[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "1"]
[White "Korchnoi, Viktor"]
[Black "Kholmov, Ratmir"]
[Result "0-1"]
[ECO "A30"]
[Annotator "JvR"]
[PlyCount "82"]
[EventDate "1964.??.??"]

{Moscow 1964 was a zonal tournament for three places in the interzonal,
Amsterdam 1964. The best six players of the Soviet championship, Leningrad
1963, and Korchnoi participated. Moscow 1964 took place from February 18 to
March 10.} 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4
cxd4 8. Qxd4 O-O 9. e4 Nc6 10. Qe3 d6 11. Rd1 Qc7 12. Qe2 Ne5 13. b3 Nxf3+ 14.
Bxf3 a6 15. Bb2 Rfd8 16. Rac1 Rab8 {
Black remains passive. The rook can go to c8 in one move.} 17. Rc2 Rbc8 18. Bg2
Bc6 19. Rcd2 Rb8 20. Rc1 Qb7 21. a4 a5 $6 {
This commitment weakens the queenside.} 22. Ba3 Nd7 $5 {
A temporary sacrifice eliminates the weakness d6.} 23. Bxd6 Bxd6 24. Rxd6 Nc5
25. Rcd1 Qc7 ({Avoids} 25... Rxd6 26. Rxd6 Nxb3 $4 27. Qd1 {(Suetin).}) 26. e5
$1 Bxg2 27. Nb5 Qe7 28. Kxg2 Nxb3 29. Qf3 Nc5 30. Nd4 $1 Rxd6 31. exd6 Qf6 32.
Qc6 ({A better rook ending brings} 32. Nc6 Qxf3+ 33. Kxf3 Rb7 34. Ne5 Rb8 35.
Rb1 $1 f6 36. Nc6 Rb7 37. Rb5 $1 Nxa4 38. Nxa5 Rd7 39. Rb4 bxa5 40. Rxa4 Rxd6
41. Rxa5 Rd3+ 42. Ke4 Rd2 43. Ke3 Rc2) 32... e5 33. Qc7 $4 {
Suddenly Korchnoi makes a terrible blunder.} (33. Ne2 $1 Qe6 34. Qc7 Nd7 35.
Nc3 {keeps a positional advantage.}) 33... Na6 34. Qa7 exd4 35. c5 bxc5 36.
Qxa6 Rd8 37. Rb1 h5 38. Rb6 Qe6 39. Qxa5 Qd5+ 40. Kg1 d3 41. Rb1 Qxd6 0-1

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "1"]
[White "Spassky, Boris"]
[Black "Bronstein, David"]
[Result "1/2-1/2"]
[ECO "E40"]
[Annotator "JvR"]
[PlyCount "61"]
[EventDate "1964.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d6 5. e3 Nbd7 6. Bd2 b6 7. Bd3 Bb7 8. Qc2
e5 9. e4 O-O 10. O-O Re8 11. Rae1 Nf8 (11... exd4 12. Nxd4 Ne5 {is more active.
}) 12. a3 Bxc3 13. Bxc3 Ng6 14. Nd2 ({When the position is closed with} 14. d5
Nf4 15. Bd2 N6h5 {White has a plus.}) 14... Nf4 15. g3 exd4 16. Bxd4 Nxd3 17.
Qxd3 Nd7 18. Re3 Ne5 19. Qe2 Qd7 20. f3 a5 21. b3 Rad8 22. Re1 f6 23. Qf1 a4
24. b4 c5 25. Ba1 cxb4 26. axb4 Rc8 27. b5 Qe6 28. Rc1 f5 29. exf5 Qxf5 30. Bd4
Rf8 31. Rec3 (31. Rec3 Nxf3+ 32. Nxf3 Bxf3 33. Bxb6 Qh5 {
leads to a slight advantage for Black, but the players are happy with a draw.})
1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "1"]
[White "Suetin, Alexei"]
[Black "Geller, Efim"]
[Result "1-0"]
[ECO "B75"]
[Annotator "JvR"]
[PlyCount "76"]
[EventDate "1964.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. f3
Qb6 9. Bb5 Qc7 10. g4 $5 (10. Nd5 Nxd5 11. exd5 a6 {is 'theory'.}) 10... a6 $5
11. Ba4 e6 12. Qd2 O-O 13. Bb3 ({Little advantage gains} 13. Nxc6 bxc6 14.
O-O-O d5) 13... b5 14. Nxc6 Qxc6 15. O-O-O a5 16. a4 b4 17. Ne2 Ba6 18. Nd4 Qc7
19. Bh6 $1 Bc4 $1 {The threat 20.Bxg7 Kxg7 21.Bxc6 is countered (Mikenas).} 20.
Bxg7 Kxg7 21. Kb1 {Black has to fight back.} 21... Rad8 {This loses a tempo.} (
{Correct is} 21... Bxb3 $1 22. cxb3 d5 $1 23. g5 Nh5 24. exd5 exd5 25. Nb5 Qf4
26. Qxf4 Nxf4 27. Rd4 Ne6 28. Rxd5 Rh8) 22. h4 h5 $5 ({It is too late for} 
22... Bxb3 23. cxb3 d5 {due to} 24. h5 $1) 23. gxh5 Nxh5 24. Rhg1 Rh8 25. Qg5
Rc8 26. f4 $6 (26. Bxc4 Qxc4 27. Rd2 {keeps an advantage.}) 26... Qd8 27. f5 $1
Qxg5 28. hxg5 gxf5 $6 ({Better is} 28... Nf4 $1 29. Bxc4 Rxc4 30. f6+ Kg8 31.
Nb3 Rh2) 29. exf5 Nf4 30. fxe6 fxe6 31. Bxc4 Rxc4 32. Rgf1 e5 33. Nf5+ Kg6 34.
Nxd6 Rc6 35. b3 {Geller misses an elementary fork.} 35... Kxg5 $4 (35... Rh2 $1
36. Nc4 Rc5 37. Nxe5+ Rxe5 38. Rxf4 {only loses a pawn.}) 36. Nf7+ Kg6 37.
Nxh8+ Kg7 38. Rd8 Rc7 1-0

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "2"]
[White "Geller, Efim"]
[Black "Korchnoi, Viktor"]
[Result "0-1"]
[ECO "D27"]
[Annotator "JvR"]
[PlyCount "70"]
[EventDate "1964.??.??"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4 Nc6 8. Qe2
cxd4 9. Rd1 Be7 10. exd4 Nd5 11. Nc3 Ncb4 $6 ({Antoshin prefers} 11... O-O) 12.
Ne5 $1 O-O 13. Ne4 Nb6 14. Ra3 $5 f6 15. a5 $1 Nxc4 $6 (15... fxe5 16. axb6
exd4 17. Rh3 {is more consistent.}) 16. Nxc4 Nd5 17. Rb3 ({Even better is} 17.
Rg3 $1 Qc7 18. Bh6 Rf7 19. Rc1 {(Antoshin).}) 17... Qc7 18. Nc3 Bd7 $5 ({
A pawn saves} 18... Rb8 19. Nxd5 exd5 20. Nb6 Bd6 21. Rc3 (21. Nxd5 $2 Qf7)
21... Qf7) 19. Nxd5 exd5 20. Nb6 Rae8 21. Nxd5 Bd6 $3 {
The turning point of the game has been reached.} 22. Qf3 $2 ({Exchanges with} 
22. Qxe8 $1 Qc2 23. Qh5 $1 Qxb3 24. Bf4 g6 25. Qf3 Qxf3 26. gxf3 Bxf4 27. Nxf4
{lead to a better endgame for White.}) 22... Qxa5 23. Ne3 Ba4 24. Bd2 $2 (24.
Rxb7 Bxd1 25. Qxd1 {is better.}) 24... Bxh2+ $1 25. Kh1 ({The point is} 25.
Kxh2 Qc7+) 25... Qd8 26. Nf5 Bc7 27. Bh6 $5 Rf7 28. Rc1 Bxb3 29. Qxb3 g6 $1 30.
Ne3 f5 31. Kg1 Qd7 32. Nd5 Qe6 $1 {Black threatens 33...Qe1+.} 33. g3 f4 34.
Qxb7 fxg3 35. fxg3 Bf4 $1 {All whiter pieces are under attack.} 0-1

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "2"]
[White "Kholmov, Ratmir"]
[Black "Spassky, Boris"]
[Result "1-0"]
[ECO "B84"]
[Annotator "JvR"]
[PlyCount "113"]
[EventDate "1964.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Be7 8. Be3
Qc7 9. f4 O-O 10. g4 $1 Nc6 $2 ({
White has to counterattack in the centre immediately with} 10... d5 $1 11. exd5
Nxd5 12. Nxd5 exd5 13. Bf3 Nc6 {(Hort-Pachman, Champ. Czechoslovakia 1959).})
11. g5 Nd7 12. f5 $1 {Black meets great problems.} 12... Nde5 $6 ({The retreat
} 12... Qd8 {prevents f5-f6. Black has decent chances in:} 13. fxe6 (13. g6
Nxd4 14. gxh7+ Kh8 15. Qxd4 Ne5) 13... Bxg5 14. Bxg5 Qxg5+ 15. Kh1 Nde5) 13. f6
$1 Bd8 14. fxg7 $6 (14. Bd3 Nxd4 15. Bxd4 {
is stronger (Sutovskij-J. Polgar, Tilburg 1996).}) 14... Re8 $2 ({Correct is} 
14... Kxg7 $1 15. Qd2 b5 {(Sax-Stean, Moscow 1977)} 16. a3 $1) 15. Qd2 b5 16.
Bh5 Ne7 17. b3 ({Kholmov does not like} 17. Ndxb5 $1 axb5 18. Nxb5 Qc6 19. Nxd6
Bb7 {but} 20. Rxf7 $1 Nxf7 21. Bxf7+ Kxg7 22. Qd4+ {crushes the defence.})
17... N7g6 18. a4 bxa4 19. Rxa4 Bb7 20. Nf3 Qe7 21. Nxe5 dxe5 22. Rc4 Kxg7 23.
Na4 Kg8 24. Bxg6 hxg6 25. Qc3 $1 Bd5 $5 ({Black avoids} 25... Qd6 26. Bc5 Qb8
27. Qf3 Qc7 28. Bd6 $1) 26. exd5 exd5 27. Rc6 $1 Qd7 ({The pointe is} 27... d4
28. Qc4 dxe3 29. Rxg6+ $1 Kf8 30. Qh4) 28. Bf2 $1 Ba5 29. Rxg6+ $2 ({This time
} 29. Nb6 $1 {wins at once.}) 29... fxg6 30. Qxa5 Rf8 31. Nc3 Qg4+ 32. Bg3 Qd4+
33. Rf2 Rac8 34. Qxd5+ Qxd5 35. Nxd5 Rxf2 36. Kxf2 Rxc2+ 37. Ke3 Kf7 38. Kd3
Rc5 39. Ne3 $2 (39. Ke4 Ke6 40. Nb4 $1 a5 41. Nd3 {wins the e-pawn.}) 39... Ke6
40. h4 Rb5 41. Kc4 Ra5 42. Kc3 Rc5+ 43. Nc4 e4 44. Bf2 ({Antoshin warns for} 
44. Kd4 Rb5 45. Nd2 $4 Rd5+) 44... Rd5 45. Bd4 Rf5 46. Ne3 Rf7 $6 ({
More resistance offers} 46... Rf4 $1 47. Bf6 Rxh4 48. Kd4 $1 Kf7 49. Kd5 {
but Black loses too much terrain.}) 47. Kb4 Rb7+ 48. Ka4 Rd7 49. Bc5 Rd2 50.
Ka5 Ra2+ 51. Kb6 Ke5 52. b4 Kf4 53. Nd5+ $1 Kf3 ({The points are} 53... Kg4 54.
Nc3 $1) ({and} 53... Ke5 54. Ne7 $1) 54. Ka7 Rd2 55. Ne3 Ra2 56. h5 $1 {
A breakthrough decides the game.} 56... a5 ({Kholmov analyses} 56... gxh5 57.
g6 Rd2 58. Nf5 Rd8 59. g7 Rg8 60. Bf8 e3 61. Nh6 e2 62. Nxg8 e1=Q 63. Nf6 Qg1+
64. Kb7 $18) 57. b5 $1 {Kholmov has scored two wins and Geller lost twice.} 1-0

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "2"]
[White "Stein, Leonid"]
[Black "Suetin, Alexei"]
[Result "1/2-1/2"]
[ECO "B47"]
[PlyCount "60"]
[EventDate "1964.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O a6 8. a3
Bd6 9. Kh1 Nxd4 10. Qxd4 Be5 11. Qd3 O-O 12. f4 Bxc3 13. bxc3 d5 14. e5 Ne4 15.
c4 Qxc4 16. Qxc4 dxc4 17. Bxc4 Bd7 18. Bd3 Bc6 19. Be3 Rac8 20. Rfe1 Nc3 21.
Bd4 Bb5 22. Bxc3 Rxc3 23. Bxb5 axb5 24. Reb1 Rxc2 25. Rxb5 Rfc8 26. h3 R8c7 27.
Rab1 Rc1+ 28. Rxc1 Rxc1+ 29. Kh2 Rc7 30. a4 Kf8 {Stein began quietly.} 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "3"]
[White "Bronstein, David"]
[Black "Kholmov, Ratmir"]
[Result "1/2-1/2"]
[ECO "E19"]
[Annotator "JvR"]
[PlyCount "53"]
[EventDate "1964.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2
Nxc3 9. Qxc3 f5 10. d5 Bf6 11. Qc2 Na6 12. Be3 c6 13. dxe6 dxe6 14. a3 c5 15.
Ne1 Qe7 16. Bxb7 Qxb7 17. Rb1 Nb8 $1 18. b4 cxb4 19. axb4 Nc6 20. Nd3 Rac8 21.
Qa2 Qf7 22. c5 $1 b5 23. Qa6 e5 $1 24. Qxb5 f4 $1 {Bronstein has taken the
initiative. Kholmov defends well and delivers a perpetual check.} 25. gxf4 Qg6+
26. Kh1 Qe4+ 27. Kg1 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "3"]
[White "Korchnoi, Viktor"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "D93"]
[Annotator "JvR"]
[PlyCount "63"]
[EventDate "1964.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3 c5 7. dxc5 Qa5 8. Rc1
Rd8 $6 ({The exchanges} 8... dxc4 9. Bxc4 Qxc5 {
lead to an equal position (Kan-Tal, Riga 1954).}) 9. Qa4 Qxc5 10. b4 Qc6 11.
Qxc6 bxc6 12. Bc7 Rd7 13. Ba5 Ne4 $5 14. Nxe4 dxe4 15. Ng5 c5 $1 16. Nxe4 cxb4
{Black offers a pawn for counteraction.} 17. Bxb4 (17. Nc5 {is answered with}
17... Nc6 $1 18. Nxd7 Bxd7 19. Bc7 Rc8 20. Bf4 Bc3+) 17... Na6 18. Bc3 Bb7 19.
Bxg7 Kxg7 20. Nc3 Rad8 21. f3 Rd2 22. Be2 Nb4 23. Nd5 Rb2 24. Nxb4 Rxb4 25. Kf2
Rd2 26. Rb1 Rxb1 27. Rxb1 Ba6 28. Rc1 Rxa2 29. f4 Bb7 30. Kf1 a5 ({
Stein avoids the trap} 30... Bxg2+ $2 31. Kxg2 Rxe2+ 32. Kf3 Rxh2 33. c5 Rd2
34. c6 Rd8 35. c7 Rc8 36. Ke4 $18) 31. c5 Bc6 32. h4 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "3"]
[White "Spassky, Boris"]
[Black "Geller, Efim"]
[Result "0-1"]
[ECO "C85"]
[Annotator "JvR"]
[PlyCount "148"]
[EventDate "1964.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. d3 Nd7 8.
Nbd2 O-O 9. Nc4 Bf6 $6 (9... f6 {is more solid.}) 10. Bd2 Re8 11. a4 $5 Nf8 12.
a5 b5 13. Ne3 $6 (13. axb6 cxb6 14. b4 {keeps some pressure (Geller).}) 13...
c5 14. b3 Be6 15. Bc3 Ng6 16. Nd2 Qd7 17. g3 $6 {
A slight weakening helps Black.} 17... Bh3 18. Ng2 Be7 19. Re1 Rad8 20. Ne3 Bg5
21. Qf3 f6 22. Qe2 Nf8 23. f3 Ne6 24. Qf2 Nd4 25. Ndf1 Qf7 26. f4 Bh6 27. Bxd4
cxd4 28. Nf5 Qg6 ({No advantage brings} 28... Bxf5 29. exf5 exf4 30. Rxe8+ Rxe8
31. g4 $1) 29. Nxh6+ Qxh6 30. Nd2 c5 31. Rac1 Rd7 32. Qf3 Qg6 33. f5 Qg5 34.
Qf2 Rc8 {Both playersd wish to open the queenside.} 35. Kh1 Rdc7 36. c3 dxc3
37. Rxc3 Rd8 38. Nf3 Qg4 39. Ng1 h5 40. Nxh3 Qxh3 41. Qe2 $1 {
The adjourned position is resumed after one hour. White stays passive.} (41.
Rxc5 $2 Rcd7 $19 {(Geller).}) (41. b4 $2 c4 $1 42. dxc4 Rxc4 43. Rxc4 bxc4 44.
Qe2 Rd4 $19) 41... Rd4 42. Kg1 Kh7 {
White has to apply the principles correctly.} 43. Rec1 $2 (43. Rd1 $1 {
overprotects d3, and} 43... Qg4 44. Kf2 $1 {protects the queen.}) 43... Rcd7
44. Rd1 Qg4 45. Qxg4 ({The point is} 45. Kf2 Rxe4 $1 {(Panov).}) 45... hxg4 46.
Rxc5 Rxe4 $1 47. Kf2 ({No relief brings} 47. dxe4 Rxd1+ 48. Kf2 Rh1 $1 {
(Panov), or}) (47. Rc6 Rb4 48. Rxa6 Rxb3 49. Rb6 Kh6) 47... Rb4 48. Rc3 Kh6 49.
Ke3 Kg5 50. Rc6 $5 ({The alternative} 50. Rf1 Rbd4 51. Ke2 b4 {
also loses a pawn.}) 50... Rxb3 51. Rxa6 Kxf5 52. Rb6 Ra7 53. Rf1+ Kg6 54. Ra1
Rd7 55. Rd1 Rd4 56. a6 Ra4 57. Rd2 Rba3 58. Rxb5 Rxa6 {
The game is adjourned for the second time.} 59. Rb4 R6a4 60. Rbb2 Kg5 61. Ke2
g6 62. Ke3 Ra1 63. d4 $5 R4a3+ 64. Ke4 Re1+ 65. Kd5 e4 $1 66. Re2 Rxe2 67. Rxe2
Kf5 68. Rf2+ Rf3 69. Re2 e3 70. Re1 g5 71. Re2 Kg6 $1 72. Ke6 f5 {
The critical position of the rook ending has arisen.} 73. Ra2 ({
Longer resistance offers} 73. d5 $1 f4 74. d6 Rf1 75. d7 Rd1 {
(Geller). A nice finish is} 76. Ke7 f3 $1 77. Rxe3 f2 78. Re6+ Kg7 79. Rd6 f1=Q
80. Rxd1 Qf6+ 81. Ke8 Qf8#) 73... f4 74. d5 e2 $1 (74... e2 75. Rxe2 Re3+ {
is clear. Spassky had a throat infection and started poorly.}) 0-1

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "4"]
[White "Geller, Efim"]
[Black "Bronstein, David"]
[Result "1/2-1/2"]
[ECO "A13"]
[Annotator "JvR"]
[PlyCount "192"]
[EventDate "1964.??.??"]

1. c4 e6 2. g3 d5 3. Bg2 c6 4. Nf3 Nf6 5. b3 a5 $5 6. O-O a4 7. bxa4 $5 dxc4 8.
Qc2 Qa5 9. Qxc4 Qxa4 10. Qd3 $5 Nbd7 11. Nc3 Qa5 12. Bb2 Be7 13. Ne4 O-O 14.
Nxf6+ Bxf6 15. Bxf6 Nxf6 16. Rfb1 $6 (16. Qe3 Rd8 17. Rfb1 Ng4 18. Qb6 {
ends the provocation.}) 16... e5 $1 17. Qc2 e4 18. Ne1 Re8 19. d3 e3 $1 {
Black has gained a plus, but White will defend well.} 20. f4 $5 Ra7 21. Nf3 Be6
22. Rb2 Bd5 23. Rab1 Re7 24. a4 Ne8 25. Rb4 Nd6 26. Ne5 Bxg2 27. Kxg2 Qd5+ 28.
Kg1 c5 29. Rb6 f6 30. Nf3 Ra5 31. Qc3 $1 Ra8 ({Lilienthal mentions} 31... Rxa4
$2 32. Rxd6 $1 Qxd6 33. Qb3+) 32. a5 Rc7 33. Qb3 c4 $6 ({
Black keeps a plus with} 33... Qxb3 34. R1xb3 Rd7 {(Lilienthal).}) 34. dxc4
Nxc4 35. Rxb7 Rxb7 36. Qxb7 Qxb7 37. Rxb7 Rxa5 38. Rc7 Nd6 39. Rc3 Ra1+ 40. Kg2
Ra2 41. Rxe3 Nc4 42. Re4 Nd2 43. Re7 Nxf3 44. Kxf3 h5 $1 {
A theoretical draw has been reached.} 45. h3 Ra3+ 46. Re3 Ra1 47. Rd3 Rf1+ 48.
Kg2 Re1 49. Rd8+ Kf7 50. Kf2 Ra1 51. Rh8 Ra5 52. Kf3 Rb5 53. Rd8 g5 54. Rd3 Kg6
55. e4 gxf4 56. gxf4 Rb1 57. Re3 Rb4 58. Rc3 Ra4 59. Ke3 Kg7 60. Rc7+ Kh6 61.
f5 Ra3+ 62. Kf4 Ra4 63. Rc6 Kg7 64. Rc7+ Kg8 65. Rc3 Kg7 66. Rg3+ Kf7 67. Rd3
Kg7 68. Rd7+ Kg8 69. Ke3 Ra3+ 70. Rd3 Ra4 71. Rc3 Kg7 72. Rc7+ Kg8 73. h4 Kf8
$5 74. Kd3 ({No use has} 74. Rh7 Kg8 75. Rxh5 Kg7) 74... Ra1 75. Kd4 Rd1+ 76.
Kc5 Rd2 77. Ra7 Rd1 78. Kc4 Rd2 79. Kc5 Rd1 80. Rb7 Rd2 81. Rb4 Ke7 82. Rd4
Rc2+ 83. Kd5 Ra2 84. Rd1 Ra5+ 85. Kd4 Ra4+ 86. Ke3 Ra3+ 87. Rd3 Ra1 88. Rb3 Rh1
89. Kd4 Rd1+ 90. Rd3 Ra1 91. Kc5 Ra5+ 92. Kb4 Ra1 93. Rd4 Rc1 94. Rc4 Rb1+ 95.
Kc5 Ra1 96. Rb4 Rc1+ 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "4"]
[White "Stein, Leonid"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "C89"]
[Annotator "JvR"]
[PlyCount "63"]
[EventDate "1964.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15.
Be3 Bg4 16. Qd3 Rae8 17. Nd2 Re6 18. a4 bxa4 $6 19. Rxa4 f5 {
Stein has prepared a novelty in this risky variation of the Marshall.} 20. Qf1
$1 ({Boris had a great success in} 20. f4 $2 Bxf4 $3 21. Bf2 $2 (21. Bxd5 cxd5
22. gxf4 Rg6 23. Rxa6 Be2+) 21... Rxe1+ 22. Bxe1 Re8 {
(Novopashin-Spassky, Leningrad 1963).}) 20... f4 $1 21. Qxh3 Bxh3 22. Rxa6 fxe3
23. Rxe3 Rxe3 $1 24. fxe3 Be7 {
Spassky will experience a prepared move in this position later.} 25. Rxc6 $6 ({
Stronger is} 25. e4 $1 Bg5 26. exd5 Bxd2 27. dxc6+ Kh8 28. Ra1 g6 {
and Boris barely survived in Parma-Spassky, Banja Vrnjacka 1965.}) 25... Bg5 $1
26. Bxd5+ Kh8 27. Bg2 Bxe3+ 28. Kh1 Bxg2+ 29. Kxg2 Bxd2 30. b4 g5 31. g4 Be1
32. d5 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "4"]
[White "Suetin, Alexei"]
[Black "Korchnoi, Viktor"]
[Result "1/2-1/2"]
[ECO "B41"]
[Annotator "JvR"]
[PlyCount "74"]
[EventDate "1964.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Bd3 e5 $1 {
Black continues his development in a natural way.} 7. Nb3 d5 $1 8. N1d2 Nc6 9.
O-O Be7 10. exd5 Nxd5 11. Bc5 Be6 12. Re1 Qc7 13. Bxe7 Qxe7 14. Nc4 f6 15. Be4
Rd8 16. Qh5+ Bf7 17. Qf3 O-O 18. Ne3 Nxe3 19. Rxe3 Rd6 20. Rd3 Rfd8 21. Rad1 g6
22. h3 Rxd3 23. Rxd3 Rxd3 24. Qxd3 Nb4 25. Qc3 Nxa2 26. Qc8+ Kg7 27. Nc5 b6 28.
Nxa6 Nb4 29. c3 Nxa6 30. Qxa6 f5 31. Bc6 Qd8 32. Qe2 Qd6 33. Ba4 e4 34. Qe3 Bc4
35. h4 b5 36. Bc2 Bd3 37. Bb3 Bc4 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "5"]
[White "Bronstein, David"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "D79"]
[Annotator "JvR"]
[PlyCount "61"]
[EventDate "1964.??.??"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 c6 7. cxd5 cxd5 8. Ne5
e6 9. Nc3 Nfd7 10. Nf3 {
Bronstein has no aspiration. Stein tries to keep the game going.} 10... Nc6 11.
a3 Nb6 12. Bg5 f6 13. Be3 g5 14. h3 h6 15. Bc1 f5 16. e3 Bd7 17. b3 Be8 18. Bb2
Rc8 19. Rc1 Bh5 20. Ne2 Nd7 21. Qd3 Bg6 22. Qd1 Bh5 23. Qd3 Bg6 24. Qd1 Qe7 25.
Ne1 Bh5 26. Nf3 Qd6 27. Qd3 a6 28. Rfe1 Ne7 29. Qd2 Bf6 30. Rxc8 Rxc8 31. Rc1
1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "5"]
[White "Kholmov, Ratmir"]
[Black "Geller, Efim"]
[Result "1/2-1/2"]
[ECO "C96"]
[Annotator "JvR"]
[PlyCount "84"]
[EventDate "1964.??.??"]

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 Na5 10. Bc2 c5 11. d4 Nd7 {Keres made this move popular. Black
prepares an opening of the Closed Ruy Lopez.} 12. Nbd2 cxd4 13. cxd4 Nc6 14.
Nf1 exd4 15. Nxd4 Nxd4 16. Qxd4 Ne5 17. f4 $5 ({Less ambitious is the previous
} 17. Qd1 {(Kholmov-Novopashin, Leningrad 1963).}) 17... Nc6 18. Qf2 Bh4 $1 {
Black gains potential counter-play on the long diagonal a8-h1.} 19. g3 Bf6 20.
Rd1 $1 Qc7 21. Kh2 Bb7 22. Bb1 Rfe8 23. Be3 Rac8 24. Bb6 Qb8 25. Ne3 Ba8 26.
Nd5 Bd8 27. Bxd8 Rcxd8 28. a4 {Most pieces operate from a long distance.} 28...
Ne7 {An attack on the blockader has a high priority.} 29. Ne3 $6 ({
A positional plus keeps} 29. Nb4 $1 Qc8 30. axb5 axb5 31. Bd3) 29... d5 $1 {
A freeing move liberates.} 30. e5 d4 31. Ng2 Qb6 32. axb5 axb5 33. Ra3 g6 $6 ({
Pressure remains with} 33... b4 34. Rad3 Be4 35. R3d2 Bxb1 36. Rxb1 Rd5 37.
Rbd1 Red8) 34. Nh4 b4 35. Rad3 Rd7 36. R3d2 Qc5 37. Ba2 Nc6 38. Nf3 h6 39. Kg1
Qa7 40. Bb1 Qb7 41. Kh2 Na5 42. Nxd4 {
Black has ruined his kingside and lost a pawn.} 42... Qb6 ({
Boleslavsky analyses} 42... Nc4 $1 43. Re2 ({His main variation is} 43. Rc2 $2
Red8 $1 44. Rxc4 Rxd4 $1 45. Rcxd4 Rxd4 {and Black survives}) 43... Qb6 44. b3
Na3 45. f5 $1 Nxb1 46. e6 $1 fxe6 47. Rxe6 Qd8 48. Qf4 Rxe6 49. fxe6 g5 50.
exd7 $1 gxf4 51. Ne6 fxg3+ 52. Kxg3 Qb8+ 53. Kh4 {is far stronger.}) (42... Qb6
{Kholmov should have resumed the game. A great attack starts} 43. Qe2 $1 {
(threatens 44.Nb5)} 43... Red8 44. e6 $1 fxe6 45. Bxg6) 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "5"]
[White "Spassky, Boris"]
[Black "Suetin, Alexei"]
[Result "1-0"]
[ECO "B48"]
[Annotator "JvR"]
[PlyCount "81"]
[EventDate "1964.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. f4 b5 8. Nxc6
Qxc6 9. Be2 b4 $6 ({An excellent move is} 9... Ba3 {A solid answer gives} 10.
Nxb5 axb5 11. bxa3 Qxe4 12. Qd4 Nf6 13. Qxe4 Nxe4 14. Bxb5 {
(Malmdin-Bjuhr, Swedish corr. 1969).}) 10. Bf3 $1 bxc3 11. e5 cxb2 12. Rb1 $1
Bb4+ $1 ({Black improves on} 12... Qc3+ $6 13. Bd2 Qa3 14. Bxa8 {
(Ivkov-Szabo, Sarajevo 1963).}) 13. Kf2 Qc3 14. Bxa8 f6 15. Be4 $1 {
Overprotection of pawn c2 frees the queen for other tasks.} 15... Nh6 ({
Boleslavsky analyses the forced line} 15... fxe5 $6 16. Qh5+ g6 17. Bxg6+ $1
hxg6 18. Qxh8 Qxc2+ 19. Kg3 exf4+ 20. Bxf4 Qd3+ 21. Kh4 Be7+ 22. Bg5 Bxg5+ 23.
Kxg5 Qf5+ 24. Kh4 g5+ 25. Kh5 Kf7 (25... Qf7+ 26. Kxg5) 26. Rhf1 Nf6+ 27. Qxf6+
$1 $18) 16. exf6 Qxf6 17. Qh5+ Nf7 18. c4 $1 {White prevents d7-d5.} 18... g6
19. Qe2 Bc3 20. Bf3 O-O 21. Rhd1 g5 $1 22. Qd3 $1 {
Boris brings new life to the game.} 22... gxf4 23. Bd4 Bxd4+ 24. Qxd4 Ne5 25.
Rxb2 Nxc4 $1 26. Qxf6 Rxf6 27. Rb8 Rf8 28. Rc1 d5 29. Be2 Nd6 30. Rc6 Ne4+ 31.
Ke1 Bd7 32. Rxf8+ Kxf8 33. Rxa6 Ke7 34. Ra8 Kd6 35. a4 Bc6 36. Ra7 Nc5 37. a5 {
Black has chances in the centre.} 37... d4 $6 (37... Nd7 $1 {
restricts the rook.} 38. g3 fxg3 39. hxg3 d4) 38. Bf3 e5 $6 ({
More resistance offers} 38... Bb5 39. Rxh7 e5 40. Rh6+ Kc7 41. Rh5 Kd6 42. g3
fxg3 43. hxg3) 39. Bxc6 Kxc6 40. Rxh7 e4 41. a6 $1 (41. a6 {
The simple pointe is} 41... Nxa6 42. Rh6+ Kb5 43. Rxa6 Kxa6 44. h4) 1-0

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "6"]
[White "Korchnoi, Viktor"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "A54"]
[Annotator "JvR"]
[PlyCount "81"]
[EventDate "1964.??.??"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d6 5. Bg2 Be7 6. d4 O-O 7. d5 Nb8 8. e4
Bg4 9. h3 Bxf3 (9... Bh5 {is less passive.}) 10. Qxf3 c6 11. h4 a5 12. Qe2 Nfd7
$5 13. Bh3 Na6 14. Kf1 $5 Nc7 (14... Nac5 15. Kg2 a4 {
gives an active alternative.}) 15. Kg2 Rb8 16. Be3 cxd5 17. cxd5 Nc5 18. Rab1
Qe8 $6 ({Consistency shows} 18... b5 19. b4 axb4 20. Rxb4 N5a6 21. Rb3 b4) 19.
Rhd1 Rd8 20. b4 axb4 21. Rxb4 N7a6 22. Rb2 Ra8 23. Qc4 Kh8 24. a4 g6 25. Bh6
Rg8 26. a5 Bd8 27. Ra1 Qe7 28. Be3 Rf8 29. Nb5 f5 $1 {
At last Spassky becomes active.} 30. exf5 $6 (30. f3 $1 {
keeps the centre intact.}) 30... gxf5 31. Bg5 Qd7 32. f4 Qg7 33. Nxd6 exf4 34.
Rab1 Bxg5 35. hxg5 f3+ 36. Kxf3 Qe5 37. Nb5 ({Tal warns for} 37. Nxb7 $4 Ne4 $1
) 37... Rad8 38. Qc3 Rxd5 39. Qxe5+ Rxe5 40. Nd6 Rd5 41. Nxb7 (41. Nxb7 Rd3+
42. Kg2 Ne4 $11) 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "6"]
[White "Stein, Leonid"]
[Black "Kholmov, Ratmir"]
[Result "1/2-1/2"]
[ECO "C43"]
[Annotator "JvR"]
[PlyCount "59"]
[EventDate "1964.??.??"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 $5 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Nc3 Nc6
8. Qf4 Bf5 9. Bb5 $1 Qe7+ 10. Be3 Nxb5 11. Nxb5 Qb4+ 12. Qxb4 Bxb4+ 13. c3 Ba5
$2 ({Correct is} 13... Bd6 14. Nxd6+ cxd6 15. O-O-O Be6 16. Rxd6 Bxa2 {
(Matulovic-Kholmov, Sochi 1968).}) 14. b4 Bd3 $1 15. a4 a6 16. O-O-O $2 ({
White wins a pawn by} 16. Nbd4 $1 Bb6 17. Nxc6 bxc6 18. Bxb6 $1 cxb6 19. O-O-O
O-O-O 20. Ne5 Be4 21. Nxf7 Bxg2 22. Rxd8+ $1 Rxd8 23. Nxd8 Bxh1 24. Ne6 {
(Kholmov).}) 16... Be2 $1 {
The highlight of a theoretical duel has been reached.} 17. bxa5 ({Easily draws
} 17. Rde1 $1 Bxf3 18. gxf3 axb5 19. axb5 Nd8 20. bxa5 Ne6) 17... axb5 18. Rde1
Bxf3 19. axb5 Bd5 ({Black can play for a win with} 19... Nxa5 $1 {(Tal)} 20.
gxf3 O-O) 20. bxc6 Bxc6 21. Bg5+ Kf8 22. Be7+ Kg8 23. Bb4 b6 (23... Bxg2 $2 24.
Rhg1 {and White starts an attack.}) 24. axb6 cxb6 25. Kb2 h5 26. f3 h4 27. Re3
h3 28. g4 Kh7 29. c4 Ra4 30. Kb3 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "6"]
[White "Suetin, Alexei"]
[Black "Bronstein, David"]
[Result "0-1"]
[ECO "B18"]
[Annotator "JvR"]
[PlyCount "166"]
[EventDate "1964.??.??"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 Nf6 7. Nf4 Nd5 $5
{The players leave the theory fast.} 8. Nxg6 hxg6 9. Be2 Nf6 10. Qd3 e6 11. Bd2
Nbd7 12. O-O-O Qc7 13. Bf3 O-O-O 14. Qb3 Bd6 15. Kb1 Bf4 16. Be1 $5 {
White avoids exchange.} 16... g5 17. Nf1 g4 18. Be2 Bh6 19. f3 gxf3 20. Bxf3
Bf4 21. g3 Bd6 22. Ne3 Nd5 23. Nc4 Be7 24. Ba5 N5b6 25. Ne3 Bg5 26. Ng4 Rhe8
27. Nf2 c5 28. Bg2 cxd4 29. Rxd4 Nc5 30. Rxd8+ Rxd8 31. Qf3 Bf6 32. Nd1 Rd7 33.
Nc3 Qe5 34. Bxb6 axb6 35. Rd1 Rxd1+ 36. Nxd1 Qe1 37. a3 Kd8 38. h4 Ke8 39. h5
Be5 40. g4 Qd2 41. Bf1 Bf4 $1 42. Nc3 $1 Ke7 43. Be2 $2 ({Correct is} 43. Qe2 {
(Tal).}) 43... Qc1+ 44. Ka2 Be5 $1 45. Nd1 $5 {
White sacrifices a pawn in despair.} ({Horrible passivity brings} 45. Bd3 Bxc3
46. bxc3 Nxd3 47. Qxd3 Qf4 48. Qd1 Qc4+ 49. Kb2 e5) 45... Qxc2 46. Bb5 Qd2 47.
Kb1 Bf4 48. Nc3 Qc1+ 49. Ka2 Be5 50. Nd1 f6 51. Qe2 Bd4 52. Nf2 Bxf2 53. Qxf2
Qg5 54. Be2 Qd5+ 55. Kb1 Qe4+ 56. Ka2 Kd6 57. Bf3 Qc4+ 58. Kb1 Qd3+ 59. Ka2 e5
60. g5 $5 fxg5 61. Bxb7 $5 Qc4+ 62. Kb1 Qf4 {Bronstein plays it safe.} 63. Qg1
Qf5+ 64. Ka1 g4 65. b4 Nb3+ 66. Kb2 Nd4 67. Qd1 Qf2+ 68. Kb1 g3 69. Qd3 Qe1+
70. Kb2 Qe2+ 71. Kc3 Kc7 72. Qe4 Qc2+ 73. Qxc2 Nxc2 74. Be4 Ne3 75. Kd3 g2 76.
Bxg2 Nxg2 77. Ke4 Kd6 78. a4 Nf4 79. a5 bxa5 80. bxa5 Nxh5 81. a6 Nf6+ 82. Kf5
Nd5 83. a7 Nb6 0-1

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "7"]
[White "Bronstein, David"]
[Black "Korchnoi, Viktor"]
[Result "1-0"]
[ECO "D24"]
[Annotator "JvR"]
[PlyCount "71"]
[EventDate "1964.??.??"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. e4 b5 6. e5 Nd5 7. a4 Nxc3 8. bxc3
Qd5 9. g3 Bb7 10. Bg2 Qd7 11. Ba3 $1 e6 $6 12. Bxf8 Kxf8 13. O-O g6 14. Nh4 c6
$2 {Simagin advices the exchange of bishops.} 15. f4 Qe7 $6 (15... Kg7 16. Qg4
c5 {is better.}) 16. Qd2 Kg7 17. f5 exf5 18. Rxf5 $1 Bc8 19. Rf6 Ra7 20. Raf1
Be6 21. Qg5 Qe8 {The next three moves by White win against any defence.} 22.
Be4 Rg8 23. Ng2 $1 Kh8 24. Nf4 Re7 25. axb5 axb5 26. Qh6 Nd7 27. Bxc6 b4 28. d5
Bg4 29. e6 $1 {Black has been overwhelmed.} 29... Qf8 ({Clearly ends} 29...
fxe6 30. Nxg6+ $1 Rxg6 31. Rf8+) 30. Qxf8 Nxf8 31. h3 g5 32. d6 Rxe6 33. Nxe6
Bxe6 34. cxb4 Kg7 35. Be8 c3 36. Bxf7 1-0

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "7"]
[White "Geller, Efim"]
[Black "Stein, Leonid"]
[Result "1-0"]
[ECO "D87"]
[Annotator "JvR"]
[PlyCount "77"]
[EventDate "1964.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8.
Ne2 Nc6 9. O-O Na5 10. Bd3 c5 11. Be3 b6 12. Qd2 Nc6 $5 13. d5 $1 Ne5 14. Rad1
e6 15. Nf4 Qe8 $6 (15... Nxd3 $1 16. Qxd3 exd5 17. Nxd5 Be6 {
avoids difficulties.}) 16. Rfe1 Nxd3 17. Nxd3 exd5 18. exd5 Qd8 {
Black has wasted valuable time.} 19. c4 Ba6 20. Bh6 $1 Bxh6 21. Qxh6 Bxc4 22.
Ne5 Bb5 $1 (22... Bxa2 $2 23. Rd2 $1 Bb3 24. Re3 Bc2 25. Rh3 {ends quickly.})
23. Re3 Qf6 24. h4 $1 {White has a great attack for only one pawn.} 24... Rae8
$2 ({A proper defence gives} 24... Rad8 $1 25. h5 Ba4 {
Black seems to survive in} 26. Rd2 Rfe8 27. hxg6 hxg6 28. f4 Qg7) 25. Rde1 Qg7
26. Qf4 f6 27. Nc6 Bxc6 28. dxc6 Re5 ({Black ;oses in} 28... Rxe3 29. Rxe3 f5
30. Rd3 Qa1+ 31. Kh2 Qf6 32. c7 Rc8 33. Rd7) 29. Rd1 Qc7 30. Rxe5 fxe5 31. Qe4
Rd8 (31... Qf7 32. f3 Re8 33. h5 $18) 32. Rxd8+ Qxd8 33. Qxe5 Kf7 34. c7 Qd1+
35. Kh2 Qd7 36. f4 Qg4 37. f5 Qxh4+ 38. Kg1 Qh6 39. Qe6+ 1-0

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "7"]
[White "Kholmov, Ratmir"]
[Black "Suetin, Alexei"]
[Result "0-1"]
[ECO "B99"]
[Annotator "JvR"]
[PlyCount "81"]
[EventDate "1964.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 $5 8.
Qf3 Be7 9. O-O-O Qc7 10. g4 b5 11. Bxf6 gxf6 $6 12. h4 $6 ({
Theory proceeds with} 12. f5 Ne5 13. Qh3 O-O {(Gligoric-Fischer, Bled 1959).})
12... b4 $1 13. Nce2 Bb7 14. Ng3 d5 15. Bg2 dxe4 16. Nxe4 O-O-O $1 17. Rhe1 $2
({Equality keeps} 17. f5 Ne5 18. Qe2 Qb6 19. Nb3) 17... h5 $1 18. f5 Ne5 19.
Qb3 Qb6 20. c3 Bd5 21. Qc2 hxg4 22. cxb4+ Kb8 23. a3 Rxh4 24. Re2 g3 25. Kb1
Rc8 26. Qd2 Bc4 27. Re3 Bd5 28. b3 Rh2 29. Qe2 Nc6 30. Nc2 Na7 31. Rxg3 Nb5 {
White has regained a pawn at the cost of terrible pins.} 32. a4 $5 (32. Kb2 Qc7
{Black threatens 33...Qxg3 and 33...Qxc2+ 34.Qxc2 Rxc2+ 35.Kxc2 Bxe4+.}) 32...
Rxc2 $1 33. Kxc2 Nd4+ 34. Rxd4 Qxd4 35. Nc3 Bxg2 36. Rxg2 Rh3 37. Qe1 $2 ({
No piece loses} 37. Rg8+ Ka7 38. Ra8+ Kxa8 39. Qg2+ Ka7 40. Qxh3 Bxb4 {
but Black wins anyway.}) 37... Rxc3+ $1 38. Qxc3 Qe4+ 39. Kc1 Qxg2 40. Qd3 Qc6+
41. Kb2 {Standings after one turn: Bronstein 4, Kholmov 3 1/2, Geller and
Suetin 3, Korchnoi, Stein and Spassky 2 1/2. Bronstein leads. Stein and
Spassky are trailing.} 0-1



[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "8"]
[White "Bronstein, David"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D27"]
[Annotator "JvR"]
[PlyCount "60"]
[EventDate "1964.??.??"]

1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8.
Rxd1 Bxc5 9. Nbd2 b5 10. Be2 Bb7 11. Nb3 Be7 12. Na5 Bd5 13. Bd2 Nc6 14. Nxc6
Bxc6 15. Nd4 Bd5 16. f3 Bc5 17. Nc2 Ke7 {The players take no risks.} 18. Kf1
Nd7 19. e4 Bb7 20. a4 bxa4 21. Rxa4 Rhc8 22. Bc3 f6 23. h4 Nb6 24. Ra5 Bd6 25.
Ne3 Bf4 26. Bd4 Nd7 27. Nc4 Bc6 28. Na3 Bb7 29. Nc4 Bc6 30. Na3 Bb7 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "8"]
[White "Geller, Efim"]
[Black "Suetin, Alexei"]
[Result "1/2-1/2"]
[ECO "A39"]
[Annotator "JvR"]
[PlyCount "180"]
[EventDate "1964.??.??"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 cxd4 8.
Nxd4 Nxd4 9. Qxd4 d6 10. Qh4 $5 Rb8 $6 {
White is allowed to take the initiative.} ({The theory will be improved with} 
10... Be6 $1 11. Bxb7 Rb8 12. Bd5 Bxd5 13. Nxd5 Nxd5 14. cxd5 Bxb2 {
(Smyslov-Geller, Santiago 1965).}) 11. Bh6 Qa5 12. Bxg7 Kxg7 13. Nd5 Nxd5 14.
Bxd5 f6 15. Rfd1 Bf5 16. Qf4 Qb4 17. Qe3 Rfe8 18. b3 a5 19. h4 Qc5 20. Qf4 Bd7
21. Rac1 a4 22. Qd2 axb3 23. axb3 Qb6 24. b4 Rbc8 25. Ra1 Red8 26. Ra3 Bc6 27.
Re3 Bxd5 28. cxd5 Rd7 29. Re4 Qa7 30. Kg2 Qa4 31. Rc1 Rxc1 32. Qxc1 Qb5 $1 33.
Qc4 Qxc4 34. Rxc4 f5 35. f4 Kf6 $6 (35... e6 $1 36. dxe6 Re7 37. Rd4 Rxe6 {
equalises.}) 36. Kf3 e6 37. e4 Ke7 38. b5 exd5 39. exd5 b6 40. Rc6 Rb7 41. g4
h5 42. g5 Kd7 43. Ke3 Rb8 44. Kd2 Rb7 45. Kc2 Rb8 46. Kd3 Rb7 47. Kc3 Rb8 48.
Kb3 Rb7 49. Rc1 Rb8 50. Ra1 Re8 $2 ({White makes no progress in} 50... Kc7 $1
51. Re1 Kd7 52. Re6 Rg8 53. Rf6 Ke7 54. Kb4 Rg7 $1) 51. Ra7+ Kc8 52. Ra8+ Kd7
53. Ra7+ Kc8 54. Rg7 Re3+ 55. Kc2 Re4 56. Rxg6 Rxf4 {
White has to strike immediately.} 57. Rg8+ $2 ({Better is} 57. Rxd6 Rxh4 58.
Rxb6 Rg4 59. Rc6+ Kb7 {(Konstantinopolsky)} {Now} 60. Rg6 $1 h4 61. Kc3 $1 h3
62. d6 h2 63. Rh6 Rxg5 64. Rxh2 f4 65. Kc4 {brings a great advantage.}) 57...
Kd7 58. Rb8 Kc7 59. Ra8 Rg4 $1 (59... Rxh4 $4 60. g6 Rg4 61. g7 $1) 60. Kd3
Rg3+ 61. Ke2 Rg4 62. Kf3 Kd7 63. Rb8 Kc7 64. Ra8 Kd7 65. Rb8 Kc7 66. Rf8 Kd7
67. g6 $5 {At last White makes a choice.} (67. Rf7+ Ke8 68. Rb7 Rxh4 69. Rxb6
Kd7 70. Rb7+ Kc8 71. Rh7 Rg4 72. Rxh5 Kc7 {does not win either.}) 67... Rxg6
68. Rxf5 Rg4 69. Rxh5 Rb4 70. Rh7+ Ke8 71. h5 Rxb5 72. Ke4 Rb1 73. Kf5 Kf8 74.
h6 Kg8 75. Rd7 b5 76. Rxd6 b4 77. Ke4 b3 78. Kd3 Rc1 79. Rb6 Rd1+ 80. Kc4 Rc1+
81. Kd4 Rd1+ 82. Kc5 Rc1+ 83. Kd6 Rb1 84. Rb7 Kh8 85. Ke6 Kg8 {
Finally the critical position has been reached.} 86. d6 (86. h7+ Kh8 87. Ke5
Re1+ $1 (87... b2 $4 88. Kd6 {and zugzwang}) 88. Kd6 Rb1 $11) 86... b2 $1 87.
d7 Re1+ 88. Kf6 Rf1+ 89. Ke7 Re1+ 90. Kd8 b1=Q 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "8"]
[White "Kholmov, Ratmir"]
[Black "Korchnoi, Viktor"]
[Result "1/2-1/2"]
[ECO "B83"]
[Annotator "JvR"]
[PlyCount "83"]
[EventDate "1964.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. O-O O-O 8.
Be3 Nc6 9. f4 Bd7 10. Qe1 Nxd4 11. Bxd4 Bc6 12. Qg3 g6 13. Qe3 Qa5 14. e5 $1 {
Kholmov pressures in the centre.} 14... dxe5 15. fxe5 Nd7 16. Rad1 Bc5 17. Bxc5
Qxc5 18. Qxc5 Nxc5 {White has a minimal advantage in the endgame.} 19. Bf3 (19.
Bb5 $1 Rfd8 20. Bxc6 bxc6 21. a3 {keeps a plus.}) 19... Rac8 $6 {
Black should exchange.} 20. Rd4 ({Better is} 20. Bxc6 Rxc6 21. a3) 20... Rfd8
21. Rf4 Be8 22. Rf2 Kg7 23. h4 b6 24. Kh2 Nd7 25. Re2 Rc5 26. Rfe4 Rdc8 27. Kg3
b5 28. Kf4 Nb6 29. Rd4 Rc4 30. Rxc4 Nxc4 31. Nd1 Rd8 32. Re1 Rd4+ 33. Kg3 Rd2
34. b3 Na3 35. c3 Kf8 ({The effort} 35... Rxa2 36. Nf2 $1 Rb2 37. Ng4 Rxb3 38.
Nf6 Kf8 39. Rd1 Nc4 40. Rd8 Nxe5 41. Rxe8+ Kg7 42. Ne4 {steers toward equality.
}) 36. Nf2 $1 Rxa2 37. Ng4 a5 38. Rd1 Ke7 39. Nf6 Rc2 40. Ng8+ Kf8 41. Nf6 Ke7
42. Ng8+ 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "9"]
[White "Korchnoi, Viktor"]
[Black "Geller, Efim"]
[Result "1-0"]
[ECO "D55"]
[Annotator "JvR"]
[PlyCount "107"]
[EventDate "1964.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 O-O 6. e3 h6 7. Bxf6 Bxf6 8. Rc1
c6 9. Qc2 Nd7 10. cxd5 cxd5 ({The defence reorganises} 10... exd5 $1 11. Bd3
Be7) 11. Bd3 Nb6 12. O-O Bd7 13. e4 $1 Rc8 (13... dxe4 $6 14. Bxe4 Rb8 {
is ugly.}) 14. e5 Be7 15. Qe2 Nc4 $1 16. g3 Qb6 17. Rc2 Rc7 18. Rfc1 Rfc8 19.
Nb1 a6 20. h4 Qa5 21. a3 Qb6 22. Kh2 Na5 23. Rxc7 Rxc7 24. Rxc7 Qxc7 25. Qd1
Nc4 26. Qb3 Bb5 27. Nc3 {The next move costs a pawn.} 27... Nd2 $2 (27... Nxa3
28. Nxb5 Nxb5 29. Bxb5 axb5 30. Qxb5 $11) 28. Nxd2 Bxd3 29. Nxd5 exd5 30. Qxd3
Qc1 31. b4 a5 32. bxa5 Qxa3 33. Qxa3 Bxa3 {
Black sets his hopes on the strength of the bishop.} 34. f4 Bb4 35. Nb3 h5 36.
f5 g6 37. f6 Kf8 38. Kg2 Ke8 39. Kf3 Bc3 40. g4 Be1 41. gxh5 gxh5 42. Nc5 Bxa5
43. Nxb7 Bb4 44. Nd6+ $1 Kf8 {Even exchange loses.} 45. Nf5 Be1 46. Ng7 Bxh4
47. Nxh5 Ke8 48. Nf4 Kd7 49. Nxd5 Be1 50. Ke4 Bd2 51. Ne3 Bc1 52. Nf5 Ba3 53.
d5 Bb4 54. Ng7 1-0

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "9"]
[White "Spassky, Boris"]
[Black "Kholmov, Ratmir"]
[Result "1-0"]
[ECO "A26"]
[Annotator "JvR"]
[PlyCount "87"]
[EventDate "1964.??.??"]

1. c4 e5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. Nf3 Bg7 6. O-O Nge7 7. Rb1 O-O 8. d3
h6 $5 9. b4 f5 {Both players have their strategic aims. White charges on the
queenside and Black on the other flank.} 10. b5 Nb8 11. Nd2 Nd7 12. a4 Nf6 13.
e3 c6 14. bxc6 bxc6 15. Ba3 Ne8 $5 (15... Be6 {continues the development.}) 16.
Rb3 (16. Ne2 {prevents the next advance.}) 16... f4 17. Nde4 g5 18. Re1 Rf7 (
18... g4 {goes on with the march.}) 19. Bf3 Rf8 20. Bg2 Be6 21. Rb7 Bc8 22. Rb3
{This position occurs for the third time. Could Black have claimed a draw?}
22... Be6 23. Qe2 Kh8 24. Reb1 Nf5 25. Rb7 Bc8 26. R7b3 g4 $1 27. Qd2 fxg3 $6 (
27... Rf7 {is a useful move.}) 28. fxg3 h5 29. Nd1 Bh6 30. Qe1 Be6 31. Rb7 Neg7
$6 ({Yudovich advices} 31... Bc8) 32. Nec3 Ne7 {
Kholmov has underestimated the power of Rb7.} 33. d4 $1 exd4 34. exd4 Nef5 35.
d5 $1 cxd5 $5 ({Insufficient is} 35... Bc8 {due to} 36. dxc6 $1 Bxb7 37. cxb7 {
(Yudovich).}) 36. Nxd5 Bxd5 37. Bxd5 Nd4 38. Qe7 $1 Qa5 $2 (38... Qxe7 $1 39.
Rxe7 Ngf5 40. Bxa8 Nxe7 41. Bxd6 Rxa8 42. Bxe7 Re8 43. Bf6+ Bg7 {
Black has survival chances in the endgame.}) 39. Bb4 Qxa4 40. Qxd6 Ndf5 41. Qg6
$1 Qe8 42. Qxe8 Rfxe8 43. Bc3 h4 $2 44. Rf7 $1 {Finally Boris is back on 50%.}
1-0

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "9"]
[White "Suetin, Alexei"]
[Black "Stein, Leonid"]
[Result "0-1"]
[ECO "C96"]
[Annotator "JvR"]
[PlyCount "118"]
[EventDate "1964.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6 7. Re1 Be7 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nb3 ({
The usual} 14. Nf1 {was played in Kholmov-Geller (round four).}) 14... a5 15.
Bd3 Rb8 16. Be3 a4 17. d5 $2 {Pawn d5 becomes weak.} ({Correct is} 17. Nc1 {
(Kursunsky-Zakharian, Riga 1975).}) 17... Nb4 $1 18. Nc1 f5 $1 19. exf5 Nxd5
20. Ba7 Rb7 21. Be4 Rxa7 22. Bxd5+ Kh8 23. Nd3 Nf6 24. Nb4 Nxd5 25. Qxd5 Bb7
26. Qd3 (26. Qxb5 Bxf3 27. gxf3 Qc8 {brings a positional horror.}) 26... a3 27.
bxa3 Qa8 28. Re3 Bxf3 29. gxf3 Bg5 30. Re4 Rxa3 31. Qxd6 Rxf3 32. Rae1 R3xf5
33. R1e2 Qa7 $2 (33... Bf4 $1 {keeps the advantage.}) 34. Nd3 Be7 35. Qd5 Bf6
36. Qxb5 Qf7 37. Qb4 Be7 38. Qb3 Rg5+ 39. Kh2 Qg6 40. f4 $1 {
White has defended well in the last phase.} 40... exf4 41. Ne5 $2 ({
Yudovich gives the spectacular escape} 41. Rxe7 f3 42. Nf4 $1 Qd6 43. Qxf3 Rxf4
44. R7e6) 41... Rxe5 $1 42. Rxe5 Bd6 43. Qf3 Bxe5 44. Rxe5 h6 45. Re2 Qb1 46.
Rf2 Rf6 47. Qa8+ Kh7 48. Qf3 Qf5 49. a4 Rf7 50. Rd2 Ra7 51. Qd1 Rc7 52. Qb3 Qe4
53. Rf2 Rc4 54. a5 Ra4 55. Qb6 $6 (55. Qc3 {is better.}) 55... Ra1 $1 56. Rg2
Qe5 $1 57. Qg6+ Kh8 58. h4 f3+ 59. Rg3 f2 0-1

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "10"]
[White "Geller, Efim"]
[Black "Spassky, Boris"]
[Result "0-1"]
[ECO "C72"]
[Annotator "JvR"]
[PlyCount "60"]
[EventDate "1964.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bg4 6. h3 Bh5 7. c3 Nf6 8. d4 b5
9. Bb3 Be7 10. Be3 O-O 11. Nbd2 d5 $5 {Boris plays his favourite move in the
Ruy Lopez. The opening of the centre sharpens the game.} 12. g4 Bg6 13. dxe5 ({
Bondarevsky prefers} 13. Nxe5 $1 Nxe5 14. dxe5 Nxe4 15. Nxe4 dxe4 16. Bd5)
13... Nxe4 14. Nb1 Qc8 $6 ({Stronger is} 14... Qe8 $1 15. Bxd5 Rd8 16. Bxc6
Qxc6 17. Nd4 Qd7) 15. Nd4 $6 ({Relatively best is} 15. Qxd5 Na5 16. Qd1 h5 17.
Nh2) ({No future has} 15. Bxd5 $2 Rd8 16. a4 Na5 $1) 15... Nxe5 16. f4 c5 17.
fxe5 cxd4 18. cxd4 Qd7 19. Nd2 f6 20. Rc1 Kh8 21. Bf4 $2 ({White has to try} 
21. Nxe4 Bxe4) 21... fxe5 22. Bxe5 Bg5 $1 23. Rc7 {
Spassky has prepared a wonderful surprise.} 23... Qxc7 $3 24. Bxc7 Be3+ 25. Kg2
Nxd2 26. Rxf8+ Rxf8 27. Bxd5 Rf2+ 28. Kg3 Nf1+ 29. Kh4 h6 30. Bd8 Rf8 0-1

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "10"]
[White "Kholmov, Ratmir"]
[Black "Bronstein, David"]
[Result "1/2-1/2"]
[ECO "D32"]
[Annotator "JvR"]
[PlyCount "83"]
[EventDate "1964.??.??"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. e3 Nc6 5. d4 d5 6. cxd5 exd5 7. Be2 cxd4 8.
Nxd4 {White will beleaguer the isolated pawn with little success.} 8... Bd6 9.
O-O O-O 10. Nf3 Bg4 11. b3 Bxf3 12. Bxf3 Be5 13. Bb2 Qa5 14. a3 Rac8 15. b4 Qd8
16. Qb3 Qd6 17. h3 Qe6 18. Rfe1 Rfd8 19. Rad1 Ne7 20. Ne2 Bxb2 21. Qxb2 Ng6 22.
Nd4 Qe5 23. Rc1 Ne7 24. Rxc8 Rxc8 25. Rc1 Rxc1+ 26. Qxc1 g6 27. Qc5 b6 28. Qc1
Kg7 29. Nb5 a6 30. Nd4 Ne4 31. Be2 a5 32. Bd3 axb4 33. axb4 Nf6 34. f4 Qd6 35.
Qc3 h5 36. g4 hxg4 37. hxg4 Kg8 38. g5 Ne4 39. Bxe4 dxe4 40. Qc2 Qxb4 41. Qxe4
Qd6 42. Kf2 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "10"]
[White "Stein, Leonid"]
[Black "Korchnoi, Viktor"]
[Result "1-0"]
[ECO "B84"]
[Annotator "JvR"]
[PlyCount "93"]
[EventDate "1964.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. f4
Qc7 9. Qe1 O-O 10. Qg3 $5 Qb6 $5 {
A furious fight for a place at the interzonal tournament has started.} 11. Be3
$1 Qxb2 12. Bf2 Qb4 13. e5 dxe5 14. fxe5 Ne8 ({Bondarevsky mentions} 14... Nfd7
$2 15. Nd5 $1 exd5 16. Nf5 g6 17. a3) 15. Bd3 Qa5 16. Ne4 Nd7 17. Nf3 g6 $6 ({
Better is} 17... f5 18. exf6 Ndxf6) 18. Bd4 Ng7 19. Nf6+ Bxf6 20. exf6 Nh5 21.
Qh4 Qd8 $2 (21... e5 {halts the attack.}) 22. Rae1 Ndxf6 23. Ng5 e5 ({
No escape brings} 23... h6 24. Bxf6 hxg5 25. Qxg5 Nxf6 26. Rxf6 {(Bondarevsky).
}) 24. Bxe5 h6 25. Bxf6 hxg5 26. Qxg5 Nxf6 27. Rxf6 Qd4+ 28. Kh1 Qg4 29. Qh6
Bf5 30. h3 ({A pawn wins} 30. Bxf5 gxf5 31. Rf1 {but Stein wants the king.})
30... Qd4 ({Keene tries to save the day with} 30... Qb4 {but} 31. Re5 Bxd3 32.
cxd3 Qb1+ 33. Kh2 Qxd3 34. Rg5 Rac8 35. Rgxg6+ $1 {wins.}) 31. Rxf5 $1 {
A sacrifice of the exchange opens the kingside.} 31... gxf5 32. Re3 Qg7 33. Qh4
Qa1+ 34. Kh2 Rfe8 35. Rg3+ Kf8 36. Qh6+ Ke7 {
The king is hunted in the open field.} 37. Re3+ Kd7 38. Bxf5+ Kc7 39. Qf4+ Kc6
40. Qc4+ Kd6 41. Qb4+ Kd5 42. Rd3+ Ke5 43. Qd6+ $1 {The humiliation goes on.}
43... Kxf5 44. Rf3+ Kg5 45. Qf4+ Kh5 46. g4+ Kg6 47. Qxf7+ {
Black will be mated quickly.} 1-0

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "11"]
[White "Bronstein, David"]
[Black "Geller, Efim"]
[Result "1/2-1/2"]
[ECO "A33"]
[Annotator "JvR"]
[PlyCount "135"]
[EventDate "1964.??.??"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. Ndb5 d5 7. cxd5 Nxd5 8.
Nxd5 exd5 9. e3 Be6 10. Be2 Be7 11. Bd2 a6 12. Nd4 Nxd4 13. exd4 O-O 14. Qb3
Re8 15. O-O Bd6 {Geller has set a trap in an equal position.} 16. Bb4 ({
Bronstein avoids} 16. Qxb7 $2 Bxh2+ $1 17. Kxh2 Qd6+ 18. g3 $1 Reb8 19. Bf4
Qxf4 20. gxf4 Rxb7) 16... Bc7 17. Bf3 Qg5 18. Rad1 Rad8 19. Bd2 Qe7 20. Rfe1
Rd7 21. Rc1 Qf6 22. Qd3 Bd6 23. a3 h6 24. Bb4 Bf4 25. Bd2 Bb8 26. Bb4 h5 27.
Bd2 g6 28. Qe3 Ba7 29. Bc3 Bb8 30. Bd2 Rdd8 31. Ba5 Rc8 32. Rxc8 Rxc8 33. Bc3
h4 34. h3 Bf4 35. Qe2 Bd6 36. Qe3 Bf4 37. Qe2 Qg5 38. Bg4 Bxg4 39. Qxg4 Qxg4
40. hxg4 Bd6 {Black has a plus in the endgame.} 41. Re3 Kg7 42. Kf1 b5 43. Ke2
a5 44. Kd3 b4 45. axb4 axb4 46. Bd2 Bf4 47. Re1 Bxd2 48. Kxd2 b3 49. Re5 $5 ({
More quickly draws} 49. Rc1 Re8 50. Re1) 49... Rc2+ 50. Ke3 Rxb2 51. Rxd5 Rc2
52. g5 b2 53. Rb5 Kf8 54. Rb7 Ke8 55. d5 Kd8 56. d6 Kc8 57. Rb5 Kd7 58. Rb6 Ke6
59. Kf3 Rd2 60. Ke3 Rc2 61. Kf3 Kd7 62. Ke3 Rc5 63. Rxb2 Rxg5 64. Rb7+ Ke6 65.
Re7+ Kxd6 66. Rxf7 Rxg2 67. Rh7 g5 68. f4 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "11"]
[White "Korchnoi, Viktor"]
[Black "Suetin, Alexei"]
[Result "1/2-1/2"]
[ECO "D32"]
[Annotator "JvR"]
[PlyCount "128"]
[EventDate "1964.??.??"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. cxd5 exd5 7. Be2 Bd6 8.
dxc5 Bxc5 9. O-O O-O 10. b3 Be6 11. Bb2 Qe7 12. a3 Rfd8 13. Na4 Bd6 14. b4 Ng4
$5 {The players fight for their last chance.} 15. Rc1 Nce5 16. Nxe5 Nxe5 17.
Qd4 f6 18. Nc3 Nc6 19. Qh4 Be5 ({The simplification} 19... d4 20. exd4 Nxd4 {
is avoided.}) 20. Bd3 f5 21. Qxe7 Nxe7 22. Na4 Bxb2 23. Nxb2 Rac8 24. Na4 Rxc1
25. Rxc1 d4 $2 ({Correct is} 25... b6 26. Rc7 Rd7) 26. exd4 $2 {
White misses a combination.} (26. Rc7 $1 dxe3 27. Nc5 $1 b6 28. Nxe6 Rxd3 29.
fxe3 Kf7 30. Nxg7 Kxg7 31. Rxe7+ Kg8 32. Rxa7 Rxe3 {White has won a pawn.})
26... Rxd4 27. Bf1 Kf7 28. g3 f4 29. Nc5 Bd5 30. Nd3 g5 31. b5 Be4 32. Nb4 $6 {
Hereafter White gets a passive position.} ({Better is} 32. Nc5) 32... Ke6 33.
gxf4 gxf4 34. Nc2 Rd8 35. Bh3+ Kf6 36. Ne1 Rd4 37. Bg2 Nf5 38. Bxe4 Rxe4 39.
Nf3 Ra4 40. Rc7 Rxa3 41. Kg2 Ra2 42. Rxh7 $6 (42. Ne1 {is prudent.}) 42... Ne3+
$1 43. Kh3 Rxf2 44. Nh4 b6 45. Rxa7 Rb2 46. Ra8 Nd5 47. Rf8+ Ke5 48. Ng6+ Ke4
49. Re8+ Kd4 50. Rd8 Kc5 51. Rf8 Rf2 52. Rf5 Kd4 53. Rf8 Rf1 54. Nh4 Kc4 55.
Kg4 Rg1+ $6 (55... Kxb5 56. Nf3 Kb4 57. h4 b5 58. h5 Rh1 {continues the battle.
}) 56. Kf5 Kxb5 57. Nf3 Rd1 58. h4 Rh1 59. Ke4 Nc3+ 60. Kxf4 Kc4 61. Kg5 Ne4+
62. Kg6 b5 63. h5 b4 64. Rc8+ Kd3 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "11"]
[White "Spassky, Boris"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "D87"]
[Annotator "JvR"]
[PlyCount "60"]
[EventDate "1964.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8.
Ne2 Nc6 9. O-O b6 10. Be3 Na5 11. Bd3 c5 12. Rc1 Nc6 13. Bb5 Bb7 14. Bxc6 ({
White has to play} 14. dxc5 {if he wants to win.}) 14... Bxc6 15. d5 Bb7 16. c4
e6 17. Re1 Re8 18. Qd2 exd5 19. exd5 Qd7 20. Nc3 Re7 21. Bg5 Rxe1+ 22. Rxe1 Re8
23. Ne4 Ba6 24. Nf6+ Bxf6 25. Bxf6 Rxe1+ 26. Qxe1 Bxc4 27. Qe5 Bb5 28. Qb8+ Qe8
29. Be5 Qxb8 30. Bxb8 Bc4 {A draw is useful for both players.} 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "12"]
[White "Geller, Efim"]
[Black "Kholmov, Ratmir"]
[Result "1/2-1/2"]
[ECO "A25"]
[Annotator "JvR"]
[PlyCount "66"]
[EventDate "1964.??.??"]

1. c4 e5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. e3 Bg7 6. Nge2 h5 7. d4 exd4 8. Nxd4
Nge7 9. h3 Nxd4 10. exd4 Nf5 11. Ne4 $1 {Geller charges.} 11... O-O $1 {
Black reacts quietly.} (11... Nxd4 $2 12. Bg5 Qd7 13. Bf6 $18) (11... Bxd4 $6
12. g4 hxg4 13. hxg4 Nh4 14. Rxh4 $1 $16) 12. O-O Nxd4 13. Bg5 f6 14. Qxd4 fxg5
15. Qd5+ Kh8 16. Nxg5 Qf6 17. h4 c6 18. Qd2 Bf5 ({Some problems gives} 18...
Qxb2 19. Qxd6) 19. b3 Rad8 20. Rad1 Qc3 21. Be4 Qxd2 22. Rxd2 Bc3 23. Rd3 Bb4
24. f3 Rde8 25. Rfd1 Bxe4 26. Nxe4 d5 27. cxd5 cxd5 28. Rxd5 Rxf3 29. R1d4 a5
30. Rd8 Rxd8 31. Rxd8+ Kg7 32. Kg2 Rf7 33. Ng5 Re7 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "12"]
[White "Stein, Leonid"]
[Black "Bronstein, David"]
[Result "1/2-1/2"]
[ECO "C16"]
[Annotator "JvR"]
[PlyCount "87"]
[EventDate "1964.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Bd3 c5 6. dxc5 Qc7 7. Nf3 Nd7 8. O-O
{Bronstein has been lured into a sharp opening.} 8... Bxc3 9. bxc3 Nxc5 10. Ba3
$5 Bd7 11. Rb1 $5 b6 12. Re1 Rc8 $1 13. Bf1 $5 Na4 $5 ({Polugaevsky mentions} 
13... O-O $1 14. c4 Rfd8) 14. Qc1 Qxc3 $2 ({Correct is} 14... Nxc3 $1 15. Bxe7
Kxe7 16. Rb3) 15. Ba6 $1 Rc5 $5 (15... Qxc2 16. Bxc8 Qxc8 17. Qg5 {
is horrible for Black.}) 16. Bd3 $1 {This subtlety has great strength.} (16.
Bxc5 Nxc5) 16... Nc6 17. Rb3 Qa5 18. Qg5 {
Black has been outplayed all over the board.} 18... Kf8 $1 (18... O-O 19. Bxh7+
Kxh7 20. Bb4 $1 Nxb4 21. Qh5+ Kg8 22. Ng5 {
ends fatally for Black, because ..Qxe1# has been prevented (Polugaevsky).}) 19.
c3 (19. Bb5 $1 {wins quickly.}) 19... h6 20. Qd2 d4 21. cxd4 $6 (21. Nxd4 $1
Nxd4 22. Bb4 Nxb3 23. axb3 {gains a queen.}) 21... Qxd2 22. Nxd2 Nxd4 23. Rb4
Nf5 24. Ne4 $6 (24. Bc2 $1 Rxc2 25. Rc4+ $18) 24... Rd5 $1 25. Bc2 (25. Rxb6+
$1 Kg8 26. Rb8+ Kh7 27. Rb3 Rd8 28. g4 {is better.}) 25... Kg8 $1 26. Rc4 Bb5
$2 ({A disaster avoids} 26... b5 27. Rc7 Nb6 28. Bb3) 27. Rc7 $2 ({
The game finishes} 27. Rc8+ $1 Kh7 28. Rc7 Rd7 $2 29. Rxd7 Bxd7 30. g4 Nd4 31.
Nf6#) 27... Rd7 $1 28. Rxd7 Bxd7 29. Rd1 Bc6 30. Nd6 g6 31. Nxf5 gxf5 32. Rd6
Bb5 33. g4 $6 fxg4 34. Rd4 Nc5 35. Rxg4+ Kf8 36. Bc1 Ke7 $2 37. h4 Bd3 38. Bxd3
Nxd3 39. Ba3+ Ke8 40. Rc4 Rg8+ 41. Kf1 Nc5 $5 {
Bronstein takes the draw happily.} 42. Bxc5 bxc5 43. Rxc5 Rg4 44. Ra5 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "12"]
[White "Suetin, Alexei"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "C95"]
[Annotator "JvR"]
[PlyCount "177"]
[EventDate "1964.??.??"]

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 h6 10. d4 Re8 11. Nbd2 Bf8 12. a3 Bb7 13. Bc2 Nb8 14. b4 Nbd7 15. Bb2
Nb6 16. Re3 $5 a5 17. Qe2 Na4 $5 18. Qxb5 ({Polugaevsky prefers} 18. Bxa4 $1
bxa4 19. b5) 18... Nxb2 19. bxa5 (19. Qxb7 Qd7 20. b5 Rab8 21. Qa6 Qxb5 {
brings equality.}) 19... Rb8 20. Qxb2 Bxe4 21. Qc1 Bxf3 22. Rxf3 e4 23. Rxf6 $5
{Suetin has great ambitions.} 23... Qxf6 24. Bxe4 d5 $1 {
Spassky gives a pawns temporarily for defensive reasons.} 25. Bxd5 Rb5 26. Bf3
Rxa5 27. a4 Qa6 28. Qc2 c5 29. dxc5 Bxc5 30. Qb3 Qa7 31. Ne4 Bf8 32. Qc4 Kh8
33. Bd1 Rae5 34. Bc2 Qb7 35. Ng3 Qb2 36. Ra2 Qc1+ 37. Kh2 Re1 38. Qd3 g6 39.
Bb3 Bg7 40. Re2 $2 ({Correct is} 40. Rc2) 40... R8xe2 41. Nxe2 {
All black pieces should attack the king.} 41... Rh1+ $2 (41... Be5+ 42. g3 Rh1+
43. Kg2 Qf1+ 44. Kf3 Rh2 {(Polugaevsky).}) 42. Kg3 Qg5+ 43. Kf3 Qh5+ 44. g4 $6
Qxh3+ 45. Ng3 Rh2 (45... Rc1 $1 46. Bc2 Qh4 {offers better chances.}) 46. Qe3
Qg2+ 47. Ke2 Qa8 48. Bxf7 Qxa4 49. Qe8+ Qxe8+ 50. Bxe8 Be5 51. Kf3 Kg7 52. c4
Bd4 53. Ne4 Rh1 54. c5 Re1 55. c6 Be5 56. Nc5 Bd6 57. Bd7 Kf7 58. Nd3 Ra1 59.
Nc5 Ke7 60. Ne4 Ra3+ 61. Kg2 Bc7 62. Bc8 Ra8 63. Bd7 Rf8 64. Kf1 Bb6 65. Kg2
Rf4 66. f3 Rf8 67. g5 hxg5 68. Nxg5 Be3 69. Bg4 Bb6 70. Ne4 Ra8 71. Bd7 Bc7 72.
Nc3 Ra5 73. Ne4 Ra2+ 74. Kf1 Bf4 75. Ke1 Ra5 76. Kd1 Kd8 77. Ke2 Kc7 78. Nc3
Be5 79. Ne4 Ra2+ 80. Kd3 Ra3+ 81. Kc4 Bf4 $6 (81... Rxf3 $1 82. Be8 Rf8 83.
Bxg6 Kxc6 {wins theoretically, if the fifty moves rule is not applied.}) 82.
Nc3 Kd8 83. Bg4 g5 84. Nd5 Bd6 85. Kd4 Ra4+ 86. Kd3 Ra1 87. Ke4 Re1+ 88. Kd4
Be5+ 89. Kd3 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "13"]
[White "Bronstein, David"]
[Black "Suetin, Alexei"]
[Result "1/2-1/2"]
[ECO "A48"]
[Annotator "JvR"]
[PlyCount "75"]
[EventDate "1964.??.??"]

1. d4 Nf6 2. Nf3 g6 3. c3 b6 4. Bg5 Bg7 5. Nbd2 Bb7 6. Bxf6 Bxf6 7. e3 c5 8.
Bd3 Bg7 9. O-O O-O 10. b4 cxd4 11. cxd4 Nc6 12. a3 f5 13. Qb3+ e6 14. Rac1 Kh8
15. Nc4 d6 16. b5 Ne7 17. Ng5 Bd5 18. f4 Qd7 19. Qb4 Rad8 20. Be2 Bf6 21. Nf3
h6 22. a4 g5 $1 23. Qd2 Rg8 24. Nb2 Rg6 25. Nd3 Rdg8 26. Nfe1 Be4 27. Nf2 Ba8
28. Nfd3 Nd5 29. Bh5 $5 {The confrontation has started at last.} 29... R6g7 ({
Black can play for a win with} 29... gxf4 $1 30. Nxf4 $1 (30. Bxg6 $2 fxe3 31.
Qe2 Rxg6) 30... Nxf4 31. Rxf4 Rxg2+ $1 32. Nxg2 Rxg2+ 33. Qxg2 Bxg2 34. Kxg2 e5
) 30. Bf3 Qe8 31. Nb4 Nxb4 32. Qxb4 gxf4 33. exf4 Bh4 34. Rc2 Bxe1 35. Qxe1
Bxf3 36. Rxf3 Qa8 37. Qxe6 Qxf3 38. Qxh6+ 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "13"]
[White "Kholmov, Ratmir"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "E75"]
[Annotator "JvR"]
[PlyCount "92"]
[EventDate "1964.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 e6 8. Nf3 h6
9. Be3 exd5 10. exd5 Bf5 11. O-O Ne4 12. Nxe4 Bxe4 13. Bd3 Bxf3 14. Qxf3 Nd7
15. Qh3 Ne5 16. Rad1 ({Play continues with} 16. Be2 $1 Qd7 17. Qh4 {
because the black queen cannot go to g4.}) 16... Qd7 {Draw is a useful result
for Stein. Exchange of the queens brings him toward his goal.} 17. Qxd7 Nxd7
18. Rfe1 Rfe8 19. Bc1 Kf8 20. h3 h5 21. Kf1 Bd4 22. g3 Ne5 23. Be2 Nd7 24. Kg2
Re7 25. Bf1 Rae8 26. Bh6+ Bg7 27. Rxe7 Rxe7 28. Bf4 Be5 29. Be3 Bf6 30. b3 b6
31. Re1 Kg7 32. Bd2 Rxe1 33. Bxe1 Bd4 34. Bd3 Ne5 35. Be2 Nd7 36. Bd2 Bb2 37.
Bg5 Bf6 38. Bc1 Bd4 39. Bf4 Be5 40. Be3 Bc3 41. Bf4 Be5 42. Bd2 Bd4 43. g4 hxg4
44. hxg4 f5 45. g5 Kf7 46. Kf1 a5 1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "13"]
[White "Spassky, Boris"]
[Black "Korchnoi, Viktor"]
[Result "1-0"]
[ECO "E18"]
[Annotator "JvR"]
[PlyCount "47"]
[EventDate "1964.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d5 8. cxd5
exd5 9. Ne5 $5 Qc8 10. Bg5 Qe6 {
This position stems from Eliskases-Najdorf, Buenos Aires 1947.} 11. Rc1 c5 $2 (
{The prudent answer} 11... c6 {
was played in Van Scheltinga-Donner, Beverwijk 1964.}) 12. Nd3 $1 cxd4 ({
A centre pawn costs} 12... Nbd7 13. Nf4 Qf5 14. Bxf6 Nxf6 15. dxc5 Bxc5 16.
Ncxd5) 13. Bxf6 {Korchnoi collapses completely.} 13... Bxf6 $2 ({
Black can fight after} 13... dxc3 $1 14. Bxc3 $1 Rd8 {(Moiseev).}) 14. Nxd5
Bxd5 15. Nf4 Qd6 16. Nxd5 Bg5 17. f4 Bd8 18. Nc3 Na6 19. Bxa8 Qb8 20. Nd5 Qxa8
21. Qxd4 Nc5 22. b4 Ne6 23. Qd3 Re8 24. e4 {
Spassky has qualified for the interzonal tournament.} 1-0

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "14"]
[White "Korchnoi, Viktor"]
[Black "Bronstein, David"]
[Result "1-0"]
[ECO "E06"]
[Annotator "JvR"]
[PlyCount "97"]
[EventDate "1964.??.??"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. b3 Bb7
9. Bb2 Na6 $5 10. Rd1 Qc8 $5 11. e3 c5 12. Qe2 dxc4 $5 {
Black brings life to a dull game.} 13. bxc4 Rd8 14. Nc3 Ne4 15. Nxe4 Bxe4 16.
Ne5 Bxg2 17. Kxg2 f6 18. Nf3 Nc7 19. a4 Bf8 20. h4 Qb7 21. Kg1 Qe4 22. Nd2 Qc2
23. Ra2 cxd4 24. Rc1 ({The instant} 24. exd4 $2 {is punished by} 24... Rxd4 $1)
24... Qf5 25. exd4 Bb4 26. Nf3 Rac8 27. Kg2 h5 $6 {An unnecessary weakening.}
28. Bc3 Bf8 29. Rd2 Qg4 30. Rd3 Rd7 31. Re3 Qf5 32. Re4 Rd6 33. Rd1 Rc6 34. Rf4
$5 {White wants to charge.} 34... Qg6 35. Nd2 Qc2 $5 {Black counterattacks.}
36. Qxh5 $5 Qxc3 37. Ne4 Qc2 (37... Qxc4 $1 38. Ng5 $1 Qd5+ $1 39. Kh2 fxg5 40.
Qf7+ Kh8 41. Qh5+ {results in perpetual check.}) 38. d5 $1 ({
White avoids the repetition.} 38. Qg6 Kh8 39. Qh5+) 38... exd5 39. cxd5 Rd6 $1
{White has a strong attack for a piece.} 40. Rd2 Qc1 $1 ({The blunder} 40...
Qb1 $2 {makes} 41. Qf5 $1 {decisive.}) 41. Qg6 $1 Re8 $5 ({
F6 and g7 are protected by} 41... Ne8 $2 {but} 42. Ng5 fxg5 43. Qf7+ Kh7 44.
hxg5 Rc4 45. Rd3 $3 Qc2 46. Rdd4 {wins.}) 42. Nxd6 Bxd6 43. Rc2 $1 Qb1 $2 (
43... Qxc2 $1 44. Qxc2 Bxf4 45. gxf4 Nxd5 {
leads to a defendable endgame (Baranov).}) 44. Rxf6 Be5 45. d6 Bxf6 46. dxc7
Rc8 47. Qf5 Rxc7 48. Qd5+ Rf7 49. Rc8+ {
The players made an exhibition of the last game.} 1-0

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "14"]
[White "Stein, Leonid"]
[Black "Geller, Efim"]
[Result "1/2-1/2"]
[ECO "C48"]
[PlyCount "60"]
[EventDate "1964.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6
8. dxc3 Qe5+ 9. Qe2 {Stein needs a draw.} 9... Qxe2+ 10. Bxe2 d5 11. Be3 Bd6
12. O-O O-O 13. Rfe1 Bf5 14. Bd3 Bxd3 15. cxd3 Rfe8 16. Bd2 f6 17. Kf1 Kf7 18.
h3 h5 19. Rxe8 Rxe8 20. Re1 Rxe1+ 21. Kxe1 Ke6 22. Ke2 b5 23. b3 a6 24. Kf3 c6
25. g4 hxg4+ 26. hxg4 Be5 27. Ke3 f5 28. f3 Bf6 29. Be1 Ke5 30. Bg3+ Ke6
1/2-1/2

[Event "Moscow zt"]
[Site "?"]
[Date "1964.??.??"]
[Round "14"]
[White "Suetin, Alexei"]
[Black "Kholmov, Ratmir"]
[Result "1/2-1/2"]
[ECO "C43"]
[Annotator "JvR"]
[PlyCount "49"]
[EventDate "1964.??.??"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Nc3 Nc6 8.
Qf4 Bf5 9. Bb5 Qe7+ 10. Kf1 $5 Be4 11. Bxc6+ ({The alternative} 11. Ba4 O-O-O
12. Nxe4 Nxe4 {was played in Zakharov-Krutikhin, Novosibirsk 1962.}) 11... Bxc6
12. Ne5 $1 O-O-O $5 (12... Qe6 13. Nxc6 bxc6 14. Qf3 {
is mentioned by Karpov. Black may continue with the risky} 14... Nc4 15. Bf4
O-O-O) 13. Nxc6 bxc6 14. Qa4 $1 Nb5 15. Be3 Qb4 {
Poor Kholmov has to win but suffers in a dangerous position.} 16. Qa6+ $1 (16.
Qxb4 Bxb4 17. Nxb5 cxb5 18. c3 {draws easily.}) 16... Kb8 17. Qxc6 {
Suetin wants to win.} ({The exchanges} 17. Nxb5 Qxb5+ 18. Qxb5+ cxb5 {
lead to an equal endgame (Baranov).}) 17... Nd4 18. Bxd4 ({
A favourable endgame brings} 18. Qa6 $1 Bc5 19. a3 Qb7 20. Qxb7+ Kxb7 21. Rc1
Bb6 22. g3 {(Klovans-Harman, corr. USSR 1985).}) 18... Qxd4 {
Suetin finishes the game with perpetual check.} 19. Rd1 $5 (19. Qb5+ Qb6 {
brings little advantage.}) 19... Qxd1+ 20. Nxd1 Rxd1+ 21. Ke2 Rxh1 22. g4 Rxh2
23. Qe8+ Kb7 24. Qb5+ Kc8 25. Qe8+ {Final standings: Spassky 7, Bronstein and
Stein 6 1/2, Kholmov 6, Suetin and Korchnoi 5 1/2, Geller 5. Spassky,
Bronstein and Stein have qualified for the interzonal tournament. Seven of the
twelve best players of the world played in a zonal tournament. It showed Boris
as a comeback kid.  Jan van Reek  } 1/2-1/2

