[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.??.??"]
[EventDate "1981.??.??"]
[Round "?"]
[Result "1-0"]
[White "Kamran Shirazi"]
[Black "Bozidar Ivanovic"]
[ECO "A44"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "95"]

1.d4 c5 2.d5 e5 3.dxe6 fxe6 4.e4 Nc6 5.Nf3 Nge7 6.Bf4 Ng6
7.Bg3 Be7 8.Nc3 a6 9.h4 O-O 10.Qd2 d6 11.O-O-O Qa5 12.Kb1 b5
13.h5 Nge5 14.Nxe5 dxe5 15.Nd5 Bd8 16.Qxa5 Bxa5 17.Ne3 Bb7
18.h6 Rad8 19.Rxd8 Rxd8 20.hxg7 Kxg7 21.Be2 Bc7 22.Ng4 c4
23.Kc1 Rf8 24.c3 Ne7 25.Bh4 Ng6 26.Bg5 Rf7 27.Bf3 Nf4 28.Nf6
Nd3+ 29.Kb1 Kh8 30.Rh6 Bd8 31.Bh5 Rg7 32.Bh4 Bxe4 33.f3 Rxg2
34.fxe4 Rxb2+ 35.Ka1 Bxf6 36.Bxf6+ Kg8 37.Bg4 Kf7 38.Bh8 Kg8
39.Bxe5 Rc2 40.Bxe6+ Kf8 41.Bd6+ Kg7 42.Rh1 Nf2 43.Rf1 Nxe4
44.Be5+ Kg6 45.Rg1+ Kh6 46.Rh1+ Kg5 47.Rg1+ Kh4 48.Rg4+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.28"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1-0"]
[White "Lev Alburt"]
[Black "Gudmundur Sigurjonsson"]
[ECO "A29"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "121"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bc5 5.Bg2 d6 6.O-O O-O 7.d3
h6 8.e3 Re8 9.d4 Bb4 10.Nd5 e4 11.Nd2 Bxd2 12.Bxd2 Bf5 13.f3
Bh7 14.Nxf6+ Qxf6 15.fxe4 Qe7 16.Qb3 Nd8 17.e5 dxe5 18.d5 f6
19.Bb4 Qd7 20.c5 Kh8 21.e4 Nf7 22.Qe3 Qa4 23.Bc3 b6 24.b3 Qa3
25.c6 a5 26.Rf2 Qe7 27.a4 Ra7 28.Bb2 Nd6 29.Ba3 Qd8 30.Re1 Bg6
31.Qd3 Qe7 32.Bh3 Kh7 33.Qf3 Rd8 34.Be6 Bf7 35.Bxd6 Rxd6
36.Bxf7 Qxf7 37.Qf5+ Kg8 38.Ref1 Qe8 39.g4 Ra8 40.h4 Qe7 41.g5
fxg5 42.hxg5 hxg5 43.Qf7+ Qxf7 44.Rxf7 Rc8 45.Re7 Rf6 46.Rxe5
Kf7 47.Rxg5 Re8 48.e5 Rxf1+ 49.Kxf1 g6 50.Kg2 Rd8 51.d6 cxd6
52.c7 Rg8 53.exd6 Ke6 54.Rd5 Kd7 55.Kg3 g5 56.Kg4 Rg6 57.Rd1
Rg8 58.Rd4 Rg7 59.b4 Rg8 60.b5 Rg7 61.Rc4 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.28"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1-0"]
[White "Leonid Alexandrovich Shamkovich"]
[Black "Johann Hjartarson"]
[ECO "B90"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "45"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.a4 e6 7.Be2
Be7 8.O-O O-O 9.f4 Nc6 10.Be3 Qc7 11.Kh1 Re8 12.Qe1 Nd7 13.Bf3
Bf6 14.Qf2 Nb4 15.Rfd1 e5 16.Nf5 d5 17.Nxd5 Nxd5 18.Rxd5 exf4
19.Nd6 Re6 20.Bxf4 Bxb2 21.Rad1 Be5 22.Bxe5 Nxe5 23.Nb5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "Ron W Henley"]
[Black "Bent Larsen"]
[ECO "E11"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "96"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 O-O 5.a3 Bxd2+ 6.Qxd2 b6
7.g3 Bb7 8.Bg2 d6 9.O-O Nbd7 10.b3 Be4 11.Bb2 c6 12.Rac1 a5
13.a4 Qe7 14.Ba3 Rfd8 15.Rfd1 h6 16.Qe3 c5 17.Rd2 Rac8 18.Rcd1
d5 19.cxd5 Bxd5 20.dxc5 Nxc5 21.Ne1 Bxg2 22.Nxg2 Rxd2 23.Rxd2
Qb7 24.Bxc5 bxc5 25.Qd3 c4 26.bxc4 Rxc4 27.Ne3 Rxa4 28.Nc4 Qd5
29.Qb1 Qe4 30.Rd8+ Kh7 31.Qxe4+ Nxe4 32.Ne5 f6 33.Nd7 Kg6
34.Ra8 h5 35.Ra6 Kf5 36.f3 Nd2 37.Rd6 Ra2 38.Nf8 Ke5 39.Rxe6+
Kd4 40.Ng6 a4 41.Kf2 Nb3 42.Ra6 Nc5 43.Ra7 a3 44.Nf4 Ra1
45.Nxh5 a2 46.Nxg7 Kc3 47.Ne8 Kb3 48.Nxf6 Na4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "Joel Benjamin"]
[Black "Anatoly Lein"]
[ECO "B70"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "78"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 a6 7.f3
Qc7 8.g4 h6 9.h4 e5 10.Nde2 Be6 11.a4 Qc6 12.Rg1 Nbd7 13.g5
hxg5 14.hxg5 Nh5 15.a5 Bg7 16.Qd2 Rc8 17.Rh1 Ke7 18.Kf2 f5
19.gxf6+ Nhxf6 20.Rxh8 Rxh8 21.Rd1 Bf8 22.Kg1 Kf7 23.Ng3 Nh5
24.Nxh5 Rxh5 25.Nd5 Nf6 26.c4 Qc8 27.Nb6 Qe8 28.b4 Be7 29.Rc1
Nh7 30.c5 dxc5 31.Bxc5 Ng5 32.Bg2 Nh3+ 33.Bxh3 Rxh3 34.Qg2 Bh4
35.Nc4 Qh8 36.Nd6+ Kf6 37.Kf1 Bg5 38.Rd1 Rh1+ 39.Bg1 Bh3 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1-0"]
[White "Viktor Korchnoi"]
[Black "Arthur Bisguier"]
[ECO "D11"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "89"]

1.d4 d5 2.c4 c6 3.Nf3 e6 4.e3 Nf6 5.Bd3 Nbd7 6.Nbd2 Bd6 7.O-O
O-O 8.e4 dxe4 9.Nxe4 Nxe4 10.Bxe4 h6 11.Re1 e5 12.Bf5 exd4
13.Qxd4 Qf6 14.Bc2 Qxd4 15.Nxd4 Nf6 16.Bd2 Rd8 17.Bc3 Bc5
18.Rad1 Bg4 19.f3 Be6 20.b3 a5 21.Kf1 Bb4 22.Nxe6 Rxd1 23.Rxd1
fxe6 24.Bxf6 gxf6 25.Rd7 f5 26.Kf2 b6 27.Ke3 Kf8 28.Rc7 Rd8
29.Rxc6 Rd2 30.a3 Bc3 31.Bd3 Kf7 32.c5 bxc5 33.Rxc5 f4+ 34.Ke4
Bb2 35.Rxa5 Rxg2 36.a4 Rxh2 37.Rc5 e5 38.a5 Bd4 39.Rc6 h5
40.Kf5 Ke7 41.a6 Rb2 42.a7 Bxa7 43.Rc7+ Kd6 44.Rxa7 Rxb3
45.Be4 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "Nigel Rodney Davies"]
[Black "Pal Benko"]
[ECO "C65"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "124"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.c4 g6 6.Nc3 Bg7 7.O-O
O-O 8.Bxc6 bxc6 9.d4 exd4 10.Nxd4 c5 11.Nf3 Bb7 12.Re1 Re8
13.Qd3 Qe7 14.Bg5 h6 15.Nd5 Bxd5 16.exd5 Qd7 17.Bd2 Nh5
18.Rab1 Qa4 19.a3 a5 20.g3 Rxe1+ 21.Bxe1 Rb8 22.Bc3 Bxc3
23.Qxc3 Rb3 24.Qc2 Rxa3 25.b3 Ra2 26.Qe4 Qd7 27.Re1 a4 28.bxa4
Rxa4 29.Qe2 Kh7 30.Qe7 Qxe7 31.Rxe7 Kg7 32.Rxc7 Rxc4 33.Rd7
Nf6 34.Rxd6 Rc1+ 35.Kg2 Rd1 36.Ne5 Rxd5 37.Rxd5 Nxd5 38.Kf3
Nb6 39.Ke4 f5 40.Kd3 Kf6 41.f4 g5 42.h4 gxf4 43.gxf4 Ke6 44.h5
Nd7 45.Nf3 Nf6 46.Kc4 Nxh5 47.Kxc5 Nxf4 48.Kd4 Ng6 49.Ke3 Kf6
50.Nd4 Kg5 51.Kf3 h5 52.Ne6+ Kf6 53.Nc5 h4 54.Nd7+ Kg5 55.Nc5
Ne5+ 56.Kg2 Kg4 57.Ne6 h3 58.Kh2 Nf3+ 59.Kh1 Nd2 60.Kh2 Nf3+
61.Kh1 Ng5 62.Nc5 Kg3 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1/2-1/2"]
[White "Helmut Pfleger"]
[Black "Nick DeFirmian"]
[ECO "A30"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "131"]

1.c4 e6 2.Nc3 c5 3.Nf3 Nf6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.b3 d5
8.cxd5 Nxd5 9.Nxd5 Bxd5 10.Bb2 O-O 11.Rc1 Nd7 12.d4 Rc8 13.Qd2
Bf6 14.Rfd1 cxd4 15.Bxd4 Qe7 16.Bxf6 Nxf6 17.Ne5 h6 18.Bxd5
Nxd5 19.Rc4 Rxc4 20.bxc4 Nf6 21.Qd6 Qb7 22.Qc6 Qa6 23.a4 Rc8
24.Qb5 Qb7 25.Qb1 Qc7 26.Qb2 Qc5 27.e3 Qc7 28.Qb5 Qe7 29.Rd4
Rc5 30.Qb4 Qc7 31.f4 h5 32.Qd2 g6 33.Rd8+ Kg7 34.Qd4 Ra5 35.g4
Qc5 36.g5 Ng4 37.Nd7 Qxd4 38.exd4 Rxa4 39.c5 bxc5 40.dxc5 Rc4
41.h3 Rc1+ 42.Kg2 Ne3+ 43.Kf3 Nd5 44.Ke4 Rc4+ 45.Ke5 Nc3
46.Nf6 Rxc5+ 47.Kd4 Rd5+ 48.Nxd5 Nxd5 49.Ke5 a6 50.Ra8 Nb4
51.Ke4 Kh7 52.Rb8 Nd5 53.Rb7 Kg7 54.Ke5 Ne3 55.Ra7 a5 56.Ke4
Nf5 57.Rxa5 Nd6+ 58.Kd4 Nf5+ 59.Ke5 Ne3 60.Ra4 Nd5 61.Kd6 Ne3
62.Kd7 Nd5 63.Rd4 Kf8 64.Kd8 Ne3+ 65.Ra4 Nd5 66.Rc4 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "Roman Dzindzichashvili"]
[Black "Jean Hebert"]
[ECO "E60"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "70"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 O-O 5.e4 d6 6.h3 e5 7.d5 Nh5
8.Be3 f5 9.exf5 gxf5 10.Nxe5 Qe8 11.Nd3 f4 12.Be2 fxe3 13.Bxh5
exf2 14.Kf1 Qe7 15.Bf3 Qh4 16.Ne4 Bf5 17.Nexf2 Na6 18.Qd2 Qxc4
19.Kg1 Qd4 20.Rd1 Bxd3 21.Qxd3 Qxb2 22.Qd2 Qxd2 23.Rxd2 Nc5
24.h4 Rae8 25.Kh2 Re3 26.h5 Be5+ 27.Kh3 Rf5 28.Kg4 Rf4+ 29.Kh3
Ra4 30.Rc2 Rc3 31.Rhc1 Rca3 32.Ng4 b6 33.Rd1 Kf8 34.Rdd2 Ne4
35.Nxe5 Nxd2 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1-0"]
[White "Oleg Romanishin"]
[Black "John Fedorowicz"]
[ECO "A07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "107"]

1.Nf3 c5 2.g3 b6 3.Bg2 Bb7 4.O-O Nf6 5.d3 d6 6.e4 g6 7.Re1 Bg7
8.Nc3 e5 9.d4 cxd4 10.Nxd4 a6 11.Nb3 O-O 12.Be3 Qc7 13.Qd2 Re8
14.Rad1 Bf8 15.Bg5 Nbd7 16.Nc1 b5 17.Nd3 Be7 18.a3 Rad8 19.Nb4
Nb6 20.Bxf6 Bxf6 21.Qe2 Bg7 22.Ncd5 Nxd5 23.Nxd5 Qb8 24.c3 Kh8
25.Rd2 Rf8 26.Red1 f5 27.exf5 gxf5 28.Qh5 Rde8 29.Bh3 Re6
30.Bxf5 Rh6 31.Qg4 Bxd5 32.Rxd5 Rhf6 33.Be4 Qb6 34.R5d2 Rxf2
35.Rxf2 Qxf2+ 36.Kh1 Rf6 37.Qh3 h6 38.Qc8+ Rf8 39.Qg4 Qf6
40.Bg2 Rd8 41.Rf1 Qg5 42.Qe6 Rf8 43.Qxd6 Rxf1+ 44.Bxf1 Qc1
45.Qd8+ Kh7 46.Qd3+ Kg8 47.Qe2 Bf6 48.Kg2 e4 49.Kh3 Kf8 50.Bg2
e3 51.Qf3 Kf7 52.Qb7+ Be7 53.Bd5+ Ke8 54.Qc8+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1-0"]
[White "Svetozar Gligoric"]
[Black "Dimitri Gurevich"]
[ECO "A57"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "85"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 axb5 6.Bxb5 Ba6 7.Bxa6
Nxa6 8.Nc3 d6 9.Nf3 g6 10.O-O Bg7 11.e4 O-O 12.Bf4 Qb6 13.Qd2
Nc7 14.Rfe1 Rfd8 15.Bg5 Nb5 16.a4 Nxc3 17.bxc3 Qb3 18.a5 Ra7
19.Qc1 Rda8 20.Nd2 Qb5 21.c4 Qb4 22.e5 dxe5 23.Nf3 e4 24.Ne5
Rxa5 25.Rb1 Qa3 26.Nc6 Qxc1 27.Rbxc1 Ra2 28.Nxe7+ Kf8 29.Nc6
Rb2 30.Bxf6 Bxf6 31.Rxe4 Raa2 32.Rf1 Rd2 33.h4 Rac2 34.Rf4 Bd4
35.g4 Rxc4 36.d6 Rcc2 37.d7 Be3 38.Rf3 Rxd7 39.Rxe3 c4 40.Ne5
Rd4 41.Rb1 c3 42.Rb8+ Kg7 43.Rf3 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1/2-1/2"]
[White "Yasser Seirawan"]
[Black "Igor Vasilievich Ivanov"]
[ECO "D61"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "135"]

1.c4 e6 2.Nc3 d5 3.d4 Nf6 4.Bg5 Be7 5.e3 O-O 6.Qc2 Nbd7 7.Nf3
h6 8.Bh4 c5 9.cxd5 Nxd5 10.Bxe7 Qxe7 11.Nxd5 exd5 12.dxc5 Nxc5
13.Be2 Bg4 14.O-O Rac8 15.Rac1 Qf6 16.Qd2 Ne4 17.Qd4 Bxf3
18.Qxf6 Nxf6 19.Bxf3 Rc6 20.Rfd1 Rfc8 21.Rb1 Rc2 22.h3 R8c5
23.a4 g6 24.b4 Rc7 25.Bxd5 Nxd5 26.Rxd5 Ra2 27.a5 Rcc2 28.Rf1
Rab2 29.Rb5 Rc7 30.g4 Kg7 31.Kg2 Kf6 32.Kg3 Rd2 33.h4 Ke6
34.Rb1 Rd6 35.h5 g5 36.Rf5 Rc3 37.b5 Rc4 38.f4 gxf4 39.Rxf4
Rxf4 40.Kxf4 Rd5 41.b6 a6 42.Rc1 Rxa5 43.Rc7 Rb5 44.Rxb7 a5
45.e4 a4 46.Rb8 Kf6 47.b7 Kg7 48.e5 a3 49.Kf5 a2 50.Ra8 Rxb7
51.Rxa2 Rb1 52.Rf2 Re1 53.Rf3 Rg1 54.Kf4 Re1 55.Re3 Rf1+
56.Kg3 Rg1+ 57.Kh3 Rf1 58.Kg2 Rf4 59.Kg3 Ra4 60.Rf3 Ra6 61.Rf1
f6 62.exf6 Rxf6 63.Rf5 Ra6 64.Rb5 Rf6 65.Rb8 Rf7 66.Rb6 Rf6
67.Rxf6 Kxf6 68.Kf4 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1-0"]
[White "Sergey Kudrin"]
[Black "Borislav Ivkov"]
[ECO "C55"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "72"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.O-O d6 6.c3 O-O 7.Bb3
Na5 8.Bc2 c5 9.Re1 b5 10.Nbd2 Nd7 11.Nf1 Bf6 12.h3 Nb6 13.d4
cxd4 14.cxd4 Nc6 15.d5 Nb4 16.Bb1 a5 17.Qe2 Bd7 18.a3 Na6
19.Bd3 Qe8 20.a4 Nc5 21.Bxb5 Nbxa4 22.Bxd7 Qxd7 23.Ra2 Rfc8
24.Bd2 Nb3 25.Be3 Rab8 26.Ng3 Bd8 27.Nf5 Rb4 28.Nxe5 Qe8
29.Qg4 Qxe5 30.Nh6+ Kf8 31.Qxc8 Qe7 32.Rxa4 Rxa4 33.Bb6 gxh6
34.Bxd8 Qe8 35.e5 dxe5 36.d6 Qe6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1-0"]
[White "Karl Burger"]
[Black "Bozidar Ivanovic"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "77"]

1.Nf3 g6 2.c4 Bg7 3.d4 Nf6 4.Nc3 O-O 5.e4 c6 6.Bd3 d5 7.cxd5
cxd5 8.e5 Ne8 9.Qb3 Nc7 10.Be3 Nc6 11.h3 Kh8 12.a3 f6 13.exf6
exf6 14.O-O Qd6 15.Rac1 Rd8 16.Rfe1 Bd7 17.Qa2 Ne7 18.Bd2 a5
19.Re2 Bf8 20.Rce1 b5 21.Qb1 Bf5 22.Bxf5 Nxf5 23.Qd3 b4 24.Na4
bxa3 25.g4 Ng7 26.Nc5 Qc6 27.bxa3 Re8 28.Rxe8 Ncxe8 29.Rc1 Ne6
30.Kg2 Qd6 31.Nxe6 Qxe6 32.Qb5 Nd6 33.Qb6 Qd7 34.Rc7 Qe6
35.Bf4 Re8 36.Rc6 Qd7 37.Bxd6 Re6 38.Qb8 Re8 39.Qc7 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "David J Strauss"]
[Black "Larry Christiansen"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "56"]

1.Nf3 d6 2.d4 g6 3.c4 Bg7 4.Nc3 Bg4 5.e3 Nc6 6.Be2 e5 7.O-O
Nge7 8.d5 Nb8 9.e4 Bxf3 10.Bxf3 Nd7 11.b4 a5 12.bxa5 Rxa5
13.a4 O-O 14.Ba3 Ra8 15.Bb4 Bh6 16.a5 f5 17.Qb3 Kh8 18.Qa3 b6
19.Nb5 Nc5 20.Bxc5 Rxa5 21.Qc3 Rxa1 22.Rxa1 bxc5 23.exf5 Nxf5
24.Qa5 Nh4 25.Qxc7 Qg5 26.Be4 Qf4 27.Bf3 Nxf3+ 28.gxf3 Qxf3
0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1-0"]
[White "William James Lombardy"]
[Black "Vitaly F Zaltsman"]
[ECO "B31"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "90"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Nc3 e5 6.Nd5 Nge7 7.c3
O-O 8.Bc4 d6 9.d3 h6 10.a3 Kh7 11.b4 Nxd5 12.Bxd5 Ne7 13.Bb3
b6 14.Re1 f5 15.Ra2 Bb7 16.Rd2 Qc7 17.Bb2 Rad8 18.Bc2 d5 19.h4
Kh8 20.exd5 Bxd5 21.Bb3 Bxb3 22.Qxb3 Rxd3 23.Rxd3 c4 24.Rd7
Qxd7 25.Qxc4 e4 26.Nd4 Nd5 27.h5 gxh5 28.Qb5 Qxb5 29.Nxb5 a6
30.Rd1 Nf4 31.Nc7 Rc8 32.Nxa6 Nd3 33.Ba1 Bxc3 34.a4 Kg7 35.a5
bxa5 36.b5 Bxa1 37.Rxa1 Nb4 38.Nxb4 axb4 39.Rb1 Rb8 40.Rxb4
Rb6 41.Kh2 Kf6 42.Kh3 Ke5 43.g3 Kd5 44.Kh4 Kc5 45.Rb1 Kd4 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1/2-1/2"]
[White "Daniel Campora"]
[Black "Kamran Shirazi"]
[ECO "B69"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "117"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2
a6 8.O-O-O Bd7 9.f4 Be7 10.Nf3 b5 11.Bxf6 Bxf6 12.Qxd6 Be7
13.Qd2 b4 14.Na4 Nb8 15.b3 Qc7 16.Nb2 O-O 17.Bd3 a5 18.Nc4 a4
19.e5 axb3 20.cxb3 Bc6 21.Kb1 Nd7 22.Nd4 Nc5 23.Qc2 Nxd3
24.Nxc6 Nxf4 25.Nb6 Qxb6 26.Nxe7+ Kh8 27.Rhf1 Ng6 28.Nxg6+
hxg6 29.Qe4 Kg8 30.Rd4 Rxa2 31.Kxa2 Qa6+ 32.Kb2 Qxf1 33.Rxb4
Rd8 34.Rd4 Qf2+ 35.Kc3 Rc8+ 36.Rc4 Rb8 37.b4 Qa2 38.Kd3 Ra8
39.Rc2 Qb3+ 40.Ke2 Rb8 41.Rc4 Qb2+ 42.Kf3 Rd8 43.Rc2 Qa1
44.Kf2 Rd4 45.Qe3 Rh4 46.b5 Qb1 47.Rc8+ Kh7 48.b6 Rxh2 49.Kg3
Rh1 50.Rc4 g5 51.Rg4 f5 52.exf6 gxf6 53.Rd4 e5 54.Rd7+ Kg6
55.b7 e4 56.Re7 Rh4 57.Re6 Qxb7 58.Rxf6+ Kxf6 59.Qb6+ 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1/2-1/2"]
[White "John L Watson"]
[Black "Gennady Sosonko"]
[ECO "A29"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "35"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2
Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. b4 f5 11. Bb2 Bf6
12. Nd2 Rb8 13. Rc1 Bf7 14. Re1 a5 15. b5 Nd4 16. a4 Qd6
17. Ncb1 Rfd8 18. Bc3 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "Michael Wilder"]
[Black "James Tarjan"]
[ECO "E12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "94"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.Nc3 Bb4 5.Bg5 h6 6.Bxf6 Bxc3+
7.bxc3 Qxf6 8.e4 Bb7 9.Bd3 d6 10.O-O Nd7 11.Ne1 O-O 12.f4 Qe7
13.Nc2 f5 14.exf5 exf5 15.Qd2 Be4 16.Bxe4 fxe4 17.Ne3 Nf6
18.g4 Qd7 19.Qg2 d5 20.g5 Nh5 21.f5 hxg5 22.Qxg5 Nf6 23.cxd5
Nxd5 24.Ng4 Nf6 25.Ne5 Qd5 26.Rf4 c5 27.Ng6 Rfe8 28.Rh4 Kf7
29.Nf4 Qc4 30.Qg6+ Kg8 31.Ne6 Rxe6 32.fxe6 Qxe6 33.Rf1 e3
34.Qg2 Re8 35.Qh3 Qxh3 36.Rxh3 c4 37.Re1 Nd5 38.Rf3 b5 39.a3
a5 40.Kf1 Nxc3 41.Rexe3 Rxe3 42.Rxe3 b4 43.axb4 axb4 44.Rxc3
bxc3 45.Ke2 Kf7 46.Kd1 Ke6 47.Kc2 Kd6 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "Adam Kuligowski"]
[Black "Michael A Brooks"]
[ECO "A65"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "92"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Bg5 c5 7.d5 e6
8.Nge2 exd5 9.cxd5 Re8 10.Qd2 Na6 11.Ng3 Nc7 12.Be2 Rb8 13.a4
b6 14.O-O a6 15.Rab1 b5 16.axb5 axb5 17.b4 c4 18.Kh1 Ra8
19.Ra1 Bb7 20.Rxa8 Qxa8 21.Be3 Nd7 22.Bd4 Bxd4 23.Qxd4 Qa3
24.Rb1 Ra8 25.f4 Qa7 26.Qd2 Re8 27.Rf1 Qa3 28.Rb1 Qa7 29.Bf3
Bc8 30.Nge2 Nf6 31.Nd4 Qb6 32.h3 Bd7 33.Re1 Nfxd5 34.Ndxb5
Nxc3 35.Nxc3 Qxb4 36.Rb1 Qc5 37.Rd1 Nb5 38.Nd5 c3 39.Qc1 Rd8
40.f5 c2 41.Re1 Nc3 42.Nf6+ Kg7 43.Nxd7 Rxd7 44.Qxc2 Qe5
45.Qd3 Rc7 46.Rc1 Nxe4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1/2-1/2"]
[White "Boris Markovich Kogan"]
[Black "Artur Yusupov"]
[ECO "A46"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "52"]

1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e3 Qb6 5.Qc1 Ne4 6.c3 Nxg5 7.Nxg5
Be7 8.Nf3 d5 9.Bd3 Nc6 10.O-O Bd7 11.Nbd2 Rc8 12.Qb1 g6 13.h4
O-O 14.dxc5 Bxc5 15.e4 Qc7 16.Nb3 Bb6 17.exd5 exd5 18.Qc1 Ne5
19.Nxe5 Qxe5 20.Qg5 Qxg5 21.hxg5 Rce8 22.Rfe1 f6 23.gxf6 Rxf6
24.Rxe8+ Bxe8 25.Rf1 g5 26.Nd4 Bxd4 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1/2-1/2"]
[White "Victor J Frias Pablaza"]
[Black "Hans Ree"]
[ECO "B83"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "101"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Be7 7.O-O
O-O 8.f4 a6 9.Be3 Nc6 10.Kh1 Bd7 11.a4 Rc8 12.Qe1 Nb4 13.Rd1
Qe8 14.Qg3 Rxc3 15.bxc3 Nxe4 16.Qf3 Nxc3 17.Qxb7 Nxd1 18.Bxd1
Nd5 19.Bd2 Qc8 20.Qb3 Qc5 21.Qd3 Rc8 22.a5 Bf6 23.Nb3 Qb5
24.Be2 Qxd3 25.Bxd3 Nc7 26.Bb4 Be7 27.Nd2 Rb8 28.c3 Bb5
29.Bxb5 Rxb5 30.Nc4 Rd5 31.Kg1 f5 32.Kf2 Kf7 33.Ke2 Ne8 34.Rb1
Rb5 35.Rd1 Kf8 36.Nb6 Nf6 37.Bxd6 Nd5 38.Be5 Rxa5 39.Nxd5 exd5
40.Kd3 Ra2 41.Rb1 Rxg2 42.Rb8+ Kf7 43.Rb7 Rg1 44.Ra7 Re1
45.Rxa6 Re4 46.Ra5 g5 47.Rxd5 gxf4 48.Bc7 Ke6 49.Rd4 f3 50.Bg3
Rxd4+ 51.Kxd4 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1-0"]
[White "John A Grefe"]
[Black "Yehuda Gruenfeld"]
[ECO "B22"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "85"]

1.e4 c5 2.c3 b6 3.d4 Bb7 4.Nd2 cxd4 5.cxd4 g6 6.Bd3 Bg7 7.Ne2
Nc6 8.Nf3 Nb4 9.Bb1 Nf6 10.Nc3 O-O 11.a3 Na6 12.O-O Rc8 13.Be3
d5 14.e5 Ng4 15.Bd2 f6 16.exf6 exf6 17.Bd3 Nc7 18.Qb3 Kh8
19.a4 Ne6 20.h3 Nh6 21.a5 Nf7 22.axb6 axb6 23.Ra7 Rb8 24.Re1
Re8 25.Na4 Nd6 26.Qxb6 Qxb6 27.Nxb6 Bc6 28.Ba5 f5 29.Nd7 Rxb2
30.Ra6 Bxd7 31.Rxd6 Nf8 32.Rxe8 Bxe8 33.Rd8 Bb5 34.Rb8 Bxd3
35.Rxb2 Kg8 36.Rb8 Be4 37.Ng5 h6 38.Ne6 Kf7 39.Nxg7 Kxg7
40.Rd8 Ne6 41.Rd7+ Kf8 42.Bb4+ Kg8 43.f3 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "Lev Gutman"]
[Black "Jay E Whitehead"]
[ECO "E27"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "146"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 6.f3 Nh5
7.Nh3 f5 8.Qc2 Nc6 9.e4 d6 10.Bg5 Qe8 11.Bd3 h6 12.Bc1 e5
13.d5 Ne7 14.exf5 Bxf5 15.Bxf5 Nxf5 16.O-O Ne7 17.g4 Qd7
18.Kg2 Nf4+ 19.Bxf4 exf4 20.a4 g5 21.Rfe1 Rf6 22.Qb3 b6 23.Qb5
Rd8 24.Nf2 Ng6 25.Nd3 Qh7 26.c5 dxc5 27.Re8+ Rxe8 28.Qxe8+ Rf8
29.Qe6+ Qf7 30.Re1 Qxe6 31.Rxe6 Kg7 32.c4 Rd8 33.a5 Rd6 34.Re8
c6 35.Ra8 Rd7 36.dxc6 Rc7 37.a6 Kf6 38.Rb8 Rxc6 39.Rb7 Rd6
40.Nf2 Rd2 41.Rxa7 Ra2 42.Ra8 Nh4+ 43.Kf1 Nxf3 44.a7 Kg7
45.Ne4 Nxh2+ 46.Ke1 Nxg4 47.Nc3 Ra1+ 48.Ke2 Ne5 49.Re8 f3+
50.Kf2 Nd3+ 51.Kxf3 Rxa7 52.Nd5 Rb7 53.Kg4 Nb4 54.Ne3 Kf7
55.Rh8 Re7 56.Nf5 Re4+ 57.Kh5 Kf6 58.Rf8+ Ke5 59.Kxh6 Rxc4
60.Kxg5 Rc1 61.Re8+ Kd5 62.Rd8+ Kc6 63.Kf6 Nd5+ 64.Kf7 Nc7
65.Rd6+ Kb5 66.Ke7 Rf1 67.Ng3 Rf3 68.Rg6 c4 69.Kd6 Na6 70.Ke5
c3 71.Nf5 Rxf5+ 72.Kxf5 c2 73.Rg1 Nc5 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1-0"]
[White "Vladimir Mikhailovich Liberzon"]
[Black "Robert M Sulman"]
[ECO "C03"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "57"]

1.e4 e6 2.d4 d5 3.Nd2 b6 4.Ngf3 Nf6 5.e5 Ne4 6.Nxe4 dxe4 7.Ng5
Bb7 8.Bb5+ Nd7 9.Qg4 a6 10.Be2 Qe7 11.Nxe4 O-O-O 12.Bf3 Kb8
13.O-O f5 14.exf6 gxf6 15.Nc3 f5 16.Qf4 Rg8 17.Bxb7 Kxb7
18.Qf3+ c6 19.Bf4 Qb4 20.Qe3 Qxb2 21.Rab1 Qa3 22.Qxe6 Rg4
23.Rb3 Qa5 24.d5 cxd5 25.Nxd5 Rg6 26.Qxf5 Rf6 27.Qe4 Nc5
28.Qe5 Bd6 29.Qxf6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "Vincent McCambridge"]
[Black "Ivars Dahlberg"]
[ECO "A08"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "38"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 c5 5.g3 Nc6 6.Bg2 Be7 7.O-O
Qc7 8.Re1 b6 9.Qe2 Ba6 10.e5 Nd7 11.c4 Nf8 12.Nf1 h6 13.Ne3
O-O-O 14.a3 g5 15.b4 dxc4 16.dxc4 Nd4 17.Qb2 Ng6 18.Nxd4 cxd4
19.Nc2 Nxe5 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1/2-1/2"]
[White "John A Peters"]
[Black "Douglas Root"]
[ECO "C05"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "89"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.f4 c5 6.c3 Nc6 7.Ndf3
Qb6 8.g3 cxd4 9.cxd4 Bb4+ 10.Kf2 f5 11.Ne2 a5 12.Nc3 Qd8
13.Bd2 a4 14.Nb5 O-O 15.Bxb4 Nxb4 16.Qd2 Nc6 17.Bd3 Nb6
18.Rac1 Bd7 19.Rc5 Na5 20.Nd6 Nbc4 21.Bxc4 Nxc4 22.Nxc4 dxc4
23.d5 Qb6 24.Qd4 a3 25.Rb1 exd5 26.Rxd5 Qxd4+ 27.Rxd4 Bc6
28.Nd2 b5 29.Rd6 Rfd8 30.Nxc4 Be4 31.Rbd1 Rxd6 32.Nxd6 Bc2
33.Re1 axb2 34.e6 b1=Q 35.e7 Qxe1+ 36.Kxe1 b4 37.e8=Q+ Rxe8+
38.Nxe8 Bb1 39.Kd2 Bxa2 40.Nd6 Be6 41.Nb5 Kf7 42.Nd4 g6 43.Nc6
b3 44.Kc3 Bd5 45.Nd4 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "1-0"]
[White "Samuel Reshevsky"]
[Black "Joseph M Bradford"]
[ECO "A31"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "153"]

1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 b6 5.f3 Bb7 6.e4 d6 7.Be2
Nbd7 8.O-O a6 9.Nc3 e6 10.Bg5 Be7 11.Qd2 O-O 12.Rfe1 Rc8
13.Rac1 Re8 14.Bf1 Ne5 15.b3 h6 16.Be3 Bf8 17.Nc2 Qc7 18.Bd4
Nfd7 19.Qf2 Ba8 20.Na4 Nc5 21.Nb2 Qb7 22.Nb4 Be7 23.N4d3 Ng6
24.Red1 Nd7 25.Rc2 Bg5 26.Be3 Bxe3 27.Qxe3 d5 28.exd5 exd5
29.Qf2 dxc4 30.Nxc4 b5 31.Nd6 Rxc2 32.Qxc2 Qb6+ 33.Nf2 Rd8
34.Nf5 Ndf8 35.Rxd8 Qxd8 36.Qc5 Qg5 37.b4 Bb7 38.Nd6 Qxc5
39.bxc5 Bd5 40.Nd3 a5 41.a3 Bc6 42.Nc1 Ne6 43.Nb3 b4 44.axb4
axb4 45.Bb5 Ne7 46.Kf2 Kf8 47.Bxc6 Nxc6 48.Ke3 Ke7 49.Nf5+ Kf6
50.Ke4 Nc7 51.Nfd4 Ne7 52.Nc2 Ned5 53.Kd4 h5 54.Kc4 Ke5 55.Nc1
h4 56.Nd3+ Ke6 57.h3 f5 58.Ndxb4 Nf4 59.Ne3 Ng6 60.c6 Ne7
61.Kc5 Nc8 62.Nbd5 Na6+ 63.Kb5 Nb8 64.c7 Nd6+ 65.Kc5 Nd7+
66.Kd4 Nb5+ 67.Kc4 Nd6+ 68.Kd3 g6 69.Nc4 Nc8 70.Kd4 g5 71.Nce3
Nf8 72.f4 gxf4 73.Nxf4+ Kf6 74.Kd5 Nd7 75.Nc4 Na7 76.Ne6 f4
77.Kd6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "Andrew Soltis"]
[Black "John William Donaldson"]
[ECO "B34"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "86"]

1.e4 c5 2.Nc3 Nc6 3.Nge2 g6 4.d4 cxd4 5.Nxd4 Bg7 6.Nde2 Nf6
7.g3 O-O 8.Bg2 d6 9.O-O Bd7 10.h3 Rb8 11.a4 a6 12.Nd5 b5
13.axb5 axb5 14.Bg5 Nxd5 15.exd5 Ne5 16.Nd4 h6 17.Bc1 Qb6
18.c3 b4 19.Kh1 Rfc8 20.f4 Nc4 21.Ra2 bxc3 22.bxc3 Bxd4
23.cxd4 Qb3 24.Ra7 Qxd1 25.Rxd1 Nb6 26.f5 g5 27.f6 exf6 28.Ba3
Ra8 29.Rxa8 Rxa8 30.Bxd6 Nc4 31.Be7 Ne3 32.Rd2 g4 33.h4 Nf5
34.Bxf6 Nxg3+ 35.Kh2 Nh5 36.Be5 f6 37.Bd6 Ra6 38.Bc7 Ra3
39.Bf1 f5 40.Rd3 Ra1 41.Kg2 Bb5 42.d6 Nf4+ 43.Kg3 Nxd3 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "Ian Duncan Wells"]
[Black "Peter Biyiasas"]
[ECO "C69"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "102"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 exd4
7.Nxd4 c5 8.Nb3 Qxd1 9.Rxd1 Bg4 10.f3 Be6 11.Be3 b6 12.Nc3 Bd6
13.a4 Kf7 14.a5 c4 15.Nd4 b5 16.Nd5 Bxd5 17.exd5 Ne7 18.Bf2
Rhd8 19.f4 Rd7 20.Ne2 Re8 21.Kf1 h5 22.g3 Nf5 23.Nd4 Nxd4
24.Rxd4 Red8 25.Rd2 Bb4 26.c3 Bf8 27.Rad1 Re8 28.Kg2 Bd6
29.Kf3 Rde7 30.Bd4 Re1 31.Bf2 Rxd1 32.Rxd1 g5 33.fxg5 fxg5
34.Bd4 g4+ 35.Kf2 Kg6 36.Rd2 Rf8+ 37.Kg2 Rf3 38.Re2 Rd3
39.Re6+ Kf5 40.Re2 b4 41.Kf1 Rd1+ 42.Kg2 b3 43.Kf2 h4 44.gxh4
Rh1 45.h5 Rxh2+ 46.Kf1 g3 47.Bg1 Rxh5 48.Re8 Kf4 49.Kg2 Re5
50.Re6 Rxd5 51.Bd4 Rxa5 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.29"]
[EventDate "1981.??.??"]
[Round "1"]
[Result "0-1"]
[White "Perry Youngworth"]
[Black "Jon Loftur Arnason"]
[ECO "A64"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "100"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3
Bg7 8.Bg2 O-O 9.O-O Re8 10.Nd2 a6 11.a4 Nbd7 12.h3 Nh5 13.e4
Ne5 14.Qc2 f5 15.exf5 gxf5 16.Qd1 Nf6 17.Nf3 Ng6 18.Ng5 Rb8
19.Re1 Rxe1+ 20.Qxe1 Ne5 21.f4 Nd3 22.Qe2 c4 23.Ne6 Qe7 24.g4
b5 25.axb5 axb5 26.Be3 Bxe6 27.dxe6 Qxe6 28.g5 Ne4 29.Nxe4
fxe4 30.Ra7 d5 31.Qh5 Qg6 32.Qg4 d4 33.f5 Qb6 34.Rxg7+ Kxg7
35.f6+ Kh8 36.Qd7 Qb7 37.Qxd4 Qf7 38.Bxe4 Nb4 39.Qd6 Re8
40.Bf5 Rxe3 41.Qxb4 Rg3+ 42.Kh2 Rxg5 43.Qxb5 Qxf6 44.Qb8+ Rg8
45.Qb5 Qd4 46.Bg4 Qf4+ 47.Kh1 Rb8 48.Qc5 Qf1+ 49.Kh2 Rxb2+
50.Kg3 Rg2+ 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Bent Larsen"]
[Black "Vladimir Mikhailovich Liberzon"]
[ECO "A21"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "57"]

1.c4 e5 2.g3 Nc6 3.Bg2 d6 4.Nc3 Be6 5.d3 Qd7 6.a3 g6 7.b4 Bg7
8.Bb2 Nge7 9.h4 h6 10.b5 Nd8 11.a4 O-O 12.e3 a6 13.Nge2 axb5
14.axb5 Rxa1 15.Qxa1 d5 16.cxd5 Nxd5 17.O-O Nxc3 18.Nxc3 f5
19.Rc1 b6 20.Qa8 Nf7 21.Qc6 Rd8 22.Ne2 Kh7 23.d4 Nd6 24.dxe5
Nxb5 25.Nf4 Qxc6 26.Bxc6 Bd7 27.Rd1 Nd6 28.exd6 Bxc6 29.Bxg7
1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Peter Biyiasas"]
[Black "Lev Alburt"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "67"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 Nc6 4.d4 e6 5.O-O Be7 6.c3 Ne4 7.Nbd2
f5 8.Ne1 O-O 9.Nd3 a5 10.f3 Nxd2 11.Bxd2 b6 12.Re1 Ba6 13.Nf4
Qd7 14.e4 g5 15.exd5 Nxd4 16.Nh3 Nb5 17.dxe6 Qd8 18.Bxg5 Bxg5
19.Nxg5 Qe7 20.f4 Rad8 21.Qe2 c6 22.Nf7 Rde8 23.Qe5 Qc5+
24.Qxc5 bxc5 25.Bxc6 Re7 26.Rad1 Kg7 27.Re5 Na7 28.Bd7 Rb8
29.Rd2 Nc8 30.Rxf5 Nb6 31.Ne5+ Bb7 32.Rg5+ Kf8 33.c4 Rd8 34.f5
1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Bozidar Ivanovic"]
[Black "Joel Benjamin"]
[ECO "B17"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "63"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6
7.Ne5 Be6 8.Be2 g6 9.O-O Bg7 10.c4 O-O 11.Be3 Qc7 12.Qa4 Rfd8
13.f4 Ne8 14.Rac1 Bf5 15.Qa3 a6 16.Rfe1 Rac8 17.h3 Nd6 18.g4
Be4 19.Bf2 Bh6 20.Qe3 Re8 21.c5 Bd5 22.Bf3 Bxa2 23.Qa3 Bxf4
24.Qxa2 Bxe5 25.dxe5 Nb5 26.Rcd1 Red8 27.Qc4 Rxd1 28.Bxd1 Rd8
29.Qf4 Qa5 30.Bb3 e6 31.Rf1 Qd2 32.Be3 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "0-1"]
[White "Arthur Bisguier"]
[Black "Nigel Rodney Davies"]
[ECO "D02"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "90"]

1.d4 d5 2.Nf3 Nc6 3.Bf4 Bg4 4.Nbd2 e6 5.c3 Bd6 6.Bg3 Nf6 7.Qb3
Rb8 8.e3 O-O 9.Bd3 Qe7 10.Bh4 Bh5 11.O-O Bg6 12.Bxg6 hxg6
13.e4 dxe4 14.Nxe4 Qd8 15.Rad1 Be7 16.Neg5 Qe8 17.Rfe1 Na5
18.Qc2 Nc4 19.Bg3 Nd6 20.c4 Rc8 21.Qb3 b5 22.c5 Nc4 23.Qc2 Nd5
24.b3 Na5 25.Qe4 Nc6 26.Qh4 Nf6 27.d5 exd5 28.Be5 Nh5 29.Bb2
Nd8 30.Qh3 f5 31.Rxd5 Bxg5 32.Rxe8 Rxe8 33.Rxf5 gxf5 34.Qxh5
Ne6 35.g4 Nf4 36.Qxg5 Nh3+ 37.Kg2 Nxg5 38.Nxg5 fxg4 39.Bd4
Rcd8 40.Be3 Rd5 41.h4 gxh3+ 42.Nxh3 Rxe3 43.fxe3 Rxc5 44.Kf3
Rc2 45.Ng5 Rxa2 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "0-1"]
[White "Nick DeFirmian"]
[Black "Yasser Seirawan"]
[ECO "B18"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "76"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nf3 Nd7
7.Bd3 Ngf6 8.Bxg6 hxg6 9.Qe2 e6 10.Bd2 c5 11.O-O-O Qc7 12.Kb1
Be7 13.Bg5 cxd4 14.Rxd4 Nb6 15.Ne4 Rc8 16.h4 Nc4 17.Rhd1 e5
18.R4d3 O-O 19.Bc1 Rfe8 20.Nfg5 Nh5 21.g3 Qc6 22.Nc3 f6 23.g4
Nf4 24.Bxf4 exf4 25.Qe6+ Qxe6 26.Nxe6 Ne5 27.Rd5 f3 28.Nd4 Bb4
29.Ncb5 a6 30.a3 Bf8 31.Nd6 Rcd8 32.Nxe8 Rxd5 33.Nc7 Rd7
34.Nce6 Be7 35.Rg1 Kf7 36.c3 Nd3 37.Rg3 Nxf2 38.g5 Ne4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Dimitri Gurevich"]
[Black "Roman Dzindzichashvili"]
[ECO "E41"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "83"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Ne2 cxd4 7.exd4
d5 8.a3 dxc4 9.Bxc4 Be7 10.O-O O-O 11.Ba2 b6 12.Qd3 Bb7 13.Rd1
Re8 14.Qh3 Bf8 15.Bg5 h6 16.d5 exd5 17.Bxd5 hxg5 18.Bxc6 Bxc6
19.Rxd8 Raxd8 20.Qg3 Rd2 21.Qc7 Ba8 22.b4 Bd6 23.Qxa7 Be5
24.Rc1 Bxc3 25.Nxc3 Rc2 26.Rd1 Rxc3 27.h3 b5 28.a4 bxa4
29.Qxa4 Kh7 30.b5 Kg6 31.Rd6 Re1+ 32.Kh2 Be4 33.b6 Rcc1 34.Qd4
Kh5 35.f3 Red1 36.Qxd1 Rxd1 37.Rxd1 Bb7 38.Rd8 Kg6 39.Rb8 Bd5
40.Rf8 Nd7 41.Rd8 Nxb6 42.Rd6+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1/2-1/2"]
[White "John Fedorowicz"]
[Black "Vincent McCambridge"]
[ECO "B90"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "63"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.Qf3
Nc6 8.O-O-O Bd7 9.Qg3 Qb8 10.f4 b5 11.e5 dxe5 12.Nxc6 Bxc6
13.fxe5 b4 14.exf6 bxc3 15.b3 gxf6 16.Bd4 Ba3+ 17.Kb1 Qxg3
18.hxg3 Ke7 19.Bxc3 Rhg8 20.Rd3 Be4 21.Rd4 Rxg3 22.Rxe4 Rxc3
23.Ra4 Bd6 24.Rxa6 Rxa6 25.Bxa6 Rg3 26.Bb7 Ba3 27.Bf3 e5
28.Re1 Ke6 29.Re3 Rg8 30.c4 f5 31.Bd5+ Kf6 32.Re2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "0-1"]
[White "Igor Vasilievich Ivanov"]
[Black "Helmut Pfleger"]
[ECO "B07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "46"]

1.e4 d6 2.d4 Nf6 3.Bd3 e5 4.c3 Nc6 5.Nf3 g6 6.Bg5 Bg7 7.O-O
O-O 8.Nbd2 h6 9.Bh4 g5 10.Bg3 g4 11.Nh4 exd4 12.cxd4 Nxd4
13.Nb3 Nc6 14.Nf5 Bxf5 15.exf5 Ne5 16.Be2 Re8 17.Na5 Qd7
18.Nxb7 Rab8 19.Na5 Rxb2 20.Bd3 Nxd3 21.Qxd3 Qb5 22.Nc4 Rb4
23.Rac1 Re4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1/2-1/2"]
[White "Borislav Ivkov"]
[Black "Michael Wilder"]
[ECO "A57"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "61"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 g6 6.Nc3 Bg7 7.a4 O-O
8.e4 d6 9.Nf3 e6 10.dxe6 fxe6 11.e5 Ng4 12.Qxd6 Nxe5 13.Qxd8
Nxf3+ 14.gxf3 Rxd8 15.Ne4 Nd7 16.Ra3 Ne5 17.f4 Bb7 18.Bg2 Nc4
19.Nf6+ Bxf6 20.Bxb7 Nxa3 21.bxa3 axb5 22.Bxa8 Rxa8 23.axb5
Ra5 24.Ke2 Rxb5 25.Rd1 Bd4 26.Be3 Bxe3 27.fxe3 Kf7 28.Rd7+ Kf6
29.Rxh7 Ra5 30.Rc7 Rxa3 31.Rxc5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1/2-1/2"]
[White "Anatoly Lein"]
[Black "Karl Burger"]
[ECO "E12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "39"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.a3 Ba6 5.b3 d5 6.cxd5 exd5 7.g3
Bd6 8.Bg2 Nbd7 9.Nc3 c6 10.Nh4 g6 11.O-O O-O 12.Re1 Re8 13.e4
dxe4 14.Nxe4 Nxe4 15.Bxe4 Bb7 16.Ra2 Be7 17.Ng2 Nf6 18.Bf3 Nd5
19.Qd3 Bf6 20.Rxe8+ 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "0-1"]
[White "Ivars Dahlberg"]
[Black "Viktor Korchnoi"]
[ECO "E11"]
[WhiteElo "2480"]
[BlackElo "2650"]
[PlyCount "44"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 c5 5. a3 Bxd2+ 6. Qxd2
b6 7. e3 Bb7 8. Be2 Nc6 9. O-O O-O 10. b3 Ne4 11. Qc2 f5
12. Rd1 Ne7 13. dxc5 bxc5 14. Bb2 d6 15. Nd2 Ng6 16. Bf3 Nh4
17. Bxe4 fxe4 18. Nxe4 Nxg2 19. Qc3 Qe7 20. Nxd6 Bf3 21. Rd2
Nh4 22. Qe5 Be2 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1/2-1/2"]
[White "James Tarjan"]
[Black "Sergey Kudrin"]
[ECO "C92"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "202"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3
d6 8.c3 O-O 9.h3 Bb7 10.d4 Re8 11.Nbd2 Bf8 12.Bc2 Nb8 13.b3
Nbd7 14.d5 c6 15.c4 g6 16.Nf1 cxd5 17.cxd5 Bg7 18.Be3 Rc8
19.a4 Qc7 20.Re2 Nc5 21.Ng3 Ra8 22.a5 Rac8 23.b4 Ncd7 24.Ra3
Qd8 25.Qd2 Qe7 26.Re1 Kh8 27.Bb1 Rc7 28.Rf1 Ng8 29.Bd3 Qf8
30.Rc1 Rxc1+ 31.Qxc1 Rc8 32.Rc3 h6 33.Ne2 Rxc3 34.Nxc3 Qc8
35.Nxb5 Qxc1+ 36.Bxc1 axb5 37.Bxb5 Nb8 38.Be3 Na6 39.Bd2 Nc7
40.Bc4 Ba6 41.Bxa6 Nxa6 42.b5 Nc7 43.b6 Na6 44.Be3 Nf6 45.Nd2
Kg8 46.Kf1 Kf8 47.Ke2 Ke7 48.Kd3 Kd7 49.Kc4 Kc8 50.Kb5 Kb7
51.f3 Bf8 52.Nc4 Ne8 53.Bc1 f5 54.Ba3 fxe4 55.fxe4 h5 56.Nxe5
dxe5 57.Bxf8 Nf6 58.Bd6 Nd7 59.Be7 Nab8 60.Ba3 Na6 61.Bd6 Nf6
62.Bxe5 Nxe4 63.h4 Nec5 64.Kc4 Ne4 65.d6 Nec5 66.Kd5 Nd7
67.Bd4 Nab8 68.Ke6 Ka6 69.Bc3 Nc5+ 70.Kf7 Ne4 71.Be1 g5 72.Ke7
gxh4 73.d7 Nc6+ 74.Ke6 Kb7 75.Bxh4 Nc5+ 76.Kd6 Nxd7 77.Kxd7
Nxa5 78.Bf2 Nc6 79.Ke6 Nb4 80.Kf5 Nd3 81.Be3 Ne1 82.g3 Nf3
83.Kf4 Nh2 84.Bf2 Nf1 85.Kf3 Kc6 86.Be3 Kb7 87.Kf2 Nh2 88.Kg2
Ng4 89.Bd4 Kc6 90.Kh3 Nh6 91.Bg1 Nf5 92.Kg2 Nd6 93.Kf3 Nc4
94.Ke2 Nxb6 95.Bxb6 Kxb6 96.Kf3 Kc6 97.Kf4 h4 98.g4 Kd6 99.g5
Ke6 100.Kg4 h3 101.Kxh3 Kf5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Larry Christiansen"]
[Black "John A Grefe"]
[ECO "E10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "75"]

1.d4 Nf6 2.Nf3 e6 3.c4 c5 4.d5 exd5 5.cxd5 g6 6.Nc3 Bg7 7.Bf4
d6 8.Qa4+ Bd7 9.Qb3 Qc7 10.e4 Nh5 11.Be3 O-O 12.Be2 a6 13.a4
Bg4 14.h3 Bxf3 15.Bxf3 c4 16.Qb4 Nd7 17.Bxh5 gxh5 18.O-O Rfe8
19.Bf4 Ne5 20.Bxe5 Bxe5 21.Ne2 Bg7 22.Ng3 h4 23.Nf5 Rxe4
24.Rae1 Rae8 25.Rxe4 Rxe4 26.Re1 Qc5 27.Qd2 Rxe1+ 28.Qxe1 Be5
29.Qe4 b5 30.Qxh4 Qc7 31.axb5 axb5 32.Qg5+ Kf8 33.Qh6+ Kg8
34.Qd2 Kf8 35.g3 Bg7 36.Qb4 c3 37.bxc3 Bxc3 38.Qxb5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "0-1"]
[White "Jon Loftur Arnason"]
[Black "Oleg Romanishin"]
[ECO "B46"]
[WhiteElo "2450"]
[BlackElo "2595"]
[PlyCount "66"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2
Nge7 7. Nb3 Ng6 8. O-O Be7 9. Be3 O-O 10. f4 b5 11. Bd3 Nb4
12. Qh5 Nxd3 13. cxd3 f5 14. Nd4 Bc5 15. exf5 Bxd4 16. Bxd4
Rxf5 17. Qg4 Bb7 18. a3 Qc7 19. Be3 Raf8 20. Ne2 Qd6 21. Rad1
Qd5 22. Rf2 e5 23. Ng3 Rxf4 24. Bxf4 exf4 25. Ne4 Ne5 26. Qh5
Qd4 27. Qe2 f3 28. gxf3 Rxf3 29. Rd2 Re3 30. Qh5 Re1+ 31. Kg2
Bxe4+ 32. dxe4 Qxe4+ 33. Rf3 Nxf3 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1/2-1/2"]
[White "Brooks"]
[Black "Leonid Alexandrovich Shamkovich"]
[ECO "B81"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "81"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 h6 7.g5
hxg5 8.Bxg5 Nc6 9.Qd2 a6 10.O-O-O Bd7 11.Bg2 Qb6 12.Nb3 Qc7
13.f4 O-O-O 14.h4 Be7 15.Rhe1 Ne8 16.Bxe7 Nxe7 17.Rh1 e5 18.f5
Bc6 19.Rh3 Nf6 20.Qg5 Nh5 21.Bf3 Nf4 22.Rh2 Rh7 23.f6 gxf6
24.Qxf6 Kb8 25.h5 Ng8 26.Qh4 f6 27.Ne2 Nxe2+ 28.Bxe2 Qb6
29.Nd2 Qe3 30.Kb1 Rc7 31.Qh3 Qxh3 32.Rxh3 Nh6 33.Rg1 Rh7
34.Rhg3 Kc7 35.Rg7+ Rd7 36.Rxh7 Rxh7 37.Rf1 Ng8 38.Bc4 Ne7
39.Rxf6 Rxh5 40.b3 Rh2 41.Kc1 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Kamran Shirazi"]
[Black "John A Peters"]
[ECO "B15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "59"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 6.Bc4 Nd7
7.Ne2 Bd6 8.Bf4 Nb6 9.Bb3 O-O 10.O-O Bg4 11.f3 Be6 12.Bxe6
fxe6 13.c3 Re8 14.Qb3 Qc7 15.Bxd6 Qxd6 16.Ng3 Nd7 17.Rfe1 b6
18.Rad1 Nf8 19.Ne4 Qc7 20.c4 Rad8 21.Qe3 Ng6 22.b4 f5 23.Ng5
e5 24.d5 Nf4 25.g3 Nxd5 26.cxd5 cxd5 27.Qb3 Qd7 28.Re2 Kh8
29.f4 exf4 30.Rxd5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Gennady Sosonko"]
[Black "Boris Markovich Kogan"]
[ECO "D15"]
[WhiteElo "2595"]
[BlackElo "2430"]
[PlyCount "69"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. Qb3 e6 6. g3 dxc4
7. Qxc4 b5 8. Qd3 c5 9. Bg2 Bb7 10. O-O Nbd7 11. Rd1 c4
12. Qc2 b4 13. Nb1 Rc8 14. Bg5 Be7 15. Ne5 Bxg2 16. Kxg2 O-O
17. a3 c3 18. bxc3 bxc3 19. Nxc3 Qc7 20. Nxd7 Qxd7 21. Bxf6
gxf6 22. Rd3 Rc7 23. Qd2 Rfc8 24. d5 f5 25. Rb1 Bxa3 26. dxe6
Qxe6 27. Nd5 Bc1 28. Rxc1 Rxc1 29. Re3 Qc6 30. f3 Qc5 31. Ne7+
Kf8 32. Nxc8 Qxc8 33. Rd3 Qc6 34. Rd6 Qc3 35. Rd8+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "0-1"]
[White "Vitaly F Zaltsman"]
[Black "Andrew Soltis"]
[ECO "E62"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "72"]

1.d4 g6 2.Nf3 Bg7 3.g3 Nf6 4.Bg2 O-O 5.O-O d6 6.c4 c6 7.Nc3
Qa5 8.h3 Nbd7 9.e4 e5 10.Be3 Nb6 11.Nd2 exd4 12.Bxd4 Be6
13.Nb3 Qb4 14.e5 dxe5 15.Bc5 Qxc4 16.Bxf8 Rxf8 17.Re1 Nfd5
18.Ne4 Na4 19.Rc1 Qb4 20.Nec5 Nxc5 21.Nxc5 Bc8 22.Qc2 f5 23.a3
Qb6 24.b4 e4 25.Bf1 Kh8 26.Qb3 Qd8 27.b5 Qd6 28.bxc6 bxc6
29.Red1 Qe5 30.Bc4 e3 31.Bxd5 exf2 32.Kxf2 cxd5 33.Rxd5 Qf6
34.Nd7 Bxd7 35.Rxd7 f4 36.Kg1 Qf5 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1/2-1/2"]
[White "Jean Hebert"]
[Black "Svetozar Gligoric"]
[ECO "A00"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "91"]

1.g3 d5 2.Bg2 Nf6 3.d3 e5 4.c4 Be7 5.cxd5 Nxd5 6.Nc3 Nb6 7.a4
a5 8.Be3 O-O 9.Rc1 Nc6 10.Nf3 f5 11.Qb3+ Kh8 12.O-O f4 13.Bxb6
cxb6 14.Nb5 Bc5 15.Nd2 Bg4 16.Qd1 Qd7 17.Ne4 Bb4 18.Nd2 Rae8
19.Nf3 Bc5 20.Kh1 Rf6 21.Nc3 Rh6 22.Ne4 Bxf3 23.exf3 Bd4
24.Qb3 Rf8 25.h4 Qd8 26.Bh3 Qe7 27.Kg2 Nb4 28.Ng5 Bc5 29.Rce1
Rd6 30.Ne6 fxg3 31.fxg3 Rxd3 32.Qc4 Rd2+ 33.Re2 Rxe2+ 34.Qxe2
Re8 35.Qxe5 Nc6 36.Qe4 Qf6 37.Qd5 Qxb2+ 38.Kh1 Qe5 39.Qd7 Rb8
40.Ng5 Qxg3 41.Nf7+ Kg8 42.Qe6 Qg6 43.Nh6+ Kh8 44.Nf7+ Kg8
45.Nh6+ Kh8 46.Nf7+ 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Johann Hjartarson"]
[Black "Adam Kuligowski"]
[ECO "A13"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "87"]

1.c4 Nf6 2.Nf3 e6 3.g3 a6 4.Bg2 b5 5.b3 Bb7 6.Na3 b4 7.Nc2 c5
8.a3 a5 9.O-O Be7 10.Bb2 O-O 11.d3 d5 12.axb4 axb4 13.Rxa8
Bxa8 14.Qa1 Nc6 15.cxd5 exd5 16.Ne3 Na5 17.Qa2 d4 18.Nf5 Bd5
19.e4 dxe3 20.Nxe7+ Qxe7 21.Qxa5 exf2+ 22.Rxf2 Ng4 23.Ne5 Nxf2
24.Bxd5 Nh3+ 25.Kg2 Ng5 26.Qb6 Rd8 27.Bc4 Ra8 28.h4 Ne6
29.Bxe6 fxe6 30.Qc6 Rd8 31.Qe4 Qd6 32.Qg4 Ra8 33.Nc4 Qe7 34.h5
h6 35.Kh3 Rf8 36.Nd2 Rf5 37.Ne4 Qf7 38.Kg2 Kh7 39.Nd6 Rf2+
40.Kh3 Qe7 41.Qg6+ Kg8 42.Be5 Kf8 43.Qh7 Qg5 44.Qh8+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Artur Yusupov"]
[Black "Victor J Frias Pablaza"]
[ECO "E16"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "101"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ 6.Bd2 Be7 7.Nc3
c5 8.d5 exd5 9.Nh4 Ne4 10.Nf5 Nxd2 11.Qxd2 O-O 12.Nxd5 Bxd5
13.Qxd5 Nc6 14.O-O-O Bg5+ 15.f4 Bf6 16.Qxd7 Nd4 17.Qxd8 Raxd8
18.Nxd4 cxd4 19.Rhe1 Rfe8 20.Bc6 Re6 21.Bd5 Re3 22.Rd3 Rde8
23.Kd2 a5 24.Rxe3 Rxe3 25.Rf1 Be7 26.Rf3 Bb4+ 27.Kd1 Rxf3
28.Bxf3 Kf8 29.a3 Bc5 30.Kc2 Ke7 31.Kb3 Kd6 32.Ka4 Kc7 33.b4
axb4 34.axb4 Be7 35.Bd5 f6 36.Kb5 g5 37.c5 bxc5 38.bxc5 gxf4
39.gxf4 Bf8 40.h4 h5 41.Bf3 f5 42.Kc4 Be7 43.Kxd4 Bxh4 44.Ke5
Bf2 45.c6 h4 46.Kxf5 h3 47.Kg6 Bg3 48.f5 Kd6 49.f6 Be5 50.f7
Ke7 51.c7 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Pal Benko"]
[Black "James A Thinnsen"]
[ECO "B10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "88"]

1.e4 c6 2.d3 d5 3.Nd2 g6 4.Ngf3 Bg7 5.Be2 e5 6.O-O Ne7 7.b4
O-O 8.Bb2 Nd7 9.Re1 d4 10.c3 c5 11.bxc5 Nxc5 12.cxd4 exd4
13.Ba3 Ne6 14.Qb1 Rb8 15.Rc1 a5 16.Nc4 b5 17.Nxa5 Ra8 18.Nc6
Nxc6 19.Bxf8 Bxf8 20.Rxc6 Bd7 21.Rc2 Bd6 22.g3 Qe7 23.Qb3 Ra3
24.Qd5 Rc3 25.Rxc3 dxc3 26.Qb3 b4 27.a3 Bc5 28.axb4 Nd4
29.Ra8+ Kg7 30.Qxc3 Qf6 31.Kg2 Bg4 32.Nxd4 Bxd4 33.Qe1 Bc3
34.Qd1 Bd7 35.Bf3 Qd4 36.Qe2 Qxb4 37.Ra7 Be6 38.e5 Qc5 39.Ra4
Bxe5 40.Qe3 Qb5 41.Ra7 Qb2 42.Rb7 Qc3 43.d4 Qxd4 44.Qxd4 Bxd4
1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1/2-1/2"]
[White "Joseph M Bradford"]
[Black "Lev Gutman"]
[ECO "D75"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "75"]

1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.g3 O-O 5.Bg2 d5 6.cxd5 Nxd5 7.O-O
c5 8.Na3 Nb4 9.dxc5 N8a6 10.Nc4 Qxd1 11.Rxd1 Be6 12.Ne3 Bxa2
13.c6 bxc6 14.Nd4 c5 15.Nc6 Rae8 16.Rd7 Nxc6 17.Bxc6 Nb4
18.Bd5 Bxd5 19.Nxd5 Nxd5 20.Rxd5 c4 21.Rxa7 Ra8 22.Rxa8 Rxa8
23.Rc5 c3 24.b4 Bd4 25.Rc4 Be5 26.Kg2 f5 27.Bf4 Bxf4 28.gxf4
Ra4 29.Kf3 c2 30.Rxc2 Rxb4 31.Rc8+ Kg7 32.Re8 Re4 33.e3 Kh6
34.Rh8 Re6 35.Kg3 Re4 36.Kf3 Ra4 37.Rg8 Re4 38.Rh8 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1/2-1/2"]
[White "John William Donaldson"]
[Black "William James Lombardy"]
[ECO "A15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "35"]

1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 c5 5.O-O g6 6.Nc3 Bg7 7.d4
cxd4 8.Nxd4 Bxg2 9.Kxg2 Qc8 10.b3 Qb7+ 11.f3 O-O 12.e4 Na6
13.Be3 Nc5 14.Qd2 Rfd8 15.Rfd1 Rac8 16.Rac1 Ne6 17.Kg1 Qb8
18.Nd5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Yehuda Gruenfeld"]
[Black "David J Strauss"]
[ECO "B01"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "93"]

1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.c4 Nb6 5.Nf3 Bg4 6.c5 N6d7 7.h3
Bh5 8.Bc4 e6 9.O-O Be7 10.Nc3 O-O 11.g4 Bg6 12.Be3 Nc6 13.a3
e5 14.d5 Nd4 15.Nxd4 exd4 16.Bxd4 Bxc5 17.Bxc5 Nxc5 18.f4 f5
19.b4 Nd7 20.g5 Bf7 21.Bb3 Nb6 22.Re1 a5 23.b5 a4 24.Ba2 Qd6
25.Qd4 Qxa3 26.Re5 g6 27.h4 Nd7 28.h5 Qc5 29.Qxc5 Nxc5 30.Rd1
Rfd8 31.Kf2 b6 32.Ne2 a3 33.Ke3 Ne4 34.h6 Kf8 35.Rxe4 fxe4
36.Nc3 Be8 37.Rd4 Ra5 38.Rc4 Rd7 39.Rc6 Rf7 40.Re6 Rxb5
41.Nxb5 Bxb5 42.d6 Bd7 43.f5 gxf5 44.g6 hxg6 45.Rxg6 f4+
46.Kd4 c5+ 47.Ke5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Hans Ree"]
[Black "John L Watson"]
[ECO "E84"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "47"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2
Rb8 8.Qd2 a6 9.h4 Re8 10.h5 b5 11.O-O-O e6 12.g4 Bd7 13.Ng3 e5
14.d5 Nd4 15.g5 Nxh5 16.Nxh5 gxh5 17.Qh2 b4 18.Nb1 Ba4 19.Rd2
Nxf3 20.Qxh5 Nxd2 21.Qxh7+ Kf8 22.Nxd2 Bd7 23.Be2 Re7 24.Rf1
1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Douglas Root"]
[Black "Daniel Campora"]
[ECO "D04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "109"]

1.d4 d5 2.Nf3 Nf6 3.e3 c5 4.c3 Nc6 5.dxc5 e5 6.b4 e4 7.Nd4 Ng4
8.Bb5 Qh4 9.g3 Qh6 10.Nd2 Be7 11.Qe2 O-O 12.Bb2 Nge5 13.f4 a6
14.fxe5 axb5 15.Nxc6 bxc6 16.Nb3 Bh3 17.Nd4 Bg5 18.Kd2 Rfe8
19.g4 Rxe5 20.Rhg1 f5 21.Nxf5 Qf6 22.c4 Bxg4 23.Rxg4 Qxf5
24.cxb5 d4 25.Bxd4 Rd5 26.Kc2 cxb5 27.Kb2 Bf6 28.Rf1 Qd7
29.Rxf6 Rxd4 30.exd4 Qxd4+ 31.Kb1 Ra4 32.Rf3 h5 33.Rgf4 Qg1+
34.Kb2 Qd4+ 35.Rc3 Rxb4+ 36.Kc2 Qd5 37.Kc1 Qe5 38.Rff3 Qg5+
39.Rfe3 Qg1+ 40.Qe1 Qxh2 41.Rc2 Rc4 42.Rxc4 bxc4 43.Kb1 Qe5
44.Qc3 Qxc5 45.Kc2 h4 46.Rxe4 Qf2+ 47.Kc1 Qf1+ 48.Qe1 Qf6
49.Kc2 g5 50.Qe2 h3 51.a4 Qf5 52.Qg4 Qg6 53.Qe6+ Kg7 54.Qxg6+
Kxg6 55.a5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1-0"]
[White "Gudmundur Sigurjonsson"]
[Black "Ian Duncan Wells"]
[ECO "A07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "69"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O e6 5.d3 Be7 6.e4 d6 7.Ne1 d5
8.e5 Nfd7 9.f4 c5 10.c4 Nc6 11.cxd5 exd5 12.Nc3 d4 13.Nd5 O-O
14.Nf3 Kh8 15.Nxe7 Qxe7 16.Ng5 Nd8 17.Bxb7 Nxb7 18.Qh5 h6
19.f5 Kg8 20.f6 Qxe5 21.fxg7 Qxg7 22.Ne4 f5 23.Bxh6 Qf7
24.Qg5+ Kh8 25.Bxf8 Rxf8 26.Rf4 Qg7 27.Rxf5 Rxf5 28.Qxf5 c4
29.Rf1 Nbc5 30.Nxc5 bxc5 31.Qh5+ Kg8 32.Qd5+ Kh8 33.Rf7 Qe5
34.Qxd7 Qe3+ 35.Kg2 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "0-1"]
[White "Robert M Sulman"]
[Black "Ron W Henley"]
[ECO "B07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "92"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.g3 Bg7 5.Bg2 O-O 6.Nge2 Nc6 7.h3
e5 8.Be3 exd4 9.Nxd4 Nxd4 10.Bxd4 Re8 11.O-O Bd7 12.Qd3 a5
13.a4 c5 14.Be3 Bc6 15.Rfe1 Qb6 16.Ra3 Qb4 17.Bd2 Nd7 18.Nd5
Qxb2 19.Bc1 Qd4 20.Nc7 Nb6 21.Nxa8 Rxa8 22.Bf4 Qb4 23.Bd2 c4
24.Bxb4 cxd3 25.Bc3 Nc4 26.Rb3 d2 27.Rd1 Bxa4 28.Bxg7 Kxg7
29.Rc3 b5 30.Bf1 d5 31.exd5 Re8 32.Rxc4 bxc4 33.Rxd2 Re1 34.d6
c3 35.Rd3 Bxc2 36.Rxc3 Bf5 37.g4 Bd7 38.Kg2 Rd1 39.Bd3 Kf6
40.Kf3 Ke5 41.Ke2 Rh1 42.Rc5+ Kxd6 43.Rxa5 Rxh3 44.f3 Bc6
45.Ra6 Kd7 46.Ra7+ Kd8 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "2"]
[Result "1/2-1/2"]
[White "Jay E Whitehead"]
[Black "Samuel Reshevsky"]
[ECO "C50"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "29"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 4.d4 d6 5.dxe5 dxe5 6.Bd5 Bd7
7.Nc3 Nf6 8.O-O O-O 9.Bxc6 Bxc6 10.Nxe5 Qxd1 11.Rxd1 Bxe4
12.Nxe4 Nxe4 13.Be3 Rfd8 14.f3 Nc5 15.Nc4 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.30"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "Gudmundur Sigurjonsson"]
[Black "Yehuda Gruenfeld"]
[ECO "A05"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "123"]

1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d5 5.Bg2 c6 6.O-O O-O 7.d3 a5
8.a3 axb4 9.axb4 Rxa1 10.Bxa1 Qb6 11.c3 Nbd7 12.Nbd2 e5 13.Qc2
Re8 14.e3 e4 15.dxe4 Nxe4 16.Nxe4 Rxe4 17.Nd2 Re8 18.c4 Bxa1
19.Rxa1 d4 20.exd4 Qxd4 21.Nb3 Qe5 22.Rd1 Nf6 23.Qd2 Kg7
24.Qd4 Bg4 25.Qxe5 Rxe5 26.Rc1 Re7 27.Na5 Rc7 28.c5 Be6 29.Rb1
Nd5 30.Bxd5 Bxd5 31.Re1 Kf8 32.Re3 Rc8 33.Rd3 Re8 34.f3 Re1+
35.Kf2 Rb1 36.Rd4 Rb2+ 37.Ke3 Rxh2 38.Nxb7 Rb2 39.Na5 h5 40.f4
f6 41.Kd3 Kf7 42.Kc3 Ra2 43.Rd3 Ke6 44.Nc4 Ra1 45.Ne3 Ra3+
46.Kd4 Rxd3+ 47.Kxd3 g5 48.Kd4 gxf4 49.gxf4 Bf3 50.f5+ Ke7
51.Nf1 Bg2 52.Nh2 Kd7 53.Ke3 Kc7 54.Nf3 Kb7 55.Nd4 h4 56.Kf2
Be4 57.Kg1 h3 58.Kh2 Bg2 59.Ne6 Be4 60.Nd4 Bg2 61.Kg3 Ka6
62.Kh2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1-0"]
[White "Lev Alburt"]
[Black "Jay E Whitehead"]
[ECO "E04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "103"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Nf3 dxc4 5.Bg2 c5 6.O-O Nc6 7.Qa4
Bd7 8.dxc5 Bxc5 9.Qxc4 Be7 10.Nc3 Rc8 11.Rd1 a6 12.Bg5 b5
13.Qf4 Qc7 14.Qxc7 Rxc7 15.Rac1 Rc8 16.Rd2 Na5 17.Ne5 Nc4
18.Nxc4 Rxc4 19.Rcd1 Bc6 20.Bxc6+ Rxc6 21.Bxf6 Bxf6 22.Rd6
Rxd6 23.Rxd6 Ke7 24.Rxa6 Bxc3 25.bxc3 Rc8 26.Ra7+ Kf6 27.Ra3
Rc4 28.Rb3 Ra4 29.a3 Ra5 30.Kf1 Ke5 31.Ke1 Kd5 32.Kd2 Kc4
33.Kc2 Ra7 34.Rb4+ Kc5 35.Kb3 Rb7 36.Rh4 h6 37.Rh5+ f5 38.g4
Rf7 39.g5 hxg5 40.Rxg5 e5 41.f3 Kd5 42.Rxf5 Rxf5 43.e4+ Ke6
44.exf5+ Kxf5 45.c4 bxc4 46.Kxc4 Kf4 47.a4 Kxf3 48.a5 e4 49.a6
e3 50.a7 e2 51.a8=Q+ Ke3 52.Qa1 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "0-1"]
[White "Joel Benjamin"]
[Black "Arthur Bisguier"]
[ECO "A00"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "50"]

1.g3 d5 2.Nf3 Nc6 3.Bg2 e5 4.d3 g6 5.O-O Bg7 6.c3 Nge7 7.e4
O-O 8.Nbd2 b6 9.Re1 Bb7 10.exd5 Nxd5 11.Nc4 Re8 12.Qb3 Qd7
13.Bd2 Rad8 14.a4 a5 15.Rad1 h6 16.Bc1 Qc8 17.Re2 Kh7 18.h4 f6
19.Qc2 h5 20.Nfd2 Ndb4 21.cxb4 Nd4 22.Ne4 Nxc2 23.Rxc2 Bxe4
24.Bxe4 axb4 25.Nxb6 Qa6 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1-0"]
[White "Lev Gutman"]
[Black "Nick DeFirmian"]
[ECO "A30"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "66"]

1.Nf3 c5 2.g3 b6 3.Bg2 Bb7 4.O-O Nf6 5.c4 e6 6.Nc3 Be7 7.d4
cxd4 8.Qxd4 d6 9.Rd1 a6 10.b3 Nbd7 11.e4 Qc7 12.Ba3 Nc5 13.e5
dxe5 14.Qxe5 Rc8 15.Qxc7 Rxc7 16.Bc1 Nfe4 17.Nxe4 Bxe4 18.Bf4
Rc8 19.Bd6 Rc6 20.Bxe7 Kxe7 21.b4 Na4 22.Ne5 Bxg2 23.Rd7+ Ke8
24.Rad1 Rc8 25.Kxg2 f6 26.Nc6 Rxc6 27.Rd8+ Kf7 28.R1d7+ Kg6
29.Rxh8 Rxc4 30.Rg8 Rxb4 31.Rgxg7+ Kf5 32.Rxh7 e5 33.Rh4 Rg4
1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "Vincent McCambridge"]
[Black "Roman Dzindzichashvili"]
[ECO "E15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "73"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb4+ 5.Bd2 Bxd2+ 6.Qxd2 Ba6
7.Qc2 c5 8.Bg2 Nc6 9.dxc5 bxc5 10.O-O O-O 11.Rd1 Qe7 12.Qa4
Bb7 13.Nc3 d6 14.Rd2 Rfd8 15.Rad1 h6 16.a3 Rab8 17.h3 a6 18.e3
Qc7 19.e4 Na5 20.e5 Bc6 21.Qc2 Bxf3 22.Bxf3 dxe5 23.Rxd8+ Rxd8
24.Rxd8+ Qxd8 25.Qa4 Qb6 26.Ne4 Nb3 27.Nxf6+ gxf6 28.Qd7 Qb8
29.Bh5 Qf8 30.Qb7 Nd4 31.b4 cxb4 32.axb4 Qe8 33.c5 Kf8 34.Qxa6
Qd7 35.Qa8+ Kg7 36.Qb8 e4 37.Qd6 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "Victor J Frias Pablaza"]
[Black "John Fedorowicz"]
[ECO "B58"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "115"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nf3
h6 8.O-O Be7 9.b3 O-O 10.Bb2 a6 11.a4 Be6 12.Re1 Rc8 13.Bf1
Nb4 14.Nd2 d5 15.exd5 Bg4 16.f3 Bf5 17.Nde4 Bxe4 18.Nxe4 Nxc2
19.Bxe5 Nxe1 20.Qxe1 Nxe4 21.Qxe4 Bd6 22.Bd3 f5 23.Qf4 g5
24.Qg3 f4 25.Qe1 Qb6+ 26.Kf1 Rfe8 27.Bh7+ Kf8 28.Bxd6+ Qxd6
29.Be4 Kg7 30.Qd2 b6 31.Rd1 a5 32.Qd4+ Qf6 33.d6 Qxd4 34.Rxd4
Rc3 35.b4 Rd8 36.b5 Rb3 37.d7 Rb4 38.Rd6 Rxa4 39.Bc6 Kf7
40.Rxh6 Ra1+ 41.Ke2 a4 42.Kd3 Rc1 43.Kd2 Rc5 44.Rd6 Re5 45.Rd4
a3 46.Ra4 Re3 47.h4 Ke7 48.hxg5 Rb3 49.Rxf4 a2 50.Ra4 Rb2+
51.Ke3 Rxg2 52.f4 Rb2 53.Kf3 Rd2 54.Kg4 Rg8 55.Re4+ Kf7 56.Ra4
Ke7 57.Ra7 Ke6 58.Ra4 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1-0"]
[White "Andrew Soltis"]
[Black "Dimitri Gurevich"]
[ECO "B89"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "43"]

1.e4 c5 2.Nc3 Nc6 3.Nge2 d6 4.d4 cxd4 5.Nxd4 Nf6 6.Bc4 e6
7.Be3 Be7 8.Qe2 O-O 9.O-O-O Qc7 10.Bb3 a6 11.Rhg1 Nd7 12.g4
Nc5 13.g5 b5 14.Nxc6 Qxc6 15.Bd4 Nxb3+ 16.cxb3 b4 17.Qh5 bxc3
18.Qh6 e5 19.Bxe5 dxe5 20.Qxc6 cxb2+ 21.Kxb2 Be6 22.Qc7 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "0-1"]
[White "John A Peters"]
[Black "Igor Vasilievich Ivanov"]
[ECO "B56"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "62"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.f4 g6 7.Nxc6
bxc6 8.e5 Ng8 9.Be3 Bg7 10.exd6 exd6 11.Qd2 Ne7 12.O-O-O O-O
13.h3 Nf5 14.Bf2 Rb8 15.g4 Qa5 16.Bc4 Rb4 17.Bb3 Nd4 18.Rhe1
c5 19.Re7 Be6 20.Bxe6 Nxe6 21.Be1 Rxb2 22.Kxb2 Qb4+ 23.Ka1 Rb8
24.Re8+ Rxe8 25.Rb1 Qxf4 26.Rb7 Qf3 27.Rxa7 Nd4 28.Kb1 Qf1
29.Ne4 Rxe4 30.Ra8+ Bf8 31.Qh6 Qxe1+ 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "Boris Markovich Kogan"]
[Black "Borislav Ivkov"]
[ECO "A49"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "108"]

1.Nf3 g6 2.d4 Bg7 3.g3 Nf6 4.Bg2 O-O 5.O-O d6 6.Nc3 Nbd7 7.e4
e5 8.h3 c6 9.a4 a5 10.b3 Re8 11.Ba3 exd4 12.Nxd4 Nc5 13.Re1
Qb6 14.Bb2 Bd7 15.Qd2 Rad8 16.Rad1 Bc8 17.Qc1 Rd7 18.Kh2 h5
19.f3 h4 20.g4 Rde7 21.Qd2 Nh7 22.Nce2 Nxa4 23.bxa4 Qxb2
24.Qxa5 Qa3 25.c3 d5 26.Nc2 Qd6+ 27.Kg1 Qb8 28.Qb6 dxe4 29.f4
Nf6 30.Ne3 Nd7 31.Qa5 Nf8 32.Rf1 Qc7 33.Qa7 Rd7 34.Rxd7 Nxd7
35.Nc4 Bf8 36.Qf2 Bc5 37.Nd4 b5 38.axb5 cxb5 39.Ne3 b4 40.Nd5
Qd6 41.Nxb4 e3 42.Qb2 Nb6 43.Nbc6 Bd7 44.Ne5 Rxe5 45.fxe5 Qxe5
46.Ne2 Nc4 47.Qb7 Be6 48.Qb5 Kg7 49.Ra1 Nb6 50.Ra5 Nd7 51.Qc6
Qxc3 52.Nxc3 e2 53.Rxc5 e1=Q+ 54.Kh2 Qg3+ 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "0-1"]
[White "Karl Burger"]
[Black "Hans Ree"]
[ECO "E90"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "48"]

1.c4 g6 2.d4 Bg7 3.Nc3 d6 4.e4 Nf6 5.Nf3 O-O 6.h3 e5 7.d5 a5
8.Be2 Na6 9.Be3 Nc5 10.Nd2 Ne8 11.h4 f5 12.h5 gxh5 13.exf5
Bxf5 14.Bxc5 dxc5 15.Nde4 Nd6 16.Bd3 Bg6 17.Rxh5 Rf4 18.Nxd6
Qxd6 19.Rh3 e4 20.Be2 Bd4 21.f3 exf3 22.gxf3 Re8 23.Nb5 Qe5
24.Nxd4 Rxd4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1-0"]
[White "Viktor Korchnoi"]
[Black "James Tarjan"]
[ECO "E12"]
[WhiteElo "2650"]
[BlackElo "2530"]
[PlyCount "59"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bf4 Bb4 6. Qb3 a5
7. e3 d6 8. Be2 Ne4 9. O-O Bxc3 10. bxc3 g5 11. Bxg5 Nxg5
12. Qb5+ Nd7 13. Qxg5 Qxg5 14. Nxg5 Bxg2 15. Kxg2 Rg8 16. f4
h6 17. h4 f6 18. Bg4 Ke7 19. Bxe6 Rg7 20. Bxd7 Kxd7 21. e4 c5
22. e5 dxe5 23. dxe5 fxe5 24. Rad1+ Kc7 25. Kh3 hxg5 26. fxg5
e4 27. Rde1 Rd8 28. Rxe4 Rd3+ 29. Kg4 Rxc3 30. h5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "Larry Christiansen"]
[Black "Bent Larsen"]
[ECO "E16"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "213"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 a5 5.g3 b6 6.Bg2 Bb7 7.O-O
O-O 8.Bf4 Be7 9.Nc3 Ne4 10.Rc1 d6 11.Ne1 Nxc3 12.Rxc3 Bxg2
13.Nxg2 Bf6 14.Be3 Nc6 15.Nf4 Nxd4 16.Bxd4 Bxd4 17.Qxd4 e5
18.Qe4 exf4 19.Qxf4 Qd7 20.Qd2 Rae8 21.c5 Qb5 22.cxd6 Rxe2
23.Qd1 cxd6 24.Rb3 Qe5 25.Rxb6 Rd8 26.Qb3 h5 27.Rb7 Qf6 28.Qc3
Qxc3 29.bxc3 Rxa2 30.Re1 h4 31.Kg2 Rc8 32.gxh4 Ra4 33.Ree7 Rf4
34.Kg3 Rf5 35.Re3 Rfc5 36.Ree7 Rxc3+ 37.f3 Rf8 38.Ra7 Rc5
39.Red7 Rd5 40.Kf4 g6 41.h5 Rxh5 42.Rxd6 Rf5+ 43.Kg4 Rb8
44.Rd4 Rb1 45.f4 Rg1+ 46.Kf3 Ra1 47.Kg3 Kg7 48.Re4 Ra3+ 49.Kg4
Rf6 50.Rd4 Kh6 51.Rc4 Rf5 52.Ra8 Ra2 53.h3 Ra1 54.Rd4 Kg7
55.Ra7 Kh6 56.Ra8 Rb5 57.Rd3 a4 58.Ra7 Kg7 59.Rdd7 Rf5 60.Rd4
a3 61.Rda4 Rf1 62.Rxa3 R5xf4+ 63.Kg3 Kh6 64.R7a4 Rf5 65.Rd3
Rg1+ 66.Kh2 Rb1 67.Rd2 Rb3 68.Rh4+ Kg7 69.Kg2 Rff3 70.Kh2 Ra3
71.Rg2 Rfb3 72.Re2 g5 73.Rg2 f6 74.Rh5 Rb8 75.Rh4 Rb1 76.Rc4
Rbb3 77.Rh4 Rc3 78.Rh5 Rc4 79.h4 g4 80.Rb2 Rcc3 81.Rd5 Rh3+
82.Kg2 Kg6 83.Rb4 Ra2+ 84.Kg1 Rg3+ 85.Kh1 Rf2 86.h5+ Kh6
87.Rd8 Rfg2 88.Rb1 Ra2 89.Rg8 Rh3+ 90.Kg1 Rg3+ 91.Kh1 Ra6
92.Rb5 Kh7 93.Rc8 Ra1+ 94.Kh2 Rh3+ 95.Kg2 Ra2+ 96.Kg1 Rg3+
97.Kh1 Re3 98.Rc1 Rf3 99.Kg1 Kh6 100.Rf1 Raa3 101.Rf5 Rg3+
102.Kh2 Kg7 103.h6+ Kh7 104.Rxf6 Rh3+ 105.Kg2 Rag3+ 106.Kf2
Rc3 107.Kg2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1-0"]
[White "William James Lombardy"]
[Black "Jean Hebert"]
[ECO "E10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "51"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.Nc3 cxd4 5.Nxd4 Bb4 6.g3 Ne4 7.Qd3
Qa5 8.Nb3 Qf5 9.Qe3 Na6 10.Bg2 Nxc3 11.bxc3 Bc5 12.Nxc5 Qxc5
13.Qd4 Qxd4 14.cxd4 Nb4 15.Kd2 Nc6 16.Bb2 f6 17.Rhc1 Rb8 18.d5
Na5 19.Ba3 e5 20.Bd6 Ra8 21.Bb4 b6 22.Bxa5 bxa5 23.d6 Rb8
24.Rab1 Rb6 25.Rxb6 axb6 26.Rb1 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "Oleg Romanishin"]
[Black "Pal Benko"]
[ECO "B23"]
[WhiteElo "2595"]
[BlackElo "2480"]
[PlyCount "83"]

1. e4 c5 2. Nc3 d6 3. Nf3 g6 4. d4 cxd4 5. Qxd4 Nf6 6. e5 Nc6
7. Bb5 Nh5 8. e6 Bg7 9. exf7+ Kf8 10. Qh4 Qd7 11. h3 Qf5
12. Bd3 Qxf7 13. O-O h6 14. Re1 Bd7 15. Bc4 e6 16. Bb5 a6
17. Bxc6 Bxc6 18. Nd4 Bd7 19. Nde2 Bc6 20. Qb4 Rd8 21. Nd4
Bxd4 22. Qxd4 e5 23. Rxe5 Qf6 24. Rd5 Bxd5 25. Qxd5 Rh7
26. Be3 Nf4 27. Qf3 Rf7 28. Rd1 g5 29. Rd2 Kg8 30. Qd1 Qe6
31. Rd4 d5 32. Qd2 Qe5 33. Qd1 Ne6 34. Rxd5 Rxd5 35. Qxd5 Qxd5
36. Nxd5 Kg7 37. Kf1 Rd7 38. c4 Nc7 39. Nc3 Kg6 40. Ke2 Ne6
41. Nd5 Kf5 42. g3 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "0-1"]
[White "Leonid Alexandrovich Shamkovich"]
[Black "Kamran Shirazi"]
[ECO "E97"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "70"]

1.d4 g6 2.c4 Bg7 3.Nf3 Nf6 4.Nc3 d6 5.e4 O-O 6.Be2 e5 7.O-O
Nc6 8.d5 Ne7 9.b4 Nd7 10.Bd2 f5 11.Ng5 Nf6 12.f3 Nh5 13.g3 Bf6
14.exf5 gxf5 15.f4 Ng7 16.Rc1 Ng6 17.Kh1 a5 18.a3 axb4 19.axb4
Bxg5 20.fxg5 f4 21.Ne4 Bf5 22.Nf6+ Rxf6 23.gxf6 Qxf6 24.Qb3
Be4+ 25.Bf3 Qf5 26.g4 Bxf3+ 27.Qxf3 Qd7 28.Be1 Re8 29.Bc3 e4
30.Qh3 e3 31.Qh6 Re4 32.Ra1 Ne8 33.Ra8 e2 34.Rfa1 f3 35.Be1
Qxg4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "Samuel Reshevsky"]
[Black "Gennady Sosonko"]
[ECO "E12"]
[WhiteElo "2485"]
[BlackElo "2595"]
[PlyCount "54"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5
7. e3 Be7 8. Bd3 Nxc3 9. bxc3 c5 10. O-O Nc6 11. Qe2 O-O
12. Rd1 cxd4 13. cxd4 Na5 14. Bb2 Rc8 15. e4 Bf6 16. Rac1 Rxc1
17. Rxc1 Qb8 18. Rd1 Rc8 19. e5 Be7 20. Nd2 Qc7 21. Qh5 g6
22. Qe2 Qd7 23. h3 Qd5 24. Be4 Qa2 25. Bxb7 Nxb7 26. Ne4 Bxa3
27. Qd2 Kg7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "0-1"]
[White "Ian Duncan Wells"]
[Black "Vitaly F Zaltsman"]
[ECO "B67"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "124"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2
a6 8.O-O-O Bd7 9.f4 b5 10.Bxf6 gxf6 11.g3 Qb6 12.Nce2 Qa5
13.Qxa5 Nxa5 14.Bg2 Rc8 15.b3 Be7 16.Kb2 Nc6 17.f5 Nxd4
18.Nxd4 Rc5 19.Bh3 e5 20.Ne2 b4 21.c3 a5 22.cxb4 axb4 23.Nc1
Bc6 24.Bg2 Kd7 25.Nd3 Rb5 26.Rd2 Bf8 27.Nf2 Be7 28.Bf1 Ra5
29.Bc4 Rha8 30.Kb1 Ke8 31.Rc1 Rc5 32.Ka1 Raa5 33.Rcd1 Bb7
34.Kb2 Kf8 35.g4 Rc8 36.Re2 Rd8 37.Bd5 Rda8 38.Kb1 Bxd5
39.exd5 Bd8 40.Ne4 Ke7 41.Rc2 Bb6 42.Nxd6 Kxd6 43.Rc6+ Kd7
44.Rxb6 Rxa2 45.Kc1 Rxh2 46.Kb1 Rha2 47.Kc1 e4 48.Rxb4 e3
49.Ra4 R8xa4 50.bxa4 Rxa4 51.Kc2 e2 52.Re1 Re4 53.Kd3 Re5
54.Rxe2 Rxe2 55.Kxe2 Kd6 56.Ke3 Kxd5 57.Kd3 Ke5 58.Ke3 h5
59.gxh5 Kxf5 60.Kf3 Kg5 61.Ke4 f5 62.Ke5 f6 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "Svetozar Gligoric"]
[Black "John William Donaldson"]
[ECO "D19"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "46"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4
Bb4 8.O-O O-O 9.Qe2 Nbd7 10.e4 Bg6 11.Bd3 Bh5 12.e5 Nd5
13.Nxd5 cxd5 14.Qe3 Be7 15.Ne1 Bg6 16.f4 Rc8 17.g4 Bxd3
18.Nxd3 Rc4 19.Bd2 Qb6 20.Bc3 f5 21.exf6 Bxf6 22.Ne5 Bxe5
23.fxe5 Rcc8 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "Adam Kuligowski"]
[Black "David J Strauss"]
[ECO "A11"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "138"]

1.c4 c6 2.b3 d5 3.Bb2 Nf6 4.g3 Bg4 5.h3 Bh5 6.Bg2 e6 7.d3 Nbd7
8.Nd2 Bd6 9.Ngf3 O-O 10.O-O Qe7 11.a3 h6 12.b4 a5 13.c5 Bc7
14.Qc2 Nh7 15.e4 f5 16.exd5 exd5 17.Rae1 Qf7 18.Nd4 axb4
19.axb4 Rae8 20.f4 Rxe1 21.Rxe1 Re8 22.Rxe8+ Qxe8 23.Nxf5 Nhf6
24.Nf1 Bg6 25.Nd4 h5 26.Nf3 Qe6 27.Nh4 Bh7 28.Bd4 Kh8 29.Ne3
b6 30.Nf3 bxc5 31.bxc5 Qe7 32.Qc3 Bg6 33.Bf1 Bh7 34.Nc2 h4
35.Be5 Bxe5 36.fxe5 Nh5 37.g4 Ng3 38.d4 Qf7 39.Nce1 Nf8 40.Qe3
Ne6 41.Ba6 Ne4 42.Nxh4 Qa7 43.Bf1 Qa1 44.Nhf3 Ng3 45.Kg2 Nxf1
46.Kxf1 Be4 47.Kf2 g5 48.Nxg5 Nxg5 49.Qxg5 Qxd4+ 50.Qe3 Qb2+
51.Kf1 Qxe5 52.Nf3 Qa1+ 53.Kf2 Qb2+ 54.Kg3 Bxf3 55.Kxf3 Qf6+
56.Kg3 d4 57.Qf4 Qg7 58.Qd6 Kg8 59.Kf4 Qf7+ 60.Ke4 Qh7+
61.Kxd4 Qxh3 62.Qg6+ Kf8 63.Ke5 Qg3+ 64.Ke6 Qb3+ 65.Kd7 Qb7+
66.Kd6 Qd7+ 67.Ke5 Qd5+ 68.Kf6 Qd4+ 69.Kg5 Qxc5+ 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "Sergey Kudrin"]
[Black "Artur Yusupov"]
[ECO "B33"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "40"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Ndb5 d6
7.Bf4 e5 8.Bg5 a6 9.Na3 b5 10.Nd5 Be7 11.Nxe7 Nxe7 12.Bxf6
gxf6 13.Qf3 f5 14.exf5 Bxf5 15.Bd3 Bxd3 16.Qxd3 d5 17.c3 Qd6
18.O-O Rg8 19.Nc2 Ng6 20.g3 e4 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1-0"]
[White "Vladimir Mikhailovich Liberzon"]
[Black "Johann Hjartarson"]
[ECO "B93"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "61"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7
7. Nf3 Nc6 8. Bd3 Bg4 9. h3 Bxf3 10. Qxf3 g6 11. O-O Bg7
12. Be3 O-O 13. Qf2 e6 14. f5 Rae8 15. Kh1 Ne5 16. Rae1 b5
17. a3 Nc4 18. Bxc4 Qxc4 19. Bg5 h6 20. Bf4 b4 21. axb4 Qxb4
22. Qd2 Nh5 23. Bxd6 Qxb2 24. f6 Bxf6 25. Rxf6 Nxf6 26. e5 Nd5
27. Nxd5 exd5 28. Qxh6 Qc3 29. Re3 Qa1+ 30. Kh2 Rd8 31. Be7
1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "0-1"]
[White "John A Grefe"]
[Black "Bozidar Ivanovic"]
[ECO "B20"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "56"]

1.e4 c5 2.b3 Nc6 3.Bb2 Nf6 4.e5 Nd5 5.Nf3 e6 6.g3 f5 7.exf6
Nxf6 8.Bg2 Be7 9.O-O O-O 10.d4 Qc7 11.c4 cxd4 12.Nxd4 Nxd4
13.Qxd4 Bc5 14.Qh4 e5 15.Nc3 d6 16.Rad1 Bd7 17.Bd5+ Kh8 18.Kg2
Bd4 19.Rxd4 exd4 20.Qxd4 Bc6 21.Rd1 Qf7 22.Bxc6 bxc6 23.f4
Rfe8 24.h3 Rad8 25.Rd2 Rd7 26.Qd3 d5 27.cxd5 Nxd5 28.Nxd5 Rxd5
0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "0-1"]
[White "Michael A Brooks"]
[Black "Anatoly Lein"]
[ECO "B15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "88"]

1.e4 c6 2.d4 d5 3.Nc3 g6 4.Nf3 Bg7 5.h3 Nf6 6.e5 Ne4 7.Bd3
Nxc3 8.bxc3 c5 9.dxc5 Qa5 10.O-O Qxc5 11.Be3 Qc7 12.Bb5+ Bd7
13.Qxd5 e6 14.Qb3 O-O 15.Rad1 b6 16.Bd4 Bxb5 17.Qxb5 Nc6
18.Qe2 Rfd8 19.Rfe1 Rac8 20.Qe4 Nxd4 21.cxd4 Qxc2 22.Qf4 h6
23.Nd2 g5 24.Qg4 Qf5 25.Ne4 Qxg4 26.hxg4 Rc2 27.a3 Rd5 28.g3
Rc4 29.f4 Rdxd4 30.Rxd4 Rxd4 31.Kf2 Bf8 32.Re3 Be7 33.f5 Ra4
34.f6 Bf8 35.Kf3 Rxa3 36.Rxa3 Bxa3 37.Nd2 Kf8 38.Ke4 Ke8
39.Kd3 Kd7 40.Nc4 Bc5 41.Nd2 Kc6 42.Kc4 b5+ 43.Kd3 Kd5 44.Ne4
Bb4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "Daniel Campora"]
[Black "Michael Wilder"]
[ECO "B16"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "80"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6 6.g3 Qd5
7.Nf3 Bf5 8.c4 Qe4+ 9.Qe2 Na6 10.a3 O-O-O 11.Be3 e5 12.d5 cxd5
13.Bg2 Qd3 14.cxd5 Kb8 15.Nh4 Qxe2+ 16.Kxe2 Bg4+ 17.Bf3 Bd7
18.Be4 Nc7 19.Rhd1 Ne8 20.Bf5 Ba4 21.Rd2 Nd6 22.Rc1 Bb5+
23.Kf3 b6 24.Bh3 Ba6 25.Nf5 Nc4 26.Rdc2 Nxe3 27.Nxe3 Bc5
28.Bf5 Bxe3 29.Kxe3 Rxd5 30.Rc7 Rhd8 31.Rxf7 Rd2 32.Rc2 Rd1
33.Rxh7 Re1+ 34.Kf3 Rg8 35.g4 Bb7+ 36.Kg3 Rg1+ 37.Kh4 Be4
38.Rcc7 Bxf5 39.gxf5 R1g2 40.Rb7+ Kc8 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "0-1"]
[White "Nigel Rodney Davies"]
[Black "Ivars Dahlberg"]
[ECO "C15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "62"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Nge2 dxe4 5.a3 Be7 6.Nxe4 Nf6
7.N2g3 Nc6 8.c3 O-O 9.Nxf6+ Bxf6 10.f4 b6 11.Bd3 g6 12.Ne4
Bh4+ 13.g3 Be7 14.h4 Bb7 15.Qe2 h5 16.Be3 Qd5 17.g4 Na5 18.Kf2
hxg4 19.Qxg4 Qf5 20.Qf3 Kg7 21.Rag1 Rh8 22.h5 Nc4 23.Bc1 c5
24.Qe2 Qd5 25.Ng5 Nd6 26.h6+ Kf8 27.dxc5 Nf5 28.Ke1 Ng3
29.Rxg3 Qxh1+ 30.Kd2 Rxh6 31.Qe5 Qh2+ 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1-0"]
[White "Ron W Henley"]
[Black "Perry Youngworth"]
[ECO "E94"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "61"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O
Nbd7 8.Qc2 c6 9.Rd1 Re8 10.Bf1 a5 11.dxe5 dxe5 12.c5 Qe7
13.Na4 h6 14.h3 Rf8 15.Be3 Ne8 16.Nb6 Rb8 17.Rd2 f5 18.Rad1
Ndf6 19.Nxc8 Rxc8 20.Bc4+ Kh7 21.exf5 e4 22.Nh4 gxf5 23.Nxf5
Qe5 24.Nxg7 Nxg7 25.Bd4 Qf5 26.Re1 Ngh5 27.f3 Rce8 28.fxe4
Rxe4 29.Rf1 Nf4 30.Rxf4 Qxf4 31.Rf2 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1-0"]
[White "Helmut Pfleger"]
[Black "Douglas Root"]
[ECO "A40"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "85"]

1.c4 b6 2.d4 e6 3.Nf3 Bb7 4.Nc3 Bb4 5.e3 Nf6 6.Bd3 O-O 7.O-O
Bxc3 8.bxc3 d6 9.Qc2 Nbd7 10.e4 e5 11.Bg5 Re8 12.Nd2 Nf8 13.f3
Ne6 14.Be3 Nd7 15.f4 Qe7 16.f5 Nd8 17.d5 f6 18.g4 c6 19.Nf3
Nf7 20.Be2 Rec8 21.Rf2 cxd5 22.cxd5 Rc7 23.Rg2 Rac8 24.Bd2 Qe8
25.h4 Nc5 26.a4 Ba6 27.Bxa6 Nxa6 28.g5 fxg5 29.hxg5 Rc4 30.g6
hxg6 31.Rxg6 Nc5 32.f6 Nxe4 33.Rxg7+ Kf8 34.Kg2 Qd8 35.Ng5
Nfxg5 36.Bxg5 Nxg5 37.Rg8+ Kxg8 38.Qg6+ Kf8 39.Qg7+ Ke8
40.Qg8+ Kd7 41.Qg7+ Ke8 42.Qxg5 R8c7 43.Qg8+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1-0"]
[White "Yasser Seirawan"]
[Black "Peter Biyiasas"]
[ECO "A48"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "103"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 O-O 5.h3 d6 6.Be2 Nbd7 7.O-O
c5 8.c3 b6 9.a4 Bb7 10.Bh2 Ne4 11.a5 Rb8 12.Na3 cxd4 13.exd4
bxa5 14.Nc4 Ba8 15.Qc2 Nb6 16.Nxa5 e6 17.Nb3 Ng5 18.Nbd2 Nxf3+
19.Bxf3 Bxf3 20.Nxf3 Rb7 21.c4 Qd7 22.b3 Ra8 23.Ra6 Nc8
24.Rfa1 Rb4 25.R1a3 Qb7 26.Bxd6 Nxd6 27.Rxd6 a5 28.c5 Bf8
29.c6 Qc8 30.Rd7 Rb6 31.Ne5 Bxa3 32.Qe4 Qe8 33.Nxf7 Bf8 34.Ng5
Rd8 35.Rxd8 Qxd8 36.Qxe6+ Kg7 37.Qe5+ Kg8 38.Qe6+ Kg7 39.Qf7+
Kh6 40.c7 Qc8 41.h4 Bg7 42.Ne6 Bf6 43.d5 Be5 44.g4 Rb4 45.f3
Qh8 46.g5+ Kh5 47.c8=Q Bh2+ 48.Kxh2 Rxh4+ 49.Kg3 Qe5+ 50.Nf4+
Rxf4 51.Qxh7+ Kxg5 52.Qc1 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "0-1"]
[White "James A Thinnsen"]
[Black "Jon Loftur Arnason"]
[ECO "A34"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "120"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.g3 Nc6 6.Bg2 Nc7
7.O-O g6 8.b3 Bg7 9.Bb2 b6 10.Na4 O-O 11.Bxg7 Kxg7 12.d4 cxd4
13.Rc1 Qd6 14.Qc2 Bb7 15.Rfd1 Ne6 16.Qb2 Rfd8 17.e3 Rab8
18.Nc3 Kg8 19.Nb5 Qd5 20.Nbxd4 Ncxd4 21.exd4 Qf5 22.Ne5 Bxg2
23.Kxg2 Rbc8 24.Rc4 f6 25.Nf3 Qg4 26.Qc1 Rxc4 27.Qxc4 b5
28.Qc3 Nf4+ 29.Kf1 Rc8 30.Qd2 Qxf3 31.gxf4 Qh1+ 32.Ke2 Qxh2
33.Rc1 Qh4 34.Ke3 Qh3+ 35.Ke2 Qg4+ 36.Kf1 Qh3+ 37.Ke2 Qe6+
38.Kf1 Rd8 39.Rc5 Qe4 40.d5 a6 41.Qe3 Qxe3 42.fxe3 f5 43.Ke2
Rd6 44.Kf3 Kf7 45.e4 fxe4+ 46.Kxe4 Kf6 47.Rc8 e6 48.Rf8+ Kg7
49.Ra8 exd5+ 50.Ke5 Rf6 51.Ra7+ Rf7 52.Rxa6 Rf5+ 53.Kd4 Rxf4+
54.Kxd5 h5 55.a4 bxa4 56.Rxa4 Rf5+ 57.Kc4 h4 58.b4 h3 59.Ra2
g5 60.b5 g4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.03.31"]
[EventDate "1981.??.??"]
[Round "3"]
[Result "1/2-1/2"]
[White "John L Watson"]
[Black "Joseph M Bradford"]
[ECO "A13"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "90"]

1.c4 e6 2.Nf3 d5 3.b3 Nf6 4.g3 Be7 5.Bg2 O-O 6.O-O c5 7.Bb2
Nc6 8.e3 b6 9.Qe2 Bb7 10.Rd1 Qc7 11.Nc3 Rad8 12.Rac1 dxc4
13.bxc4 Rd7 14.Ne1 Qb8 15.f4 Rfd8 16.d3 Ne8 17.g4 Nb4 18.Bxb7
Qxb7 19.a3 Nc6 20.Nf3 Nd6 21.Rb1 Qa6 22.Kf2 Bf6 23.Qc2 Na5
24.g5 Bxc3 25.Qxc3 Ne8 26.Ne5 Rd6 27.Ba1 Nc6 28.Nxc6 Rxc6
29.h4 Qc8 30.Qe5 Qc7 31.h5 Rcd6 32.Rb3 R6d7 33.Qxc7 Nxc7 34.h6
b5 35.cxb5 c4 36.Rbb1 gxh6 37.Bf6 c3 38.Bxd8 c2 39.Bxc7 Rxc7
40.a4 hxg5 41.fxg5 cxd1=Q 42.Rxd1 Rc2+ 43.Kf3 Ra2 44.Rc1 Rxa4
45.Rc7 Ra5 1/2-1/2

[Event "It (open)"]
[Site "Lone Pine (USA)"]
[Date "1981.04.01"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Kamran Shirazi"]
[Black "Lev Alburt"]
[ECO "B02"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "43"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Bc4 c6 6.Qe2 b6 7.Nc3
Nxc3 8.dxc3 bxc5 9.Nf3 e6 10.Ng5 f5 11.Bf4 Be7 12.h4 Qa5 13.g4
h6 14.Nxe6 dxe6 15.gxf5 h5 16.Rg1 Kf8 17.fxe6 Ba6 18.Bg5 Bxg5
19.Rxg5 Qc7 20.O-O-O Bxc4 21.Qxc4 Ke8 22.Qd3 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Nick DeFirmian"]
[Black "Joel Benjamin"]
[ECO "B16"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "67"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6 6.Ne2 Bf5
7.Ng3 Bg6 8.h4 h6 9.h5 Bh7 10.c3 Nd7 11.Be2 Qa5 12.O-O O-O-O
13.Bf4 e5 14.Be3 Nb6 15.Bd3 Bxd3 16.Qxd3 Rg8 17.Qh7 Bd6
18.Qxf7 exd4 19.Bxd4 Nd5 20.Rad1 Kb8 21.c4 Nf4 22.Be3 Qe5
23.Rfe1 Rxg3 24.fxg3 Nh3+ 25.gxh3 Qxg3+ 26.Kf1 Qxh3+ 27.Ke2
Qg2+ 28.Bf2 Qe4+ 29.Kf1 Qh1+ 30.Bg1 Qf3+ 31.Bf2 Qh1+ 32.Ke2
Qe4+ 33.Be3 Qg2+ 34.Bf2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Arthur Bisguier"]
[Black "Victor J Frias Pablaza"]
[ECO "A46"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "69"]

1.Nf3 Nf6 2.d4 e6 3.Bf4 c5 4.e3 Nc6 5.Nbd2 d5 6.c3 Bd6 7.Bg3
O-O 8.Bd3 Qe7 9.Ne5 Rd8 10.f4 Nd7 11.O-O Nf8 12.Qe2 f6 13.Bh4
Bd7 14.Nxd7 Rxd7 15.Kh1 Re8 16.Rae1 Kh8 17.Nf3 cxd4 18.Nxd4
Qf7 19.Nxc6 bxc6 20.e4 Rdd8 21.e5 Be7 22.Bf2 f5 23.b4 Rc8
24.Rb1 Rc7 25.c4 Rb8 26.b5 dxc4 27.Bxc4 cxb5 28.Rxb5 Rbc8
29.Bb3 g5 30.fxg5 Bxg5 31.Ra5 Rc1 32.Bd1 R1c7 33.Kg1 Rd7 34.h4
Bd8 35.Rc5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Roman Dzindzichashvili"]
[Black "Adam Kuligowski"]
[ECO "D02"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "48"]

1.Nf3 d5 2.d4 Bf5 3.c4 e6 4.Nc3 c6 5.Qb3 Qb6 6.c5 Qc7 7.Bf4
Qc8 8.e3 Nf6 9.Nh4 Bg6 10.Nxg6 hxg6 11.h3 Nbd7 12.Rc1 Be7
13.Qc2 Bd8 14.Bd3 Bc7 15.O-O e5 16.dxe5 Bxe5 17.Bxe5 Nxe5
18.f4 Nxd3 19.Qxd3 Qf5 20.e4 dxe4 21.Nxe4 O-O 22.Nxf6+ Qxf6
23.Qc3 Qxc3 24.Rxc3 Rfd8 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1-0"]
[White "John Fedorowicz"]
[Black "Nigel Rodney Davies"]
[ECO "B16"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "79"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6 6.c3 Bf5
7.Nf3 e6 8.g3 Qd5 9.Qe2 Nd7 10.Bg2 Be4 11.O-O Nb6 12.b3 Bg7
13.c4 Bxf3 14.Bxf3 Qxd4 15.Bb2 Qc5 16.a4 Nd7 17.Bh5 Qe7 18.Bf3
Ne5 19.Bg2 O-O 20.f4 Ng6 21.Ba3 c5 22.f5 Ne5 23.Be4 Rad8
24.Rae1 Bh6 25.Qh5 Bd2 26.Re2 Kh8 27.Kh1 Rg8 28.fxe6 fxe6
29.Bxc5 Qg7 30.Rxf6 Bg5 31.Rf1 b6 32.Ba3 h6 33.Bb2 Rgf8
34.Rfe1 Bf6 35.Ba3 Rg8 36.Rf1 Bg5 37.Bg2 Bf6 38.Bc1 Ng4 39.h3
Nh2 40.Bxh6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "0-1"]
[White "Dimitri Gurevich"]
[Black "Vincent McCambridge"]
[ECO "E42"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "84"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nge2 cxd4 6.exd4 d5 7.a3
Be7 8.c5 O-O 9.b4 b6 10.Bb2 a5 11.Na4 bxc5 12.dxc5 axb4
13.axb4 Na6 14.Nd4 Nxb4 15.Bc3 Rb8 16.Rb1 e5 17.Rxb4 Rxb4
18.Bxb4 exd4 19.Be2 Bd7 20.Nb6 Re8 21.O-O Bf8 22.Re1 Bc6 23.f3
Qe7 24.Bf1 Qb7 25.Rxe8 Nxe8 26.Qxd4 Nc7 27.Bd3 Ne6 28.Qe3 Qe7
29.Bb1 g6 30.Ba2 Qh4 31.Ba3 Bg7 32.Kh1 Bd4 33.g3 Bxe3 34.gxh4
Nf4 35.Nc8 Kg7 36.Ne7 Ba8 37.c6 d4 38.Bc5 Kf6 39.h3 Ke5 40.c7
Bxf3+ 41.Kh2 Ne2 42.Nd5 Bg1# 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1-0"]
[White "Igor Vasilievich Ivanov"]
[Black "Michael A Brooks"]
[ECO "E92"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "77"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.Be3
Nc6 8.d5 Ne7 9.Nd2 Nd7 10.b4 f5 11.f3 Nf6 12.c5 Kh8 13.Nc4 Ne8
14.Rc1 Ng8 15.O-O f4 16.Bf2 Bf6 17.cxd6 cxd6 18.Nb5 b6 19.a4
Ba6 20.Nca3 Bh4 21.Bxh4 Qxh4 22.Nc7 Nxc7 23.Rxc7 Qd8 24.Rc2
Bxe2 25.Qxe2 g5 26.Nb5 Rf7 27.Rfc1 Nf6 28.Rc6 Ne8 29.Qc2 Kg7
30.Nc7 Nxc7 31.Rxc7 h5 32.Qc6 Rxc7 33.Qxc7+ Kg6 34.Rc6 Qxc7
35.Rxc7 Rd8 36.h3 g4 37.h4 Kf6 38.Kf2 g3 39.Ke2 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Borislav Ivkov"]
[Black "John A Grefe"]
[ECO "A73"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "147"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.e4
Bg7 8.Be2 O-O 9.O-O Bg4 10.Bf4 Qb6 11.Rb1 Nbd7 12.h3 Bxf3
13.Bxf3 Rfe8 14.b3 a6 15.a4 Rac8 16.Qc2 Qc7 17.Be2 Re7 18.g4
Rce8 19.f3 Ne5 20.Bg3 c4 21.Nd1 cxb3 22.Qxc7 Rxc7 23.Rxb3 Nfd7
24.Ne3 Nc5 25.Ra3 Bh6 26.g5 Bxg5 27.f4 Nxe4 28.Be1 Bf6 29.fxe5
Bxe5 30.Kg2 Nc3 31.Bf3 Kg7 32.Bd2 b5 33.axb5 axb5 34.Rb3 Rc5
35.Rc1 Rec8 36.Bxc3 Bxc3 37.Nd1 b4 38.Nxc3 Rxc3 39.Rbxc3 bxc3
40.Kf2 f5 41.Ke3 Kf7 42.Kd4 Kf6 43.Be2 g5 44.Bc4 Re8 45.Bd3
Rc8 46.Bc4 Re8 47.Bd3 Rc8 48.Rc2 h5 49.Re2 g4 50.Rf2 g3
51.Rxf5+ Kg7 52.Bc2 h4 53.Rf4 Rg8 54.Be4 Rc8 55.Rf1 c2 56.Rc1
Kf6 57.Ke3 Ke5 58.Bxc2 Rc5 59.Kf3 Rc3+ 60.Ke2 g2 61.Kf2 Rxh3
62.Kxg2 Rg3+ 63.Kf2 Kxd5 64.Rh1 Rg4 65.Kf3 Rd4 66.Re1 Kc5
67.Bf5 d5 68.Re8 Ra4 69.Rh8 Ra3+ 70.Kf4 Ra1 71.Bg4 Ra4+ 72.Kf5
d4 73.Rxh4 d3 74.Rh8 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Yehuda Gruenfeld"]
[Black "Karl Burger"]
[ECO "A45"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "78"]

1.d4 Nf6 2.Bg5 d5 3.Nd2 Nbd7 4.Ngf3 h6 5.Bh4 e6 6.e3 Be7 7.Bd3
c5 8.c3 b6 9.Bb5 a6 10.Bc6 Ra7 11.Ne5 O-O 12.f4 Nxe5 13.fxe5
Nh7 14.Bxe7 Qxe7 15.O-O Bd7 16.Bxd7 Qxd7 17.Nf3 Qe7 18.Qe2 Ng5
19.Nxg5 Qxg5 20.Rf4 cxd4 21.cxd4 Rc8 22.Raf1 h5 23.h4 Qg6
24.R1f2 b5 25.Kh2 Rac7 26.Qf3 b4 27.Qe2 a5 28.Qa6 Rc2 29.Rxf7
Qxf7 30.Rxf7 Kxf7 31.e4 dxe4 32.Qb7+ R8c7 33.Qxe4 Rxb2 34.Qf3+
Ke7 35.d5 exd5 36.Qxd5 Rcc2 37.Qd6+ Ke8 38.Qe6+ Kf8 39.Qd6+
Ke8 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Bent Larsen"]
[Black "Viktor Korchnoi"]
[ECO "B83"]
[WhiteElo "2610"]
[BlackElo "2650"]
[PlyCount "120"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7
7. O-O Nc6 8. Be3 O-O 9. f4 Qc7 10. Ndb5 Qb8 11. a4 Rd8
12. Bf3 Bd7 13. Qd2 Be8 14. Rad1 a6 15. Nd4 Qc7 16. Nb3 Rab8
17. a5 Nxa5 18. Nxa5 Qxa5 19. Nd5 Nxd5 20. Qxa5 Nxe3 21. Qa3
Nxf1 22. Kxf1 Bb5+ 23. Be2 Bxe2+ 24. Kxe2 Rbc8 25. c3 Rd7
26. Qa4 Rc6 27. Kf3 g6 28. g3 Rdc7 29. Rd4 Bf6 30. Rd2 Bg7
31. g4 Bf6 32. Qd1 Be7 33. h4 b5 34. h5 Rc8 35. h6 Bf8 36. Qh1
b4 37. cxb4 Rb6 38. f5 Rxb4 39. fxe6 fxe6 40. Qh4 Rcb8 41. Qf6
Bxh6 42. Qxe6+ Kh8 43. g5 Bxg5 44. Rxd6 R4b5 45. b4 Rf8+
46. Ke2 Rxb4 47. Qe5+ Bf6 48. Rxf6 Rxe4+ 49. Qxe4 Rxf6 50. Qd4
Kg7 51. Ke3 Kf7 52. Ke4 Kg7 53. Ke5 Rf5+ 54. Ke6+ Kg8 55. Qd8+
Rf8 56. Qb6 Rf5 57. Qxa6 Rf8 58. Qc4 Rf7 59. Qd4 Rf8 60. Qd6
Rf7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Bozidar Ivanovic"]
[Black "Sergey Kudrin"]
[ECO "B76"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "108"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3
Nc6 8.Qd2 O-O 9.O-O-O Nxd4 10.Bxd4 Be6 11.Kb1 Qc7 12.h4 Rfc8
13.h5 Qa5 14.hxg6 fxg6 15.a3 Bf7 16.g4 Rab8 17.g5 Nh5 18.Bxg7
Nxg7 19.Qh2 Nh5 20.Nd5 Bxd5 21.exd5 Rf8 22.Bh3 Qa4 23.Bg4 Qf4
24.Qg2 Ng3 25.Be6+ Kg7 26.Rh3 Nh5 27.Qg1 Qc4 28.Qxa7 Qc5
29.Qa4 Nf4 30.Rg3 b5 31.Qb4 Qxb4 32.axb4 Nh5 33.Rgg1 Rxf3
34.Rde1 Rf4 35.c3 Rb7 36.Re3 Rf2 37.Rge1 Nf4 38.Bc8 Rc7
39.Rxe7+ Rxe7 40.Rxe7+ Kf8 41.Rxh7 Nxd5 42.Bd7 Ne3 43.Bxb5 Nd1
44.Rh1 Nxb2+ 45.Rf1 Rxf1+ 46.Bxf1 Nd1 47.Bd3 Nxc3+ 48.Kc2 Nd5
49.Kb3 Nf4 50.Bc4 Ke7 51.Bg8 Kd7 52.Bf7 Kc7 53.Kc4 Nh3 54.Bxg6
Nxg5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Pal Benko"]
[Black "Larry Christiansen"]
[ECO "B30"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "54"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 e6 4.O-O Nge7 5.b3 Nd4 6.Nxd4 cxd4
7.Bb2 a6 8.Bd3 Nc6 9.c3 Bc5 10.Qh5 d6 11.Na3 Ne5 12.Qe2 dxc3
13.dxc3 Nxd3 14.Qxd3 O-O 15.b4 Ba7 16.c4 Qh4 17.Bd4 Bb8 18.Qg3
Qxg3 19.hxg3 Bc7 20.Rfd1 Bd7 21.Rac1 Rfc8 22.Be3 Ba4 23.Rd3 h5
24.b5 Ba5 25.Rxd6 Bb4 26.Rd3 axb5 27.Nxb5 Rxc4 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Hans Ree"]
[Black "William James Lombardy"]
[ECO "D22"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "26"]

1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 7.Nc3
Nc6 8.O-O Nf6 9.Be2 Bd6 10.b3 Nd5 11.Ne4 f5 12.Nxd6+ cxd6
13.Bb2 O-O 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Helmut Pfleger"]
[Black "Oleg Romanishin"]
[ECO "A49"]
[WhiteElo "2505"]
[BlackElo "2595"]
[PlyCount "76"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 d5 5. O-O c6 6. c3 O-O
7. Nbd2 Bf5 8. Nh4 Be6 9. Ndf3 Qc8 10. Qb3 Ne4 11. Ng5 Nxg5
12. Bxg5 Re8 13. Nf3 Nd7 14. Bf4 h6 15. h4 Nb6 16. a4 Nc4
17. Nd2 Nd6 18. Bxd6 exd6 19. e3 Qd7 20. f3 Re7 21. Rae1 Rae8
22. Kf2 Bf5 23. Rh1 Re6 24. g4 Bd3 25. Bf1 Bxf1 26. Nxf1 Qe7
27. Qd1 Bf6 28. Kg3 Rf8 29. f4 Re8 30. g5 Bg7 31. Rh3 Re4
32. Kf2 Qd7 33. Rg3 h5 34. Nd2 R4e7 35. Qc2 c5 36. Nf3 Re4
37. Rgg1 Qf5 38. Qb1 Qd7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "0-1"]
[White "Jean Hebert"]
[Black "Leonid Alexandrovich Shamkovich"]
[ECO "B44"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "90"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nb5 d6 6.c4 Nf6 7.N1c3
a6 8.Na3 b6 9.Be2 Bb7 10.O-O Be7 11.f4 O-O 12.Be3 Nb8 13.Bf3
Nbd7 14.Qe2 Rc8 15.g4 Nc5 16.Qg2 Ne8 17.g5 f5 18.exf5 Bxf3
19.Rxf3 Rxf5 20.Qe2 Nc7 21.h4 d5 22.Rd1 Qf8 23.Nc2 dxc4
24.Qxc4 b5 25.Qe2 e5 26.Rdf1 e4 27.Rg3 N7e6 28.Rg4 Nd3 29.Qd2
Ne5 30.Rg3 Nf3+ 31.Rgxf3 exf3 32.Rxf3 Rd8 33.Qf2 Bc5 34.Bxc5
Qxc5 35.Ne3 Nd4 36.Rg3 Rf7 37.g6 hxg6 38.Rxg6 Nf5 39.Ng4 Qxf2+
40.Kxf2 Rd2+ 41.Ke1 Rxb2 42.Nd5 Rxa2 43.Ne5 Rf8 44.Rg5 Kh7
45.Rh5+ Nh6 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Gennady Sosonko"]
[Black "Ivars Dahlberg"]
[ECO "E08"]
[WhiteElo "2595"]
[BlackElo "2480"]
[PlyCount "38"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7
7. Qc2 c6 8. b3 b6 9. Rd1 Ba6 10. Nbd2 c5 11. e4 cxd4 12. Nxd4
Re8 13. exd5 exd5 14. Qf5 g6 15. Qh3 Nc5 16. N2f3 dxc4 17. Bh6
c3 18. b4 Nce4 19. b5 c2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "James Tarjan"]
[Black "Vladimir Mikhailovich Liberzon"]
[ECO "D58"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "90"]

1.c4 e6 2.d4 d5 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 h6 6.Bh4 O-O 7.e3 b6
8.Rc1 Bb7 9.Bxf6 Bxf6 10.cxd5 exd5 11.Be2 Nd7 12.Qb3 c6 13.O-O
Re8 14.Rfd1 Nf8 15.Qc2 Qe7 16.Qb1 Rac8 17.b4 Ne6 18.Na4 Qd6
19.Bf1 g6 20.g3 Bg7 21.Nc3 Rcd8 22.Bg2 Nc7 23.Rd2 Ba6 24.Bf1
Bb7 25.Qb3 Qf6 26.Bg2 Qe7 27.a4 Ba8 28.Ne1 Qd7 29.Nd3 Ne6
30.Ne2 Qd6 31.Nef4 Nxf4 32.Nxf4 g5 33.Nd3 Rc8 34.Rdc2 Bb7
35.b5 cxb5 36.axb5 Rxc2 37.Rxc2 Qd7 38.Bf1 Rc8 39.Ra2 Ra8
40.Nb4 Bf8 41.Rc2 Bxb4 42.Qxb4 Rc8 43.Rxc8+ Bxc8 44.Qb2 Bb7
45.Bg2 Kg7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1-0"]
[White "Vitaly F Zaltsman"]
[Black "James A Thinnsen"]
[ECO "E44"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "125"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nge2 O-O 6.a3 Be7 7.Nf4
d6 8.Be2 Bb7 9.d5 e5 10.Nd3 e4 11.Nf4 Re8 12.g4 Bf8 13.g5 Nfd7
14.h4 g6 15.Qc2 Qe7 16.Bd2 Bg7 17.Nb5 Nf8 18.Bc3 Bxc3+ 19.Qxc3
a6 20.Nd4 Qe5 21.O-O-O Nbd7 22.Kc2 a5 23.b3 Nc5 24.Nb5 Qxc3+
25.Kxc3 Na6 26.Bg4 Bc8 27.Bxc8 Raxc8 28.h5 Re5 29.Rdg1 Rce8
30.Rh4 Rf5 31.Nd4 Rfe5 32.b4 Kg7 33.hxg6 hxg6 34.Nfe2 Nh7
35.Rhg4 a4 36.R1g2 Rh8 37.Nc6 Ree8 38.Rh4 Nf8 39.Rxh8 Kxh8
40.Kd4 Kg7 41.Ng3 Nd7 42.Nxe4 Rh8 43.Rg1 Rh4 44.Kd3 Nab8 45.f4
Rh2 46.Nd4 Kf8 47.Ne2 Ke7 48.N4c3 Nf8 49.Nxa4 Kd7 50.Nac3 Ke8
51.Ne4 Nbd7 52.Ra1 Nb8 53.Nf6+ Kd8 54.Nd4 Nfd7 55.Ne4 Kc8
56.Nf3 Rh3 57.Ke2 Kd8 58.Nf2 Rh8 59.Rh1 Re8 60.Kd3 Nf8 61.Nd4
Ke7 62.Ne4 Nbd7 63.Nc6# 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "0-1"]
[White "Peter Biyiasas"]
[Black "Svetozar Gligoric"]
[ECO "B26"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "86"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 Rb8 7.Nf3
Nd4 8.Nh4 b5 9.Qd2 b4 10.Nd1 e5 11.O-O Ne6 12.a3 a5 13.axb4
axb4 14.Kh1 Nf6 15.Bh6 Bxh6 16.Qxh6 Ng4 17.Qd2 O-O 18.h3 Nf6
19.Ne3 Nd4 20.b3 Nh5 21.Kh2 Nf4 22.f3 Nh5 23.Ng4 f5 24.exf5
gxf5 25.Qh6 Ng7 26.Ra7 Rb7 27.Ra8 f4 28.gxf4 exf4 29.Re1 Rbf7
30.Rxc8 Qxc8 31.Qxd6 Ngf5 32.Nxf5 Nxf5 33.Qxf4 Qc7 34.Re5 Kh8
35.Qe4 Nd4 36.Kh1 Nxf3 37.Bxf3 Rxf3 38.Kg2 R3f4 39.Qd5 Qg7
40.Rg5 Qc3 41.Qxc5 Qd2+ 42.Kg3 Rf3+ 43.Kh4 Qe1+ 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Artur Yusupov"]
[Black "Ron W Henley"]
[ECO "D07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "179"]

1.d4 d5 2.c4 Nc6 3.Nc3 dxc4 4.e3 e5 5.d5 Nce7 6.Bxc4 Ng6
7.Bb5+ Bd7 8.Qb3 Rb8 9.e4 a6 10.Bxd7+ Qxd7 11.Nf3 Bc5 12.O-O
Nf6 13.Qc4 Bd6 14.Ne2 Nh5 15.Ng3 Nxg3 16.fxg3 O-O 17.Be3 Rbc8
18.Rad1 h6 19.h3 Qe7 20.Nh2 c6 21.Qe2 cxd5 22.Rxd5 Bc5 23.Ng4
Rfd8 24.Bxc5 Rxc5 25.Rxd8+ Qxd8 26.Kh2 h5 27.Qf2 Rc7 28.Ne3 h4
29.gxh4 Qxh4 30.Qxh4 Nxh4 31.Rd1 Ng6 32.g3 Nf8 33.Kg2 Ne6
34.h4 Nd4 35.Rd2 Rc1 36.Rd1 Rc5 37.Rd2 Kf8 38.Ng4 f6 39.Nh2
Ke7 40.Nf3 Ne6 41.Ne1 Rc4 42.Kf3 Rc1 43.Kf2 Nc5 44.Re2 Ra1
45.b4 Ne6 46.Nf3 Rb1 47.a3 Ra1 48.Re3 Ra2+ 49.Ke1 Nc7 50.Nd2
Nb5 51.Nc4 Nd4 52.Kd1 Nb5 53.Rd3 Ke6 54.Re3 g6 55.Na5 Nd6
56.Nb3 b6 57.Nd2 f5 58.exf5+ Nxf5 59.Rd3 Ra1+ 60.Ke2 Nd4+
61.Kf2 Rd1 62.Ke3 Kd5 63.a4 a5 64.bxa5 bxa5 65.g4 Rg1 66.Kf2
Rxg4 67.Rg3 Rxh4 68.Rxg6 Nc6 69.Nb1 Kc5 70.Nc3 Rc4 71.Rg3 Nb4
72.Ke2 Nd5 73.Nxd5 Kxd5 74.Ra3 Kc5 75.Kd3 Kb4 76.Ra1 e4+
77.Kd2 Kb3 78.Ke3 Rxa4 79.Rb1+ Kc4 80.Kxe4 Rb4 81.Rc1+ Kb3+
82.Kd3 Kb2 83.Rc2+ Ka3 84.Rc5 a4 85.Kc2 Ka2 86.Rc8 a3 87.Rc7
Rh4 88.Rc8 Rh2+ 89.Kc1 Rb2 90.Rc7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Jon Loftur Arnason"]
[Black "Andrew Soltis"]
[ECO "B06"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "74"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 c6 5.Nf3 Bg4 6.Be3 Qb6 7.Qd2
Nd7 8.O-O-O Qa5 9.Kb1 b5 10.e5 d5 11.Bd3 b4 12.Ne2 e6 13.Nh4
c5 14.dxc5 Nxc5 15.Bxc5 Qxc5 16.h3 Bxe2 17.Qxe2 Ne7 18.g4 Nc6
19.Nf3 O-O 20.h4 a5 21.h5 Rfe8 22.hxg6 hxg6 23.Ng5 Nd4 24.Qf2
b3 25.cxb3 Nxb3 26.Qe1 Nd4 27.Qf2 Rab8 28.Rh7 Rb7 29.Bxg6 Reb8
30.Bxf7+ Kf8 31.Qxd4 Rxb2+ 32.Qxb2 Rxb2+ 33.Kxb2 Qb4+ 34.Kc2
Qc4+ 35.Kd2 Qxf4+ 36.Kc2 Qxg5 37.Bxe6 Qxe5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Joseph M Bradford"]
[Black "Boris Markovich Kogan"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "135"]

1.Nf3 c5 2.c4 Nc6 3.Nc3 g6 4.d4 cxd4 5.Nxd4 Bg7 6.Nc2 d6 7.Qd2
Nf6 8.e4 O-O 9.Be2 Nd7 10.h4 h5 11.Rb1 Nc5 12.b4 Bxc3 13.Qxc3
Nxe4 14.Qb2 f5 15.g3 e5 16.Rg1 Kh7 17.f3 Nxg3 18.Bg5 Nxe2
19.Bxd8 Nxg1 20.Bc7 Nxf3+ 21.Ke2 Nxh4 22.b5 Nd4+ 23.Nxd4 exd4
24.Qxd4 f4 25.Kf2 Bg4 26.Re1 Nf5 27.Qd5 b6 28.Bxd6 Nxd6
29.Re7+ Kh6 30.Qxd6 Rad8 31.Qc7 Kg5 32.Re5+ Bf5 33.Rd5 Rde8
34.Re5 Rd8 35.Rd5 Rde8 36.Re5 Kg4 37.c5 bxc5 38.Rxc5 Re3
39.Rc4 Rf3+ 40.Kg2 Re8 41.Rc2 Rg3+ 42.Kf2 Rf3+ 43.Kg2 Rg3+
44.Kf2 Bxc2 45.Qd7+ Bf5 46.Qxe8 Rf3+ 47.Kg1 Re3 48.Qa8 Be4
49.Qxa7 h4 50.Qd7+ Kg3 51.Qd2 h3 52.b6 Bf3 53.Qf2+ Kg4 54.Kh2
Be4 55.a4 Bb7 56.a5 g5 57.Qd2 Kf3 58.Qd7 Re2+ 59.Kxh3 Be4
60.b7 Re1 61.Qg4+ Ke3 62.Qe6 Rb1 63.a6 f3 64.Qe5 f2 65.Qxg5+
Ke2 66.Qg4+ Ke3 67.Qg3+ Ke2 68.Qg4+ 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "John William Donaldson"]
[Black "Samuel Reshevsky"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "31"]

1.Nf3 c5 2.c4 Nc6 3.Nc3 g6 4.e3 d6 5.d4 cxd4 6.exd4 Bg7 7.d5
Nb8 8.h3 Nf6 9.Be2 O-O 10.O-O Nbd7 11.Be3 a5 12.Rc1 Nc5 13.b3
Bd7 14.Nd4 Nfe4 15.Ncb5 f5 16.Rc2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Johann Hjartarson"]
[Black "Daniel Campora"]
[ECO "D50"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "95"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c6 5.e3 Be7 6.cxd5 exd5 7.Bd3
Ne4 8.Bxe7 Qxe7 9.Qc2 Bf5 10.Nge2 Nd7 11.O-O Ndf6 12.Rae1 O-O
13.Nc1 Nxc3 14.bxc3 Bxd3 15.Nxd3 Ne4 16.c4 b5 17.cxd5 cxd5
18.Rc1 Qa3 19.Nc5 Rfc8 20.Qb3 Qxb3 21.axb3 a5 22.Rfd1 f5 23.f3
Nf6 24.Ra1 Rc7 25.Kf2 Kf7 26.Rd2 Ke7 27.Rda2 Rca7 28.Ke2 Nd7
29.Kd3 Nb8 30.Kc3 Nc6 31.Re2 Rd8 32.Rg1 Kd6 33.e4 dxe4 34.fxe4
Nxd4 35.Kxd4 Kc6+ 36.Kc3 Kxc5 37.exf5 Rad7 38.Re5+ Rd5 39.Rge1
h5 40.g3 Rxe5 41.Rxe5+ Rd5 42.Re7 b4+ 43.Kc2 Rxf5 44.Rxg7 Kd4
45.Rd7+ Ke3 46.Re7+ Kd4 47.Rd7+ Ke3 48.Re7+ 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Anatoly Lein"]
[Black "Yasser Seirawan"]
[ECO "A46"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "71"]

1.d4 Nf6 2.Nf3 e6 3.Bg5 d5 4.e3 c5 5.Nbd2 Nbd7 6.c3 a6 7.Bh4
Be7 8.Bd3 b6 9.Ne5 cxd4 10.exd4 Nxe5 11.dxe5 Nd7 12.Bxe7 Qxe7
13.Nf3 O-O 14.O-O Nc5 15.Bc2 a5 16.Re1 Bd7 17.Re3 b5 18.a3
Rab8 19.b4 Na4 20.Qd3 g6 21.Bxa4 bxa4 22.Nd4 Rfc8 23.f4 Rc4
24.Qd2 Rbc8 25.Rh3 h5 26.Re1 axb4 27.cxb4 Qd8 28.Rd3 Qb6
29.Qe3 Bb5 30.f5 gxf5 31.Red1 Rc1 32.Rxc1 Rxc1+ 33.Qxc1 Bxd3
34.Qe3 Qa6 35.Qg5+ Kf8 36.Qd8+ 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "0-1"]
[White "Douglas Root"]
[Black "Lev Gutman"]
[ECO "D77"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "92"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d5 6.c4 c5 7.dxc5
Na6 8.Nc3 dxc4 9.Qa4 Nxc5 10.Qxc4 b6 11.Rd1 Qe8 12.Ne5 Ba6
13.Qh4 Bb7 14.Bxb7 Nxb7 15.Bh6 Nd6 16.e4 Rc8 17.Nd5 Bxh6
18.Qxh6 Ndxe4 19.Qh4 Nxd5 20.Qxe4 e6 21.a4 Rc5 22.Qd4 f6
23.Nd3 Rc7 24.a5 Qb5 25.axb6 Qxb6 26.Qe4 Ne7 27.Ra4 Rd8
28.Rda1 Qc6 29.Qxc6 Nxc6 30.Nc5 Kf7 31.b4 Rd5 32.Ne4 Rd4
33.Nc3 Rb7 34.Ra6 Rc4 35.b5 Ne7 36.Na4 Nc8 37.Rb1 g5 38.Kg2
Rc2 39.b6 axb6 40.Nxb6 Nd6 41.Rd1 Ne4 42.Rd7+ Rxd7 43.Nxd7
Rxf2+ 44.Kg1 Rd2 45.Ra7 Kg6 46.Nf8+ Kf5 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1-0"]
[White "David J Strauss"]
[Black "John A Peters"]
[ECO "A17"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "117"]

1.Nf3 e6 2.c4 Nf6 3.Nc3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Re1
d5 8.cxd5 exd5 9.d4 Na6 10.Bg5 Ne4 11.Bxe7 Qxe7 12.Rc1 Rfd8
13.e3 c5 14.a3 Nc7 15.Qc2 Ne6 16.dxc5 bxc5 17.Nxe4 dxe4 18.Nd2
f5 19.Red1 Ba6 20.Nc4 Rxd1+ 21.Rxd1 Rd8 22.Bf1 Kf8 23.h4 Bc8
24.Rxd8+ Nxd8 25.Qd2 Be6 26.Ne5 Nf7 27.Qc3 Qd6 28.Nxf7 Kxf7
29.Be2 Kg6 30.Kg2 Kh6 31.a4 Bf7 32.a5 Be6 33.a6 Kg6 34.Qa5 h6
35.Qb5 Bd5 36.Qe8+ Kh7 37.Qc8 Be6 38.Qb7 Qd2 39.Bf1 Qd1 40.Qe7
Bd7 41.Qxc5 f4 42.exf4 Bg4 43.Qe3 Bf3+ 44.Kg1 h5 45.b4 Qb1
46.b5 Qd1 47.f5 Kg8 48.b6 axb6 49.a7 Qd8 50.Qg5 Qa8 51.Bc4+
Kh8 52.Qe7 e3 53.f6 gxf6 54.Qxf6+ Kh7 55.Qf5+ Kh8 56.Qe5+ Kh7
57.Qe7+ Kh8 58.Qxe3 Qf8 59.Qf4 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "0-1"]
[White "Robert M Sulman"]
[Black "John L Watson"]
[ECO "C05"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "54"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2
Qb6 8.Nf3 cxd4 9.cxd4 f6 10.exf6 Nxf6 11.O-O Bd6 12.Bd2 O-O
13.Bc3 Bd7 14.Ng3 Bf4 15.Re1 Kh8 16.Bc2 Rae8 17.b4 Ng4 18.Qd3
g6 19.h3 Nxf2 20.Kxf2 e5 21.b5 e4 22.Qd1 Bxg3+ 23.Kxg3 Qc7+
24.Kf2 Rxf3+ 25.gxf3 Qh2+ 26.Ke3 exf3+ 27.Kxf3 Rf8+ 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Jay E Whitehead"]
[Black "Gudmundur Sigurjonsson"]
[ECO "E05"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "31"]

1.c4 e6 2.Nf3 Nf6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.d4 dxc4 7.Qa4
a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bg5 Nbd7 11.Nbd2 Rc8 12.Nb3 Be4
13.Qd2 c5 14.dxc5 Nxc5 15.Nxc5 Qxd2 16.Bxd2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.01"]
[EventDate "1981.??.??"]
[Round "4"]
[Result "1/2-1/2"]
[White "Michael Wilder"]
[Black "Perry Youngworth"]
[ECO "E12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "69"]

1.d4 Nf6 2.Nf3 b6 3.c4 Bb7 4.a3 e6 5.Nc3 d5 6.cxd5 exd5 7.g3
a6 8.Bg2 Bd6 9.O-O O-O 10.Nh4 g6 11.Qb3 Be7 12.Bg5 Nc6 13.Rad1
Kg7 14.Nf3 Ne4 15.Bf4 g5 16.Bc1 Na5 17.Qc2 Nxc3 18.Qxc3 f6
19.Nd2 c5 20.dxc5 d4 21.Qd3 Bxg2 22.Kxg2 bxc5 23.Kg1 Qd5 24.e4
Qe6 25.b4 cxb4 26.axb4 Nc6 27.Nf3 Rfd8 28.Bb2 Bxb4 29.Nxd4
Nxd4 30.Bxd4 Rac8 31.Qe3 h6 32.Rb1 a5 33.Ba1 Rc4 34.Qf3 Rf8
35.e5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "0-1"]
[White "Lev Alburt"]
[Black "John Fedorowicz"]
[ECO "A29"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "90"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6
7.O-O Be7 8.a4 a5 9.d3 O-O 10.Be3 Bg4 11.Rc1 Kh8 12.Nb5 Nd5
13.Bc5 Ndb4 14.Qb3 Be6 15.Qa3 f6 16.Nd2 Rf7 17.Nb3 Bd5 18.Bxd5
Nxd5 19.Bxe7 Rxe7 20.Nc5 b6 21.Ne4 Nd4 22.Rfe1 Nb4 23.Nxd4
exd4 24.Qb3 Qd7 25.Kg2 Rae8 26.Qd1 h6 27.f3 Nd5 28.Kh1 Re5
29.g4 f5 30.gxf5 Ne3 31.Qb3 Rxf5 32.Rg1 Qe7 33.Ng3 Rg5 34.f4
Rg4 35.Qb5 Rh4 36.Rg2 Nxg2 37.Rxc7 Qf8 38.Kxg2 Rxf4 39.Qh5 Rc8
40.Rd7 Rc5 41.Qg6 Rg5 42.Qe6 Rf2+ 43.Kh3 Rxh2+ 44.Kxh2 Qf2+
45.Kh1 Qe1+ 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "Johann Hjartarson"]
[Black "Arthur Bisguier"]
[ECO "C67"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "34"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.dxe5 Nxb5
7.a4 Nbd4 8.Nxd4 Nxd4 9.Qxd4 d5 10.exd6 Qxd6 11.Qc4 Be6
12.Qb5+ Qc6 13.Qxc6+ bxc6 14.Be3 Bd6 15.Nd2 O-O 16.Ne4 Be5
17.c3 Bf5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "0-1"]
[White "James A Thinnsen"]
[Black "Nick DeFirmian"]
[ECO "A30"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "76"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4
cxd4 8.Qxd4 d6 9.b3 Nbd7 10.Rd1 O-O 11.Bb2 a6 12.e4 Qc7
13.Rac1 Rad8 14.Qe3 Rfe8 15.h3 Bf8 16.Kh2 Qb8 17.Rc2 b5
18.cxb5 axb5 19.Nd4 b4 20.Nce2 Nc5 21.f3 Rc8 22.Nc1 Ba6 23.Bf1
Bxf1 24.Rxf1 d5 25.e5 Nfd7 26.Re1 g6 27.Rce2 Rc7 28.h4 Bg7
29.Nd3 Nxd3 30.Qxd3 Rec8 31.h5 Ra7 32.hxg6 hxg6 33.f4 Rxa2
34.Qb1 Ra7 35.g4 Nc5 36.f5 Ne4 37.Rxe4 dxe4 38.Qxe4 Ra2 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "0-1"]
[White "Perry Youngworth"]
[Black "Roman Dzindzichashvili"]
[ECO "E41"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "118"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 Bxc3+
7.bxc3 d6 8.e4 e5 9.d5 Ne7 10.Nh4 h6 11.Qe2 O-O 12.g3 Nh7
13.O-O Bh3 14.Re1 Qd7 15.f4 Bg4 16.Qc2 g5 17.Ng2 gxf4 18.gxf4
exf4 19.Bxf4 Ng5 20.Bxg5 hxg5 21.e5 dxe5 22.Rxe5 f6 23.Ree1
Nf5 24.Rf1 Nd6 25.Qf2 b6 26.h4 Bh3 27.Kh2 Rae8 28.hxg5 fxg5
29.Qg3 Bxg2 30.Qxg5+ Qg7 31.Qxg7+ Kxg7 32.Kxg2 Re3 33.Rxf8
Kxf8 34.Rd1 Ne4 35.Bxe4 Rxe4 36.Kf3 Rxc4 37.Rd3 Ke7 38.Ke3 Kd6
39.Ke2 Rh4 40.Kd1 Rh2 41.a3 b5 42.Kc1 Ra2 43.c4 bxc4 44.Rc3
Kxd5 45.Kb1 Rd2 46.Rh3 Rd3 47.Rh5+ Kd4 48.Ka2 Rd2+ 49.Kb1 a5
50.Rh8 Kc3 51.Ra8 Rd4 52.Ka2 Rd5 53.Kb1 Kb3 54.Kc1 c3 55.Rb8+
Kc4 56.Rh8 Rg5 57.Kc2 Rg2+ 58.Kb1 Rb2+ 59.Ka1 Rb7 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "Nigel Rodney Davies"]
[Black "Dimitri Gurevich"]
[ECO "B07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "193"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bc4 Nxe4 5.Bxf7+ Kxf7 6.Nxe4 h6
7.Be3 Qd7 8.Qd2 Qe6 9.f3 Kg8 10.Ne2 Nd7 11.b3 Nf6 12.Nxf6+
Qxf6 13.O-O Bg7 14.Rae1 Kh7 15.d5 c5 16.dxc6 bxc6 17.Bd4 e5
18.Bb2 g5 19.c4 Qg6 20.Ng3 Re8 21.Re3 Bb7 22.Rfe1 Rad8 23.Qb4
Bc8 24.c5 Qc2 25.Qe4+ Qxe4 26.Nxe4 dxc5 27.Nxc5 Rd2 28.R1e2
Rd5 29.Ne4 g4 30.fxg4 Bxg4 31.Rc2 Rd1+ 32.Kf2 Bd7 33.h3 h5
34.Rf3 Rd8 35.Ba3 Be8 36.Rc4 Ra1 37.Be7 Rxa2+ 38.Kg3 Rd7
39.Nf6+ Bxf6 40.Bxf6+ Rdd2 41.Bxe5 Rxg2+ 42.Kf4 Rad2 43.Rb4
Rd7 44.Rg3 Re2 45.Re3 Rf7+ 46.Ke4 Ref2 47.Rb8 Re7 48.Kd4 a5
49.Rc8 Kg6 50.Rc7 Bd7 51.Ra7 Rd2+ 52.Kc3 Rd5 53.h4 Rexe5
54.Rxe5 Rxe5 55.Rxd7 Kf5 56.Rg7 Rc5+ 57.Kd4 Rb5 58.Kc3 Ke4
59.Rg8 Rc5+ 60.Kd2 Kd4 61.Rg6 Ke4 62.Rg8 Kd5 63.Kd3 Kd6 64.Rg7
Rb5 65.Rg6+ Kc7 66.Kc3 Rf5 67.Rh6 Kb6 68.Rh8 Kc5 69.Rh6 Kb5
70.Rh8 Rc5+ 71.Kb2 Kb4 72.Rb8+ Rb5 73.Rc8 Kc5 74.Rh8 Kd4
75.Rh6 Rc5 76.Re6 Kd5 77.Re8 Rb5 78.Rh8 Ke4 79.Rh6 a4 80.b4
Kf3 81.Ka3 c5 82.bxc5 Rxc5 83.Kxa4 Rc4+ 84.Kb3 Rxh4 85.Kc3 Rh2
86.Kd3 h4 87.Rf6+ Kg2 88.Ke2 Kg1 89.Ke1 Ra2 90.Rh6 Rh2 91.Rf6
Rg2 92.Rf1+ Kh2 93.Rf8 h3 94.Kf1 Kh1 95.Rf7 h2 96.Rf8 Rf2+
97.Rxf2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "Samuel Reshevsky"]
[Black "Igor Vasilievich Ivanov"]
[ECO "A36"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "94"]

1.c4 c5 2.Nc3 g6 3.g3 Bg7 4.Bg2 Nc6 5.a3 e6 6.Rb1 Nge7 7.b4
cxb4 8.axb4 d5 9.cxd5 exd5 10.b5 Na5 11.Ba3 d4 12.Ne4 O-O
13.Nh3 Nc4 14.Bb4 Re8 15.Nf4 Nf5 16.Qb3 Nb6 17.O-O Be5 18.Qf3
Bd7 19.Bc5 Rc8 20.Nd3 Bg7 21.h4 Nc4 22.Rfc1 Ne5 23.Nxe5 Rxe5
24.Bxa7 Rxb5 25.Qd3 Rxc1+ 26.Rxc1 b6 27.Qc4 Be5 28.f4 Nxg3
29.fxe5 Nxe4 30.Qxd4 Nc5 31.Qd6 Ne6 32.e3 Rb2 33.Rf1 Be8
34.Qxd8 Nxd8 35.d4 Nc6 36.Ra1 Ne7 37.Rc1 Ba4 38.Be4 Nf5
39.Bxf5 gxf5 40.Rc8+ Kg7 41.d5 Bb3 42.d6 Be6 43.Rb8 Kg6
44.Rxb6 Rxb6 45.Bxb6 Kh5 46.Bd8 Kg4 47.Kf2 f4 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1-0"]
[White "Borislav Ivkov"]
[Black "Jay E Whitehead"]
[ECO "E12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "105"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5 7.e3
Be7 8.Bb5+ c6 9.Bd3 Nd7 10.e4 Nxc3 11.bxc3 Qc7 12.O-O O-O
13.Qe2 e5 14.a4 Rfe8 15.Qa2 c5 16.d5 Bd6 17.Nd2 a6 18.Qc2 Reb8
19.c4 a5 20.Nb1 Re8 21.Nc3 Nb8 22.Nb5 Qe7 23.f4 Nd7 24.Rb1 Ba6
25.f5 Bxb5 26.Rxb5 Qd8 27.Rf3 Be7 28.Rg3 Bh4 29.Rh3 Bg5 30.Be2
Bxc1 31.Qxc1 h6 32.Rbb3 Qg5 33.Qxg5 hxg5 34.Rhg3 f6 35.Rh3
Red8 36.Bh5 Rab8 37.Bg6 Nf8 38.Rh5 Nxg6 39.fxg6 Kf8 40.Rh7 Rb7
41.Kf2 Ke8 42.Kf3 Rdd7 43.Kg4 Re7 44.Kf5 Kd7 45.Rh8 Kc7 46.g3
Kd7 47.h4 gxh4 48.gxh4 b5 49.Rxb5 Rxb5 50.axb5 a4 51.Ra8 Kd6
52.Rxa4 Ra7 53.Ra6+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1-0"]
[White "Karl Burger"]
[Black "Peter Biyiasas"]
[ECO "E67"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "123"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.d4 Nbd7 7.Nc3
e5 8.Qc2 Re8 9.Rd1 c6 10.e4 a6 11.dxe5 dxe5 12.c5 Qe7 13.Na4
Bf8 14.Be3 Ng4 15.Bg5 f6 16.Bd2 Nh6 17.h3 Nf7 18.Rac1 Bg7
19.Be3 Nf8 20.Nb6 Rb8 21.Nxc8 Rbxc8 22.Bf1 Bh6 23.Bxh6 Nxh6
24.Rd6 b5 25.Rcd1 Nf7 26.R6d2 Red8 27.h4 Rxd2 28.Rxd2 Rd8
29.b4 Ne6 30.Qd1 a5 31.a3 Rxd2 32.Qxd2 axb4 33.axb4 Qa7 34.Bh3
Qa1+ 35.Kg2 Nd4 36.Bd7 Kg7 37.Be8 h5 38.Nxd4 exd4 39.Bxf7 Kxf7
40.Qf4 Qc3 41.Qc7+ Kg8 42.Qxc6 d3 43.Qd5+ Kg7 44.c6 d2 45.Qd7+
Kh6 46.c7 d1=Q 47.Qxd1 Qxc7 48.Qd5 Qc2 49.e5 fxe5 50.Qxb5 Qe4+
51.Kh2 g5 52.Qb6+ Kh7 53.hxg5 h4 54.Qh6+ Kg8 55.Qxh4 Qc2 56.g4
Qc4 57.g6 Qf4+ 58.Qg3 Qxb4 59.Qf3 Kg7 60.Qf7+ Kh6 61.g7 Qxg4
62.g8=N+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1-0"]
[White "Viktor Korchnoi"]
[Black "Kamran Shirazi"]
[ECO "A43"]
[WhiteElo "2650"]
[BlackElo "2350"]
[PlyCount "73"]

1. d4 c5 2. d5 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 d6 6. f3 O-O
7. Bg5 e6 8. Qd2 exd5 9. cxd5 Na6 10. Bc4 Nc7 11. Nge2 b5
12. Bxb5 Nxb5 13. Nxb5 Ba6 14. a4 Qd7 15. Nec3 Rfb8 16. O-O
Ne8 17. Bf4 Bc8 18. Qe2 a6 19. Na3 Rb4 20. Nc4 a5 21. Nb5 Ba6
22. Nb6 Qb7 23. Nxa8 Qxa8 24. Ra2 Qb7 25. Bd2 Bd4+ 26. Kh1
Rxa4 27. Rxa4 Bxb5 28. Qd1 Bxf1 29. Qxf1 Qxb2 30. Bxa5 Qb3
31. Rc4 f5 32. exf5 gxf5 33. Bc3 Be3 34. Ba1 f4 35. g3 Nc7
36. gxf4 Kf7 37. Rc3 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1-0"]
[White "Andrew Soltis"]
[Black "Sergey Kudrin"]
[ECO "B33"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "81"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6
7.Nd5 Nxd5 8.exd5 Nb8 9.c4 a6 10.Nc3 Be7 11.Bd3 O-O 12.O-O f5
13.Kh1 Nd7 14.Bc2 Bg5 15.b4 Bxc1 16.Rxc1 Qh4 17.Qe2 b5 18.f4
bxc4 19.Rf3 Nf6 20.Rcf1 Ng4 21.Rh3 Qe7 22.Qxc4 Qa7 23.Qe2 exf4
24.Rxf4 Bd7 25.Qd2 Rae8 26.Nd1 Re5 27.Rhf3 g6 28.h3 Nf6 29.Nc3
Rfe8 30.Kh2 Nh5 31.Rh4 f4 32.Rxh5 Rxh5 33.Qxf4 Bf5 34.g4 Re1
35.Rf2 Re3 36.gxh5 Rxh3+ 37.Kg1 Rxc3 38.Bxf5 gxf5 39.Qxf5 Rg3+
40.Kh2 Rg7 41.Qf8+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1-0"]
[White "Larry Christiansen"]
[Black "Hans Ree"]
[ECO "D43"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "155"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Qb3 Be7 6.g3 O-O 7.Bg2 b6
8.O-O Ba6 9.cxd5 cxd5 10.Bf4 Nc6 11.Qa4 Bb7 12.Rfc1 Rc8 13.Qd1
Na5 14.Nb5 Nc6 15.Ne5 a6 16.Nc3 Nxe5 17.dxe5 Nd7 18.e4 dxe4
19.Nxe4 Bxe4 20.Bxe4 Rxc1 21.Rxc1 Nc5 22.Bb1 a5 23.Qe2 Qc7
24.a3 a4 25.Qc2 g6 26.Qxa4 Rd8 27.b4 Nxa4 28.Rxc7 g5 29.Be3
Rd1+ 30.Kg2 Rxb1 31.Rxe7 h6 32.Rb7 Ra1 33.Bxb6 Nxb6 34.Rxb6
Rxa3 35.b5 Rb3 36.h4 g4 37.h5 Kg7 38.Rb8 Rb2 39.Kf1 Kh7 40.Ke1
Kg7 41.Kf1 Kh7 42.b6 Rb5 43.b7 Rb2 44.Kg2 Kg7 45.Rc8 Rxb7
46.Rc4 Rb5 47.Rxg4+ Kh7 48.Re4 Kg7 49.f4 f6 50.Kh3 Kf7 51.Kh4
Rb1 52.exf6 Kxf6 53.Kg4 Rb6 54.Re5 Ra6 55.Rb5 Ra7 56.Kh4 Ra4
57.Kg4 Ra7 58.Rb4 Re7 59.Kf3 Ra7 60.g4 Ra3+ 61.Kg2 Ra7 62.Kg3
Rc7 63.Rb5 Rc3+ 64.Kh4 Rc4 65.Rb7 Rxf4 66.Rh7 e5 67.Rxh6+ Kf7
68.Ra6 e4 69.Kg5 Rf2 70.Ra3 Rf3 71.Ra4 e3 72.Re4 Kg7 73.Ra4 e2
74.Re4 Rf2 75.Kh4 Kf6 76.Kg3 Rf1 77.Rxe2 Rg1+ 78.Rg2 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "William James Lombardy"]
[Black "Pal Benko"]
[ECO "D57"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "55"]

1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Be7 5.Bg5 h6 6.Bh4 O-O 7.e3
Ne4 8.Bxe7 Qxe7 9.cxd5 Nxc3 10.bxc3 exd5 11.Qb3 Rd8 12.Be2 b6
13.Ne5 Bb7 14.a4 Nc6 15.Nxc6 Bxc6 16.a5 Rab8 17.axb6 axb6
18.O-O Ra8 19.Bf3 Qd7 20.Rfc1 Rxa1 21.Rxa1 Ra8 22.Rxa8+ Bxa8
23.Qa3 Bc6 24.h3 g6 25.Bg4 Qd8 26.Bf3 Qd7 27.Bg4 Qd8 28.Bf3
1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "Oleg Romanishin"]
[Black "Bent Larsen"]
[ECO "A06"]
[WhiteElo "2595"]
[BlackElo "2610"]
[PlyCount "59"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. c4 e6 5. O-O Nf6 6. Ne5 Bh5
7. d4 Nbd7 8. Nc3 Be7 9. Qb3 Qb6 10. Nxd7 Nxd7 11. e4 dxe4
12. Nxe4 O-O 13. Qc3 Nf6 14. Be3 Qc7 15. Qb3 Nxe4 16. Bxe4 Bf6
17. d5 Qe5 18. Bg2 cxd5 19. cxd5 exd5 20. Bxd5 Rad8 21. Bxb7
Qxb2 22. Rab1 Qxb3 23. Rxb3 Bd4 24. Rc1 Bxe3 25. Rxe3 Rd7
26. Bc8 Rd1+ 27. Rxd1 Bxd1 28. Bb7 Rb8 29. Re7 Kf8 30. Rc7
1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1-0"]
[White "Leonid Alexandrovich Shamkovich"]
[Black "Jon Loftur Arnason"]
[ECO "B90"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "115"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 Qc7 7.Be2
e6 8.a4 Nc6 9.O-O Be7 10.f4 O-O 11.Kh1 Re8 12.f5 Bd7 13.fxe6
fxe6 14.Bc4 Nxd4 15.Qxd4 Ng4 16.Bb3 Nxe3 17.Qxe3 Bf6 18.Qh3
Re7 19.Rf3 Qc5 20.Raf1 Rc8 21.Qg4 Qg5 22.Qh3 Qe5 23.Rf5 Qd4
24.Qg3 Kh8 25.R5f3 Qc5 26.Rd1 Be5 27.Qg5 Bf6 28.Qxc5 dxc5
29.Rxd7 Rxd7 30.Bxe6 Rdd8 31.Bxc8 Bxc3 32.g3 Bxb2 33.Bxb7 a5
34.Bd5 Rb8 35.Rf7 g6 36.Re7 Rb4 37.e5 Rd4 38.c4 g5 39.h3 h5
40.Kg2 g4 41.hxg4 hxg4 42.Kf2 Rd3 43.e6+ Bd4+ 44.Kg2 Rd2+
45.Kf1 Rf2+ 46.Ke1 Rf8 47.Ra7 Re8 48.Ke2 Bc3 49.Kd3 Be5 50.Ke4
Bxg3 51.Kf5 Bb8 52.Rb7 g3 53.e7 Bd6 54.Ke6 Bxe7 55.Rxe7 Rg8
56.Bg2 Rd8 57.Kf6 Rd6+ 58.Re6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "Ron W Henley"]
[Black "Gennady Sosonko"]
[ECO "E12"]
[WhiteElo "2440"]
[BlackElo "2595"]
[PlyCount "78"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5
7. e3 Be7 8. Bb5+ c6 9. Bd3 Nxc3 10. bxc3 c5 11. Qe2 Nc6
12. Bb2 O-O 13. Rd1 Qc7 14. e4 Na5 15. O-O Rac8 16. Rfe1 Rfd8
17. d5 c4 18. Bc2 e5 19. Nd2 Ba6 20. Kh1 Nb7 21. f4 Bd6 22. f5
Be7 23. Qh5 Nc5 24. Re3 Rd6 25. Rg3 Bf6 26. Nf3 Nd3 27. Bxd3
cxd3 28. c4 Re8 29. Rxd3 Qxc4 30. Ng5 Bxg5 31. Qxg5 g6
32. Rdf3 Qxe4 33. h4 Qb1+ 34. Kh2 Qxb2 35. fxg6 hxg6 36. Rf6
Rxf6 37. Qxf6 Qd4 38. Rxg6+ fxg6 39. Qxg6+ Kf8 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "John L Watson"]
[Black "James Tarjan"]
[ECO "A13"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "43"]

1.c4 e6 2.Nf3 Nf6 3.g3 d5 4.b3 Be7 5.Bg2 O-O 6.O-O b6 7.Bb2
Bb7 8.e3 Nbd7 9.Qe2 Re8 10.Rd1 Bd6 11.d4 Qe7 12.Nc3 a6 13.Rac1
Rad8 14.Nh4 g6 15.e4 dxe4 16.Nxe4 Nxe4 17.Bxe4 Bxe4 18.Qxe4 e5
19.Nf3 exd4 20.Qxd4 Ne5 21.Nxe5 Bxe5 22.Qxe5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "Vitaly F Zaltsman"]
[Black "Yehuda Gruenfeld"]
[ECO "A77"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "90"]

1.d4 Nf6 2.Nf3 c5 3.d5 g6 4.c4 Bg7 5.Nc3 O-O 6.e4 d6 7.Be2 e6
8.O-O exd5 9.cxd5 Re8 10.Nd2 Nbd7 11.a4 Ne5 12.Ra3 g5 13.Qc2
g4 14.Re1 Nh5 15.Nf1 Qf6 16.Nd1 Qg6 17.Bb5 Rf8 18.Nde3 a6
19.Be2 Nf3+ 20.gxf3 gxf3 21.Ng3 Nxg3 22.hxg3 fxe2 23.Nf5 Bxf5
24.exf5 Qf6 25.Rb3 Qe5 26.Rxb7 Rfe8 27.Rb6 Qxd5 28.Rxe2 Qf3
29.Re3 Rxe3 30.Bxe3 d5 31.f6 d4 32.Qxc5 Bxf6 33.Rxf6 Qxf6
34.Bxd4 Qd8 35.Qe5 f6 36.Qe6+ Kg7 37.Qg4+ Kf7 38.Qh4 Kg6
39.Qe4+ Kg7 40.Qg4+ Kf7 41.Qh5+ Ke6 42.Bc3 Qd3 43.Qg4+ Kf7
44.Qh5+ Ke6 45.Qg4+ Kf7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "Svetozar Gligoric"]
[Black "Anatoly Lein"]
[ECO "E42"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "104"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nge2 cxd4 6.exd4 d5 7.c5
Ne4 8.Bd2 Nxd2 9.Qxd2 a5 10.a3 Bxc3 11.Nxc3 a4 12.Bb5+ Bd7
13.O-O O-O 14.f4 b6 15.f5 exf5 16.Bxd7 Qxd7 17.cxb6 Nc6 18.Qf4
g6 19.Rac1 Ra5 20.Qc7 Qxc7 21.bxc7 Rc8 22.Nxd5 Rxd5 23.Rxc6
Rxd4 24.Rfc1 Kf8 25.R6c4 Re4 26.Kf2 Ke7 27.Kf3 Kd6 28.Rd1+ Ke7
29.Rc5 h5 30.h3 h4 31.Rdd5 Ke8 32.Re5+ Kd7 33.Rxe4 fxe4+
34.Kxe4 Rxc7 35.Rxc7+ Kxc7 36.Ke5 Kc6 37.Kf6 Kc5 38.Kxf7 Kc4
39.Kxg6 Kb3 40.Kg5 Kxb2 41.Kxh4 Kxa3 42.g4 Kb4 43.g5 a3 44.g6
a2 45.g7 a1=Q 46.g8=Q Qe1+ 47.Kh5 Qe5+ 48.Qg5 Qe8+ 49.Kg4 Qe2+
50.Kh4 Qe1+ 51.Kh5 Qe8+ 52.Qg6 Qe5+ 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "0-1"]
[White "Adam Kuligowski"]
[Black "Ian Duncan Wells"]
[ECO "E12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "138"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.Bg5 Be7 7.Bxf6
Bxf6 8.cxd5 exd5 9.g3 O-O 10.Bg2 Re8 11.O-O Qd6 12.Rc1 a6
13.b4 Nd7 14.Qb3 Rac8 15.Rfd1 g6 16.e3 Bg7 17.a4 Bf8 18.b5 Qa3
19.Qb1 c6 20.bxa6 Bxa6 21.Rd2 Bc4 22.Bf1 Bxf1 23.Kxf1 Ra8
24.Rdc2 Qd6 25.Qb3 Reb8 26.e4 dxe4 27.Nxe4 Qd5 28.Qxd5 cxd5
29.Nc3 Ra5 30.Rb1 Rc8 31.Ke2 Rxa4 32.Nxa4 Rxc2+ 33.Ke1 Rc4
34.Nb2 Rb4 35.Kd2 Rb3 36.Ne1 Bg7 37.Nc2 Nf6 38.Kc1 Rf3 39.Nd1
Bh6+ 40.Kb2 Ng4 41.Ne1 Rf6 42.Nd3 Nxh2 43.Nc3 Rf3 44.Kc2 Ng4
45.Rxb6 Nxf2 46.Ne5 Rxg3 47.Rb8+ Kg7 48.Rb7 Ng4 49.Nxf7 Ne3+
50.Kb1 Rg1+ 51.Ka2 Bf4 52.Ng5+ Kh6 53.Nxh7 Rg2+ 54.Kb1 Rg1+
55.Ka2 Rc1 56.Kb3 Nd1 57.Nxd1 Rxd1 58.Rd7 Rd3+ 59.Kc2 Rxd4
60.Nf8 Kh5 61.Rh7+ Bh6 62.Ne6 Re4 63.Nc7 Re5 64.Rd7 d4 65.Rh7
g5 66.Kd3 g4 67.Kxd4 g3 68.Kxe5 g2 69.Ne8 g1=Q 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "0-1"]
[White "Vladimir Mikhailovich Liberzon"]
[Black "Artur Yusupov"]
[ECO "A64"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "94"]

1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 d6 6.Bg2 g6 7.Nf3
Bg7 8.Nc3 O-O 9.O-O a6 10.a4 Nbd7 11.Nd2 Re8 12.h3 Rb8 13.Nc4
Nb6 14.Na3 Bd7 15.a5 Nc8 16.Nc4 Bb5 17.Qb3 Bxc4 18.Qxc4 Nd7
19.Qd3 Ne5 20.Qc2 Na7 21.Rd1 Nb5 22.Nxb5 axb5 23.Qb3 Qd7
24.Bf1 Nc4 25.e3 Ra8 26.Kg2 Ra7 27.Bxc4 bxc4 28.Qxc4 Rea8
29.Bd2 b5 30.Qc2 b4 31.e4 Rxa5 32.Rxa5 Rxa5 33.Bf4 Qe7 34.b3
Bd4 35.Re1 f6 36.Re2 Ra1 37.h4 Kg7 38.Be3 Bc3 39.Bd2 Be5 40.f4
Bd4 41.Be3 Bxe3 42.Rxe3 Qa7 43.Re2 c4 44.Qxc4 Qg1+ 45.Kh3 Rc1
46.Qxb4 Qf1+ 47.Rg2 Rc2 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "0-1"]
[White "Lev Gutman"]
[Black "Bozidar Ivanovic"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "92"]

1.Nf3 g6 2.g3 Bg7 3.d4 d6 4.Bg2 Nd7 5.O-O e5 6.c4 Nh6 7.Nc3
O-O 8.dxe5 dxe5 9.b3 Re8 10.Ne4 Qe7 11.Qd5 Nf5 12.Qa5 b6
13.Qd5 Rb8 14.Bg5 Qf8 15.Rad1 Ne7 16.Qb5 f5 17.Bxe7 Rxe7
18.Nc3 Nc5 19.Qb4 a5 20.Qa3 Bb7 21.Ng5 e4 22.Nd5 Rd7 23.f3 Qd8
24.Qc1 c6 25.b4 axb4 26.Nxb4 Bf6 27.h4 exf3 28.Bxf3 Qc7 29.Kg2
Rbd8 30.Nh3 Be5 31.Rxd7 Rxd7 32.Nf4 Qd6 33.Nbd3 Nxd3 34.Nxd3
Bd4 35.Qf4 Qe7 36.h5 c5 37.Qb8+ Kg7 38.Nf4 Be5 39.h6+ Kf7
40.Nxg6 Bxb8 41.Nxe7 Bxf3+ 42.Rxf3 Rxe7 43.Rxf5+ Kg6 44.Rf8
Be5 45.Rg8+ Kxh6 46.Rc8 Rg7 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1-0"]
[White "Michael A Brooks"]
[Black "David J Strauss"]
[ECO "C19"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "81"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Nf3
Ne7 8.a4 b6 9.Bb5+ Bd7 10.Bd3 Nbc6 11.O-O h6 12.Ba3 Na5 13.Nd2
O-O 14.dxc5 bxc5 15.Nb3 Nxb3 16.cxb3 f6 17.f4 fxe5 18.fxe5
Rxf1+ 19.Qxf1 Be8 20.Qf2 Rc8 21.Ba6 Rb8 22.Qxc5 Nc6 23.Bb5 a6
24.Bd3 Qb6 25.Qxb6 Rxb6 26.Bd6 Rxb3 27.Bxa6 Rxc3 28.Bb5 d4
29.Ra3 Kf7 30.Ra1 Bd7 31.Rf1+ Kg6 32.Rf3 h5 33.Kf2 Rc2+ 34.Kg3
Ra2 35.h4 Ra1 36.Bd3+ Kh6 37.Rf6+ g6 38.Rxg6+ Kh7 39.Rf6+ Kg7
40.Bf8+ Kg8 41.Bh6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1-0"]
[White "Daniel Campora"]
[Black "Jean Hebert"]
[ECO "C02"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "111"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 c4 7.g3 Bd7
8.Bg2 O-O-O 9.O-O f6 10.Re1 fxe5 11.Nxe5 Nxe5 12.Rxe5 Bd6
13.Re1 h5 14.h4 Nf6 15.Nd2 Ng4 16.Nf1 Rdf8 17.Re2 Qc7 18.Bg5
Rf7 19.Qd2 Rhf8 20.f4 Nf6 21.Nh2 Qc6 22.Rae1 Ne4 23.Bxe4 dxe4
24.Qe3 Rf5 25.Qxe4 Qxe4 26.Rxe4 Rb5 27.R1e2 Rff5 28.Nf1 Rb3
29.Ne3 b5 30.Nxf5 exf5 31.R4e3 a5 32.Be7 Kc7 33.Kf2 Kc6
34.Bxd6 Kxd6 35.Re7 b4 36.cxb4 axb4 37.axb4 Bc6 38.R7e6+ Kd7
39.R6e3 Rxb4 40.Re5 Be4 41.Ra5 Rb3 42.Ra3 Rb7 43.Rxe4 fxe4
44.Ke3 Rxb2 45.Kxe4 Kc6 46.Ra5 Re2+ 47.Kf3 Rd2 48.Rc5+ Kd6
49.Rxc4 Rd3+ 50.Ke4 Rxg3 51.Rc5 g6 52.Rg5 Rg4 53.Rxg4 hxg4
54.f5 gxf5+ 55.Kf4 Kd5 56.h5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "Ivars Dahlberg"]
[Black "John William Donaldson"]
[ECO "B36"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "58"]

1.c4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Nc6 5.e4 Nf6 6.Nc3 d6 7.Be2
Nxd4 8.Qxd4 Bg7 9.Bg5 O-O 10.Qe3 a6 11.O-O Be6 12.Rac1 Qa5
13.b3 Rfc8 14.Na4 Rab8 15.c5 Qb4 16.Bf3 Re8 17.cxd6 exd6
18.Qb6 Qxb6 19.Nxb6 Nd7 20.Be3 Nxb6 21.Bxb6 Rbc8 22.g3 Bd7
23.Bg2 Rxc1 24.Rxc1 Bc6 25.Rd1 Bf8 26.f3 Be7 27.Bc7 d5 28.exd5
Bc5+ 29.Kh1 Bxd5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "0-1"]
[White "Victor J Frias Pablaza"]
[Black "Michael Wilder"]
[ECO "B15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "86"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 6.Bc4 Be7
7.Ne2 O-O 8.O-O Nd7 9.Bb3 f5 10.Ng3 Nf6 11.Qf3 g6 12.Bh6 Re8
13.Rfe1 Bd7 14.Rad1 Bf8 15.Rxe8 Qxe8 16.Bf4 Rd8 17.h3 Bg7
18.c4 Be6 19.d5 cxd5 20.cxd5 Bd7 21.d6 Bc6 22.Qd3 h6 23.h4 Ba4
24.Rc1 Bxb3 25.Qxb3 Bf8 26.Qxb7 Bxd6 27.Bxh6 Ng4 28.Bg5 Rb8
29.Qf3 Rxb2 30.Nxf5 gxf5 31.Qxf5 Qe5 32.Qxe5 Bxe5 33.f3 Bd4+
34.Kh1 Nf2+ 35.Kh2 Rxa2 36.Rc4 Bg7 37.Be3 Nd3 38.Kh3 a5 39.g4
Ne5 40.Rc8+ Kh7 41.Rc7 Ra3 42.Bd4 Rxf3+ 43.Kg2 Rf4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "John A Grefe"]
[Black "Joseph M Bradford"]
[ECO "C19"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "41"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Nf3
Ne7 8.a4 b6 9.Bb5+ Bd7 10.Bd3 Nbc6 11.O-O h6 12.Re1 O-O 13.Ba3
Na5 14.dxc5 bxc5 15.Nd4 Ng6 16.Bxg6 fxg6 17.Nb3 Nxb3 18.cxb3
Rf5 19.Qd3 g5 20.Qe3 Rc8 21.Rab1 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1/2-1/2"]
[White "Boris Markovich Kogan"]
[Black "Douglas Root"]
[ECO "E80"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "94"]

1.c4 Nf6 2.d4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 b6 6.Bd3 Bb7 7.Nge2 c5
8.d5 a6 9.a4 Nbd7 10.Bc2 Qc7 11.Bg5 h6 12.Bh4 g5 13.Bf2 Ne5
14.b3 Ng6 15.O-O Nd7 16.Qd2 O-O-O 17.a5 bxa5 18.Ra2 Nde5
19.Rfa1 h5 20.Rxa5 h4 21.h3 Qd7 22.Qe3 Kb8 23.Na4 Nxf3+
24.Qxf3 Bxa1 25.Nxc5 dxc5 26.Rxa1 g4 27.Qxg4 Qxg4 28.hxg4 Rc8
29.Ra5 h3 30.gxh3 Rxh3 31.Kg2 Rch8 32.Bg3+ Ka7 33.Rxc5 f6
34.Rc7 Kb8 35.Rc5+ Ka8 36.Ng1 R3h6 37.Rc7 Bc8 38.Bd1 R6h7
39.b4 e6 40.Rxh7 Rxh7 41.Nh3 Rb7 42.Bd6 Ne5 43.Be2 exd5
44.cxd5 Bxg4 45.Bxa6 Rb6 46.Bxe5 fxe5 47.Nf2 Bh5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1-0"]
[White "Vincent McCambridge"]
[Black "Gudmundur Sigurjonsson"]
[ECO "B99"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "73"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4
Be7 8.Qf3 Qc7 9.O-O-O Nbd7 10.g4 b5 11.Bxf6 Nxf6 12.g5 Nd7
13.f5 Nc5 14.f6 gxf6 15.gxf6 Bf8 16.Qh5 b4 17.Nd5 Qa5 18.Kb1
Bd7 19.Bh3 O-O-O 20.Ne7+ Kb7 21.e5 d5 22.Qxf7 Be8 23.Nec6+
Bxf7 24.Nxa5+ Kb6 25.Nac6 Re8 26.Nxb4 Ne4 27.Nd3 Bh6 28.c3 Bh5
29.Bxe6 Bxd1 30.Rxd1 Nc5 31.Nxc5 Kxc5 32.b4+ Kb6 33.Rf1 Rhf8
34.f7 Re7 35.Bxd5 Rxe5 36.Rf6+ Kc7 37.Rxh6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1-0"]
[White "John A Peters"]
[Black "Robert M Sulman"]
[ECO "C60"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "27"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 4.c3 d6 5.d4 Bd7 6.O-O Qe7 7.Re1
Bg7 8.a3 Nf6 9.Nbd2 O-O 10.Bc4 Nh5 11.Nb3 Bg4 12.Be3 exd4
13.Nbxd4 Qxe4 14.Bg5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.02"]
[EventDate "1981.??.??"]
[Round "5"]
[Result "1-0"]
[White "Yasser Seirawan"]
[Black "Helmut Pfleger"]
[ECO "A10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "101"]

1.c4 d6 2.Nc3 e5 3.d4 exd4 4.Qxd4 Nc6 5.Qd2 g6 6.b3 Bg7 7.Bb2
Nf6 8.g3 O-O 9.Nh3 Bf5 10.Bg2 Re8 11.Nf4 Ne4 12.Nxe4 Bxe4
13.f3 Bf5 14.Bxg7 Kxg7 15.Qc3+ f6 16.e4 Be6 17.O-O Qe7 18.Nd5
Bxd5 19.cxd5 Nd8 20.Rac1 c5 21.dxc6 bxc6 22.Rfd1 Rc8 23.b4 Nf7
24.b5 c5 25.Rd5 c4 26.f4 Qc7 27.a4 a6 28.Kh1 axb5 29.Rxb5 Qa7
30.Rb4 Rc5 31.Rxc4 Rec8 32.Qd3 Rxc4 33.Rxc4 Rb8 34.Qc2 Qe3
35.Qc1 Qd3 36.Bf1 Qf3+ 37.Kg1 d5 38.Rc7 Rb3 39.exd5 Qe4 40.Qd2
Rb4 41.a5 Rd4 42.Qg2 Qe1 43.Qf2 Qa1 44.a6 Rd1 45.a7 Rxd5
46.Kg2 Qa5 47.Bc4 Rd2 48.Rxf7+ Kh6 49.Be2 Qd5+ 50.Kg1 Ra2
51.Re7 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.03"]
[EventDate "1981.??.??"]
[Round "?"]
[Result "1/2-1/2"]
[White "James A Thinnsen"]
[Black "Ian Duncan Wells"]
[ECO "E17"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "192"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 O-O 7.d5
Bb4 8.Bd2 c6 9.O-O cxd5 10.Nh4 Na6 11.Bg5 h6 12.Bxf6 Qxf6
13.cxd5 Bxc3 14.bxc3 Nc5 15.Qd4 Rac8 16.e4 Qxd4 17.cxd4 Nd3
18.Rfd1 Nb2 19.Rdb1 Na4 20.Rb4 Nc3 21.dxe6 dxe6 22.e5 Bd5
23.Bxd5 Nxd5 24.Rb2 Rc4 25.Rd1 Rfc8 26.Kf1 Kf8 27.Ng2 Rc2
28.Rd2 Rc1+ 29.Ke2 R8c3 30.Ne3 Nxe3 31.fxe3 Rh1 32.Kf3 Re1
33.Re2 Rec1 34.Ke4 Ke7 35.Rf2 Rc7 36.g4 R7c6 37.Rf3 R6c2
38.Rf2 Rxf2 39.Rxf2 Rg1 40.h3 Rc1 41.Kd3 a6 42.a4 Ra1 43.Rb2
Rxa4 44.Rxb6 g6 45.e4 Ra3+ 46.Kc4 Re3 47.Rxa6 Rxe4 48.Ra3 Re1
49.Rf3 Rd1 50.Kc3 Kf8 51.Rf4 Ra1 52.Kb2 Rh1 53.Rf3 Rd1 54.Kc3
Kg7 55.Kc4 g5 56.Kc3 Ra1 57.Kc4 Ra7 58.Kc5 Ra4 59.Kd6 Rxd4+
60.Ke7 Rf4 61.Rd3 Kg6 62.Rg3 h5 63.Rg2 Rf3 64.Rh2 h4 65.Re2
Kg7 66.Re1 Kg8 67.Rh1 Kg7 68.Re1 Rf2 69.Re3 Rf4 70.Re2 Ra4
71.Rf2 Ra7+ 72.Ke8 Kg8 73.Rf3 Rb7 74.Rf2 Rb5 75.Ke7 Rb4 76.Rf1
Rb3 77.Rf2 Rb4 78.Rf1 Rf4 79.Re1 Rf3 80.Rh1 Kg7 81.Re1 Kg6
82.Re2 Ra3 83.Rf2 Ra7+ 84.Ke8 f5 85.exf6 Rf7 86.Re2 Rxf6
87.Ke7 Rf7+ 88.Kxe6 Rf3 89.Rh2 Re3+ 90.Kd6 Kf6 91.Rf2+ Kg6
92.Rh2 Ra3 93.Ke6 Re3+ 94.Kd5 Rd3+ 95.Ke6 Rb3 96.Rh1 Re3+
1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Bent Larsen"]
[Black "Yasser Seirawan"]
[ECO "B18"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "127"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nf3 Nd7
7.Be2 e6 8.O-O h6 9.c4 Ngf6 10.b3 Be7 11.Bb2 O-O 12.Bd3 Bxd3
13.Qxd3 a5 14.a4 Bb4 15.Rfd1 Qe7 16.Nf1 Rad8 17.Qc2 c5 18.d5
exd5 19.cxd5 Nb6 20.d6 Rxd6 21.Rxd6 Qxd6 22.Rd1 Qe6 23.Ne3 Re8
24.h3 Nbd5 25.Nf5 Qe2 26.Qxe2 Rxe2 27.Bxf6 Nxf6 28.Rd8+ Re8
29.Rxe8+ Nxe8 30.Kf1 f6 31.g4 Kf7 32.h4 Ke6 33.h5 Kd5 34.Ke2
Nc7 35.Nxg7 c4 36.bxc4+ Kxc4 37.Nf5 Bf8 38.N3h4 b5 39.axb5
Nxb5 40.Ne3+ Kc3 41.Nd5+ Kb3 42.Kd3 a4 43.Nf3 Bb4 44.Nxb4 Kxb4
45.Nd2 Nd4 46.Nb1 Nf3 47.Ke3 Ne5 48.Kf4 Kb3 49.g5 hxg5+ 50.Kf5
Kb2 51.Na3 Kxa3 52.h6 Nf7 53.h7 Kb4 54.Kxf6 Nh8 55.Kg7 a3
56.Kxh8 a2 57.Kg8 a1=Q 58.h8=Q Qa2+ 59.Kh7 Qxf2 60.Qb8+ Kc4
61.Qg8+ Kc3 62.Qxg5 Qf7+ 63.Qg7+ Qxg7+ 64.Kxg7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "0-1"]
[White "Nick DeFirmian"]
[Black "Lev Alburt"]
[ECO "B05"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "136"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Be7 7.h3
Bh5 8.c4 Nb6 9.Nc3 O-O 10.Be3 d5 11.c5 Bxf3 12.gxf3 Nc8 13.f4
g6 14.Kh2 Bh4 15.f5 exf5 16.Qb3 Ne7 17.Qxb7 Nbc6 18.f4 Rb8
19.Qa6 Rxb2 20.Rab1 Qb8 21.Qa3 Rb4 22.Rxb4 Qxb4 23.Qxb4 Nxb4
24.Bg1 Rb8 25.Rb1 Nbc6 26.Rxb8+ Nxb8 27.Nb5 c6 28.Nd6 Be1
29.Kg2 Kf8 30.Bf2 Bxf2 31.Kxf2 Ng8 32.a4 Ke7 33.a5 Ke6 34.Nc8
a6 35.Nd6 f6 36.Ke3 Ke7 37.Bd3 h5 38.Be2 h4 39.Bd3 Nh6 40.Kf3
Ke6 41.exf6 Kxf6 42.Ne8+ Ke7 43.Nc7 Nf7 44.Nxa6 Nxa6 45.Bxa6
Kd7 46.Ke3 Kc7 47.Kf3 Nd8 48.Bf1 Kb8 49.Ke3 Ka7 50.Kd2 Nb7
51.a6 Nd8 52.Be2 Ne6 53.Ke3 Nc7 54.Bf1 Nxa6 55.Kd3 Kb7 56.Kc3
Nc7 57.Kd2 Kc8 58.Ke3 Kd7 59.Be2 Ne6 60.Bd3 Ke7 61.Ba6 g5
62.fxg5 Nxg5 63.Kf4 Nxh3+ 64.Kxf5 Ng1 65.Kf4 h3 66.Bf1 h2
67.Bg2 Ne2+ 68.Ke3 Ng3 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "0-1"]
[White "Ian Duncan Wells"]
[Black "Joel Benjamin"]
[ECO "B13"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "66"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 g6 6.Bf4 Nf6 7.Nd2
Bf5 8.Bxf5 gxf5 9.Qb3 Qd7 10.O-O-O Rg8 11.Ngf3 Rxg2 12.Bg3 f4
13.Nh4 fxg3 14.Nxg2 gxf2 15.Kb1 Bh6 16.Nf1 Qf5+ 17.Ka1 O-O-O
18.Ng3 Qh3 19.Qc2 Qxg2 20.Qf5+ Kb8 21.Rdf1 Be3 22.b4 Ne4 23.b5
e6 24.Qh5 Nxd4 25.Qe5+ Ka8 26.cxd4 f6 27.Qc7 Bxd4+ 28.Kb1 Nd2+
29.Kc1 Bb6 30.Qf4 Nxf1+ 31.Rxf1 Qxh2 32.Kb1 Rc8 33.a4 Bc7 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1-0"]
[White "Arthur Bisguier"]
[Black "John A Grefe"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "77"]

1.Nf3 Nf6 2.e3 g6 3.b4 d6 4.d4 Bg7 5.Bb2 O-O 6.Be2 Nfd7 7.c4
e5 8.Nc3 f5 9.dxe5 Nxe5 10.Nxe5 Bxe5 11.f4 Bg7 12.Kf2 Re8
13.Qd2 Be6 14.Nb5 Bxb2 15.Qxb2 Nd7 16.Rhd1 Bf7 17.g3 a5 18.a3
Nf6 19.Nc3 Qe7 20.Qd2 Rad8 21.Rab1 axb4 22.axb4 c5 23.bxc5
dxc5 24.Qc1 Rxd1 25.Nxd1 Ne4+ 26.Kg1 Rd8 27.Rb2 h5 28.Nf2 Nd6
29.Rb6 Re8 30.Bf1 Qc7 31.Rb2 Ra8 32.Rc2 Qe7 33.Nd3 Ne4 34.Ne5
h4 35.Bg2 hxg3 36.Bxe4 gxh2+ 37.Rxh2 fxe4 38.Qb2 Ra6 39.Rh8+
1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "0-1"]
[White "Roman Dzindzichashvili"]
[Black "Michael A Brooks"]
[ECO "E67"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "126"]

1.Nf3 Nf6 2.d4 g6 3.c4 Bg7 4.Nc3 O-O 5.g3 d6 6.Bg2 Nbd7 7.O-O
e5 8.e4 c6 9.Qc2 a5 10.Rd1 Re8 11.h3 exd4 12.Nxd4 Qe7 13.Bf4
Ne5 14.Na4 Nh5 15.Be3 Nd7 16.Nb3 c5 17.Nc3 Ne5 18.Nd5 Qd8
19.Nf4 Qe7 20.Nd5 Qd8 21.Rd2 a4 22.Nxc5 dxc5 23.Bxc5 Nd7
24.Ba3 Bf8 25.Bxf8 Nxf8 26.Qc3 Nd7 27.Rad1 Nhf6 28.c5 Nxd5
29.Rxd5 Qe7 30.f4 Ra6 31.Qd4 Rc6 32.Qxa4 Nxc5 33.Qd4 Qc7 34.e5
Ne6 35.Qe4 b6 36.Qe3 Bb7 37.Rd6 Rc2 38.R1d2 Bxg2 39.Kxg2 Rxd2+
40.Qxd2 Rd8 41.Rxd8+ Qxd8 42.Qxd8+ Nxd8 43.Kf3 Kf8 44.Ke4 Ke7
45.Kd5 Kd7 46.b4 Ne6 47.a4 Nc7+ 48.Kd4 Kc6 49.g4 b5 50.axb5
Nxb5+ 51.Kc4 Nc7 52.f5 gxf5 53.gxf5 Nb5 54.h4 h5 55.f6 Nc7
56.Kd4 Kb5 57.e6 Nxe6+ 58.Ke5 Nf8 59.Kf5 Nh7 60.Ke5 Kxb4
61.Kd6 Nxf6 62.Ke7 Ne4 63.Kxf7 Kc4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1-0"]
[White "John Fedorowicz"]
[Black "Samuel Reshevsky"]
[ECO "C91"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "89"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3
d6 8.c3 O-O 9.d4 Bg4 10.d5 Na5 11.Bc2 c6 12.h3 Bc8 13.dxc6 Qc7
14.Nbd2 Qxc6 15.Nf1 Nc4 16.Ng3 g6 17.b3 Nb6 18.Bh6 Re8 19.Qd2
Kh8 20.Ng5 Be6 21.Nxe6 fxe6 22.Bg5 Qc7 23.Re3 Rad8 24.Rf3 Ng8
25.Rd1 Bxg5 26.Qxg5 Rf8 27.Rfd3 d5 28.Qd2 Nf6 29.Qe2 Nbd7
30.Re3 Qb6 31.h4 d4 32.Rf3 dxc3 33.Rxc3 b4 34.Rf3 h6 35.Bd3
Nc5 36.Bc4 Ng4 37.Rf1 a5 38.Qc2 Qd6 39.Be2 Rfe8 40.Rc1 Rc8
41.Rd1 Qe7 42.Nf1 Na4 43.Bc4 Nc3 44.Rdd3 Nxe4 45.Rd1 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Dimitri Gurevich"]
[Black "Perry Youngworth"]
[ECO "B12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "67"]

1.e4 c6 2.d4 d5 3.e5 c5 4.dxc5 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.e6
fxe6 8.Nf3 Nf6 9.O-O g6 10.Be3 Bg7 11.Bd4 O-O 12.Re1 Ne4
13.Bxg7 Kxg7 14.Nc3 Kg8 15.Qd4 Qc7 16.Nxe4 dxe4 17.Qe5 Qxe5
18.Nxe5 Rad8 19.Nxc6 bxc6 20.Kf1 Rd4 21.c3 Rc4 22.Rad1 Rb8
23.Rd2 a5 24.Ke2 Rb5 25.Ke3 Rcxc5 26.a4 Rb7 27.Ree2 e5 28.Kxe4
Rc4+ 29.Kxe5 Rxa4 30.f3 Kf7 31.Rd4 Ra2 32.Rdd2 Ra4 33.Re4 Ra2
34.Ree2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1-0"]
[White "Gennady Sosonko"]
[Black "Igor Vasilievich Ivanov"]
[ECO "E15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "77"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Nbd2 Bb7 6.Bg2 c5 7.e4
cxd4 8.e5 Ng4 9.O-O h5 10.h3 Nh6 11.Nxd4 Bxg2 12.Kxg2 Bc5
13.N2b3 Bxd4 14.Nxd4 Qc8 15.Bxh6 Rxh6 16.Nb5 Qc6+ 17.Kh2 Na6
18.Qd2 Nc7 19.Nd6+ Kf8 20.Rad1 Ne8 21.Nxe8 Kxe8 22.Qg5 Rh7
23.Rd4 Rd8 24.Rfd1 Qc5 25.h4 Qe7 26.Qd2 f6 27.f4 fxe5 28.fxe5
g5 29.Rf1 gxh4 30.gxh4 Rf7 31.Rdf4 Rxf4 32.Qxf4 d5 33.Qg3 Kd7
34.cxd5 exd5 35.Rc1 Qh7 36.e6+ Kxe6 37.Rc6+ Ke7 38.Qe5+ Kf8
39.Qf6+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Vincent McCambridge"]
[Black "Borislav Ivkov"]
[ECO "E15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "77"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 d5 6.Bg2 Bb4+ 7.Bd2
Be7 8.O-O c6 9.Bc3 Ne4 10.Bb2 Nd7 11.Nbd2 f5 12.Qc2 Rc8 13.a4
O-O 14.Rfe1 Bb4 15.Ba3 Bxa3 16.Rxa3 Qe7 17.Raa1 Qb4 18.a5 b5
19.c5 Nxd2 20.Qxd2 Qxd2 21.Nxd2 e5 22.dxe5 Nxe5 23.Nf3 Nxf3+
24.Bxf3 Rce8 25.Rad1 Bc8 26.Rd4 g5 27.h4 h6 28.hxg5 hxg5 29.e3
Kg7 30.Kf1 Rh8 31.Ke2 Be6 32.b4 Bf7 33.Rh1 Rxh1 34.Bxh1 Rh8
35.Bg2 Kf6 36.f3 Bg6 37.Kf2 Ke5 38.f4+ Kf6 39.Rd1 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1-0"]
[White "Ivars Dahlberg"]
[Black "Karl Burger"]
[ECO "A19"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "53"]

1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.Nf3 Nc6 6.d4 cxd4 7.Nxd4
Nxe5 8.Qa4 Qb6 9.Ndb5 a6 10.Be3 Qc6 11.Bd4 f6 12.f4 axb5
13.Qxa8 Nxc4 14.Nxb5 Bb4+ 15.Kf2 Ne7 16.Qa4 Nd5 17.Bxc4 Nxf4
18.Qxb4 Qxg2+ 19.Ke3 Qh3+ 20.Kd2 Qg2+ 21.Kc3 Qf3+ 22.Kc2 d5
23.Nd6+ Kd7 24.Bb5+ Kc7 25.Rhf1 Qg2+ 26.Rf2 Qg6+ 27.Kb3 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Larry Christiansen"]
[Black "Viktor Korchnoi"]
[ECO "A07"]
[WhiteElo "2515"]
[BlackElo "2650"]
[PlyCount "69"]

1. g3 e5 2. Bg2 d5 3. d3 c6 4. Nf3 Nd7 5. O-O Bd6 6. Nc3 Ne7
7. e4 d4 8. Ne2 h6 9. Nd2 Nb6 10. f4 f6 11. fxe5 fxe5 12. c3
dxc3 13. bxc3 Be6 14. Nf3 O-O 15. Be3 Rf6 16. a4 Qc7 17. a5
Nd7 18. d4 Rd8 19. Qa4 Qb8 20. dxe5 Nxe5 21. Nxe5 Bxe5 22. Nd4
Bf7 23. Qb4 Bd6 24. Qb2 Rxf1+ 25. Rxf1 Bc5 26. Kh1 b6 27. axb6
axb6 28. Bf4 Qc8 29. Nb3 Bd6 30. Bxd6 Rxd6 31. Nd4 Rg6 32. Nf5
Nxf5 33. exf5 Rf6 34. Qxb6 Rxf5 35. Rxf5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Sergey Kudrin"]
[Black "Daniel Campora"]
[ECO "C09"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "121"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6 6.Bb5 Bd6
7.dxc5 Bxc5 8.O-O Nge7 9.Nb3 Bb6 10.Bg5 O-O 11.Qd2 h6 12.Be3
Bg4 13.Nfd4 Qd6 14.Kh1 Rad8 15.Bd3 Ne5 16.Nb5 Qf6 17.Bxb6 Qxb6
18.N5d4 Qf6 19.Rae1 N7c6 20.c3 Nc4 21.Qc1 N6e5 22.Bb1 Bc8
23.Re2 Rfe8 24.Nd2 Ng4 25.Rxe8+ Rxe8 26.Nxc4 dxc4 27.Kg1 Qd6
28.Nf3 Ne5 29.Nd4 Ng4 30.g3 Qe5 31.f3 Nf6 32.Kf2 Qh5 33.Kg1
Qe5 34.Kf2 Kf8 35.Re1 Qh5 36.Kg1 Re5 37.Rxe5 Qxe5 38.Kf2 Bd7
39.Qe3 Qh5 40.Kg1 Qd5 41.Qf4 a6 42.Bc2 Ke7 43.Qc7 g6 44.Bd1 h5
45.Be2 b5 46.a4 Qd6 47.Qb7 h4 48.Kf2 hxg3+ 49.hxg3 bxa4
50.Bxc4 a5 51.Qa7 a3 52.bxa3 Qxa3 53.Nb5 Qb2+ 54.Be2 Kf8
55.Qxa5 Bxb5 56.Qxb5 Qxc3 57.Qc4 Qe5 58.f4 Qb2 59.Kg1 Kg7
60.Bf3 Ne8 61.Qc5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1-0"]
[White "Anatoly Lein"]
[Black "William James Lombardy"]
[ECO "E10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "73"]

1.d4 Nf6 2.Nf3 c5 3.d5 b5 4.c4 e6 5.Bg5 bxc4 6.Nc3 Qb6 7.Bxf6
gxf6 8.Qd2 Na6 9.e4 Rg8 10.g3 Rb8 11.Rb1 Qb4 12.a3 Qb3 13.Qc1
Qb6 14.Bxc4 Nc7 15.O-O Rg6 16.Rd1 Ba6 17.b3 Bc8 18.Qd2 Qa5
19.dxe6 fxe6 20.Nd5 Qxd2 21.Nxc7+ Kd8 22.Nxe6+ dxe6 23.Rxd2+
Kc7 24.Rbd1 Be7 25.Nh4 Rg7 26.Ng2 Rb6 27.Nf4 Bd6 28.Nxe6+ Bxe6
29.Bxe6 Bxg3 30.Rd7+ Rxd7 31.Rxd7+ Kb8 32.Bc4 Rd6 33.Rxh7 Rd1+
34.Kg2 Be5 35.h4 Bd4 36.Rh5 Rd2 37.Rf5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Bozidar Ivanovic"]
[Black "Oleg Romanishin"]
[ECO "B46"]
[WhiteElo "2490"]
[BlackElo "2595"]
[PlyCount "105"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Bf4 d6
7. Bg3 Be7 8. Be2 e5 9. Nb3 Nf6 10. Bh4 O-O 11. Bxf6 Bxf6
12. Bg4 Be6 13. Nd5 Nd4 14. Nxd4 Bxd5 15. exd5 exd4 16. O-O
Qa5 17. Bf3 Rac8 18. Be4 g6 19. a3 Rfe8 20. b4 Qa4 21. Bd3 Rc3
22. Qg4 Kg7 23. h4 h5 24. Qg3 Qd7 25. Qf4 Re5 26. a4 Rxd5
27. g3 Re5 28. a5 Qc6 29. Rab1 Re7 30. Rfe1 Re5 31. Qd2 Qf3
32. Qd1 Qd5 33. b5 axb5 34. Rxe5 dxe5 35. Rxb5 Qc6 36. Rb6 Qd5
37. Rb5 Rc5 38. Rxc5 Qxc5 39. Qf3 Bd8 40. Qxb7 Bxa5 41. Be4
Bc7 42. Kg2 f5 43. Qc6 Qe7 44. Bd5 Bd6 45. Qc8 Qf6 46. Qd7+
Be7 47. f3 Qf8 48. Qc7 Qf6 49. Qd7 Kh6 50. Qe6 Qxe6 51. Bxe6
Kg7 52. Bd5 Kf6 53. Bc6 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Pal Benko"]
[Black "Leonid Alexandrovich Shamkovich"]
[ECO "A34"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "29"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.g3 Nc6 6.Bg2 g6 7.O-O
Bg7 8.Nxd5 Qxd5 9.d3 O-O 10.Qa4 Qd6 11.Be3 Bd7 12.Qh4 Nd4
13.Nxd4 cxd4 14.Bh6 Rac8 15.Bxg7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Kamran Shirazi"]
[Black "Svetozar Gligoric"]
[ECO "D32"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "87"]

1.d4 d5 2.c4 e6 3.Nf3 c5 4.cxd5 exd5 5.Nc3 Nc6 6.dxc5 d4 7.Na4
Bxc5 8.Nxc5 Qa5+ 9.Qd2 Qxc5 10.e3 dxe3 11.Qxe3+ Qxe3+ 12.Bxe3
Nge7 13.Nd4 O-O 14.Bb5 Nxd4 15.Bxd4 a6 16.Ba4 b5 17.Bb3 Nf5
18.Bd5 Nxd4 19.Bxa8 Bf5 20.Bb7 Nc2+ 21.Ke2 Re8+ 22.Kf3 Nxa1
23.Rxa1 a5 24.Rc1 Be6 25.Rc5 Rb8 26.Bd5 Bd7 27.Rc7 Rd8 28.Ke3
Kf8 29.a3 a4 30.Rb7 Be8 31.Be4 h6 32.g3 Rd6 33.Bd3 Rd5 34.Kd2
Bd7 35.Kc3 Ke7 36.Be4 Rc5+ 37.Kd4 Rc4+ 38.Ke5 f6 39.Kd5 Kd8
40.Kd6 Bc8 41.Re7 Rd4+ 42.Kc5+ Rc4+ 43.Kd6 Rd4+ 44.Kc5+
1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1-0"]
[White "James Tarjan"]
[Black "Lev Gutman"]
[ECO "B81"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "43"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 a6 7.g5
Nfd7 8.Be3 Nc6 9.f4 Qc7 10.Qe2 Nxd4 11.Bxd4 b5 12.a3 Rb8
13.O-O-O b4 14.axb4 Rxb4 15.Bg2 Qa5 16.Kb1 e5 17.Be3 d5
18.Rxd5 Rxb2+ 19.Kxb2 Ba3+ 20.Ka2 Nc5 21.Qc4 Bb4 22.Na4 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Jon Loftur Arnason"]
[Black "Vitaly F Zaltsman"]
[ECO "B62"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "93"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd3
a6 8.Rd1 Be7 9.Be2 Nxd4 10.Qxd4 Bd7 11.O-O Bc6 12.Kh1 Qc7
13.f4 Rd8 14.Rd3 O-O 15.Rg3 Kh8 16.f5 e5 17.Bxf6 Bxf6 18.Qd2
b5 19.Rd3 Rc8 20.a3 a5 21.b4 Rfd8 22.Rb1 h6 23.Rh3 Kg8 24.Bxb5
axb4 25.Rxb4 Bxb5 26.Rxb5 Bg5 27.Qd1 Qa7 28.a4 Rc4 29.Rd5 Rdc8
30.Nb5 Qxa4 31.c3 Qxd1+ 32.Rxd1 Rxe4 33.Nxd6 Rd8 34.Rhd3 Re2
35.g3 e4 36.Rd5 Ra8 37.h4 Be3 38.Nc4 Raa2 39.Nxe3 Rxe3 40.Re5
Rxc3 41.Rxe4 Rxg3 42.Rd8+ Kh7 43.Ree8 g5 44.Rh8+ Kg7 45.Rdg8+
Kf6 46.Rxh6+ Kxf5 47.Rxg5+ 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1-0"]
[White "Artur Yusupov"]
[Black "Andrew Soltis"]
[ECO "A42"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "55"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 c6 5.Be3 Nh6 6.h3 f5 7.Qd2 Nf7
8.exf5 gxf5 9.Nge2 O-O 10.d5 Na6 11.Nf4 Nc5 12.Be2 e5 13.dxe6
Nxe6 14.Nh5 Bh8 15.g4 Ng7 16.O-O-O Nxh5 17.gxh5 Bf6 18.Bd4 Qe7
19.f4 Re8 20.Rhg1+ Kh8 21.Bf3 Be6 22.Rde1 Rad8 23.Bd5 Ne5
24.fxe5 dxe5 25.Rxe5 cxd5 26.Nxd5 Rxd5 27.cxd5 Qc7+ 28.Qc3 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Peter Biyiasas"]
[Black "Johann Hjartarson"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "84"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 g6 4.O-O Bg7 5.d3 d6 6.Nc3 e6 7.e4
Nge7 8.Bg5 h6 9.Be3 O-O 10.Qd2 Kh7 11.Nh4 b6 12.f4 f5 13.exf5
exf5 14.Nf3 Bb7 15.Rfe1 Ng8 16.Bf2 Nf6 17.h3 Qd7 18.Re2 Rae8
19.Rae1 Nd8 20.Nd1 Bc6 21.Rxe8 Rxe8 22.Rxe8 Qxe8 23.Qe1 Qf7
24.b3 Nd5 25.a3 a5 26.d4 Nf6 27.dxc5 Qb7 28.Nh4 Bxg2 29.Nxg2
dxc5 30.Nc3 Nc6 31.Qe6 Nd4 32.Bxd4 cxd4 33.Ne2 Qf3 34.Kh2 Ne4
35.Qxg6+ Kh8 36.Qe8+ Kh7 37.Qb5 Nd2 38.Qxf5+ Kh8 39.Qc8+ Kh7
40.Qf5+ Kh8 41.Qc8+ Kh7 42.Qf5+ Kh8 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Joseph M Bradford"]
[Black "John A Peters"]
[ECO "E12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "132"]

1.Nf3 Nf6 2.c4 b6 3.Nc3 Bb7 4.d4 e6 5.a3 d5 6.cxd5 exd5 7.Bg5
Nbd7 8.e3 Be7 9.Be2 O-O 10.O-O Ne4 11.Bxe7 Qxe7 12.Rc1 c5
13.Qa4 a6 14.dxc5 Ndxc5 15.Qd1 Rfd8 16.Nd4 Qf6 17.Bg4 a5 18.b4
axb4 19.axb4 Na6 20.Qe1 Nd6 21.Nce2 Nc4 22.Nf4 Ne5 23.Be2 Qe7
24.Bxa6 Bxa6 25.b5 Bb7 26.Qe2 Rdc8 27.Rxc8+ Rxc8 28.Ra1 g6
29.h3 h5 30.Nd3 Nc4 31.Qf3 Nd2 32.Qf4 Rc3 33.Qe5 Qxe5 34.Nxe5
Bc8 35.Ndf3 Nxf3+ 36.Nxf3 Bd7 37.Ra6 Bxb5 38.Rxb6 Rc5 39.h4
Kg7 40.Rb7 Be8 41.Kh2 Rc6 42.Kg3 Re6 43.Ng5 Rd6 44.f3 Bd7
45.Kf4 f6 46.Ne6+ Rxe6 47.Rxd7+ Kf8 48.Rxd5 Ra6 49.g4 hxg4
50.fxg4 Ra1 51.g5 Rf1+ 52.Ke4 Ke7 53.Ra5 fxg5 54.hxg5 Rg1
55.Ra7+ Ke6 56.Ra6+ Kf7 57.Ra5 Ke6 58.Rb5 Rg4+ 59.Kf3 Rg1
60.e4 Rf1+ 61.Kg3 Rg1+ 62.Kf2 Ra1 63.Rb6+ Ke5 64.Rxg6 Kxe4
65.Rf6 Ra5 66.g6 Rg5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "John William Donaldson"]
[Black "Helmut Pfleger"]
[ECO "B08"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "68"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O c6 7.a4 a5
8.h3 Na6 9.Be3 Nb4 10.Qd2 d5 11.e5 Ne8 12.Nd1 f6 13.c3 Na6
14.Bh6 Nac7 15.Bxg7 Nxg7 16.exf6 exf6 17.Ne3 Nh5 18.Rfe1 Be6
19.Bd3 Nf4 20.Bc2 Qd6 21.Nf1 Ne8 22.Ng3 Ng7 23.Re3 Rae8
24.Rae1 Re7 25.Ne2 Ngh5 26.Nxf4 Nxf4 27.Kh1 Rfe8 28.Ng1 Nh5
29.Ne2 Bf5 30.Rxe7 Qxe7 31.Bxf5 gxf5 32.Kg1 Kf7 33.Kf1 Qc7
34.Qh6 Ng7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1-0"]
[White "Yehuda Gruenfeld"]
[Black "John L Watson"]
[ECO "C05"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "73"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.c3 c5 6.Bd3 Nc6 7.Ne2
Qb6 8.Nf3 cxd4 9.cxd4 f6 10.exf6 Nxf6 11.O-O Bd6 12.Nc3 O-O
13.Be3 Bd7 14.a3 Be8 15.Ne5 Bxe5 16.dxe5 Qxb2 17.exf6 Qxc3
18.fxg7 Qxg7 19.f4 Rd8 20.Rc1 Bg6 21.Rc5 Rf6 22.Rf2 Qe7
23.Rfc2 d4 24.Bc1 Bxd3 25.Qxd3 e5 26.fxe5 Nxe5 27.Qg3+ Ng6
28.Rc7 Qd6 29.Bg5 d3 30.Bxf6 Qxf6 31.Rf2 Qb6 32.Rc1 d2 33.Rd1
Re8 34.Qc3 Ne5 35.Qxd2 Rf8 36.Qd5+ Rf7 37.Rdf1 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "0-1"]
[White "Jean Hebert"]
[Black "Nigel Rodney Davies"]
[ECO "B10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "64"]

1.e4 c6 2.f4 d5 3.e5 c5 4.Nf3 Nc6 5.d3 Bg4 6.h3 Bxf3 7.Qxf3 e6
8.c3 f6 9.exf6 Nxf6 10.g4 Bd6 11.Bg2 O-O 12.O-O Ne8 13.Na3 Nc7
14.Bd2 Qd7 15.Rae1 Rf7 16.c4 Raf8 17.cxd5 Nd4 18.Qd1 Bxf4
19.Bxf4 Rxf4 20.Rxf4 Rxf4 21.dxe6 Ncxe6 22.Nc4 Qd8 23.Re3 b5
24.Ne5 Qg5 25.Re1 Rf8 26.Re4 Nf4 27.Qe1 Qd8 28.Bf1 Qd5 29.Qa5
Ng6 30.Nxg6 Nf3+ 31.Kg2 hxg6 32.Qxb5 Qd6 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1-0"]
[White "Hans Ree"]
[Black "Ron W Henley"]
[ECO "D22"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "65"]

1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 Bg4 5.Bxc4 e6 6.Nc3 Nc6 7.d5
exd5 8.Bxd5 Nge7 9.Bxf7+ Kxf7 10.Ng5+ Ke8 11.Qxg4 h5 12.Qf4
Qd3 13.Bd2 Rh6 14.Qf7+ Kd7 15.O-O-O Ne5 16.Qb3 Rb6 17.Qa4+
N7c6 18.Be1 Bd6 19.Rxd3 Nxd3+ 20.Kc2 Nxe1+ 21.Rxe1 Rb4 22.Qa3
Rf8 23.Nf3 Rg4 24.Qb3 Rxg2 25.Ne4 Rxf3 26.Qxb7 Rfxf2+ 27.Nxf2
Rxf2+ 28.Kb1 Bxh2 29.Rc1 Ne7 30.Qxa6 Be5 31.Rd1+ Bd6 32.e4 Ng6
33.Rxd6+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1-0"]
[White "Gudmundur Sigurjonsson"]
[Black "Douglas Root"]
[ECO "A05"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "77"]

1.Nf3 Nf6 2.g3 g6 3.b4 a5 4.b5 Bg7 5.Bb2 d6 6.Bg2 e5 7.d3 O-O
8.O-O Nbd7 9.c4 Nc5 10.Nc3 Re8 11.Nd2 h5 12.Qc2 h4 13.Nd5 Bg4
14.Nb3 Nxd5 15.Bxd5 Rb8 16.Nxc5 dxc5 17.f4 c6 18.Bg2 h3 19.Bh1
exf4 20.Bxg7 fxg3 21.Bf3 gxh2+ 22.Kxh2 Qd6+ 23.Kh1 Bxf3+
24.Rxf3 Kxg7 25.Raf1 Re7 26.R1f2 Rbe8 27.bxc6 bxc6 28.Rxh3 Re3
29.Rhh2 Qd4 30.Qc1 a4 31.Qg1 R8e5 32.Qg2 a3 33.Qf1 f5 34.Qg2
Qa1+ 35.Rf1 Qxa2 36.Qg5 Rxe2 37.Rh6 Re6 38.Rg1 Kf7 39.Qd8 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "0-1"]
[White "David J Strauss"]
[Black "Victor J Frias Pablaza"]
[ECO "D46"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "48"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 c6 5.e3 Nbd7 6.Bd3 Bd6 7.O-O
O-O 8.e4 dxe4 9.Nxe4 Nxe4 10.Bxe4 h6 11.Bc2 e5 12.Qd3 f5 13.c5
Bc7 14.dxe5 Nxe5 15.Qb3+ Kh8 16.Re1 Be6 17.Qxe6 Nxf3+ 18.gxf3
Qh4 19.Bxf5 Rae8 20.Qxe8 Qxh2+ 21.Kf1 Qh1+ 22.Ke2 Rxe8+ 23.Be3
Qh5 24.Bd3 Bf4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Robert M Sulman"]
[Black "James A Thinnsen"]
[ECO "B23"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "90"]

1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bb5 Nd4 6.O-O Nxb5
7.Nxb5 Nf6 8.d3 O-O 9.Qe1 d6 10.Qh4 Bd7 11.Nc3 e6 12.f5 Ne8
13.Bg5 f6 14.fxg6 hxg6 15.e5 dxe5 16.Ne4 Bc6 17.Be3 b6 18.Qg4
Nc7 19.Qxg6 Qe8 20.Qg3 Qh5 21.Bd2 Rad8 22.Rae1 Nd5 23.a3 Ne7
24.h4 Nd5 25.Qh3 Rde8 26.Ng3 Qh7 27.h5 Nf4 28.Qg4 Qh6 29.Ne2
Qxh5 30.Qg3 Ng6 31.Kf2 e4 32.dxe4 Bxe4 33.Nf4 Nxf4 34.Rxe4 e5
35.Bxf4 exf4 36.Qxf4 f5 37.Rxe8 Rxe8 38.Re1 Rxe1 39.Kxe1 Qg4
40.Qb8+ Kh7 41.Kf2 Bxb2 42.Qh2+ Kg6 43.Qd6+ Kh5 44.Qh2+ Kg6
45.Qd6+ Kh5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "0-1"]
[White "Jay E Whitehead"]
[Black "Boris Markovich Kogan"]
[ECO "B40"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "70"]

1.e4 c5 2.Nf3 e6 3.b3 Nc6 4.Bb2 Nf6 5.e5 Nd5 6.Bb5 Qb6 7.Bc4
Nf4 8.O-O Be7 9.Re1 O-O 10.Nc3 f5 11.d4 Nxd4 12.Nxd4 cxd4
13.Na4 Qc6 14.Qf3 Qxf3 15.gxf3 Rb8 16.Bc1 Ng6 17.Bf1 b5 18.Nb2
Bb4 19.Re2 Bb7 20.Kg2 f4 21.Nd3 Bc3 22.Rb1 Nh4+ 23.Kh3 Nxf3
24.Bxf4 Ng1+ 25.Kg3 Nxe2+ 26.Bxe2 Rbc8 27.f3 Rf5 28.Rg1 Ba5
29.Bd1 g5 30.Kf2 h6 31.Bc1 Be4 32.Rxg5+ hxg5 33.Bd2 Bxd2 34.c3
Bxd3 35.Bc2 Bxc2 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1-0"]
[White "Michael Wilder"]
[Black "Vladimir Mikhailovich Liberzon"]
[ECO "A80"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "63"]

1.d4 f5 2.Bg5 c5 3.dxc5 Qa5+ 4.Nc3 e6 5.e4 fxe4 6.Qh5+ g6
7.Qh4 Bxc5 8.O-O-O Bxf2 9.g3 e3 10.Bd3 Nc6 11.Bxg6+ hxg6
12.Qxh8 Qxg5 13.Qxg8+ Ke7 14.Nge2 Qh6 15.Nf4 Ne5 16.Kb1 d6
17.Nxe6 Bxe6 18.Qxa8 Qh5 19.Qxb7+ Nd7 20.Ne4 Qf3 21.Qc6 Kd8
22.Qa4 e2 23.Rc1 Be3 24.Ng5 Bxg5 25.Qa5+ Kc8 26.Qxg5 Bh3
27.Rhe1 Ne5 28.Qf4 Bg2 29.Qxf3 Bxf3 30.b3 Ng4 31.c4 Nxh2
32.Kc2 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "0-1"]
[White "Pal Benko"]
[Black "Bent Larsen"]
[ECO "E08"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "93"]

1.Nf3 Nf6 2.g3 d5 3.c4 e6 4.Bg2 Be7 5.O-O O-O 6.d4 Nbd7 7.Qc2
c6 8.b3 b6 9.Bb2 Ba6 10.Nbd2 b5 11.c5 b4 12.Rfe1 Qc7 13.e3 Bb5
14.h3 Rfb8 15.a4 Ba6 16.Rac1 Rf8 17.Bf1 Bxf1 18.Kxf1 Rae8
19.Kg2 Bd8 20.Qd3 Qb7 21.Ne5 Bc7 22.f4 Kh8 23.Nxd7 Nxd7 24.e4
dxe4 25.Nxe4 h6 26.Qf3 f5 27.Nd6 Bxd6 28.cxd6 Nb8 29.d5 exd5
30.Qh5 Re4 31.Rxe4 fxe4 32.Qxh6+ Kg8 33.Qg5 Rc8 34.h4 c5
35.Kg1 e3 36.Qe5 Qf7 37.Qxe3 Nd7 38.Qf3 Re8 39.Kf2 Qe6 40.Rd1
d4 41.Bc1 Nf6 42.f5 Qxd6 43.Re1 Rxe1 44.Kxe1 Qe5+ 45.Kd1 Ne4
46.g4 d3 47.f6 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Lev Alburt"]
[Black "John William Donaldson"]
[ECO "D11"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "83"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Qc2 g6 5.Bf4 Bg7 6.e3 O-O 7.Nc3
Be6 8.Ng5 Bf5 9.Qb3 Qb6 10.h3 h6 11.Nf3 Nbd7 12.Be2 dxc4
13.Bxc4 Qxb3 14.Bxb3 g5 15.Bh2 c5 16.O-O cxd4 17.Nxd4 Bg6
18.Nd5 Nxd5 19.Bxd5 e5 20.Nb3 Rab8 21.Na5 Nb6 22.Bxb7 Nc4
23.Nxc4 Rxb7 24.Rfd1 f6 25.b3 Ra8 26.f4 exf4 27.exf4 Bf8
28.fxg5 hxg5 29.Bd6 Bf7 30.Bxf8 Bxc4 31.Bc5 Be6 32.Rd6 Kf7
33.Re1 Re8 34.Ra6 f5 35.Bxa7 g4 36.hxg4 fxg4 37.Bd4 Rd7
38.Rf1+ Kg8 39.Rf4 Rd5 40.Kf2 Rg5 41.Kg3 Bf7 42.Rh6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "0-1"]
[White "Joel Benjamin"]
[Black "Peter Biyiasas"]
[ECO "E97"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "80"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O
Nc6 8.d5 Ne7 9.b4 Nh5 10.c5 Nf4 11.Bxf4 exf4 12.Rc1 Bg4 13.Nd2
Bxe2 14.Qxe2 g5 15.Qh5 Ng6 16.Nf3 h6 17.Nb5 Qd7 18.c6 bxc6
19.Rxc6 Rae8 20.a4 a6 21.Rxa6 Rxe4 22.Rc6 Rxb4 23.Rxc7 Qd8
24.Rfc1 Rxa4 25.h4 gxh4 26.Qg4 Qf6 27.Nc3 Rb4 28.Re1 Qd8
29.Rd7 Qc8 30.Ne4 Rb7 31.Nxh4 Rxd7 32.Nf5 Qd8 33.Qh5 Re8
34.Nxh6+ Bxh6 35.Qxh6 Rxe4 36.Rxe4 Re7 37.Qg5 Qe8 38.Rxf4 Re1+
39.Kh2 Qe5 40.Qxe5 Rxe5 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Karl Burger"]
[Black "Arthur Bisguier"]
[ECO "D43"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "83"]

1.Nf3 d5 2.d4 Nf6 3.c4 e6 4.Nc3 c6 5.Bg5 h6 6.Bxf6 Qxf6 7.e3
Nd7 8.Qc2 Bd6 9.O-O-O O-O 10.h3 Re8 11.Kb1 Bf8 12.Bd3 Nb6
13.cxd5 exd5 14.Ne5 c5 15.g4 cxd4 16.exd4 Be6 17.f4 Rac8 18.h4
g6 19.f5 gxf5 20.gxf5 Bd7 21.Rdg1+ Kh8 22.Qe2 Bg7 23.Qh5 Rxe5
24.dxe5 Qxe5 25.Qxf7 Rf8 26.Qg6 Bxf5 27.Bxf5 Qxf5+ 28.Qxf5
Rxf5 29.Rf1 Rh5 30.Rf7 d4 31.Ne4 d3 32.Kc1 Na4 33.Rxb7 Re5
34.Rg1 Rxe4 35.Rbxg7 h5 36.Rxa7 Rc4+ 37.Kb1 d2 38.Rd7 Rxh4
39.Rxd2 Nc5 40.Rd5 Ne4 41.Rd4 Rf4 42.Re1 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "0-1"]
[White "Perry Youngworth"]
[Black "Nick DeFirmian"]
[ECO "A62"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "74"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3
Bg7 8.Bg2 O-O 9.O-O a6 10.a4 Nbd7 11.Nd2 Nh5 12.Nc4 Ne5 13.Ne3
Rb8 14.a5 b5 15.axb6 Rxb6 16.h3 Rb4 17.Nc2 f5 18.Kh2 Rd4
19.Nxd4 cxd4 20.Nb1 f4 21.Nd2 Qg5 22.Ne4 Qh6 23.Nxd6 Bg4
24.Ra3 g5 25.Ne4 Bf5 26.Nc5 g4 27.Rxa6 Ng6 28.h4 Nxg3 29.fxg3
fxg3 30.Kg1 Qxh4 31.Rf4 Nxf4 32.Bxf4 Qh2+ 33.Kf1 Be4 34.Nxe4
Rxf4+ 35.Ke1 Qxg2 36.Ra8+ Bf8 37.Rxf8+ Kxf8 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1/2-1/2"]
[White "John A Grefe"]
[Black "Roman Dzindzichashvili"]
[ECO "B07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "18"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.g3 Bg7 5.Bg2 O-O 6.Nge2 e5 7.h3 b6
8.O-O Bb7 9.a4 Re8 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "0-1"]
[White "John Fedorowicz"]
[Black "Gennady Sosonko"]
[ECO "B76"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "66"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3
Nc6 8.Qd2 O-O 9.O-O-O d5 10.exd5 Nxd5 11.Nxc6 bxc6 12.Bd4 e5
13.Bc5 Re8 14.Ne4 f5 15.Nd6 Bf8 16.Bc4 Be6 17.Nb7 Qh4 18.Bxd5
cxd5 19.Bxf8 Kxf8 20.Nc5 Bf7 21.Rhe1 Rad8 22.Nd3 e4 23.g3 Qf6
24.Nc5 Kg8 25.Nb3 Qa6 26.fxe4 dxe4 27.Qxd8 Rxd8 28.Rxd8+ Kg7
29.Kb1 Qb6 30.Rd2 Kf6 31.Nd4 Qa5 32.c3 Qxa2+ 33.Kc2 Bc4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1/2-1/2"]
[White "Douglas Root"]
[Black "Dimitri Gurevich"]
[ECO "B20"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "107"]

1.e4 c5 2.b3 d6 3.Bb2 e6 4.f4 Nf6 5.Nc3 Be7 6.Nf3 Nc6 7.Bb5
Qc7 8.O-O Bd7 9.e5 dxe5 10.fxe5 Nxe5 11.Nxe5 Qxe5 12.Bxd7+
Kxd7 13.Qf3 Qc7 14.d4 cxd4 15.Rad1 Ke8 16.Nb5 Qb6 17.Nxd4 Kf8
18.Kh1 h5 19.Qe2 h4 20.Nf3 h3 21.Ne5 Rd8 22.gxh3 Rxd1 23.Qxd1
Qe3 24.Qf3 Qxf3+ 25.Rxf3 Bd6 26.Rd3 Bxe5 27.Bxe5 Rh5 28.Bb8 a6
29.c4 Ke8 30.Bc7 Rc5 31.Bb6 Rc6 32.Ba5 b6 33.Bd2 Ne4 34.Be3 f5
35.h4 e5 36.Rd5 Re6 37.Bxb6 Rxb6 38.Rxe5+ Kf7 39.Rxf5+ Rf6
40.Ra5 Rg6 41.h3 Ke7 42.Re5+ Re6 43.Ra5 Kd7 44.Kg2 Kc7 45.b4
Rg6+ 46.Kf3 Nd2+ 47.Kf4 Nxc4 48.Rc5+ Rc6 49.Rxc6+ Kxc6 50.Kf5
Ne3+ 51.Kg6 Ng2 52.a4 Nxh4+ 53.Kh5 Ng2 54.b5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Igor Vasilievich Ivanov"]
[Black "Jon Loftur Arnason"]
[ECO "A65"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "88"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Bd3
Bg7 8.Nge2 O-O 9.O-O Na6 10.Kh1 Nc7 11.f3 Rb8 12.a4 a6 13.Rb1
b5 14.b4 Nd7 15.axb5 axb5 16.Be3 Ba6 17.Qd2 Ne5 18.f4 Nxd3
19.Qxd3 f5 20.exf5 gxf5 21.Rf3 Qd7 22.Rg3 Qf7 23.Qd2 Rfd8
24.h3 Kh8 25.Rd1 Bb7 26.bxc5 b4 27.Bd4 Ne8 28.c6 bxc3 29.Nxc3
Ba6 30.Re1 Bf6 31.Re6 Rb4 32.c7 Rc8 33.Bxf6+ Nxf6 34.Rxd6 Rxc7
35.Rxa6 Rc8 36.Qe1 Re8 37.Re6 Rxf4 38.Qe5 Rf1+ 39.Kh2 Rf8
40.Nb5 f4 41.Rg5 h6 42.Rf5 Qg7 43.Rxf4 Rxf4 44.Qxf4 Nxd5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1/2-1/2"]
[White "Borislav Ivkov"]
[Black "Gudmundur Sigurjonsson"]
[ECO "E12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "58"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5 7.e3
Be7 8.Bb5+ c6 9.Bd3 O-O 10.e4 Nxc3 11.bxc3 c5 12.O-O cxd4
13.cxd4 Nc6 14.Be3 Bf6 15.e5 Be7 16.Qb1 h6 17.Qd1 f5 18.exf6
Bxf6 19.Be4 Qd7 20.Qa4 Rad8 21.Rad1 Ne7 22.Qxd7 Rxd7 23.Bxb7
Rxb7 24.Rc1 Rd8 25.g4 Rd5 26.h4 Ng6 27.Rc8+ Kf7 28.h5 Ne7
29.Rc4 b5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Viktor Korchnoi"]
[Black "Artur Yusupov"]
[ECO "D12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "79"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. h3 Bxf3 6. Qxf3 e6
7. Bd3 Nbd7 8. Nc3 g6 9. O-O Bg7 10. Rd1 O-O 11. Qe2 Qc7
12. Bd2 Rad8 13. Rac1 Qb8 14. Be1 Rfe8 15. Qc2 Rc8 16. b4 e5
17. dxe5 Nxe5 18. cxd5 Nxd5 19. Be2 Nxb4 20. Qb3 Nd5 21. Nxd5
cxd5 22. Qxd5 Rxc1 23. Rxc1 Rc8 24. Rd1 Nc6 25. Bc4 Qc7
26. Qe4 Ne5 27. Bb3 b5 28. Qd5 a6 29. a4 Bf6 30. Qe4 Nc4
31. axb5 axb5 32. Rd5 Ra8 33. Kf1 Ra1 34. Ke2 Kg7 35. Bb4 Nb6
36. Rd6 Rc1 37. Rxf6 Kxf6 38. Qd4+ Kg5 39. Be7+ Qxe7 40. Qf4+
1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Ron W Henley"]
[Black "Sergey Kudrin"]
[ECO "E12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "93"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb4 5.Qb3 a5 6.e3 Bb7 7.Bd3
Ne4 8.O-O Bxc3 9.bxc3 d6 10.Ne1 Nd7 11.f3 Nef6 12.e4 h6 13.Rb1
Qe7 14.Ba3 e5 15.Nc2 Nh5 16.g3 g6 17.c5 a4 18.Qc4 dxc5 19.dxc5
Qe6 20.Rfd1 Ba6 21.Qxe6+ fxe6 22.Bxa6 Rxa6 23.Nb4 Ra8 24.Nc6
bxc5 25.Rb7 Nhf6 26.Rxc7 Rh7 27.Rd6 Rf7 28.Rxe6+ Kf8 29.Nxe5
Nxe5 30.Bxc5+ Kg8 31.Rxf7 Nxf3+ 32.Kf2 Kxf7 33.Re7+ Kg8
34.Kxf3 Rb8 35.h3 Nh7 36.h4 Rf8+ 37.Ke2 Nf6 38.Bd4 Nh5 39.Be5
g5 40.hxg5 hxg5 41.c4 g4 42.c5 Rc8 43.Bd6 Nf6 44.Ke3 Re8
45.Rxe8+ Nxe8 46.Be5 Kf7 47.c6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Yasser Seirawan"]
[Black "Larry Christiansen"]
[ECO "D37"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "87"]

1.c4 e6 2.Nc3 d5 3.d4 Nf6 4.Nf3 Be7 5.Bf4 O-O 6.e3 b6 7.cxd5
Nxd5 8.Nxd5 exd5 9.Bd3 Bb4+ 10.Ke2 Bd6 11.Bxd6 Qxd6 12.Qc2 Ba6
13.Rhd1 Bxd3+ 14.Rxd3 Na6 15.a3 c5 16.dxc5 Nxc5 17.Rc3 a5
18.b3 Rae8 19.Kf1 f5 20.g3 f4 21.exf4 d4 22.Qd1 Re4 23.b4 Ne6
24.bxa5 bxa5 25.Rac1 Qd7 26.Ng1 Rd8 27.Rc4 Qd5 28.Qd3 Qf5
29.Qf3 Rf8 30.Rc8 d3 31.Rxf8+ Nxf8 32.Rd1 Rd4 33.Qe3 Ne6
34.Nf3 Rd8 35.Ne5 Qh5 36.Rxd3 Qxh2 37.Rxd8+ Nxd8 38.Qb3+ Kf8
39.Qd5 Qh3+ 40.Kg1 Qc8 41.Qxa5 Ne6 42.Qd5 Ke7 43.a4 Qc7 44.a5
1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "William James Lombardy"]
[Black "Michael Wilder"]
[ECO "A57"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "87"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.Nf3 Bb7 5.Nc3 b4 6.Na4 e6 7.Bg5 h6
8.Bxf6 Qxf6 9.e4 d6 10.a3 Na6 11.Bd3 e5 12.O-O Be7 13.Nd2 O-O
14.Be2 bxa3 15.bxa3 Qg5 16.Bg4 g6 17.Rb1 Rab8 18.Bh3 Nc7
19.Qe2 Ba6 20.Nc3 Rfd8 21.Nb5 Rb7 22.a4 Ne8 23.Nb3 Ra8 24.Na5
Rb6 25.Nc6 Rb7 26.Rb3 Bf8 27.Rg3 Qf6 28.f4 exf4 29.Rgf3 g5
30.g3 Bxb5 31.axb5 h5 32.Ra3 a6 33.Qxh5 Nc7 34.gxf4 gxf4
35.Qg4+ Bg7 36.Rxf4 Qb2 37.Rxf7 Kxf7 38.Qh5+ Kg8 39.Ne7+ Kf8
40.Rf3+ Bf6 41.e5 Qa1+ 42.Rf1 Qd4+ 43.Kh1 Ne8 44.e6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Oleg Romanishin"]
[Black "Anatoly Lein"]
[ECO "E15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "81"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Nbd2 Bb4 6. Qc2 Bb7
7. Bg2 Be4 8. Qb3 Nc6 9. O-O Bxd2 10. Bxd2 O-O 11. Rfd1 Re8
12. Qc3 a5 13. b3 Qe7 14. Rac1 d6 15. Bg5 Nb4 16. Qe3 Bb7
17. a3 Na6 18. h3 h6 19. Bh4 Rad8 20. g4 Nb8 21. d5 Nbd7
22. Nd4 Qf8 23. Qd2 Rb8 24. Nb5 Rec8 25. b4 axb4 26. axb4 g5
27. Bg3 e5 28. Ra1 Qe7 29. Ra7 Kg7 30. Qe3 Qd8 31. Bf3 Nf8
32. Nc3 Ng6 33. c5 bxc5 34. bxc5 Nf4 35. c6 Bxc6 36. dxc6
Nxh3+ 37. Kg2 Nf4+ 38. Bxf4 gxf4 39. Qd3 Rb4 40. Qf5 Rbb8
41. Ne4 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1/2-1/2"]
[White "Leonid Alexandrovich Shamkovich"]
[Black "Hans Ree"]
[ECO "C05"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "96"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Ngf3 c5 6.c3 Nc6 7.Bd3
Qb6 8.a3 f6 9.exf6 Nxf6 10.dxc5 Bxc5 11.O-O O-O 12.c4 a5
13.Qe2 a4 14.Nb1 Nd4 15.Nxd4 Bxd4 16.Nc3 Bd7 17.Bg5 Rae8
18.Rac1 Kh8 19.Kh1 dxc4 20.Bxc4 e5 21.Bxf6 gxf6 22.Bb5 Bxc3
23.Bxd7 Re7 24.Rxc3 Rxd7 25.f4 exf4 26.Rcf3 Rd4 27.Qe7 Qd6
28.Qxb7 Qe5 29.R3f2 Rfd8 30.h3 Rd1 31.Qf3 R1d4 32.Re2 Qd5
33.Qxd5 R8xd5 34.Ref2 Rf5 35.Rf3 Kg7 36.b3 axb3 37.Rxb3 Ra4
38.Kg1 Rfa5 39.Rff3 Kg6 40.Kf2 h5 41.Rfc3 Ra8 42.Kf3 R8a5
43.Kf2 Ra8 44.Rd3 R8a5 45.Rbc3 Ra8 46.Ke2 R8a5 47.Kf2 Ra8
48.g3 R8a5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "0-1"]
[White "Andrew Soltis"]
[Black "James Tarjan"]
[ECO "B90"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "126"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.a4 Qc7 7.a5
e6 8.Be2 Be7 9.O-O Nc6 10.Nb3 b5 11.axb6 Qxb6 12.Be3 Qc7
13.Nd2 O-O 14.Nc4 Rb8 15.b3 Bb7 16.Re1 Ne5 17.Bf4 Rfd8 18.Bf1
h6 19.Re3 Nc6 20.Rg3 Kh8 21.Be3 Bc8 22.Qd2 Bf8 23.Rd1 d5
24.exd5 Nxd5 25.Nxd5 Rxd5 26.Qc1 Nb4 27.Rd4 e5 28.Rh4 Qd8
29.Bg5 Rd1 30.Bxd8 Rxc1 31.Bc7 Rb7 32.Bxe5 f6 33.Bd6 Bxd6
34.Nxd6 Rd7 35.Rc4 Bb7 36.Nf5 a5 37.Ne3 Ba6 38.Rgg4 Bxc4
39.Rxc4 Rd2 40.h4 Nd5 41.Nf5 Rdd1 42.Ng3 g5 43.hxg5 hxg5
44.Rc5 Nf4 45.c4 Ne2+ 46.Nxe2 Rxf1+ 47.Kh2 Rc2 48.Nd4 Rd2
49.Nf3 Rb2 50.Kg3 Kh7 51.Kg4 Kg6 52.Rc6 Rfxf2 53.g3 Rxb3
54.Nxg5 Re2 55.Nh3 Kf7 56.Nf4 Ree3 57.Rc7+ Re7 58.Rc6 Rbb7
59.Nd5 Re6 60.Rc8 Re4+ 61.Kh5 a4 62.Kh6 Re1 63.Kh5 Ra7 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Daniel Campora"]
[Black "Vitaly F Zaltsman"]
[ECO "B67"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "161"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2
a6 8.O-O-O Bd7 9.f4 b5 10.Nxc6 Bxc6 11.Qe1 h6 12.Bh4 Be7
13.Bxf6 gxf6 14.Bd3 Qb6 15.f5 Qc5 16.Kb1 Rg8 17.Ne2 e5 18.Ng3
h5 19.Qe2 h4 20.Nf1 Bf8 21.Qh5 Rxg2 22.Qxh4 Ke7 23.Qh3 Rg5
24.Ne3 Bg7 25.Qf3 Rh8 26.h4 Rgh5 27.Ng2 R5h7 28.c3 Bh6 29.Bc2
Rg7 30.Rh3 Rhg8 31.Ne1 Rg1 32.Qd3 a5 33.Qe2 R8g4 34.Ka1 a4
35.a3 R4g3 36.Rxg3 Rxg3 37.Qh5 Qe3 38.Bb1 Bf4 39.Qh8 Qa7
40.Nd3 Qa8 41.Qh7 Bxe4 42.Nb4 Bf3 43.Rf1 Bg2 44.Rd1 Qg8
45.Nd5+ Bxd5 46.Qxg8 Rxg8 47.Rxd5 Rg1 48.Ka2 Re1 49.Bd3 e4
50.Bxb5 e3 51.Rd4 Be5 52.Rxa4 d5 53.Kb3 Rd1 54.Rg4 Rd2 55.Rg1
d4 56.Re1 Rh2 57.cxd4 Bxd4 58.Re2 Rxh4 59.Kc2 Kd6 60.b4 Ke5
61.Bd3 Rh8 62.Kb3 Ba7 63.a4 Kd4 64.Bc4 Rh1 65.Bb5 Rb1+ 66.Rb2
Ra1 67.a5 Ke4 68.Be2 Kxf5 69.Ra2 Re1 70.b5 Bd4 71.b6 Ke4
72.Kc4 Rc1+ 73.Kb5 Re1 74.Kc6 Rc1+ 75.Kb7 Rb1 76.Kc7 Be5+
77.Kc8 Rc1+ 78.Kb7 Bd4 79.Ra4 Rc2 80.a6 Rxe2 81.a7 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Svetozar Gligoric"]
[Black "Ivars Dahlberg"]
[ECO "D48"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "73"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4
b5 8.Bd3 a6 9.e4 c5 10.d5 Nb6 11.O-O exd5 12.e5 Nfd7 13.Re1
Be7 14.e6 fxe6 15.Rxe6 O-O 16.Qe2 c4 17.Rxe7 cxd3 18.Qe6+ Kh8
19.Ng5 Nf6 20.Nf7+ Kg8 21.Nxd8+ Bxe6 22.Nxe6 Rae8 23.Rxg7+ Kh8
24.Rg3 Rxe6 25.Bh6 Rf7 26.Re3 Rxe3 27.Bxe3 Nc4 28.Bd4 Kg8
29.b3 Na5 30.Rd1 Nc6 31.Bxf6 Rxf6 32.Nxd5 Re6 33.Nf4 Re4
34.Nxd3 Re2 35.a3 Ra2 36.Nb4 Ne5 37.Nxa2 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1/2-1/2"]
[White "Victor J Frias Pablaza"]
[Black "Adam Kuligowski"]
[ECO "E67"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "56"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.Nc3 e5 7.d4
Nbd7 8.Qc2 exd4 9.Nxd4 Nb6 10.Qd3 c6 11.Rd1 d5 12.cxd5 Nfxd5
13.Nxd5 Nxd5 14.e4 Nb4 15.Qc4 Qe7 16.Be3 Na6 17.Qe2 Nc5
18.Rac1 Nxe4 19.b4 Re8 20.b5 c5 21.Nb3 Nc3 22.Rxc3 Bxc3 23.Qc4
Bb4 24.Nxc5 Bxc5 25.Qxc5 Qxc5 26.Bxc5 Bg4 27.Rc1 b6 28.Bxa8
Rxa8 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "0-1"]
[White "Michael A Brooks"]
[Black "Yehuda Gruenfeld"]
[ECO "B50"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "72"]

1.e4 c5 2.Nf3 d6 3.Nc3 Nf6 4.g3 Nc6 5.Bg2 e6 6.O-O Be7 7.d3
O-O 8.h3 Bd7 9.Be3 a6 10.Nh2 Nd4 11.f4 Bc6 12.Nb1 Qb6 13.b3 d5
14.Nd2 dxe4 15.dxe4 Rfd8 16.c3 Nb5 17.Qc2 Qa5 18.Nb1 Rac8
19.a4 Be8 20.Qb2 Na7 21.Qc2 Nc6 22.Ra2 c4 23.b4 Bxb4 24.cxb4
Nxb4 25.Qf2 Nxa2 26.Bb6 Qxa4 27.e5 Nd5 28.Bxd8 Rxd8 29.Ng4
Nab4 30.Bxd5 Nxd5 31.f5 Qc6 32.Qd2 exf5 33.Rxf5 Qb6+ 34.Kh2
Ne7 35.Qg5 Nxf5 36.Qxf5 Qb2+ 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Lev Gutman"]
[Black "Nigel Rodney Davies"]
[ECO "A41"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "51"]

1.Nf3 d6 2.d4 Bg4 3.c3 Nf6 4.Qb3 Qc8 5.Bg5 g6 6.Bxf6 exf6
7.Nbd2 Bg7 8.e3 O-O 9.h3 Bd7 10.Bd3 c6 11.h4 h5 12.Ng1 Be6
13.Qc2 f5 14.Ne2 Nd7 15.Nf4 Nf6 16.Nf3 Bd5 17.Ng5 Qe8 18.O-O-O
Qe7 19.Rde1 Be4 20.Bxe4 Nxe4 21.Nxe4 Qxe4 22.Qb3 c5 23.Nxg6
cxd4 24.f3 Qd3 25.Nf4 Qa6 26.cxd4 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Vladimir Mikhailovich Liberzon"]
[Black "Joseph M Bradford"]
[ECO "C06"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "89"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2
cxd4 8.cxd4 f6 9.exf6 Nxf6 10.O-O Bd6 11.Nf3 Qc7 12.Nc3 a6
13.Bg5 O-O 14.Bh4 g6 15.Rc1 Nh5 16.Re1 Qg7 17.Bb1 Bd7 18.Bg3
Nxg3 19.hxg3 b5 20.Rc2 Rxf3 21.gxf3 Nxd4 22.Rd2 Bc5 23.Kg2 Rf8
24.f4 Rf7 25.a3 g5 26.Rh1 gxf4 27.Rxh7 f3+ 28.Kh2 Qe5 29.Rh4
Nf5 30.Rh3 Nd6 31.Bg6 Rf8 32.Rh5 Qf6 33.Qc2 Nc4 34.Nxd5 exd5
35.Rdxd5 Bd6 36.Rdg5 Rd8 37.Be8+ Kf8 38.Bxd7 Ne3 39.Qh7 Bxg3+
40.Kh1 Qf7 41.Qxf7+ Kxf7 42.Rh7+ Kf6 43.Rxg3 Nd1 44.Rxf3+ Kg6
45.Bf5+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "John A Peters"]
[Black "Jay E Whitehead"]
[ECO "B70"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "103"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.g3 Bg4 7.Nf3
Nc6 8.h3 Bd7 9.Nd2 Bg7 10.Bg2 O-O 11.O-O Rb8 12.a4 a6 13.Nb3
b5 14.axb5 axb5 15.Nd5 Ra8 16.Rxa8 Qxa8 17.Bg5 Be6 18.Nxe7+
Nxe7 19.Bxf6 Bxf6 20.e5 Bd5 21.Bxd5 Nxd5 22.exf6 Re8 23.Qf3
Re5 24.Rd1 Rf5 25.Qg2 Qe8 26.Nd4 Re5 27.Qf3 h5 28.h4 b4 29.Kg2
Qc8 30.Rd2 Qc5 31.Kh2 Qc4 32.Qd3 Qxd3 33.Rxd3 Nxf6 34.Rb3 Nd5
35.Kg2 Re4 36.Rd3 Nb6 37.Kf3 d5 38.b3 Nd7 39.Kg2 Ne5 40.Rd2 f5
41.Ne2 Kf7 42.Nf4 d4 43.Nh3 Ke7 44.Ng5 Re1 45.Rxd4 Nc6 46.Rd2
Re5 47.Nh3 Rc5 48.Nf4 Kf7 49.Kf1 Rc3 50.Ke2 Ne7 51.Kd1 Rc6
52.Rd4 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Helmut Pfleger"]
[Black "Vincent McCambridge"]
[ECO "D58"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "65"]

1.c4 e6 2.Nc3 Nf6 3.Nf3 d5 4.d4 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6
8.Bd3 Bb7 9.Bxf6 Bxf6 10.cxd5 exd5 11.b4 c6 12.O-O Qd6 13.Rb1
Nd7 14.e4 dxe4 15.Nxe4 Qb8 16.a4 a5 17.bxa5 bxa5 18.Qb3 Ba6
19.Nxf6+ gxf6 20.Qc3 Qd6 21.Bxa6 Rxa6 22.Qe3 f5 23.Nh4 f4
24.Qh3 c5 25.dxc5 Nxc5 26.Rb5 Nxa4 27.Nf5 Qf6 28.Qg4+ Kh8
29.Nxh6 Qd4 30.Nxf7+ Rxf7 31.Rh5+ Rh7 32.Qc8+ Kg7 33.Qb7+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1/2-1/2"]
[White "Samuel Reshevsky"]
[Black "Boris Markovich Kogan"]
[ECO "A75"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "113"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 Bg7 5.e4 d6 6.Nf3 O-O 7.Be2 e6
8.O-O exd5 9.cxd5 a6 10.a4 Bg4 11.Bf4 Re8 12.Qc2 Qc7 13.h3
Bxf3 14.Bxf3 Nbd7 15.Rfe1 Rab8 16.Be2 h6 17.a5 Re7 18.Ra4 Rbe8
19.Kh1 Nh7 20.h4 h5 21.Qd3 Be5 22.Bd2 Ndf6 23.Bf3 Qd7 24.b3
Ng4 25.Bxg4 Qxg4 26.g3 Qh3+ 27.Kg1 f5 28.Qf1 Qxf1+ 29.Kxf1 Nf6
30.exf5 Bxc3 31.Bxc3 Nxd5 32.Rxe7 Rxe7 33.Bd2 gxf5 34.f3 Kf7
35.Kf2 Ke6 36.g4 hxg4 37.fxg4 fxg4 38.Rxg4 Nf6 39.Rf4 Rh7
40.b4 Nd5 41.Re4+ Kd7 42.bxc5 dxc5 43.Ke2 Kc6 44.Re6+ Kb5
45.Re5 Kc4 46.h5 Kd4 47.Rg5 Re7+ 48.Kd1 Re4 49.h6 Rh4 50.Rg1
c4 51.Bg5 Ne3+ 52.Ke2 Rh3 53.h7 Rh2+ 54.Kf3 Rh3+ 55.Ke2 Rh2+
56.Kf3 Rh3+ 57.Ke2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "0-1"]
[White "James A Thinnsen"]
[Black "David J Strauss"]
[ECO "B59"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "26"]

1.e4 c5 2.Nf3 d6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 Nf6 6.Be2 e5 7.Nb3
Be7 8.Be3 O-O 9.O-O Be6 10.Qd2 a5 11.a4 Nb4 12.f4 Rc8 13.f5
Rxc3 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "0-1"]
[White "John L Watson"]
[Black "Johann Hjartarson"]
[ECO "A37"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "45"]

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e6 6.a3 Nge7 7.b4
Nxb4 8.axb4 cxb4 9.Ne4 Bxa1 10.Qa4 Bg7 11.Nd6+ Kf8 12.Ng5 Qb6
13.Ngxf7 b3 14.Ba3 b2 15.O-O b1=Q 16.Rxb1 Qxb1+ 17.Bf1 Qa1
18.c5 Kg8 19.Nxh8 Bxh8 20.e3 Bb2 21.Qf4 Bf6 22.d4 Nd5 23.Qf3
0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.06"]
[EventDate "1981.??.??"]
[Round "7"]
[Result "1-0"]
[White "Ian Duncan Wells"]
[Black "Robert M Sulman"]
[ECO "C05"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "85"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2
Qb6 8.Nf3 cxd4 9.cxd4 f6 10.exf6 Nxf6 11.O-O Bd6 12.Nc3 O-O
13.Be3 Bd7 14.a3 Be8 15.Ng5 Bf7 16.b4 Rae8 17.Qf3 Kh8 18.Qh3
Bg8 19.Rac1 Qd8 20.f4 a5 21.b5 Ne7 22.a4 Nf5 23.Nd1 Qb6 24.Kh1
Nxe3 25.Qxe3 Ng4 26.Qh3 Nh6 27.Qe3 Nf5 28.Bxf5 exf5 29.Qd2 h6
30.Nf3 Bb4 31.Qd3 Re4 32.Ne3 Rxf4 33.Ne5 Rxf1+ 34.Rxf1 Qe6
35.g4 g6 36.gxf5 gxf5 37.Ng2 Rc8 38.Nf4 Qf6 39.Rg1 Bf7 40.Qh3
Kh7 41.Nd7 Qxd4 42.Qxf5+ Kh8 43.Nf6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "0-1"]
[White "Igor Vasilievich Ivanov"]
[Black "Lev Alburt"]
[ECO "B02"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "108"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Bc4 e6 6.Nc3 Nxc3 7.dxc3
Qh4 8.Qe2 Bxc5 9.Nh3 f6 10.b4 Bb6 11.a4 a6 12.a5 Ba7 13.b5 f5
14.b6 cxb6 15.Ng5 h6 16.Nf3 Qe4 17.Be3 bxa5 18.Bd3 Qc6 19.O-O
Bxe3 20.Qxe3 O-O 21.Rfb1 b5 22.c4 b4 23.Rxa5 Qb7 24.Nd4 Qb6
25.Rba1 Bb7 26.c5 Qc7 27.Bc4 Nc6 28.Nxc6 Qxc6 29.f3 Qc7 30.Qd4
f4 31.Bd3 Bd5 32.h4 Qd8 33.Qf2 b3 34.Rxa6 Rxa6 35.Rxa6 Qc7
36.Qd4 Rc8 37.Bg6 Qxc5 38.Qxc5 Rxc5 39.Rb6 Rc8 40.Kh2 Kf8
41.Kh3 Ke7 42.Kg4 Rc2 43.Kxf4 Rxg2 44.Be4 Bxe4 45.fxe4 b2
46.Kf3 Rc2 47.Rb8 Kf7 48.Rb7 Kg6 49.Kg4 Rd2 50.Rb8 h5 51.Kf3
Rd3+ 52.Kf4 Rh3 53.Rxb2 Rxh4+ 54.Kf3 Rh3+ 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "0-1"]
[White "David J Strauss"]
[Black "Joel Benjamin"]
[ECO "A30"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "94"]

1.Nf3 Nf6 2.c4 c5 3.Nc3 b6 4.g3 Bb7 5.Bg2 e6 6.O-O Be7 7.Re1
d6 8.e4 a6 9.d4 cxd4 10.Nxd4 Qc8 11.b3 Nbd7 12.Bb2 O-O 13.Rc1
Qc7 14.f4 Rad8 15.Kh1 Rfe8 16.f5 Bf8 17.fxe6 fxe6 18.Rc2 Ne5
19.Bh3 Qf7 20.Rf2 d5 21.Nxe6 Rxe6 22.Bxe6 Qxe6 23.Nxd5 Neg4
24.Rff1 Nxe4 25.Qf3 Ngf2+ 26.Kg1 Nh3+ 27.Kg2 Nhg5 28.Qf5 Bxd5
29.cxd5 Qxd5 30.Qxd5+ Rxd5 31.Re2 Nd6 32.h4 Nge4 33.Ba3 Nf6
34.Rc1 a5 35.Bb2 Nfe4 36.Rc7 b5 37.Kh3 h5 38.Rd7 Rf5 39.Re3
Nf2+ 40.Kg2 Ng4 41.Re2 Rf7 42.Rd8 Nf5 43.Bc1 Kh7 44.Ra8 Bb4
45.a3 Bc3 46.Bd2 Bxd2 47.Rxd2 Nfe3+ 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "Arthur Bisguier"]
[Black "Nick DeFirmian"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "89"]

1.Nf3 c5 2.b3 Nf6 3.Bb2 e6 4.e3 Be7 5.c4 O-O 6.Nc3 b6 7.g3 Bb7
8.Bg2 d5 9.O-O Nbd7 10.Qe2 Rc8 11.Rad1 Qc7 12.d3 e5 13.Nh4
dxc4 14.Nf5 Rce8 15.Nb5 Qb8 16.Bxb7 Qxb7 17.Nbd6 cxd3 18.Rxd3
Bxd6 19.Nxd6 Qc7 20.Nxe8 Rxe8 21.Rfd1 h5 22.Rd6 Nf8 23.Qb5 Qe7
24.Qc6 h4 25.Bc3 N8h7 26.gxh4 Nf8 27.f3 Kh7 28.h3 Nh5 29.Be1
g6 30.Bf2 Ng7 31.Qd5 Nfe6 32.Qxe5 Qc7 33.Qd5 Qe7 34.Qe5 Qc7
35.Qh2 Re7 36.R6d5 Qb7 37.e4 f5 38.Be3 Rf7 39.Qe5 fxe4 40.fxe4
Qa6 41.Qb2 Rf3 42.Bg5 Nd4 43.Rd7 Qb5 44.Re7 Rxh3 45.Rxd4 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1/2-1/2"]
[White "Roman Dzindzichashvili"]
[Black "Victor J Frias Pablaza"]
[ECO "B80"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "38"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3 Be7 7.Bc4
O-O 8.Qe2 d5 9.exd5 exd5 10.Bb3 Nc6 11.O-O-O Re8 12.Ndb5 Bg4
13.f3 Bc5 14.Nxd5 Nxd5 15.Rxd5 Bxe3+ 16.Kb1 Qf6 17.fxg4 Bc1
18.Qxe8+ Rxe8 19.Rxc1 Re5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "Bozidar Ivanovic"]
[Black "John Fedorowicz"]
[ECO "B57"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "120"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Qb6
7.Nde2 e6 8.O-O Be7 9.Be3 Qc7 10.Ng3 a6 11.f4 b5 12.Bb3 Na5
13.f5 Nxb3 14.cxb3 O-O 15.Rc1 Qb7 16.b4 a5 17.a3 axb4 18.axb4
Bd7 19.Bg5 Kh8 20.Nh5 Rae8 21.Nxf6 gxf6 22.Bh4 Bc6 23.Qd4 e5
24.Qe3 Rg8 25.Ra1 Ra8 26.h3 Rxa1 27.Rxa1 Ra8 28.Rd1 Kg7 29.Kh2
h6 30.Qe2 Kh7 31.Qh5 Rg8 32.Qe2 Qa8 33.Nd5 Bd8 34.Qh5 Qb7
35.Bf2 Rg5 36.Qf3 Bxd5 37.Rxd5 Qc6 38.Qd3 Be7 39.Be3 Rg7 40.b3
Qa6 41.Qd2 Qa1 42.Rxb5 Qb1 43.Rb7 Bf8 44.Rb8 Rg8 45.Qd5 Qf1
46.Qd2 d5 47.exd5 e4 48.Rb6 Qxf5 49.d6 h5 50.Rc6 Qe5+ 51.Kh1
Qa1+ 52.Rc1 Qe5 53.Bf4 Qe6 54.Rc5 Qxb3 55.Rxh5+ Kg6 56.Qe2 Qe6
57.Rh4 f5 58.Qh5+ Kf6 59.Qh7 Rxg2 60.Qh8+ Bg7 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1/2-1/2"]
[White "Dimitri Gurevich"]
[Black "Jean Hebert"]
[ECO "B86"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "38"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 a6 7.Bb3
Be7 8.f4 Nc6 9.Be3 O-O 10.Qe2 Qc7 11.f5 exf5 12.exf5 d5
13.O-O-O Bc5 14.Qf3 Bxd4 15.Bxd4 Nxd4 16.Rxd4 Qe5 17.Qd3 Bxf5
18.Qd2 Be6 19.Nxd5 Nxd5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1/2-1/2"]
[White "Johann Hjartarson"]
[Black "Borislav Ivkov"]
[ECO "D37"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "125"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.cxd5 exd5 7.e3
c6 8.Bd3 Nbd7 9.O-O Re8 10.Qc2 Nf8 11.Rae1 g6 12.Ne5 Ne6
13.Bh4 Ng7 14.f3 Be6 15.g4 Nd7 16.Bxe7 Rxe7 17.Be2 f5 18.Nd3
Rf7 19.Bd1 fxg4 20.fxg4 Rxf1+ 21.Rxf1 Qg5 22.Nf4 Re8 23.Qf2
Qe7 24.Bb3 g5 25.Nxe6 Nxe6 26.Bc2 Ndf8 27.Ne2 Ng7 28.Kh1 Ng6
29.Ng3 Rf8 30.Nf5 Nxf5 31.gxf5 Qf6 32.Qg3 h6 33.Qc7 Rf7
34.Qc8+ Kg7 35.Qe8 Nh4 36.Qb8 Ng6 37.Qxa7 Qe7 38.e4 dxe4
39.Bb3 Rf8 40.d5 cxd5 41.Bxd5 Nf4 42.Bxb7 Rxf5 43.Qd4+ Qe5
44.Qxe4 Qxe4+ 45.Bxe4 Re5 46.Bf3 h5 47.a4 Re3 48.a5 Re5 49.b4
g4 50.Bg2 Nxg2 51.Kxg2 Re4 52.Rb1 Re2+ 53.Kg3 Ra2 54.Rc1 Kf6
55.Rc6+ Kf5 56.Rc5+ Kg6 57.Rb5 Ra3+ 58.Kf4 Rf3+ 59.Ke4 Ra3
60.Kf4 Rf3+ 61.Ke4 Ra3 62.Rc5 Ra4 63.Rb5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "0-1"]
[White "Karl Burger"]
[Black "Daniel Campora"]
[ECO "D43"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "76"]

1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.Nc3 c6 5.Bg5 h6 6.Bxf6 Qxf6 7.e3
Nd7 8.Qc2 Qd8 9.a3 Be7 10.Rd1 O-O 11.Be2 f5 12.Bd3 a6 13.Ne2
Bd6 14.cxd5 cxd5 15.Rc1 Qf6 16.Qb3 Rb8 17.a4 g5 18.g3 Qf7
19.Nc3 b6 20.h4 g4 21.Ng1 Bb7 22.Nge2 e5 23.O-O f4 24.Ne4 Be7
25.Rc7 Rfd8 26.exf4 exd4 27.Nxd4 Kf8 28.Re1 dxe4 29.Ne6+ Ke8
30.Rxb7 exd3 31.Ra7 d2 32.Re3 Ne5 33.Qd1 Nf3+ 34.Kh1 Rd7
35.Nc7+ Kd8 36.Nxa6 Rxa7 37.Nxb8 Qd5 38.Kg2 Rc7 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1/2-1/2"]
[White "Yasser Seirawan"]
[Black "Viktor Korchnoi"]
[ECO "D55"]
[WhiteElo "2555"]
[BlackElo "2650"]
[PlyCount "87"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O
7. Nf3 Nbd7 8. Rc1 c6 9. a3 Ne4 10. Bg3 f5 11. Nxe4 fxe4
12. Nd2 Bh4 13. Qg4 Bxg3 14. Qxg3 Qf6 15. Be2 e5 16. dxe5 Nxe5
17. cxd5 cxd5 18. O-O Bf5 19. Nb3 Nc6 20. Rc3 Rad8 21. Rd1 Qe7
22. Nd4 Rd6 23. f4 exf3 24. Nxf5 Rxf5 25. Bxf3 d4 26. exd4
Nxd4 27. Re1 Nxf3+ 28. Rxf3 Rxf3 29. Rxe7 Rd1+ 30. Qe1 Rxe1+
31. Rxe1 Rb3 32. Re2 Kf7 33. Kf1 a5 34. Ke1 a4 35. Kd1 Kf6
36. Kc2 h5 37. Re4 b5 38. Rd4 Ke5 39. Rd3 Rxd3 40. Kxd3 h4
41. Kc3 Kd5 42. Kb4 Kc6 43. b3 axb3 44. Kxb3 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "Sergey Kudrin"]
[Black "John A Peters"]
[ECO "B91"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "89"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 Bg4 7.f3
Bd7 8.Be3 Nc6 9.Qd2 e6 10.g4 Be7 11.O-O-O h6 12.h4 b5 13.Bd3
Qa5 14.Kb1 Ne5 15.g5 Nh5 16.f4 Nxd3 17.Qxd3 b4 18.Nce2 g6
19.f5 e5 20.Nb3 Qb5 21.f6 Qxd3 22.Rxd3 Bf8 23.c4 Bg4 24.Re1
hxg5 25.hxg5 Bxe2 26.Rxe2 Ng3 27.Re1 Nxe4 28.Nd2 Rh4 29.Nxe4
Rxe4 30.b3 Rc8 31.Rd5 Rc5 32.Bf2 Rxd5 33.cxd5 Rf4 34.Be3 Rf5
35.Rc1 Rf3 36.Bb6 Rc3 37.Rxc3 bxc3 38.Kc2 Be7 39.fxe7 Kxe7
40.Bc7 f6 41.gxf6+ Kxf6 42.Bxd6 g5 43.Kxc3 g4 44.Kd3 Kf5
45.Ke3 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "0-1"]
[White "Anatoly Lein"]
[Black "Larry Christiansen"]
[ECO "E11"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "112"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 a5 5.e3 b6 6.Bd3 Bb7 7.O-O
O-O 8.Nc3 d6 9.Qe2 Nbd7 10.a3 Bxc3 11.Bxc3 Ne4 12.Nd2 f5 13.f3
Nxc3 14.bxc3 e5 15.Bc2 Bc6 16.f4 e4 17.g4 Nf6 18.gxf5 Qe7
19.Kh1 Bd7 20.Rg1 h6 21.Rg3 Bxf5 22.Ba4 Kh7 23.d5 b5 24.Bxb5
a4 25.Rb1 g6 26.Bc6 Rab8 27.Rb4 Nh5 28.Rg1 Qf6 29.Nb1 Qh4
30.Bxa4 g5 31.Bd1 Bg6 32.Qg2 Rbe8 33.Rb7 Nxf4 34.Rxc7+ Kh8
35.Qg4 Qxg4 36.Bxg4 Nd3 37.h4 Rb8 38.Kh2 Rb2+ 39.Kg3 Ne5
40.Rc8 gxh4 41.Kh3 Rxc8 42.Bxc8 h5 43.c5 dxc5 44.d6 Nf3 45.Rh1
Kg7 46.a4 Rb8 47.Bd7 Kf6 48.Bb5 Bf5+ 49.Kg2 c4 50.Kf2 h3 51.d7
Ke7 52.Rd1 h2 53.Na3 Bh3 54.Bxc4 Rb2+ 55.Kg3 Bxd7 56.Rh1 h4
0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1/2-1/2"]
[White "Yehuda Gruenfeld"]
[Black "William James Lombardy"]
[ECO "B42"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "108"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 g6 6.O-O Bg7 7.Be3
Ne7 8.c4 O-O 9.Nc3 d6 10.Qd2 Qc7 11.Rac1 Bd7 12.Rfd1 Nbc6
13.Nxc6 Bxc6 14.Bf1 Rad8 15.Bf4 Nc8 16.c5 Be5 17.Bxe5 dxe5
18.Qg5 Kg7 19.b4 Rd4 20.Rxd4 exd4 21.Ne2 h6 22.Qg4 Qe5 23.Ng3
Qg5 24.Qd1 Rd8 25.Bd3 Ba4 26.Qe1 Na7 27.Ne2 e5 28.Rb1 Nb5
29.Qc1 Qxc1+ 30.Rxc1 Na3 31.Kf1 f5 32.Ng3 f4 33.Nh1 Ra8 34.f3
a5 35.bxa5 Rxa5 36.Nf2 Bd7 37.Ke1 g5 38.Bf1 Kf6 39.Nd3 Rb5
40.Be2 h5 41.Bd1 Be6 42.c6 bxc6 43.Rxc6 Ke7 44.Ra6 Nc4 45.Bb3
Nd6 46.Ra7+ Kf6 47.Ra6 Ke7 48.Ra3 Bc4 49.Ra7+ Kf6 50.Ra6 Bxd3
51.Rxd6+ Kg7 52.Rd7+ Kf6 53.Rd6+ Kg7 54.Rd7+ Kf6 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "Gennady Sosonko"]
[Black "Oleg Romanishin"]
[ECO "D97"]
[WhiteElo "2595"]
[BlackElo "2595"]
[PlyCount "140"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4
O-O 7. e4 a6 8. Be2 b5 9. Qb3 Bb7 10. e5 Nd5 11. O-O Nb6
12. Be3 e6 13. a4 bxa4 14. Nxa4 Bd5 15. Qc3 N8d7 16. Nc5 Nxc5
17. Qxc5 Nd7 18. Qa5 Qb8 19. b4 Nb6 20. Rfc1 Re8 21. Qc5 c6
22. Rxa6 Rxa6 23. Bxa6 Bf8 24. Qa5 Re7 25. b5 Nc4 26. Qa4 Nxe3
27. fxe3 cxb5 28. Qxb5 Qxb5 29. Bxb5 Bh6 30. Rc3 Rb7 31. Be2
Rb2 32. Kf2 Ra2 33. Ne1 Bg5 34. Rc2 Ra3 35. Bd3 Kg7 36. Ke2
Be4 37. Rd2 h5 38. Nc2 Bxd3+ 39. Rxd3 Ra2 40. Rc3 Rb2 41. Kf3
Rb1 42. Na3 Rf1+ 43. Ke2 Rh1 44. h3 Bh4 45. Rc2 Re1+ 46. Kf3
Bg5 47. Nc4 Ra1 48. Ke4 Rf1 49. Kd3 Ra1 50. Rf2 Bh4 51. Rb2
Rd1+ 52. Ke4 Re1 53. Rb7 Rf1 54. Nd6 Kg8 55. Kd3 Rf2 56. e4
Bg3 57. Ke3 Rf1 58. Nc4 Bh2 59. d5 Re1+ 60. Kd4 Rd1+ 61. Kc5
Bg1+ 62. Kc6 Rc1 63. Rb4 exd5 64. exd5 Bh2 65. Kd7 Rd1 66. d6
Rd4 67. Kc7 Bf4 68. d7 Bg5 69. Rb8+ Kg7 70. Nd6 Rd3 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "James Tarjan"]
[Black "Leonid Alexandrovich Shamkovich"]
[ECO "D94"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "69"]

1.c4 Nf6 2.Nf3 c6 3.Nc3 d5 4.e3 g6 5.d4 Bg7 6.Bd3 O-O 7.O-O
Bf5 8.Bxf5 gxf5 9.cxd5 cxd5 10.Qb3 b6 11.Bd2 Nc6 12.Rfc1 Rc8
13.Rc2 Qd7 14.Rac1 e6 15.Qb5 a6 16.Qxb6 Rb8 17.Nxd5 Rxb6
18.Nxb6 Qd8 19.Rxc6 Re8 20.Ne5 Bf8 21.Ba5 Ng4 22.Nf3 Nf6 23.g3
Nd5 24.Rc8 Qe7 25.Nxd5 exd5 26.R8c7 Qe4 27.Ng5 Qd3 28.Nxf7 f4
29.exf4 Re2 30.Bc3 Rc2 31.Rf1 Bb4 32.Nh6+ Kh8 33.Rc8+ Kg7
34.Rg8+ Kxh6 35.Bxb4 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "Artur Yusupov"]
[Black "Kamran Shirazi"]
[ECO "D20"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "147"]

1.d4 d5 2.c4 dxc4 3.e4 e5 4.Nf3 Bb4+ 5.Bd2 Bxd2+ 6.Qxd2 exd4
7.Qxd4 Qf6 8.Bxc4 Nc6 9.Qc3 Bg4 10.Bb5 Bd7 11.O-O O-O-O 12.Qe3
Kb8 13.Nc3 Qh6 14.Qc5 Nge7 15.Nd5 Qd6 16.Qxd6 cxd6 17.Nxe7
Nxe7 18.Bxd7 Rxd7 19.Rad1 Nc8 20.Rfe1 Re8 21.Nd4 g6 22.f3 Rde7
23.Nb5 f5 24.Nc3 h6 25.Kf2 fxe4 26.Nxe4 Rd8 27.Nc3 Rxe1
28.Rxe1 d5 29.Re6 d4 30.Ne4 d3 31.Ke1 Nb6 32.Rd6 Rc8 33.Rxd3
Rc2 34.Rd2 Rc1+ 35.Kf2 Nc4 36.Re2 Kc7 37.f4 Kc6 38.g4 Kd5
39.b3 Na3 40.Nf6+ Kd6 41.h4 Nb5 42.h5 gxh5 43.Nxh5 Nc3 44.Re8
Rc2+ 45.Kf3 Rxa2 46.f5 Ra1 47.Re6+ Kd5 48.Rxh6 Ne4 49.Nf6+
Nxf6 50.Rxf6 Rb1 51.g5 Ke5 52.Rf7 Rf1+ 53.Kg4 Rg1+ 54.Kh5 Kf4
55.Rg7 b5 56.f6 Kf5 57.Kh4 Kf4 58.Kh3 Kf3 59.Kh2 Rg2+ 60.Kh1
Rd2 61.Re7 Rd1+ 62.Kh2 Rd2+ 63.Kh3 Rd1 64.Re3+ Kxe3 65.f7 Rf1
66.g6 Kd4 67.Kg2 Rf6 68.g7 Rxf7 69.g8=Q Rf5 70.Qg4+ Ke5
71.Qg7+ Ke4 72.Qxa7 Rd5 73.Kf2 Rd4 74.Qe7+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "Vitaly F Zaltsman"]
[Black "Pal Benko"]
[ECO "E60"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "139"]

1.d4 Nf6 2.c4 g6 3.g3 c5 4.d5 b5 5.cxb5 a6 6.bxa6 d6 7.Nc3 Bg7
8.Nf3 O-O 9.Bg2 Bxa6 10.O-O Nbd7 11.Qc2 Qa5 12.Bd2 Rfb8
13.Rab1 Nb6 14.b3 Qa3 15.Bc1 Qa5 16.Rd1 Ne8 17.Bb2 Nc7 18.e4
Nd7 19.Bh3 Bc8 20.Bf1 Ba6 21.Bh3 Bc8 22.Rdc1 Nb6 23.Bxc8 Rxc8
24.Nd2 Qa6 25.a4 Qb7 26.Nc4 Nxc4 27.bxc4 Qb4 28.Qe2 Bxc3
29.Bxc3 Qxa4 30.e5 Qd7 31.Re1 Ra3 32.Ba1 Rca8 33.exd6 Qxd6
34.Be5 Qd8 35.Bxc7 Qxc7 36.Qxe7 Qxe7 37.Rxe7 Rc3 38.Rbb7 Rf8
39.Re4 Rd3 40.Rc7 Ra8 41.Rf4 f5 42.h4 h5 43.Rxc5 Ra1+ 44.Kg2
Raa3 45.Rc6 Kf7 46.d6 Ke6 47.c5 Ra5 48.d7 Kxd7 49.Rxg6 Rxc5
50.Ra4 Rc7 51.Rg7+ Kc8 52.Ra8+ Kb7 53.Ra7+ Kxa7 54.Rxc7+ Kb6
55.Rc2 Rd4 56.Kf3 Ra4 57.Rc8 f4 58.gxf4 Ra3+ 59.Ke4 Kb7 60.Rc2
Rh3 61.f5 Rxh4+ 62.Ke5 Rh3 63.f6 Rf3 64.Ke6 h4 65.f7 Rf4
66.Re2 h3 67.f3 Rxf3 68.Ke7 h2 69.Rxh2 Re3+ 70.Kf8 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "0-1"]
[White "Bent Larsen"]
[Black "Svetozar Gligoric"]
[ECO "C28"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "152"]

1.e4 e5 2.Bc4 Nf6 3.d3 Nc6 4.Nc3 Bc5 5.Bg5 h6 6.Bh4 a6 7.Nd5
g5 8.Bg3 d6 9.c3 Nxd5 10.Bxd5 Qf6 11.Ne2 Ne7 12.Bb3 Ng6 13.d4
Bb6 14.Qd2 h5 15.h3 h4 16.Bh2 Be6 17.Bxe6 fxe6 18.O-O-O O-O-O
19.f3 Nf4 20.Nxf4 gxf4 21.Rhe1 Rhg8 22.Re2 exd4 23.cxd4 e5
24.Bg1 exd4 25.Bxd4 Bxd4 26.Qxd4 Qxd4 27.Rxd4 Rg5 28.Kd1 Rdg8
29.Rdd2 Re5 30.Ke1 Rgg5 31.Kf2 Rc5 32.Rd4 Rge5 33.Red2 Kd7
34.Ke2 Rg5 35.Kf2 Rge5 36.Ke2 Rg5 37.Kd1 Ke6 38.a4 a5 39.Ke1
Rge5 40.Kf2 Rc1 41.Rd1 Rxd1 42.Rxd1 Rc5 43.Rd2 c6 44.Ke2 Rc4
45.b3 Rb4 46.Rd3 Ke5 47.Rc3 d5 48.exd5 Kxd5 49.Kd2 Rd4+ 50.Kc1
c5 51.Rc2 c4 52.Kb2 cxb3 53.Kxb3 Rd3+ 54.Ka2 Kd4 55.Re2 Kc3
56.Re5 Rd2+ 57.Ka3 Rxg2 58.Rxa5 Rg3 59.Rb5 Rxh3 60.Rxb7 Rh1
61.Ka2 h3 62.Rf7 Rf1 63.Rh7 Rf2+ 64.Ka3 Rxf3 65.a5 Kc4+ 66.Ka4
Rf1 67.Rc7+ Kd5 68.Rc2 Ra1+ 69.Kb5 Rb1+ 70.Ka6 Rb8 71.Rh2 Rh8
72.Kb7 Ke4 73.a6 Kf3 74.a7 Kg3 75.Rh1 h2 76.Rc1 f3 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1/2-1/2"]
[White "Joseph M Bradford"]
[Black "Adam Kuligowski"]
[ECO "E12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "194"]

1.Nf3 Nf6 2.c4 b6 3.d4 e6 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5 7.e3
Be7 8.Bb5+ c6 9.Bd3 Nxc3 10.bxc3 c5 11.O-O O-O 12.Qe2 Nc6
13.Rd1 cxd4 14.cxd4 Rc8 15.Bb2 Rc7 16.e4 Na5 17.Nd2 Bg5 18.Nf3
Bf6 19.a4 Nb3 20.Rab1 Nxd4 21.Bxd4 Bxd4 22.Bb5 e5 23.Nxe5 Qe7
24.Nd7 Rxd7 25.Bxd7 Qxd7 26.Rb4 Bxf2+ 27.Kxf2 Qe7 28.Rbd4 g6
29.Kg1 Bc6 30.Qc4 Rc8 31.h3 Bd7 32.Qd3 Be8 33.Rc4 Rc5 34.Qa3
Re5 35.Qxe7 Rxe7 36.Rd8 Kg7 37.Rb8 h5 38.Kf2 Re6 39.Kf3 Bc6
40.Rc8 Be8 41.Rd4 a5 42.Rb8 Bc6 43.Kf4 Be8 44.e5 f6 45.Rb7+
Kh6 46.exf6 Rxf6+ 47.Kg3 g5 48.h4 Rc6 49.Rb8 Bg6 50.hxg5+ Kxg5
51.Rbd8 Bf7 52.R8d7 Be6 53.R7d6 Rxd6 54.Rxd6 h4+ 55.Kh2 Bb3
56.Rd4 Bc2 57.Rd5+ Kg4 58.Rd6 Kg5 59.Rxb6 Bxa4 60.Ra6 Bd7
61.Rxa5+ Kg4 62.Ra7 Bf5 63.Rg7+ Kf4 64.Kg1 Be4 65.Kf2 Bd5
66.Rd7 Bc6 67.Rd6 Bb7 68.Rb6 Ba8 69.Kg1 Kg3 70.Rb3+ Kg4 71.Kh2
Bc6 72.Rd3 Kg5 73.Rd4 Bb7 74.Rc4 Ba6 75.Rc5+ Kg4 76.Rc7 Bd3
77.Rg7+ Kh5 78.Kg1 Bg6 79.Kf2 Kg5 80.Ke3 Kf5 81.Rg8 Bh5 82.Rh8
Kg4 83.Rg8+ Kf5 84.Kd4 Bd1 85.Rh8 Kg4 86.Ke5 Kg3 87.Rg8+ Bg4
88.Ke4 h3 89.gxh3 Kxh3 90.Kf4 Bd1 91.Rg3+ Kh2 92.Rd3 Bh5
93.Kg5 Be8 94.Kg4 Bc6 95.Rc3 Bd5 96.Rc2+ Kg1 97.Rd2 Bb7
1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "Jon Loftur Arnason"]
[Black "Michael A Brooks"]
[ECO "B92"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "75"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3
Be7 8.O-O Be6 9.Be3 Nbd7 10.f4 Rc8 11.Kh1 O-O 12.f5 Bc4
13.Bxc4 Rxc4 14.Nd2 Rc8 15.Qf3 b5 16.a3 Nb6 17.g4 Nfd7 18.Qg2
h6 19.Rad1 Nc5 20.Nf3 Nca4 21.Nxa4 Nxa4 22.c3 Qc7 23.g5 hxg5
24.Bxg5 f6 25.Bh6 Rf7 26.Rg1 Bf8 27.Nh4 Rd8 28.Ng6 Qb7 29.Be3
Nxb2 30.Rd5 Na4 31.Qh3 Rfd7 32.Rg4 Nxc3 33.Rh4 Nxe4 34.Rh8+
Kf7 35.Qh5 Ng3+ 36.hxg3 Qxd5+ 37.Kg1 Qd1+ 38.Qxd1 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "0-1"]
[White "Peter Biyiasas"]
[Black "Michael Wilder"]
[ECO "B52"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "89"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.d3 Nf6
7.Bg5 e6 8.Bxf6 gxf6 9.c4 Bg7 10.Nc3 Ne7 11.d4 cxd4 12.Qxd4
O-O 13.Rfd1 Rfd8 14.c5 d5 15.exd5 exd5 16.Rd3 f5 17.Qf4 Rac8
18.Rad1 Rxc5 19.Nd4 b5 20.Qd2 a6 21.h4 Qc7 22.h5 Kh8 23.h6 Be5
24.Qg5 Rg8 25.Qh5 Ng6 26.Nce2 f4 27.b3 Qe7 28.Nf3 d4 29.Qh3
Bf6 30.Nexd4 Qb7 31.Nf5 Ne5 32.Nd6 Qe7 33.Nxe5 Rxe5 34.Rd5 Re6
35.Qh5 Rg6 36.Nf5 Qf8 37.Kf1 Qg8 38.Qf3 Rg5 39.Qxf4 Rxg2
40.Ng7 Bxg7 41.Rd8 Bf8 42.Qd4+ f6 43.f4 Rg4 44.Rc8 Rh4 45.Rxf8
0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "0-1"]
[White "Ivars Dahlberg"]
[Black "Ron W Henley"]
[ECO "A15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "82"]

1.c4 Nf6 2.Nf3 c5 3.Nc3 b6 4.e3 e6 5.d4 d6 6.d5 e5 7.e4 Be7
8.Be2 Nbd7 9.a3 g6 10.O-O Nh5 11.Ne1 Nf4 12.Bxf4 exf4 13.Nd3
g5 14.Bg4 Bf6 15.Nb5 Ke7 16.Bxd7 Bxd7 17.Re1 Bxb5 18.cxb5 Bd4
19.Qg4 Qg8 20.e5 Qg6 21.Rad1 Rhe8 22.h4 h5 23.Qf3 gxh4
24.exd6+ Kxd6 25.Qxf4+ Kd7 26.d6 Qf6 27.Qd2 Rxe1+ 28.Nxe1 Rg8
29.b4 h3 30.bxc5 bxc5 31.Qe2 Bxf2+ 32.Kh1 Re8 33.Qxh5 hxg2+
34.Kxg2 Rxe1 35.Rxe1 Bxe1 36.Qxc5 Qf2+ 37.Qxf2 Bxf2 38.Kxf2
Kxd6 39.Kf3 Kc5 40.Kf4 Kxb5 41.Kf5 Ka4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "Nigel Rodney Davies"]
[Black "James A Thinnsen"]
[ECO "B31"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "31"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.Bxc6 bxc6 7.c3
Ne7 8.d4 cxd4 9.cxd4 exd4 10.Nxd4 Qb6 11.Nb3 O-O 12.Nc3 f5
13.Bg5 Rf7 14.Bxe7 Rxe7 15.Nd5 cxd5 16.Qxd5+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1/2-1/2"]
[White "John William Donaldson"]
[Black "Vladimir Mikhailovich Liberzon"]
[ECO "B54"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "49"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.g3 Nf6 7.Bg2
Bd7 8.O-O Be7 9.Nxc6 Bxc6 10.a4 O-O 11.Re1 Nd7 12.Nb5 Nc5
13.Nd4 a5 14.b3 Qb6 15.Nxc6 bxc6 16.Bb2 e5 17.Qe2 Ne6 18.Rad1
Rfd8 19.Bh3 Nd4 20.Bxd4 exd4 21.Qf3 Bf6 22.Bf1 Ra7 23.Bc4 Re7
24.Re2 Qb4 25.Kg2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "John A Grefe"]
[Black "Ian Duncan Wells"]
[ECO "B23"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "57"]

1.e4 c5 2.Nc3 d6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.f4 Ne7 7.Nf3 Nbc6
8.O-O O-O 9.Rb1 Rb8 10.Be3 b5 11.d4 cxd4 12.Nxd4 b4 13.Nce2 e5
14.Nxc6 Nxc6 15.f5 Ba6 16.Rf2 Bf6 17.Qd5 Bb7 18.Qd2 Ba6 19.Bh6
Bg7 20.f6 Bxf6 21.Bxf8 Kxf8 22.Rbf1 Nd4 23.Nxd4 Bxf1 24.Nc6
Bg5 25.Qd5 Qc7 26.Rxf1 Rb6 27.Na5 Kg7 28.Nc4 Rc6 29.Rxf7+ 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "Boris Markovich Kogan"]
[Black "Andrew Soltis"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "155"]

1.Nf3 g6 2.g3 Bg7 3.d4 Nf6 4.Bg2 O-O 5.O-O c6 6.b3 d5 7.Bb2 a5
8.a4 Na6 9.Nbd2 Re8 10.Re1 Qb6 11.h3 Bf5 12.g4 Be4 13.Nxe4
Nxe4 14.e3 Rad8 15.Qe2 Nb4 16.Rad1 e6 17.Ne5 Rf8 18.f3 Nf6
19.c3 Na6 20.Ba3 Rfe8 21.b4 Nb8 22.Rb1 Nfd7 23.f4 f6 24.Nd3 e5
25.Qf2 exd4 26.exd4 f5 27.g5 Qc7 28.Ne5 axb4 29.cxb4 Nxe5
30.dxe5 Nd7 31.b5 Nf8 32.Bc5 Qd7 33.a5 Ne6 34.bxc6 bxc6 35.Bb6
Ra8 36.Re2 Bf8 37.Rc2 Rec8 38.Qd2 Kg7 39.h4 Be7 40.Kh2 h6
41.Kg3 Kf7 42.Rbc1 Rab8 43.Bf3 Bd8 44.Rb2 d4 45.Qd3 c5 46.Qc4
hxg5 47.hxg5 Bxg5 48.fxg5 Qe7 49.Kf2 Qxg5 50.Re2 Rh8 51.Rg1
Rh2+ 52.Rg2 Qh4+ 53.Kf1 Rh1+ 54.Rg1 Qf4 55.Rf2 Rh2 56.Bg2 Qe3
57.Re2 Qf4+ 58.Ke1 Qg3+ 59.Kd1 d3 60.Rd2 Qxe5 61.Rxd3 Kf6
62.Qc3 Nd4 63.Re1 Qf4 64.Rxd4 cxd4 65.Qxd4+ Qxd4+ 66.Bxd4+ Kg5
67.Re2 Rd8 68.Rd2 f4 69.a6 Kf5 70.Bc3 Rc8 71.Bb7 Rxc3 72.Rxh2
Ra3 73.Kc1 g5 74.Kb1 f3 75.Ra2 Rxa6 76.Rxa6 g4 77.Kc2 Kf4
78.Kd2 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "0-1"]
[White "Vincent McCambridge"]
[Black "Lev Gutman"]
[ECO "B42"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "92"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 d6 6.O-O Nf6 7.c4
Be7 8.Nc3 O-O 9.Qe2 Nc6 10.Nxc6 bxc6 11.b3 Nd7 12.Bb2 Nc5
13.f4 Bf6 14.Rad1 Bd4+ 15.Kh1 e5 16.Bb1 a5 17.f5 Rb8 18.Qh5 f6
19.Rf3 Qe8 20.Qxe8 Rxe8 21.Ba3 Nb7 22.g4 Bd7 23.Ne2 c5 24.Bc2
Bc6 25.Bc1 a4 26.Bd2 axb3 27.axb3 Ra8 28.Nc3 Bxc3 29.Bxc3 Ra2
30.Bb1 Re2 31.Re1 Rxe1+ 32.Bxe1 Ra8 33.Bc3 Na5 34.Bxa5 Rxa5
35.Kg1 Ra3 36.Kf2 Ra1 37.Bd3 Ra2+ 38.Ke3 Rxh2 39.Be2 Rh1
40.Rf1 Rxf1 41.Bxf1 g6 42.Bg2 Kg7 43.Kf3 Kh6 44.Kg3 Kg5 45.Bf3
gxf5 46.gxf5 h5 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1/2-1/2"]
[White "Hans Ree"]
[Black "Helmut Pfleger"]
[ECO "D37"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "49"]

1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5
Bxc5 8.Qc2 Nc6 9.Rd1 Qa5 10.a3 Be7 11.Nd2 e5 12.Bg5 d4 13.Nb3
Qd8 14.Be2 Ng4 15.Bxe7 Qxe7 16.exd4 Qh4 17.g3 Qh3 18.d5 Nd4
19.Nxd4 exd4 20.Rxd4 Re8 21.Re4 Bd7 22.Bf1 Qh6 23.Be2 Qh3
24.Bf1 Qh6 25.Be2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "0-1"]
[White "Douglas Root"]
[Black "John L Watson"]
[ECO "B22"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "46"]

1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5 exd5 5.d4 Nc6 6.Bb5 Bd6 7.Be3
c4 8.b3 cxb3 9.axb3 Nge7 10.Ne5 O-O 11.Nd3 Nf5 12.Qf3 Nh4
13.Qxd5 Bf5 14.Kd2 Na5 15.Nc1 Be6 16.Qh5 g6 17.Qd1 Nxg2 18.Be2
Qb6 19.c4 Nxc4+ 20.Bxc4 Bxc4 21.Rg1 Bd5 22.Nc3 Bb4 23.N1a2
Rac8 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "1-0"]
[White "Gudmundur Sigurjonsson"]
[Black "Samuel Reshevsky"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "93"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 g6 4.d4 cxd4 5.Nxd4 Bg7 6.Nb3 Nf6
7.Nc3 O-O 8.e4 d6 9.h3 a5 10.a4 Nb4 11.O-O Nd7 12.Nd5 Nxd5
13.exd5 Nb6 14.Nd4 Qc7 15.Nb5 Qd8 16.Ra2 Bd7 17.Qe2 Rc8 18.b3
Rc5 19.Rd1 Bxb5 20.axb5 Bc3 21.Be3 Rc8 22.h4 Nd7 23.Bh6 Bg7
24.Bg5 Re8 25.Bh3 b6 26.Re1 Bc3 27.Rd1 Rc7 28.Ra4 Bg7 29.h5
Nf6 30.hxg6 hxg6 31.Be3 Nd7 32.Bxd7 Qxd7 33.Bxb6 Rb7 34.Bxa5
Rxb5 35.Bb4 Qb7 36.Bxd6 Rxd5 37.Rxd5 Qxd5 38.Bf4 e5 39.Be3 e4
40.Qd2 Qf5 41.Ra5 Qg4 42.Qd5 Be5 43.Ra7 Re6 44.Qd8+ Kg7 45.Qd7
Qf5 46.c4 g5 47.Ra6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.07"]
[EventDate "1981.??.??"]
[Round "8"]
[Result "0-1"]
[White "Robert M Sulman"]
[Black "Perry Youngworth"]
[ECO "A07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "82"]

1.g3 Nf6 2.Bg2 d5 3.d3 c5 4.Nd2 Nc6 5.e4 e6 6.c3 Be7 7.Nh3 Ne5
8.Nf3 Nxf3+ 9.Qxf3 dxe4 10.dxe4 e5 11.Qe2 O-O 12.O-O Qc7 13.f4
Bg4 14.Qc2 c4 15.f5 Bxh3 16.Bxh3 Bc5+ 17.Kh1 Qc6 18.Bg2 h6
19.Qe2 b5 20.g4 Nh7 21.f6 Nxf6 22.g5 hxg5 23.Bxg5 Nh7 24.Bh4
Qc7 25.Rf5 g6 26.Rf3 Be7 27.Bg3 Ng5 28.Rff1 Ne6 29.Qg4 Bg5
30.Rad1 Bf4 31.Bh4 Kg7 32.Rd5 Rh8 33.Rfd1 Rxh4 34.Qxh4 Rh8
35.Qg4 Rxh2+ 36.Kg1 Qb6+ 37.Kf1 Ng5 38.Rd8 Nh3 39.R8d4 exd4
40.cxd4 Be5 41.Bxh3 Qf6+ 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1-0"]
[White "Daniel Campora"]
[Black "Bent Larsen"]
[ECO "B18"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "85"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nh3
Nf6 8.Nf4 Bh7 9.Bc4 Na6 10.Qe2 Nc7 11.c3 e6 12.Bd3 Bxd3
13.Nxd3 Be7 14.Bd2 a5 15.O-O-O Qd5 16.Kb1 a4 17.Ne5 b5 18.f3
c5 19.Bf4 Qb7 20.dxc5 Bxc5 21.Ne4 Be7 22.Nxf6+ gxf6 23.Nd3 Nd5
24.Bd2 Qc6 25.a3 h5 26.Nf4 Nb6 27.Bc1 Nc4 28.g4 hxg4 29.fxg4
Nd6 30.Rhe1 Qc4 31.Qf3 Rc8 32.Rd4 Qc6 33.Qe2 Nc4 34.h5 Rd8
35.Rxd8+ Bxd8 36.h6 Kf8 37.Nh5 Nd6 38.Bf4 Be7 39.Qd3 e5 40.Bc1
Qg2 41.Nxf6 Nc4 42.Nd7+ Kg8 43.Nxe5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1-0"]
[White "Lev Alburt"]
[Black "Hans Ree"]
[ECO "A77"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "61"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Be2
Bg7 8.Nf3 O-O 9.O-O Re8 10.Nd2 Nbd7 11.a4 Ne5 12.Re1 a6 13.Nf1
Rb8 14.f4 Neg4 15.h3 Nh6 16.Bf3 Nd7 17.g4 Qh4 18.Be3 Bd4 19.g5
Qxf4 20.gxh6 Ne5 21.Bg2 Qh4 22.Bxd4 cxd4 23.Qxd4 Bxh3 24.Qe3
Bd7 25.Nh2 Nc4 26.Qd4 Ne5 27.Qd2 Nc4 28.Nf3 Qh5 29.Qg5 Qxg5
30.Nxg5 Ne5 31.Rf1 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Joel Benjamin"]
[Black "John A Grefe"]
[ECO "B23"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "23"]

1.e4 c5 2.Nc3 d6 3.Nf3 Nf6 4.g3 Nc6 5.Bg2 g6 6.O-O Bg7 7.d3
O-O 8.h3 Rb8 9.Be3 b5 10.Qd2 b4 11.Ne2 a5 12.Bh6 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Borislav Ivkov"]
[Black "Arthur Bisguier"]
[ECO "E15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "51"]

1.Nf3 Nf6 2.c4 e6 3.d4 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2
d5 8.cxd5 exd5 9.Nc3 O-O 10.Ne5 Bb7 11.O-O Nbd7 12.Bf4 Re8
13.Rc1 c6 14.Rc2 Bf8 15.Qb1 Nh5 16.Nd3 Nxf4 17.Nxf4 Bb4 18.e3
Nf6 19.Rd1 a5 20.Nd3 Bd6 21.Qb2 h5 22.Na4 h4 23.Ne5 hxg3
24.hxg3 c5 25.Nc4 Bc7 26.Nd2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Nick DeFirmian"]
[Black "Roman Dzindzichashvili"]
[ECO "B43"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "30"]

1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 b5 6.Bd3 Bb7 7.O-O
d6 8.Qe2 Nf6 9.f4 Nbd7 10.g4 b4 11.Nd1 e5 12.Nf5 g6 13.Ng3
exf4 14.Bxf4 Ne5 15.Ne3 Bg7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "John Fedorowicz"]
[Black "Johann Hjartarson"]
[ECO "A15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "16"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.Nc3 e5 7.d3
Nc6 8.Rb1 a5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1-0"]
[White "Adam Kuligowski"]
[Black "Dimitri Gurevich"]
[ECO "E10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "95"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 g6 6.Nc3 Bg7 7.e4
O-O 8.Be2 b5 9.e5 Ng4 10.Nxb5 Nxe5 11.O-O d6 12.Nxe5 Bxe5
13.Rb1 Na6 14.a3 Nc7 15.b4 Bf5 16.Rb3 Nxb5 17.Bxb5 Rb8 18.Bd3
Qh4 19.g3 Qh3 20.Re1 Bxd3 21.Qxd3 Rbe8 22.Qd1 Bd4 23.Bf4 Qf5
24.bxc5 Qxd5 25.Rbe3 Rxe3 26.fxe3 g5 27.Qxd4 Qxd4 28.exd4 gxf4
29.c6 fxg3 30.hxg3 d5 31.Kg2 Rc8 32.Rc1 Kf8 33.Kf3 Ke7 34.Kf4
Kd6 35.c7 Rxc7 36.Rxc7 Kxc7 37.Ke5 Kd7 38.g4 Kc6 39.g5 Kd7
40.Kf6 Ke8 41.Kg7 Ke7 42.Kxh7 Kf8 43.g6 fxg6 44.Kxg6 Ke7
45.Kf5 Kd6 46.Kf6 Kd7 47.Ke5 Kc6 48.Ke6 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Pal Benko"]
[Black "Igor Vasilievich Ivanov"]
[ECO "D35"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "28"]

1.c4 e6 2.Nc3 d5 3.d4 Nf6 4.cxd5 exd5 5.Bg5 Be7 6.e3 Nbd7
7.Bd3 c6 8.Qc2 O-O 9.Nge2 Re8 10.O-O Nf8 11.Bxf6 Bxf6 12.b4
Be7 13.Rab1 Bd6 14.b5 Re6 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Viktor Korchnoi"]
[Black "Gennady Sosonko"]
[ECO "D38"]
[WhiteElo "2650"]
[BlackElo "2595"]
[PlyCount "27"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6
7. Qb3 c5 8. dxc5 Bxc3+ 9. bxc3 dxc4 10. Qxc4 O-O 11. e3 Bd7
12. Bd3 Bc6 13. O-O Nd7 14. Be2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1-0"]
[White "Sergey Kudrin"]
[Black "Ivars Dahlberg"]
[ECO "B88"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "69"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 e6 7.Bb3
a6 8.f4 Be7 9.Be3 O-O 10.O-O Nxd4 11.Bxd4 b5 12.e5 dxe5
13.fxe5 Nd7 14.Ne4 Bb7 15.Nd6 Bxd6 16.exd6 Qg5 17.Rf2 e5
18.Bc3 Nf6 19.Qf1 b4 20.Bxb4 Qh4 21.Ba5 Ng4 22.h3 Nxf2 23.Qxf2
Qg5 24.Rd1 e4 25.Bb6 Kh8 26.d7 f5 27.Bd5 Bxd5 28.Rxd5 Qc1+
29.Kh2 Qxb2 30.Qd4 Qxa2 31.c4 h6 32.d8=Q Raxd8 33.Rxd8 Rxd8
34.Qxd8+ Kh7 35.Qc8 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Larry Christiansen"]
[Black "Artur Yusupov"]
[ECO "A06"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "28"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 Bf5 4.O-O e6 5.b3 h6 6.Bb2 Be7 7.c4
O-O 8.Nc3 c6 9.d3 Nbd7 10.Qc2 Bh7 11.Rac1 Rc8 12.a3 a5 13.Na2
Bd6 14.cxd5 exd5 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "0-1"]
[White "William James Lombardy"]
[Black "Bozidar Ivanovic"]
[ECO "A41"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "120"]

1.c4 g6 2.Nc3 Bg7 3.d4 d6 4.Nf3 Nd7 5.e4 e5 6.Be3 Nh6 7.h3 f6
8.Qd2 Nf7 9.Bd3 O-O 10.Bc2 Re8 11.d5 Nb6 12.Bd3 f5 13.Qc2 f4
14.Bd2 c6 15.Be2 Bd7 16.O-O-O Rc8 17.Kb1 cxd5 18.cxd5 Nxd5
19.Nxd5 Rxc2 20.Kxc2 Ba4+ 21.b3 Bc6 22.Bc3 b5 23.Rd2 a6
24.Rhd1 Bxd5 25.Rxd5 Qb6 26.Be1 Rc8+ 27.Kb1 Bf6 28.R5d2 Bd8
29.Bd3 Qa7 30.Re2 Kg7 31.Bc2 a5 32.Bd3 Qb7 33.Bc2 Bb6 34.Rd5
Rc5 35.Rd1 Rc8 36.Bd3 Bc5 37.Rc2 Ra8 38.Bc3 Qb6 39.Be1 Nd8
40.Be2 Ne6 41.Rd5 Ra7 42.Bc3 Kf8 43.Bb2 Re7 44.Bf1 Nc7 45.Rdd2
a4 46.Bc3 axb3 47.axb3 b4 48.Bb2 Ne6 49.Bc4 Nd4 50.Nxd4 Bxd4
51.Bxd4 exd4 52.Bd5 Ra7 53.Rc6 Qb5 54.Rc4 Qa6 55.Kc2 Qa2+
56.Kd3 Qxb3+ 57.Ke2 d3 58.Kf3 Qb1 59.Kxf4 Ra3 60.Kg5 Rc3 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Oleg Romanishin"]
[Black "James Tarjan"]
[ECO "E15"]
[WhiteElo "2595"]
[BlackElo "2530"]
[PlyCount "103"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Nbd2 Bb7 6. Bg2 Be7
7. O-O O-O 8. b3 c5 9. Bb2 cxd4 10. Nxd4 Bxg2 11. Kxg2 Qc7
12. e4 d6 13. Nb5 Qc6 14. Qf3 Nbd7 15. e5 Nxe5 16. Bxe5 Qxf3+
17. Nxf3 dxe5 18. Nxe5 a6 19. Nd4 Rfc8 20. Rfd1 Rc7 21. a4 a5
22. Nb5 Rb7 23. Kf3 Rd8 24. Rxd8+ Bxd8 25. Nd6 Re7 26. Rd1 Bc7
27. Nc8 Re8 28. Nc6 Kf8 29. N8a7 Ra8 30. h3 g6 31. Ke3 h5
32. Rd3 Kg7 33. Kf3 Kf8 34. Ke2 Kg7 35. Nb5 Rc8 36. Nca7 Ra8
37. Nc6 Rc8 38. Ne7 Re8 39. Nxg6 Bxg3 40. Rxg3 fxg6 41. Rd3 g5
42. Rd6 h4 43. Kf3 g4+ 44. hxg4 h3 45. g5 Nh5 46. Rd1 Kg6
47. Kg4 Rf8 48. Kxh3 Rf3+ 49. Kg4 Rf4+ 50. Kh3 Rf3+ 51. Kg4
Rf4+ 52. Kh3 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Leonid Alexandrovich Shamkovich"]
[Black "Gudmundur Sigurjonsson"]
[ECO "E63"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "36"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.d4 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O
a6 8.b3 Rb8 9.Bb2 b5 10.cxb5 axb5 11.d5 Na5 12.Nd4 b4 13.Nb1
Bb7 14.e4 c5 15.dxc6 Nxc6 16.Nxc6 Bxc6 17.Nd2 Qd7 18.Rc1 Rfc8
1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1-0"]
[White "Helmut Pfleger"]
[Black "Kamran Shirazi"]
[ECO "A16"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "91"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.d4 c5 6.d5 d6 7.Nf3 Na6
8.O-O Nc7 9.e4 e5 10.Ne1 b5 11.cxb5 Rb8 12.a4 a6 13.Nc2 axb5
14.b4 Bd7 15.Ba3 c4 16.a5 Ng4 17.f3 Nh6 18.Bc1 Na6 19.Be3 f5
20.Qd2 f4 21.Bb6 Qe7 22.Ne2 g5 23.g4 Nxg4 24.fxg4 Bxg4 25.Nc3
Bd7 26.Na3 Qe8 27.Rfc1 g4 28.Bf1 Qh5 29.Naxb5 g3 30.hxg3 fxg3
31.Qg2 Qg5 32.Re1 Nc5 33.bxc5 Rf2 34.Ra2 Rbf8 35.c6 Rxg2+
36.Rxg2 Bh3 37.Rc2 Bg4 38.Nxd6 Qh4 39.Rg2 Rf6 40.Re3 Rh6
41.Rexg3 Qh1+ 42.Kf2 Rxd6 43.Rxg4 Rf6+ 44.Ke3 Rg6 45.Rxg6 hxg6
46.c7 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Vladimir Mikhailovich Liberzon"]
[Black "Vitaly F Zaltsman"]
[ECO "B67"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "90"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2
a6 8.O-O-O Bd7 9.f4 b5 10.Bxf6 gxf6 11.Nf3 Qb6 12.Kb1 O-O-O
13.g3 Kb8 14.Bh3 Bc8 15.f5 h5 16.Qe1 Bh6 17.Ne2 Ne5 18.Ned4
Ng4 19.fxe6 fxe6 20.Qc3 Bb7 21.Nxe6 Rc8 22.Qd4 Qxd4 23.Nexd4
Bxe4 24.Rhe1 d5 25.Re2 Rc4 26.Rde1 Rhc8 27.b3 Rc3 28.Nh4 Bf8
29.Bg2 Bd6 30.Nhf5 Be5 31.Bxe4 dxe4 32.Rxe4 Nxh2 33.Rh4 Nf3
34.Nxf3 Rxf3 35.Rxh5 Rf2 36.Rc1 b4 37.Ne7 Rc5 38.Ng6 Bd6
39.Rxc5 Bxc5 40.c3 a5 41.cxb4 Bxb4 42.Nf4 Ba3 43.Rg1 Rb2+
44.Ka1 Rd2 45.Kb1 Rb2+ 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Svetozar Gligoric"]
[Black "Yasser Seirawan"]
[ECO "E41"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "26"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nf3 Nc6 6.d5 Ne7 7.d6
Bxc3+ 8.bxc3 Nc6 9.Bd3 e5 10.e4 O-O 11.O-O Re8 12.Nh4 Re6
13.Nf5 Ne8 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "John William Donaldson"]
[Black "Jon Loftur Arnason"]
[ECO "A34"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "12"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.d4 cxd4 6.Qxd4 Nxc3
1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "0-1"]
[White "Victor J Frias Pablaza"]
[Black "Peter Biyiasas"]
[ECO "C72"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "94"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Bd7 6.d4 Nf6 7.Bxc6
Bxc6 8.Nc3 Be7 9.Re1 exd4 10.Nxd4 Bd7 11.Qf3 O-O 12.Nf5 Bxf5
13.Qxf5 Re8 14.Bf4 Qc8 15.Qa5 Bf8 16.f3 Re6 17.Nd5 Nxd5
18.exd5 Rxe1+ 19.Rxe1 Qd7 20.Qb4 Qb5 21.Qd4 Qa5 22.Ra1 Be7
23.Bd2 Qb5 24.Bc3 Bf6 25.Qd3 Qc5+ 26.Kf1 Bxc3 27.bxc3 Re8
28.Rb1 b5 29.Rb4 g6 30.Re4 Rxe4 31.fxe4 Qa3 32.c4 Qxa2 33.cxb5
Qb1+ 34.Kf2 Qxb5 35.Qxb5 axb5 36.Ke3 Kg7 37.Kf4 Kf6 38.h4 h6
39.c3 g5+ 40.hxg5+ hxg5+ 41.Kg4 Ke5 42.Kxg5 Kxe4 43.Kf6 Kxd5
44.Kxf7 Ke5 45.g4 Kf4 46.Ke6 Kxg4 47.Kd5 c5 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Lev Gutman"]
[Black "Boris Markovich Kogan"]
[ECO "A07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "139"]

1.Nf3 d5 2.g3 g6 3.Bg2 Bg7 4.d4 Nf6 5.O-O c6 6.Bf4 Qb6 7.Qc1
O-O 8.c4 dxc4 9.Nbd2 Be6 10.e4 Na6 11.Ng5 Bg4 12.h3 Be2 13.Re1
Bd3 14.Ngf3 Nb4 15.Nxc4 Qa6 16.Nce5 Bxe4 17.Bf1 Qb6 18.Rxe4
Nxe4 19.Nd7 Qd8 20.Nxf8 Kxf8 21.Qe1 Nc2 22.Qxe4 Nxa1 23.Bc4 e6
24.Qb1 Bxd4 25.Qxa1 Bg7 26.Qc1 Qf6 27.Ne5 Kg8 28.h4 Qe7 29.Qe3
a6 30.Bb3 Re8 31.h5 gxh5 32.Qe2 h4 33.Qg4 hxg3 34.Qxg3 Kh8
35.Qh3 Kg8 36.Bc2 f5 37.Qh5 Rf8 38.Bb3 c5 39.Qe2 Rf6 40.Nf3
Rg6+ 41.Kf1 b5 42.Ne5 Qb7 43.f3 Bxe5 44.Bxe5 c4 45.Bc2 Qd5
46.Qe3 h5 47.Qf4 c3 48.Bxc3 Qc4+ 49.Qxc4 bxc4 50.Be1 Kf7 51.b3
c3 52.b4 Ke7 53.Bxc3 h4 54.Be5 h3 55.Bd3 Rg2 56.Be2 f4 57.Bxf4
Kf6 58.Bxa6 e5 59.Bc8 exf4 60.Bxh3 Rxa2 61.Bd7 Ke5 62.b5 Rb2
63.Bc6 Kd4 64.Bd7 Ke3 65.Bc6 Rb3 66.Kg2 Ke2 67.Kh3 Ke3 68.Kg4
Rc3 69.Be4 Rb3 70.Bc6 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Jean Hebert"]
[Black "Joseph M Bradford"]
[ECO "A57"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "62"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 d6 6.Nc3 g6 7.Nf3 Bg7
8.a4 O-O 9.h3 Nbd7 10.bxa6 Qa5 11.Nd2 Bxa6 12.Bxa6 Qxa6 13.Qe2
Rfb8 14.Ra3 Rb4 15.a5 Ne8 16.Qxa6 Rxa6 17.Kd1 Nc7 18.Kc2 Nf6
19.e4 Nb5 20.Nxb5 Rxb5 21.f3 Rbxa5 22.Nc4 Ra4 23.b3 Rxa3
24.Bxa3 Nh5 25.Rd1 Nf4 26.Rd2 Bd4 27.h4 f6 28.g3 Nh5 29.Rg2
Kf7 30.Bb2 Bxb2 31.Kxb2 Ra7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1-0"]
[White "Ron W Henley"]
[Black "Yehuda Gruenfeld"]
[ECO "A77"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "39"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.e4
Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Nbd7 11.a4 Ne5 12.h3 g5 13.Nf3
Nxf3+ 14.Bxf3 Nd7 15.Bg4 Ne5 16.Bxc8 Rxc8 17.Qh5 Nd3 18.Bxg5
Qd7 19.Bh6 Bf6 20.Qf3 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "John A Peters"]
[Black "Michael A Brooks"]
[ECO "B50"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "78"]

1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.Bd3 g6 5.Bc2 Bg7 6.O-O O-O 7.d4
Nc6 8.Nbd2 Qc7 9.Re1 cxd4 10.cxd4 Bg4 11.Nb3 Rac8 12.Re3 e5
13.Rc3 Qe7 14.d5 Nd4 15.Be3 Nxf3+ 16.gxf3 Bh3 17.Bd3 Nh5
18.Bf1 Bxf1 19.Qxf1 Nf4 20.Rac1 Rxc3 21.Rxc3 f5 22.Kh1 Qd7
23.Nd2 Bf6 24.Bxa7 Ra8 25.Ra3 Bd8 26.Bc5 Rc8 27.Bb4 fxe4
28.fxe4 Rc2 29.Qb1 Qc8 30.Rc3 Rxc3 31.Bxc3 Nh3 32.Qf1 Bb6
33.f3 Nf2+ 34.Kg1 Nxe4+ 35.Kg2 Nxd2 36.Bxd2 e4 37.Qe2 exf3+
38.Qxf3 Qc2 39.Qe2 Qxb2 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "Samuel Reshevsky"]
[Black "Karl Burger"]
[ECO "E47"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "58"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nge2 d5 7.O-O
cxd4 8.exd4 dxc4 9.Bxc4 Bd6 10.Ng3 a6 11.a3 b5 12.Ba2 Bb7
13.Bg5 h6 14.Bxf6 Qxf6 15.d5 Be5 16.dxe6 fxe6 17.Qg4 Kh8
18.Bxe6 Bxc3 19.bxc3 Nc6 20.Nh5 Qxc3 21.Rad1 Rad8 22.Nf4 Ne5
23.Rxd8 Rxd8 24.Qf5 Re8 25.Qh5 Bc6 26.Rd1 Qc2 27.Bd5 Rd8
28.Re1 Bxd5 29.Qxe5 Bf7 1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1-0"]
[White "Andrew Soltis"]
[Black "Nigel Rodney Davies"]
[ECO "B10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "83"]

1.e4 c6 2.d3 d5 3.Nd2 Na6 4.g3 Nc7 5.Bg2 g6 6.f4 Bg7 7.Ngf3
Nf6 8.Qe2 O-O 9.e5 Nfe8 10.h3 f5 11.exf6 exf6 12.O-O Nd6
13.Nb3 b6 14.g4 c5 15.Bd2 Bb7 16.Qf2 Qd7 17.Qg3 Rae8 18.Rf2
Rf7 19.Raf1 d4 20.f5 g5 21.c4 dxc3 22.bxc3 c4 23.Nbd4 cxd3
24.Ne1 Ne4 25.Bxe4 Bxe4 26.Nxd3 Bf8 27.h4 h6 28.Re1 Nb5
29.Rfe2 Rfe7 30.Nf2 Bd5 31.Rxe7 Rxe7 32.Ne6 Bxe6 33.Ne4 Kg7
34.hxg5 hxg5 35.Bxg5 Bc4 36.Bxf6+ Kf7 37.Bxe7 Bxe7 38.f6 Bf8
39.Qh4 Qc7 40.Qh5+ Kg8 41.Qg6+ Kh8 42.Re3 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1/2-1/2"]
[White "David J Strauss"]
[Black "Robert M Sulman"]
[ECO "A17"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "78"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.a3 Ba5 6.e3 O-O 7.d4 b6
8.Be2 d5 9.dxc5 bxc5 10.O-O d4 11.Na4 Qd6 12.b4 cxb4 13.axb4
Bxb4 14.c5 Qc7 15.Rb1 Nc6 16.Nxd4 Nxd4 17.exd4 Rb8 18.Bf3 Bd7
19.Bg5 Bc6 20.Bxf6 gxf6 21.Bxc6 Qxc6 22.Rb3 Qd5 23.Rd1 Ba5
24.Rh3 f5 25.Qc1 f6 26.Nc3 Qc4 27.d5 exd5 28.Nxd5 Qxc1 29.Rxc1
Kg7 30.Ra3 Rb5 31.g3 Rc8 32.Nf4 Bd2 33.Rxa7+ Kh6 34.Rd1 Bxf4
35.Rdd7 Rh8 36.gxf4 Rxc5 37.Rf7 Kg6 38.Rg7+ Kh6 39.Kg2 Rcc8
1/2-1/2

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "0-1"]
[White "John L Watson"]
[Black "Vincent McCambridge"]
[ECO "A37"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "68"]

1.c4 g6 2.Nc3 Bg7 3.g3 c5 4.Bg2 Nc6 5.Nf3 e6 6.d3 Nge7 7.O-O
d5 8.Bf4 O-O 9.Rb1 b6 10.a3 Bb7 11.Qa4 a6 12.Rfc1 dxc4 13.dxc4
Na5 14.Ne1 Bxg2 15.Nxg2 Nf5 16.Ne4 Nd4 17.Qd1 Ndb3 18.Qc2 Nxc1
19.Rxc1 Nc6 20.Nc3 Qe7 21.Kf1 Rfd8 22.Qe4 Rac8 23.Na4 Qb7
24.Be3 Qc7 25.Qh4 Nd4 26.Bf4 Qc6 27.Nc3 Nf5 28.Qg4 Rd7 29.h4
Bxc3 30.bxc3 Rcd8 31.Kg1 Rd1+ 32.Rxd1 Rxd1+ 33.Kh2 Qe4 34.Bc7
Qxg4 0-1

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1-0"]
[White "Jay E Whitehead"]
[Black "James A Thinnsen"]
[ECO "A07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "43"]

1.g3 c5 2.Bg2 Nc6 3.d3 g6 4.e4 Bg7 5.f4 d6 6.Nf3 e6 7.O-O Nge7
8.g4 O-O 9.f5 exf5 10.gxf5 gxf5 11.Nc3 Ne5 12.Nxe5 dxe5
13.exf5 Nxf5 14.Qh5 Nd4 15.Bg5 Qd6 16.Rf6 Bxf6 17.Ne4 Bxg5
18.Nxd6 Be3+ 19.Kh1 f5 20.c3 Nc6 21.Re1 Bf4 22.Rg1 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1-0"]
[White "Michael Wilder"]
[Black "Anatoly Lein"]
[ECO "A46"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "53"]

1.d4 Nf6 2.Nf3 d6 3.Nc3 Bf5 4.g3 Qc8 5.Bg2 Bh3 6.O-O Bxg2
7.Kxg2 d5 8.Qd3 Nbd7 9.Re1 e6 10.e4 dxe4 11.Nxe4 Be7 12.Bg5
O-O 13.Rad1 h6 14.Bd2 Rd8 15.c4 c6 16.Qc2 b5 17.b3 Qa6 18.c5
Nxe4 19.Rxe4 Nf6 20.Rh4 Rd5 21.Re1 Rad8 22.Bxh6 gxh6 23.Rxe6
Kf8 24.Rxh6 Ng8 25.Rh8 f5 26.Qe2 Kg7 27.Ne5 1-0

[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.08"]
[EventDate "1981.??.??"]
[Round "9"]
[Result "1-0"]
[White "Perry Youngworth"]
[Black "Ian Duncan Wells"]
[ECO "E43"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "125"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 O-O 7.O-O
c5 8.Na4 cxd4 9.a3 Be7 10.exd4 d6 11.b4 Nbd7 12.Re1 Rc8 13.Bd2
Re8 14.Nc3 Qc7 15.Rc1 Qb8 16.Ng5 h6 17.Nge4 Nxe4 18.Nxe4 d5
19.cxd5 Bxd5 20.Nc3 Nf6 21.Nxd5 Nxd5 22.Qg4 Nf6 23.Qf3 Qd6
24.Qb7 Rxc1 25.Bxc1 Ng4 26.h3 Nxf2 27.Kxf2 Bh4+ 28.Ke2 Bxe1
29.Kxe1 Qxd4 30.Qe4 Qg1+ 31.Kd2 Kf8 32.Bb2 Rc8 33.Qg4 Qf2+
34.Qe2 Qg3 35.Qf3 Qg5+ 36.Kd1 g6 37.Qb7 Rd8 38.Kc2 e5 39.Qe4
Re8 40.Kb3 h5 41.Ka2 Re7 42.Qd5 Qd2 43.Qd8+ Re8 44.Qd6+ Kg8
45.Qd5 Re6 46.Qa8+ Kg7 47.Bc4 Re7 48.Bb3 Qd6 49.b5 Qd7 50.Qc6
f6 51.Qc4 Qe8 52.g4 hxg4 53.hxg4 g5 54.a4 Qd8 55.Qe4 Qh8
56.Bc2 Qh6 57.Qf5 Rf7 58.Ba3 Rc7 59.Bd6 Rf7 60.Bb3 Qh2+ 61.Bc2
Qh6 62.Kb2 Rb7 63.Bf8+ 1-0

