A00

Anderssen's Opening

1.a3

A00

Polish Gambit, Anderssen's Opening

1.a3 a5 2.b4

A00

Creepy Crawly Formation

1.a3 e5 2.h3 d5

A00

Andersspike

1.a3 g6 2.g4

A00

Ware; Meadow Hay; Crab

1.a4

A00

Wing Gambit, Ware Opening

1.a4 b5

A00

Cologne Gambit, Ware Opening

1.a4 b6 2.d4 d5 2.Nc3 Nd7

A00

Ware Gambit

1.a4 e5 2.a5 d5 3.e3 f5 4.a6

A00

Polish; Orangutan; Sokolsky; Hunt

1.b4

A00

Birmingham Gambit, Polish

1.b4 c5

A00

Outflank Variation, Polish

1.b4 c6  

A00

Schuhler Gambit, Polish

1.b4 c6 2.Bb2 a5 3.b5 cxb5 4.e4

A00

Myers Variation, Polish

1.b4 d5 2.Bb2 c6 3.a4

A00

Bugayev Attack, Polish

1.b4 e5 2.a3

A00

Wolferts Gambit, Polish

1.b4 e5 2.Bb2 c5

A00

Schiffler-Sokolsky; Tartakower Gambit

1.b4 e5 2.Bb2 f6 3.e4 Bxb4

A00

Brinckmann Variation, Polish

1.b4 e5 2.Bb2 f6 3.e4 Bxb4 4.Bc4 Nc6 5.f4 Qe7 6.f5 g6

A00

Bucker Defense, Polish

1.b4 Na6

A00

Grigorian Variation, Polish

1.b4 Nc6

A00

Polish Spike

1.b4 Nf6 2.Bb2 g6 3.g4

A00

Karniewski; Tubingen Variation, Polish

1.b4 Nh6

A00

Saragossa; Hempel's Opening

1.c3

A00

Hanham; Hayward

1.c3 e5 2.Qc2

A00

Mieses; Valencia; Venezuelan Opening

1.d3 

A00

Venezolana

1.d3 c5 2.Nc3 Nc6 3.g3

A00

Reversed Rat

1.d3 e5

A00

Spike Deferred; Myers Spike Attack

1.d3 g6 2.g4

A00

Keoni-Hiva Gambit

1.e3 d5 2.Nc3 Nf6 3.a3 e5 4.f4 exf4 5.Nf3

A00

Van't Kruijs Opening

1.e3 e5

A00

Bouncing Bishop Variation

1.e3 e5 2.Bc4 b5 3.Bb3

A00

Amsterdam Attack

1.e3 e5 2.c4 d6 3.Nc3 Nc6 4.b3 Nf6

A00

Ekolu Variation

1.e3 e5 2.Nc3 d5 3.f4 exf4 4.Nf3

A00

Alua Variation

1.e3 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3

A00

Akahi Variation

1.e3 e5 2.Nc3 Nf6 3.f4 exf4 4.Nf3

A00

Barnes; Gedult-Gunderam; Walkerling

1.f3 

A00

King's Head Opening

1.f3 e5 2.e4

A00

Hammerschlag; Pork Chop Opening

1.f3 e5 2.Kf2

A00

Benko; Barczay; Bilek; Hungarian

1.g3 

A00

Gambit 59

1.g3 d5 2.Bg2 e5 3.b4

A00

Regan Variation

1.g3 d5 2.Bg2 e5 3.d4

A00

Reversed Alekhine

1.g3 e5 2.Nf3

A00

Lasker Simul Special

1.g3 h5

A00

Grob; Ahlhausen; Colibri; Fric; Genoa; Spike

1.g4

A00

Grob Gambit

1.g4 d5 2.Bg2 Bxg4

A00

Romford Counter-Gambit, Grob

1.g4 d5 2.Bg2 Bxg4 3.c4 d4

A00

Spike, Grob

1.g4 d5 2.Bg2 c6 3.g5

A00

Short Spike, Grob

1.g4 d5 2.Bg2 c6 3.h3

A00

Zilbermints Gambit, Grob

1.g4 d5 2.e4

A00

Keene Defense, Grob

1.g4 d5 2.h3 e5

A00

Hurst Attack, Grob

1.g4 e5 2.Bg2 d5 3.c4

A00

Alessi Gambit, Grob

1.g4 f5

A00

Double Grob

1.g4 g5

A00

Spike Deferred

1.g4 g6 2.d3

A00

Bucker Defense, Grob

1.g4 Nh6

A00

Clemenz Opening

1.h3

A00

Kadas Opening

1.h4

A00

Despres Opening

1.h4

A00

Koola-Koola

1.h4 a5

A00

Wulumulu

1.h4 e5 2.d4

A00

Durkin's Opening; Sodium Attack

1.Na3

A00

Dunst; Heinrichsen; Will Bull; Kotrc

1.Nc3

A00

St. George Defense, Dunst

1.Nc3 a6

A00

Novosibirsk Variation, Dunst

1.Nc3 c5 2.d4 cxd4 3.Qxd4 Nc6 4.Qh4

A00

Twyble Attack, Dunst

1.Nc3 c5 2.Rb1

A00

Dunst Gambit

1.Nc3 d5 2.e4 dxe4 3.d3

A00

Pseudo-Diemer Gambit, Dunst

1.Nc3 d5 2.e4 dxe4 3.f3 exf3 4.Qxf3

A00

Amazon, Dunst

1.Nc3 d5 2.e4 dxe4 3.Nxe4 Qd5

A00

Reversed Nimzovich

1.Nc3 e5  

A00

Battambang, Dunst

1.Nc3 e5 2.a3

A00

Irish Attack; Polish Attack

1.Nc3 e5 2.f4

A00

Napoleon Attack, Dunst

1.Nc3 e5 2.Nf3

A00

Glasscoe Gambit, Dunst

1.Nc3 f5 2.g4

A00

Anti-Pirc Variation, Dunst

1.Nc3 g6 2.h4

A00

Tubingen Gambit, Dunst

1.Nc3 Nf6 2.g4

A00

Amar; Paris Opening

1.Nh3

A00

Drunken Knight Opening

1.Nh3

A00

Krazy Kat

1.Nh3 e5 2.f3 d5 3.Nf2

A01

Larsen; Queen's Fianchetto; Nimzo-Larsen Attack A01

1.b3

A01

Symmetrical Variation, Larsen

1.b3 b6

A01

English Variation, Larsen

1.b3 c5

A01

Classical Variation, Larsen

1.b3 d5

A01

Modern Variation, Larsen

1.b3 e5

A01

Ringelbach Gambit, Larsen

1.b3 e5 2.Bb2 f5 3.e4

A01

Paschmann Gambit, Larsen

1.b3 e5 2.Bb2 Nc6 3.f4

A01

Dutch Variation, Larsen

1.b3 f5

A01

Indian Variation, Larsen

1.b3 Nf6  

A01

Spike Variation, Larsen

1.b3 Nf6 2.Bb2 g6 3.g4

A02

 Bird's Opening; Dutch Attack

1.f4

A02

From's Gambit, Bird

1.f4 e5

A02

Canard Formation; Double Duck

1.f4 f5 2.d4 d5

A02

Pawn Thrust Attack, Bird

1.f4 f5 2.d4 d5

A02

Swiss Gambit, Bird

1.f4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4

A02

Hobbs Gambit, Bird

1.f4 g5

A02

Batavo Polish Attack, Bird

1.f4 Nf6 2.Nf3 g6 3.b4

A03

A03

1.f4 d5

A03

Sturm; Mujannah

1.f4 d5 2.c4

A03

Prokofiev Gambit, Bird

1.f4 d5 2.e4 dxe4 3.d3

A03

Williams Gambit, Bird

1.f4 d5 2.e4 dxe4 3.Nc3

A03

Horsefly Defense, Bird

1.f4 Nh6

A04

Reti; Zukertort; A04

1.Nf3 

A04

Wade Defense

1.Nf3 d6

A04

Lisitsin Gambit; Polish Gambit

1.Nf3 f5 2.e4 

A04

Rydel-Bloodgood Gambit

1.Nf3 f5 2.e4 exf4 3.Ne5

A04

Polish G; Dalesio G; Pirc-Lisitsin G

1.Nf3 f5 2.e4 fxe4 3.Ng5

A04

Herrstrom Gambit, Reti

1.Nf3 g5

A04

Oberndorfer Gambit; Reti

1.Nf3 g5

A04

Lessing Defense

1.Nf3 Nc6

A05

King's Indian Attack; Reti; Zukertort; A05

1.Nf3 Nf6

A06

A06

1.Nf3 d5

A06

Nimzovich Opening, Reti

1.Nf3 d5 2.b3

A06

Bloodgood Gambit, Reti

1.Nf3 d5 2.b3 c5 3.e4 dxe4 4.Ne5

A06

Santasiere's Folly, Reti

1.Nf3 d5 2.b4

A06

Old Indian Attack

1.Nf3 d5 2.d3

A06

Tennison G; Lemberg G; Abonyi G

1.Nf3 d5 2.e4

A06

Reversed Mexican Defense, Reti

1.Nf3 d5 2.Nc3

A06

Ampel Variation, Reti

1.Nf3 d5 2.Rg1

A06

Improved Lisitsin G, Reti

1.Nf3 f5 2.d3

A07

Barcza Opening, Reti; A07

1.Nf3 d5 2.g3

A08

A08

1.Nf3 d5 2.g3 c5

A09

Reti; Landstrasser G; Wolf G; A09

1.Nf3 d5 2.c4 

A09

London V; New York V, Reti

1.Nf3 d5 2.c4 c6 3.b3 Nf6 4.Bg2 e6 5.Bb2 Nbd7

A09

Benoni Reversed; Wing Blumenfeld

1.Nf3 d5 2.c4 d4 

A09

Reti Polonaise

1.Nf3 d5 2.c4 d4 3.b4

A09

Penguin Variation, Reti

1.Nf3 d5 2.c4 d4 3.Rg1

A09

Reti Gambit Accepted

1.Nf3 d5 2.c4 dxc4

A09

Neo-Catalan, Reti

1.Nf3 d5 2.c4 e6 3.g3

A10

English Opening; A10

1.c4

A10

Halibut Gambit, English

1.c4 b5

A10

Anglo Scandanavian Defense, English

1.c4 d5

A10

Loehn Gambit, English

1.c4 d5 2.cxd5 e6

A10

Schulz Gambit, English

1.c4 d5 2.cxd5 Nf6

A10

Malvinas Variation, English

1.c4 d5 2.cxd5 Qxd5 3.Nc3 Qa5

A10

Anglo-Dutch Defense

1.c4 f5

A10

Anglo-Polish Dutch

1.c4 f5 2.b4

A10

Hickmann Gambit, English

1.c4 f5 2.e4

A10

Hickmann Gambit, English

1.c4 f5 2.e4 fxe4 3.d3

A10

Porcupine Variation, English

1.c4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4

A10

Wade Gambit, English

1.c4 f5 2.g4

A10

English Spike

1.c4 f5 2.g4

A10

Chabanon Gambit, English

1.c4 f5 2.Nf3 d6 3.e4

A10

Myers Defense, English

1.c4 g5 2.d4 Bg7

A10

Zilbermints Gambit, English

1.c4 g5 2.d4 e5

A10

Great Snake, English

1.c4 g6 

A10

Adorjan System, English

1.c4 g6 2.e4 e5

A10

Beefeater

1.c4 g6 2.Nc3 Bg7 3.d4 c5 4.d5 Bxc3 5.bxc3 f5

A10

Anglo-Lithuanian Variation, English

1.c4 Nc6

A11

Anglo-Slav, English; A11

1.c4 c6

A12

A12

1.c4 c6 2.Nf3 d5 3.b3

A12

Bled Variation, English

1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 g6

A13

Agincourt; Kurajica Defense, English; A13

1.c4 e6

A13

English Defense

1.c4 e6 2.d4 b6

A13

King's Knight Variation, English

1.c4 e6 2.Nf3 d5

A13

Wimpy System, English

1.c4 e6 2.Nf3 d5 3.b3 Nf6 4.Bb2 c5 e3

A13

Afincourt Variation, English

1.c4 e6 2.Nf3 d5 3.g3

A13

Kurajica Defense, English

1.c4 e6 2.Nf3 d5 3.g3 c6

A13

Neo Catalan, English

1.c4 e6 2.Nf3 d5 3.g3 Nf6

A13

Neo Catalan Accepted, English

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4

A13

Romanishin Gambit, English

1.c4 e6 2.Nf3 Nf6 3.g3 a6 4.Bg2 b5

A14

A14

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7

A14

Neo Catalan Declined, English

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O

A14

Keres Defense, English

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O c5 6.cxd5 Nxd5 7.Nc3 Nc6

A15

Anglo System, English; A15

1.c4 Nf6

A15

Mikenas-Carls Variation, English

1.c4 Nf6

A15

English Orangutan

1.c4 Nf6 2.b4

A15

Shirazi Shove

1.c4 Nf6 2.g3 h5

A15

King's Knight Variation, English

1.c4 Nf6 2.Nf3

A15

Romanishin Variation, English

1.c4 Nf6 2.Nf3 e6 3.g3 a6

A16

A16

1.c4 Nf6 2.Nc3

A16

Golombek Defense, English; Anti English

1.c4 Nf6 2.Nc3 d5

A16

Czech Variation, English

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nb6

A16

Korchnoi's Variation, English

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.g3 Bg7 6.Bg2 e5

A16

Stein Attack, English

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.Qa4+

A16

Anti-anti-grunfeld

1.c4 Nf6 2.Nc3 g6 3.Nf3 Bg7 4.e4

A17

Smyslov Defense, English

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3

A17

Hegehog System, Anglo-Indian English; A17

1.c4 Nf6 2.Nc3 e6

A17

Nimzo-English Opening

1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4

A17

Zviagintsev-Krasenkov Attack, English

1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.g4

A18

Flohr-Mikenas-Carls Variation, English; A18

1.c4 Nf6 2.Nc3 e6 3.e4

A18

Kevitz Defense, English

1.c4 Nf6 2.Nc3 e6 3.e4 Nc6

A18

Queen's Indian Formation, English

1.c4 Nf6 2.Nc3 e6 3.Nf3 b6

A19

Floh-Mikenas-Carls Variation, English; A19

1.c4 Nf6 2.Nc3 e6 3.e4 c5

A19

Nei Gambit, English

1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8

A20

King's English; A20

1.c4 e5 

A20

Kahiko-Hula Gambit, English

1.c4 e5 2.e3 Nf6 4.f4 exf4 4.Nf3

A20

Double Whammy, English

1.c4 e5 2.f4

A20

Drill Variation, English

1.c4 e5 2.g3 h5

A20

Nimzovich Variation, English

1.c4 e5 2.Nf3

A20

Nimzovich-Flohr Variation, English

1.c4 e5 2.Nf3 e4

A20

English Queen

1.c4 e5 2.Qa4

A21

Reversed Sicilian, English; A21

1.c4 e5 2.Nc3

A21

Kramnik-Shirov Variation, English

1.c4 e5 2.Nc3 Bb4

A21

Troger Variation, English

1.c4 e5 2.Nc3 d6 3.g3 Be6 4.Bg2 Nc6

A21

Keres Defense, English

1.c4 e5 2.Nc3 d6 3.g3 c6

A21

General Variation, King's English

1.c4 e5 2.Nc3 d6 3.Nf3

A21

Smyslov Variation, English

1.c4 e5 2.Nc3 d6 3.Nf3 Bg4

A21

Anglo-Dutch

1.c4 e5 2.Nc3 f5

A22

Two Knights Variation, English; A22

1.c4 e5 2.Nc3 Nf6

A22

Mazedonisch Variation, English

1.c4 e5 2.Nc3 Nf6 3.f4

A22

Bremen; Carls Variation, English

1.c4 e5 2.Nc3 Nf6 3.g3

A22

Kapengut; Smyslov; Modern V, English

1.c4 e5 2.Nc3 Nf6 3.g3 Bb4

A22

Bellon Gambit, English

1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 b5

A22

Erbenheimer Gambit, English

1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 Ng4

A23

Keres Variation, English; A23

1.c4 e5 2.Nc3 Nf6 3.g3 c6

A23

Reversed Dragon, English

1.c4 e5 2.Nc3 Nf6 3.g3 d5

A24

Fianchetto Lines, Two Knights Variation, English; A24

1.c4 e5 2.Nc3 Nf6 3.g3 g6

A24

Prickly Pawn Pass System, English

1.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 O-O 7.Nge2 c6 8.O-O a6

A25

Reversed Closed Sicilian, English; A25

1.c4 e5 2.Nc3 Nc6

A25

Troger Variation, English

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Be6

A25

Taimanov Variation, English

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7

A25

Hungarian Attack, English

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 4.Rb1

A25

Closed System, Full Symmetry, King's English

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6

A25

Botvinnik System, King's English

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4

A25

Bremen-Hort Variation, English

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Be6

A25

Botvinnik Variation, English

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4

A26

Closed System, King's English; A26

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3

A27

Three Knights System, English; A27

1.c4 e5 2.Nc3 Nc6 3.Nf3

A28

Four Knights Variation, English; A28

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6

A28

Korchnoi Line, English

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.a3

A28

Flexible Line, English

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d3

A28

Bradley Beach Variation, English

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4 e4

A28

Four Knights Variation, English 

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4 exd4 5.Nxd4Bb4 6.Bg5 h6 7.Bh4 Bxc3+ 8.bxc3 Ne5

A28

Quiet Line, English

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3

A28

Romanishin Variation, English

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 Bxc3

A28

Keene; Stean Variation, English

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 O-O 6.Nd5 Re8 7.Qf5

A28

Botvinnik Line, English

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e4

A29

Fianchetto Line, Four Knights English; A29

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3

A30

Symmetrical Defense, English; A30

1.c4 c5 

A30

Wing Variation, English

1.c4 c5 2.b4

A30

Napolitano Gambit, Symmetrical English

1.c4 c5 2.Nf3 Nf6 3.b4

A30

Hedgehog Variation, Symmetrical English

1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7

A30

Double Fianchetto Defense, English

1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6

A31

Anti-Benoni Variation, Symmetrical English; A31

1.c4 c5 2.Nf3 Nf6 3.d4

A31

Two Knights Variation, English

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4

A32

Spielmann Defense, Symmetrical English; A32

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6

A33

A33

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6

A33

Geller Variation, Symmetrical English

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3 Qb6

A34

Normal Variation, Symmetrical English; A34

1.c4 c5 2.Nc3

A34

Fianchetto Variation, Symmetrical English 

1.c4 c5 2.Nc3 Nf6 3.g3

A34

Rubinstein Variation, Symmetrical English

1.c4 c5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc7

A34

Asymmetrical Variation, English

1.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5

A34

Keres-Parma System, English

1.c4 c5 2.Nc3 Nf6 3.Nf3 e6 4.g3 Nc6

A34

Four Knights Variation, Symmetrical English

1.c4 c5 2.Nc3 Nf6 3.Nf3 Nf6

A35

Two Knights Variation, Symmetrical English; A35

1.c4 c5 2.Nc3 Nc6  

A36

Fianchetto Variation, Symmetrical English; A36

1.c4 c5 2.Nc3 Nc6 3.g3

A36

Symmetrical Variation, Symmetrical English

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7

A36

Botvinnik System Reversed, Symmetrical English

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 e5

A36

Botvinnik Variation, Symmetrical English

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4

A37

Two Knights Line, Symmetrical English; A37

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3

A38

Full Symmetry Line, Symmetrical English; A38

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6

A38

Double Fianchetto, Symmetrical English

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.b3

A38

Duchamp Variation, Symmetrical English

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3

A39

Mecking Variation, Symmetrical English; A39

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4

A40

Hartlaub Gambit, English

1.c4 b6 2.d4 Bb7 3.Nc3 e6 4.e4 f5 5.exf5 Nf6

A40

Queen Pawn Opening; A40

1.d4

A40

St George's Gambit

1.d4 a6 2.c4 b5 3.e4 e6 4.cxb5 axb5

A40

Polish Defense

1.d4 b5 

A40

Spassky Gambit, Polish Defense

1.d4 b5 2.e4 Bb7 3.Bxb5

A40

Queen Fianchetto, Queen Pawn Game

1.d4 b6

A40

Eastbourne Gambit

1.d4 b6 2.c4 Bb7 3.Bxb5

A40

Charlick Gambit; Englund Gambit

1.d4 e5

A40

Englund Gambit Declined

1.d4 e5 2.d5

A40

Diemer Counterattack

1.d4 e5 2.d5 Bc5 3.e4 Qh4

A40

Thuring Gambit; Hartlaub-Charlick Gambit

1.d4 e5 2.dxe5 d6

A40

Soller; Purchas Gambit

1.d4 e5 2.dxe5 f6

A40

Englund; Behting Gambit

1.d4 e5 2.dxe5 Nc6 

A40

Felbecker Gambit

1.d4 e5 2.dxe5 Nc6 3.Nf3 Bc5

A40

Soller Gambit Deferred

1.d4 e5 2.dxe5 Nc6 3.Nf3 f6

A40

Zilbermints Gambit II, Englund Gambit

1.d4 e5 2.dxe5 Nc6 3.Nf3 h6

A40

Zilbermints Gambit, Englund Gambit

1.d4 e5 2.dxe5 Nc6 3.Nf3 Nge7

A40

Englund Gambit

1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7

A40

Stockhom Variation, Englund Gambit

1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Qd5

A40

Mosquito Gambit, Englund

1.d4 e5 2.dxe5 Qh4

A40

Horwitz Defense

1.d4 e6

A40

Franco-Indian Defense

1.d4 e6

A40

Seneschaud Variation, Dutch

1.d4 e6 2.Bf4 f5 3.g4

A40

English Defense

1.d4 e6 2.c4 b6

A40

Perrin Variation

1.d4 e6 2.c4 b6 3.e4 Bb7 4.Bd3 Nc6

A40

Poli Gambit

1.d4 e6 2.c4 b6 3.e4 Bb7 4.f3 f5 5.exf5 Nh6

A40

Hartlaub Gambit Declined

1.d4 e6 2.c4 b6 3.Nc3 Bb7 4.e4 f5 5.d5

A40

Hartlaub Gambit Accepted

1.d4 e6 2.c4 b6 3.Nc3 Bb7 4.e4 f5 5.exf5 Nf6

A40

Keres Defense, Indian; Kangaroo Defense

1.d4 e6 2.c4 Bb4+

A40

Transpositional Variation, Keres Defense

1.d4 e6 2.c4 Bb4+ 3.Nc3

A40

Zilbermints Gambit

1.d4 e6 2.c4 e5

A40

Borg Gambit

1.d4 g5

A40

Queen Pawn Fianchetto

1.d4 g6

A40

Kotov-Robatsch Defense

1.d4 g6 2.c4 Bg7

A40

Pseudo-Saemisch

1.d4 g6 2.c4 Bg7 3.e4 d6 4.Be3 Nf6 5.f3

A40

Rossolimo Variation

1.d4 g6 2.c4 Bg7 3.e4 d6 4.Nf3 Bg4

A40

Neo-Modern Defense

1.d4 g6 2.c4 Bg7 3.e4 e5

A40

Beefeater Variation

1.d4 g6 2.c4 Bg7 3.Nc3 c5 4.d5 Bxc3+ 5.bxc3 f5

A40

Modern Defense

1.d4 g6 2.c4 Bg7 3.Nc3 d6

A40

Kotov Variation, Modern

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 Nc6

A40

Lizard Defense; Pirc-Diemer Gambit

1.d4 g6 2.h4 Nf6 3.h5

A40

Bogoljubov; Mikenas-Van Geet Defense

1.d4 Nc6

A40

Lundin Defense

1.d4 Nc6

A40

Lithuanian Variation, Mikenas

1.d4 Nc6 2.c4 e5 3.d5 Nce7

A40

Cannstatter Variation, Mikenas

1.d4 Nc6 2.c4 e5 3.d5 Nd4

A40

Pozarek Gambit

1.d4 Nc6 2.c4 e5 3.dxe5 Nxe5 4.Nc3 Nxc4

A40

Montevideo Defense

1.d4 Nc6 2.d5 Nb8

A40

Zaire Defense

1.d4 Nc6 2.d5 Nb8 3.e4 Nf6 5.e5 Ng8

A40

Polish Variation

1.e4 g6 2.d4 Bg7 3.c4 c5 4.Nf3 Qb6

A40

Dunworth Variation, Modern Defense

1.e4 g6 2.d4 Bg7 3.c4 d5 4.exd5 c6 5.dxc6 Bxd4

A41

Anglo-Slav Opening

1.d4 c6 2.c4 d6

A41

Pillsbury Defense; A41; Rat Defense

1.d4 d6 

A41

Wade Defense

1.d4 d6 2.Nf3 Bg4

A41

Averbakh Variation, Modern

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4

A41

Pterodactyl Variation, Modern

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 c5 5.Nf3 Qa5

A42

A42

1.d4 d6 2.c4

A42

English Rat

1.d4 d6 2.c4 e5

A42

Lisbon Gambit

1.d4 d6 2.c4 e5 3.dxe5 Nc6

A42

Randspringer Variation

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 f5

A43

Staunton Defense; Benoni C-G; A43

1.d4 c5

A43

Zilbermints Gambit; Nakamura Gambit, Benoni

1.d4 c5 2.b4 cxb4

A43

Old Benoni

1.d4 c5 2.d5 d6

A43

Schmid Variation, Benoni

1.d4 c5 2.d5 d6 3.Nc3 g6

A43

Franco-Benoni; Franco-Sicilian

1.d4 c5 2.d5 e6 3.e4

A43

Clarendon Court Variation, Benoni

1.d4 c5 2.d5 f5

A43

Benoni-Staunton Gambit

1.d4 c5 2.d5 f5 3.e4

A43

Snail Variation, Benoni

1.d4 c5 2.d5 Na6

A43

Benoni-Indian Defense

1.d4 c5 2.d5 Nf6

A43

Woozle Defense, Benoni

1.d4 c5 2.d5 Nf6 3.Nc3 Qa5

A43

Kingside move order, Benoni

1.d4 c5 2.d5 Nf6 3.Nf3

A43

Habichd; Hawk Variation, Benoni

1.d4 c5 2.d5 Nf6 3.Nf3 c4

A43

Hawk Variation, Benoni

1.d4 c5 2.d5 Nf6 3.Nf3 e4

A43

Benoni Gambit Accepted

1.d4 c5 2.dxc5

A43

Cormorant Gambit, Benoni

1.d4 c5 2.dxc5 b6

A43

Schlenker Defense, Benoni

1.d4 c5 2.dxc5 Na6

A43

Zilbermints-Benoni Gambit

1.d4 c5 2.Nf3 cxd4 3.b4

A43

Tamarkin Countergambit, Benoni

1.d4 c5 2.Nf3 cxd4 3.b4 e5

A43

Franco-Sicilian Hybrid

1.d4 e6 2.c4 c5 3.d5 exd5 4.cxd5 d6 5.Nc3 g6 6.e4 Bg7 7.Nf3 Ne7

A44

Pawn Thrust, Benoni; A44

1.d4 c5 2.d5 e5

A44

Blockade Variation; Semi-Benoni; Russian Variation

1.d4 c5 2.d5 e5 3.e4 d6

A45

Indian Defense; A45

1.d4 Nf6

A45

Basque Opening

1.d4 Nf6 2.b3

A45

Trompowsky; Opocensky; Ruth Opening

1.d4 Nf6 2.Bg5

A45

Poisoned Pawn Variation, Trompowsky

1.d4 Nf6 2.Bg5 c5 3.d5 Qb6 4.Nc3

A45

Chepukaitis Gambit

1.d4 Nf6 2.Bg5 c5 3.d5 Qb6 4.Nc3 Qxb2 5.Bd2 Qb6

A45

Borg Variation, Trompowsky

1.d4 Nf6 2.Bg5 Ne4 3.Bf4 g5

A45

Edge Variation, Trompowsky

1.d4 Nf6 2.Bg5 Ne4 3.Bh4

A45

Hergert Gambit #2, Trompowsky

1.d4 Nf6 2.Bg5 Ne4 3.Bh4 c6 4.Nd2 Qa5 5.c3 Nxd2 6.Qxd2 d5 7.e4

A45

Hergert Gambit #1, Trompowsky

1.d4 Nf6 2.Bg5 Ne4 3.Bh4 d5 4.f3 Nf6 5.Nc3 Bf5 6.e4

A45

Raptor Variation, Trompowsky

1.d4 Nf6 2.Bg5 Ne4 3.h4

A45

Hergert Gambit, Trompowsky

1.d4 Nf6 2.Bg5 Ne4 3.h4 Nxg5 4.hxg5 e5

A45

Pawn Push Variation

1.d4 Nf6 2.d5

A45

Omega Gambit

1.d4 Nf6 2.e4

A45

Arafat Gambit

1.d4 Nf6 2.e4 Nxe4 3.Bd3 Nf6 4.Bg5

A45

Paleface Attack

1.d4 Nf6 2.f3

A45

Webster Gambit

1.d4 Nf6 2.f3 c5 3.d5 e6 4.e4 exd5 5.e5

A45

Blackmar-Diemer Gambit Deferred

1.d4 Nf6 2.f3 d5 3.e4 

A45

Kraus-Muhlherr Counter Gambit

1.d4 Nf6 2.f3 d5 3.e4 e5 4.dxe5 Nxe4

A45

Gedult Attack

1.d4 Nf6 2.f3 d5 3.g4

A45

Gedult-Gunderam System

1.d4 Nf6 2.f3 d5 3.g4

A45

Linder Counter Gambit

1.d4 Nf6 2.f3 e6 3.e4 Nxe4

A45

Canard Attack

1.d4 Nf6 2.f4

A45

Ueberlinger Gambit

1.d4 Nf6 2.g3 e5

A45

Bullfrog; Weidenhagen; Krabbe; Ochsenfrosch

1.d4 Nf6 2.g4

A45

Bronstein Gambit

1.d4 Nf6 2.g4

A45

Oshima Defense

1.d4 Nf6 2.g4 e5

A45

Gibbins-Wiedehagen Gambit Accepted

1.d4 Nf6 2.g4 Nxg4

A45

Stummer Gambit

1.d4 Nf6 2.g4 Nxg4 3.e4 d6 4.Be2 Nf6 5.Nc3

A45

Maltese Falcon

1.d4 Nf6 2.g4 Nxg4 3.f3 Nf6 4.e4

A45

Reversed Chigorin Defense

1.d4 Nf6 2.Nc3 c5

A45

Von Beivorseen

1.d4 Nf6 2.Nc3 c5 3.dxc5

A45

Malich Gambit

1.d4 Nf6 2.Nc3 d5 3.Bg5 c5 4.Bxf6 gxf6 5.e4 dxe4 6.d5

A45

Huebsch Gambit

1.d4 Nf6 2.Nc3 d5 3.e4 Nxe4

A45

Maddigan Gambit

1.d4 Nf6 2.Nc3 e5

A45

Lazard Gambit; Maddigan Gambit

1.d4 Nf6 2.Nd2 e5

A46

Knights Variation, Indian Game; A46

1.d4 Nf6 2.Nf3

A46

Polish Defense

1.d4 Nf6 2.Nf3 b5

A46

Spielmann-Indian

1.d4 Nf6 2.Nf3 c5

A46

Pseudo-Benko Gambit

1.d4 Nf6 2.Nf3 c5 3.d5 b5

A46

Czech-Indian

1.d4 Nf6 2.Nf3 c6

A46

London System

1.d4 Nf6 2.Nf3 e6 3.Bf4

A46

Torre Attack

1.d4 Nf6 2.Nf3 e6 3.Bg5

A46

Petrosian Gambit

1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e3 b6 5.d5

A46

Swiss; Wagner Gambit

1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e4

A46

Nimzovich Variation, Torre Attack

1.d4 Nf6 2.Nf3 e6 3.Bg5 h6

A46

Yusupov-Rubinstein System

1.d4 Nf6 2.Nf3 e6 3.e3

A46

Dory Defense

1.d4 Nf6 2.Nf3 Ne4

A47

Capablanca Variation, Indian Game; A47

1.d4 Nf6 2.Nf3 b6

A47

Torre Attack

1.d4 Nf6 2.Nf3 b6 3.Bg5

A47

Schnepper Gambit

1.d4 Nf6 2.Nf3 b6 3.c3 e5

A47

Marienbad Variation

1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5

A47

Berg Variation

1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5 5.c4 cxd4 6.Qxd4

A48

Pseudo-King's Indian Variation; A48

1.d4 Nf6 2.Nf3 g6

A48

London System, Torre Attack

1.d4 Nf6 2.Nf3 g6 3.Bf4

A48

London Variation

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nbd2

A48

Fianchetto Defense, Torre Attack

1.d4 Nf6 2.Nf3 g6 3.Bg5

A48

Euwe Variation, Torre Attack

1.d4 Nf6 2.Nf3 g6 3.Bg5 Bg7 4.Nbd2 c5

A48

King's Indian Variation

1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Bd3 d6

A49

Przepiorka Variation; A49

1.d4 Nf6 2.Nf3 g6 3.g3

A50

Normal Variation, Indian Game; A50

1.d4 Nf6 2.c4

A50

Pyrenees Gambit

1.d4 Nf6 2.c4 b5

A50

Queen's Indian Defense; Saemisch-Indian

1.d4 Nf6 2.c4 b6

A50

Medusa Gambit

1.d4 Nf6 2.c4 g5

A50

Van Geet; Kevitz; Trajkovic; Mexican

1.d4 Nf6 2.c4 Nc6

A50

Horsefly Gambit

1.d4 Nf6 2.c4 Nc6 3.d5 Ne5 4.f4

A51

Budapest Defense; A51

1.d4 Nf6 2.c4 e5

A51

Fajarowicz Variation, Budapest

1.d4 Nf6 2.c4 e5 3.dxe5 Ne4

A51

Bonsdorf Variation, Budapest

1.d4 Nf6 2.c4 e5 3.dxe5 Ne4 4.a3 b6

A51

Steiner Variation, Budapest

1.d4 Nf6 2.c4 e5 3.dxe5 Ne4 4.Qc2

A52

Normal Variation, Budapest; A52

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4

A52

Rubinstein Variation, Budapest

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4

A52

Kornl Richter Gambit, Budapest

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4 Nc6 5.Nf3 Bb4+ 6.Nc3 Bxc3+

A52

Center Play Variation, Budapest; Alekhine Variation

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4

A52

Balogh; Tartakower C-G, Budapest

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 d6

A52

Barmina Gambit, Budapest

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 Nxe5 5.f4 Bc5

A52

Wikstrom Gambit, Budapest

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 Nxe5 5.f4 Nbc6

A52

Abonyi Variation, Budapest

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 Nxe5 5.f4 Nec6

A52

Adler Variation, Budapest

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Nf3

A53

Old Indian Defense; Chigorin Indian Defense; A53

1.d4 Nf6 2.c4 d6

A53

Aged Gibbon Gambit

1.d4 Nf6 2.c4 d6 3.g4

A53

Janowski Variation, Old Indian

1.d4 Nf6 2.c4 d6 3.Nc3 Bf5

A53

Grinberg Gambit, Old Indian

1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 4.e4

A53

Ukranian Variation

1.d4 Nf6 2.c4 d6 3.Nc3 e5

A53

Duz-Khotimirsky Variation

1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.e3 e5 5.Bd3

A53

Tartakower-Indian

1.d4 Nf6 2.c4 d6 3.Nf3 Bg4

A54

Two Knights Variation, Old Indian; A54

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3

A55

Normal Variation, Old Indian; A55

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4

A56

Vulture Defense, Benoni

1.d4 c5 2.d5 Nf6 3.c4 Ne4

A56

Hromadka Defense; Loose Gambit: A56

1.d4 Nf6 2.c4 c5

A56

Hromadka System, Benoni

1.d4 Nf6 2.c4 c5 3.d5 d6

A56

Lundin; Bronstein Counter-Gambit

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 b5

A56

Petrosian System; Czech Benoni Defense

1.d4 Nf6 2.c4 c5 3.d5 e5

A56

Czech Variation, Benoni

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Be7

A56

King's Indian System, Benoni

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6

A56

Vulture Variation; Der Geier

1.d4 Nf6 2.c4 c5 3.d5 Ne4

A56

Weenink Variation, Benoni

1.d4 Nf6 2.c4 c5 3.dxc5 e6

A57

Benko Gambit; Volga; Opocensky; Vaitonis; A57

1.d4 Nf6 2.c4 c5 3.d5 b5

A57

Sosonko Variation, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.a4

A57

Bishop Attack, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.Bg5

A57

Benko Gambit Accepted

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5

A57

Pawn Return Variation, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.b6

A57

Central Storming Variation, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.f4

A57

Modern Variation, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3

A57

Dlugy Variation, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.f3

A57

Zaitsev System, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 

A57

Nescafe Frappe Attack, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 axb5 6.e4 b4 7.Nb5

A57

Zaitsev Variation, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 axb5 6.e4 b4 7.Nb5 d6 8.Nf3 g6 9.Bc4

A57

Benko Gambit Declined; Hjoerring Countergambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.e4

A57

Pseudo-Saemisch, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.f3

A57

Mutkin Countergambit, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.g4

A57

Quiet Line, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.Nd2

A57

Main Line, Benko Gambit Declined

1.d4 Nf6 2.c4 c5 3.d5 b5 4.Nf3

A58

Fully Accepted Variation, Benko Gambit; A58

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6

A58

Fianchetto Variation, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 g6 7.Nf3 d6 8.g3 Bg7 9.Bg2

A59

A59

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4

A59

King Walk Variation, Benko Gambit

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 Bxf1 8.Kxf1 g6 9.g3 Bg7 10.Kg2 O-O

A60

Tal Variation, Modern Variation, Benoni; A60

1.d4 Nf6 2.c4 c5 3.d5 e6

A60

Modern Benoni

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6

A61

A61

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3

A61

Snake Variation, Benoni

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 Bd6

A61

Penrose Variation, Benoni

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Bd3

A61

Uhlmann Variation, Benoni

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Bg5

A61

Nimzovich Variation, Knight's Tour Variation, Benoni

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Nd2

A62

A62

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3

A62

Fianchetto Variation, Benoni

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2

A62

Hastings Defense, Benoni

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 Nbd7

A63

A63

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

A64

A64

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

A65

King Pawn lines, Benoni; A65

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4

A66

Pawn Storm Variation, Benoni; A66

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4

A66

Mikenas V, Benoni

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.e5

A67

Taimanov Variation, Benoni; A67

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5

A68

A68

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3

A68

Four Pawns Attack, Benoni

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O

A69

A69

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O 9.Be2 Re8

A70

Classical Variation, Benoni; A70

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3

A71

A71

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5

A72

A72

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2

A73

A73

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O

A74

A74

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6

A75

Argentine Attack, Benoni; A75

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4 Bg4

A76

Czerniak Defesne, Benoni; A76

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8

A77

A77

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2

A78

A78

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6

A79

A79

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6 11.f3

A80

Dutch Defense; A80

1.d4 f5

A80

Seneschaud Gambit, Dutch

1.d4 f5 2.Bf4 e6 3.g4

A80

Hopton Attack, Dutch

1.d4 f5 2.Bg5

A80

Blackmar's Second Gambit, Dutch

1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.f3

A80

Lisbon Gambit, Dutch; Krejcik Gambit

1.d4 f5 2.g4

A80

Hevendehl Gambit, Dutch

1.d4 f5 2.g4 e5

A80

Tate Gambit, Dutch

1.d4 f5 2.g4 fxg4 3.e4 d5 4.Nc3

A80

Korchnoi's Variation, Dutch

1.d4 f5 2.h3

A80

Janzen-Korchnoi Gambit, Dutch

1.d4 f5 2.h3 Nf6 3.g4

A80

Raphael Variation, Dutch

1.d4 f5 2.Nc3

A80

Kingfisher Gambit, Dutch

1.d4 f5 2.Nc3 d5 3.e4

A80

Spielmann Gambit, Dutch

1.d4 f5 2.Nc3 Nf6 3.g4

A80

Barcza Variation, Dutch

1.d4 f5 2.Nf3 Nf6 3.c3

A80

Alapin; Ulvestad; Manhattan; Kmoch Variation, Dutch

1.d4 f5 2.Qd3 

A80

Anti-Stonewall, Dutch

1.d4 f5 2.Qd3 d5 3.g4

A80

Anti-Modern, Dutch

1.d4 f5 2.Qd3 d6 3.g4

A80

Anti-Classical Line, Dutch

1.d4 f5 2.Qd3 e6 3.g4

A80

Anti-Leningrad Variation, Dutch

1.d4 f5 2.Qd3 g6 3.g4

A80

Manhattan Gambit, Dutch

1.d4 f5 2.Qd3 Nf6 3.g4

A80

Pretzel Gambit, Dutch

1.d4 f5 2.Qd3 Nf6 3.g4

A81

Dutch Indian; Leningrad Variation, Dutch; A81

1.d4 f5 2.g3

A81

Basman Variation, Dutch

1.d4 f5 2.g3 g6 3.Bg2 Bg7 4.Nf3 c6 5.O-O Nh6

A81

Carlsbad Variation, Dutch

1.d4 f5 2.g3 g6 3.Bg2 Bg7 4.Nh3

A81

Antoshin-Hort Variation, Dutch

1.d4 f5 2.g3 Nf6 3.Bg2 d6

A81

Ilyin-Genevsky Variation, Dutch

1.d4 f5 2.g3 Nf6 3.Bg2 e6 4.Nf3 Be7 5.O-O O-O 6.c4 d6

A81

Blackburne Variation, Dutch

1.d4 f5 2.g3 Nf6 3.Bg2 e6 4.Nh3

A81

Semi-Leningrad Variation, Dutch

1.d4 f5 2.g3 Nf6 3.Bg2 g6

A82

Staunton Gambit, Dutch; A82

1.d4 f5 2.e4 

A82

Balogh Defense, Dutch

1.d4 f5 2.e4 d6

A82

Staunton Gambit Accepted, Dutch

1.d4 f5 2.e4 fxe4

A82

Tartakower Variation, Dutch

1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4

A82

American Gambit, Dutch

1.d4 f5 2.e4 fxe4 3.Nd2

A83

General Variation, Staunton Gambit, Dutch; A83

1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5

A83

Nimzovich Variation, Dutch

1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 b6

A83

Chigorin Variation, Dutch

1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 c6

A83

Lasker Variation, Dutch

1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 g6 5.f3

A84

Slav Stonewall, Dutch

1.d4 d5 2.c4 e6 3.Nc3 c6 4.e3 f5

A84

Bellon Gambit

1.d4 e6 2.c4 f5 3.e4

A84

A84

1.d4 f5 2.c4

A84

Classical Variation, Dutch

1.d4 f5 2.c4 e6

A84

Bellon Gambit, Dutch

1.d4 f5 2.c4 e6 3.e4

A84

Rubinstein Variation, Dutch

1.d4 f5 2.c4 e6 3.Nc3

A84

Stonewall Variation, Dutch

1.d4 f5 2.c4 e6 3.Nc3 Nf6 4.g3 c6 5.Bg2 d5 6.O-O Bd6

A84

Queen's Knight Variation, Dutch

1.d4 f5 2.c4 Nf6 3.Nc3

A84

Krause Variation, Dutch

1.d4 f5 2.c4 Nf6 3.Nc3 d6 4.Nf3 Nc6

A85

 

1.d4 f5 2.c4 g6 3.Nc3

A85

Bladel Variation, Dutch

1.d4 f5 2.c4 g6 3.Nc3 Nh6

A85

Normal Variation, Dutch

1.d4 f5 2.c4 Nf6

A85

Ozol Variation, Dutch

1.d4 f5 2.c4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bg5

A86

Fianchetto Variation, Dutch; A86

1.d4 f5 2.c4 Nf6 3.g3

A86

Leningrad Variation, Dutch

1.d4 f5 2.c4 Nf6 3.g3 g6

A87

A87

1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3

A87

Fluid Formation, Dutch

1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6

A88

Warsaw Variation, Dutch; A88

1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6

A89

Matulovic Variation, Dutch; A89

1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 Nc6

A90

A90

1.d4 f5 2.c4 Nf6 3.g3 e6

A90

Classical Variation, Dutch

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2

A90

Nimzo-Dutch Variation

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bb4+

A91

A91

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7

A91

Botvinnik-Bronstein Variation, Dutch

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nc3 O-O 6.e3

A91

Blackburne Attack, Dutch

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bg7 5.Nh3

A92

A92

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3

A92

Alekhine Variation, Dutch

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O Ne4

A93

Botvinnik Variation, Dutch; A93

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3

A94

A94

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6

A95

A95

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.Nc3

A96

A96

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6

A97

Ilyin-Zhenevsky Variation, Dutch; A97

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8

A98

A98

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.Qc2

A99

A99

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.b3

B00

Ware Defense

1.e4 a5

B00

Corn Stalks

1.e4 a5

B00

Snagkeouss Defense

1.e4 a5 2.d4 Nc6

B00

St George; Birmingham; Baker

1.e4 a6 

B00

San Jorge Variation

1.e4 a6 2.d4 b5 3.Nf3 Bb7 4.Bd3 d6 5.O-O g6 6.c3 Bg7

B00

Polish Variation, St George Defense

1.e4 a6 2.d4 b5 3.Nf3 Bb7 4.Bd3 e6

B00

Zilbermints Gambit, St George Defense

1.e4 a6 2.d4 e5

B00

San Jorge Variation

1.e4 a6 2.d4 e6

B00

Three Pawn Attack, St George

1.e4 a6 2.d4 e6 3.c4

B00

Sanky-Georg Gambit, St George

1.e4 a6 2.d4 e6 3.c4 b5

B00

Woodchuck Variation, St George

1.e4 a6 2.d4 Nc6

B00

Owen's Defense; Greek Defense

1.e4 b6

B00

Guatemalan Defense

1.e4 b6 2.d4 Ba6

B00

Matovinsky Gambit

1.e4 b6 2.d4 Bb7 3.Bd3 f5

B00

Matovinsky Gambit

1.e4 b6 2.d4 Bb7 3.Bd3 f5 4.exf5 Bxg2 5.Qh5+ g6

B00

Naselwaus Variation, Owen's Defense

1.e4 b6 2.d4 Bb7 3.Bg5

B00

Wind Gambit, Owen Defense

1.e4 b6 2.d4 Bb7 3.f3 e5

B00

Smith Gambit, Owen Defense

1.e4 b6 2.d4 Bb7 3.Nf3

B00

Hekili-Loa Gambit, Owen Defense

1.e4 b6 2.d4 c5 3.dxc5 Nc6

B00

Mao Tse Tung; Duras

1.e4 f5

B00

Fred; From Reversed

1.e4 f5

B00

Tiers Counter-Gambit

1.e4 f5

B00

Barnes Defense

1.e4 f6

B00

Basman Defense; Macho Grob

1.e4 g5

B00

Basman; Macho Grob; Borg

1.e4 g5 

B00

Borg Gambit

1.e4 g5 2.d4 Bg7

B00

Zilbermints Gambit, Borg

1.e4 g5 2.d4 e5

B00

Borg Defense; Troon Gambit

1.e4 g5 2.d4 h6 3.h4 g4

B00

Pickering (Goldsmith) Defense

1.e4 h5

B00

Picklepuss Defense

1.e4 h5 2.d4 Nf6

B00

Carr Defense

1.e4 h6

B00

Zilbermints Gambit, Carr Defense

1.e4 h6 2.d4 e5

B00

Lemming Defense

1.e4 Na6

B00

Nimzovich Defense

1.e4 Nc6

B00

Wheeler Gambit, Nimzovich Defense

1.e4 Nc6 2.b4 Nxb4 3.c3 Nc6 4.d4

B00

Pseudo-Spanish Variation

1.e4 Nc6 2.Bb5

B00

Scandanavian Variation, Nimzovich Defense

1.e4 Nc6 2.d4 d5

B00

Hornung Gambit, Nimzovich Defense

1.e4 Nc6 2.d4 d5 3.Be3

B00

Aachen Gambit, Nimzovich Defense

1.e4 Nc6 2.d4 d5 3.exd5 Nb4

B00

Marshall Gambit, Nimzovich

1.e4 Nc6 2.d4 d5 3.exd5 Qxd5 4.Nc3

B00

Bogoljubow Variation, Nizovich Defense

1.e4 Nc6 2.d4 d5 3.Nc3

B00

Brandics Gambit, Nimzovich Defense

1.e4 Nc6 2.d4 d5 3.Nc3 a6

B00

Richter Gambit, Nimzovich Defense

1.e4 Nc6 2.d4 d5 3.Nc3 dxe4 4.d5 Nb8 5.f3

B00

Nimzovich Gambit, Nimzovich Defense

1.e4 Nc6 2.d4 d5 3.Nc3 dxe4 4.d5 Ne5

B00

Alekseev Variation, Nimzovich; Heinola-Deppe Gambit

1.e4 Nc6 2.d4 d5 3.Nc3 e5

B00

Erben Gambit, Nimzovich Defense

1.e4 Nc6 2.d4 d5 3.Nc3 g6

B00

Vehre Variation, Nimzovich Defense

1.e4 Nc6 2.d4 d5 3.Nc3 Nf6

B00

Mikenas Variation, Nimzovich Defense

1.e4 Nc6 2.d4 d6

B00

Kennedy Variation, Nimzovich

1.e4 Nc6 2.d4 e5

B00

Linksspringer Variation, Nimzovich Defense

1.e4 Nc6 2.d4 e5 3.d5

B00

Bileefelder Gambit, Nimzovich Defense

1.e4 Nc6 2.d4 e5 3.dxe5 Bc5

B00

Burgar Gambit, Nimzovich Defense

1.e4 Nc6 2.d4 e5 3.dxe5 d6

B00

Hammer Gambit, Nimzovich Defense

1.e4 Nc6 2.d4 e5 3.dxe5 f6

B00

Riemann Defense, Nimzovich Defense

1.e4 Nc6 2.d4 e5 3.dxe5 Nxe5 4.f4 Nc6

B00

Keres Attack, Nimzovich Defense

1.e4 Nc6 2.d4 e5 3.dxe5 Nxe5 4.Nc3

B00

Paulsen Attack, Nimzovich Defense

1.e4 Nc6 2.d4 e5 3.dxe5 Nxe5 4.Nf3

B00

Herford Gambit, Nimzovich Defense

1.e4 Nc6 2.d4 e5 3.dxe5 Qh4

B00

French Connection, Nimzovich Defense

1.e4 Nc6 2.d4 e6

B00

Neo-Mongoloid Defense, Nimzovich

1.e4 Nc6 2.d4 f6

B00

Pirc Connection, Nimzovich Defense

1.e4 Nc6 2.d4 g6

B00

Breyer Defense, Nimzovich

1.e4 Nc6 2.Nc3 Nf6

B00

Williams Variation, Nimzovich

1.e4 Nc6 2.Nf3 d6

B00

Franco-Nimzovich Variation

1.e4 Nc6 2.Nf3 e6

B00

Colorado Defense, Nimzovich; Lean Variation

1.e4 Nc6 2.Nf3 f5

B00

Colorado Counter Accepted, Nimzovich Defense

1.e4 Nc6 2.Nf3 f5 3.exf5

B00

El Columpio Defense, Nimzovich Defense

1.e4 Nc6 2.Nf3 Nf6 3.e5 Ng4

B00

Adams Defense

1.e4 Nh6

B00

Wild Bull Defense

1.e4 Nh6

B01

Center Counter; Scandanavian; B01

1.e4 d5

B01

Zilbermints Gambit, Center Counter

1.e4 d5 2.b4

B01

Blackbunre-Kloosterboer Gambit, Center Counter

1.e4 d5 2.exd5 c6 3.dxc6 e5

B01

Atkinson (Kloosterboer) Variation, Center Counter

1.e4 d5 2.exd5 c6 3.dxc6 e5

B01

Blackburne Gambit, Center Counter

1.e4 d5 2.exd5 c6 3.dxc6 Nxc6

B01

Boehnke Gambit, Center Counter

1.e4 d5 2.exd5 e5

B01

Boehnke Gambit Accepted, Center Counter

1.e4 d5 2.exd5 e5 3.dxe6 Bxe6

B01

Marshall Gambit, Scandanavian G; Modern Variation, CC

1.e4 d5 2.exd5 Nf6  

B01

Panov Transfer, Center Counter

1.e4 d5 2.exd5 Nf6 3.c4 c6

B01

Icelandic-Palme Gambit, CC

1.e4 d5 2.exd5 Nf6 3.c4 e6

B01

Portuguese Variation, Center Counter

1.e4 d5 2.exd5 Nf6 3.d4 Bg4

B01

Portuguese Gambit, Center Counter

1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.f3 Bf5 5.Bb5+ Nbd7

B01

Kadas Gambit, Center Counter

1.e4 d5 2.exd5 Nf6 3.d4 c6 4.dxc6 e5

B01

Wing Gambit, Center Counter

1.e4 d5 2.exd5 Nf6 3.d4 g6 4.c4 b5

B01

Marshall Variation, Center Counter

1.e4 d5 2.exd5 Nf6 3.d4 Nxd5

B01

Kiel Variation, Center Counter

1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.c4 Nb4

B01

Tomalty Gambit, Center Counter

1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.c4 Nf6 5.Nc3 c5

B01

Gipslis Variation, Center Counter

1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.Nf3 Bg4

B01

Richter Variation, Center Counter

1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.Nf3 g6

B01

Mieses-Kotroc Variation, Center Counter

1.e4 d5 2.exd5 Qxd5

B01

Leonhardt (Rosen) Gambit, Center Counter

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.b4

B01

Anderssen Variation, Center Counter

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5

B01

Collijn Variation, Center Counter

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5 5.Nf3 Bg4

B01

Mieses Variation, Center Counter

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6

B01

Gruenfeld Variation, Center Counter

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 Bf5 6.Ne5 c6 7.g4

B01

Lasker Variation, Center Counter

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 Bg4 6.h3

B01

Gubinsky-Melts Defense, Center Counter

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6

B01

Schiller-Pytel Variation, Center Counter

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 c6

B01

Bronstein Variation, Center Counter

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 Nf6 5.Nf3 a6

B01

Closed Scandavian

1.e4 d5 2.Nc3

B02

Alekhine's Defense; B02

1.e4 Nf6 

B02

Krejcik Variation, Alekhine

1.e4 Nf6 2.Bc4 

B02

Fried Fox, Alekhine; Krejcik Gambit

1.e4 Nf6 2.Bc4 Nxe4 3.Bxf7+

B02

Maroczy Variation, Alekhine

1.e4 Nf6 2.d3

B02

Welling Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.b3

B02

Kmoch Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.Bc4 Nb6 4.Bb3 c5 5.d3

B02

Hunt Gambit, Alekhine; Two Pawn Attack

1.e4 Nf6 2.e5 Nd5 3.c4

B02

Steiner Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.b3

B02

Lasker Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5

B02

Mikenas Gambit, Alekhine

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Bc4 e6 6.Nc3 d6 7.Nxd5 exd5 8.Bxd5

B02

Matsukevich Gambit, Alekhine

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Nc3 Nxc3 6.dxc3 d6 7.Bg5

B02

Buntin Gambit, Alekhine

1.e4 Nf6 2.e5 Nd5 3.e6

B02

Buckley Attack, Alekhine

1.e4 Nf6 2.e5 Nd5 3.Na3

B02

Saemisch Attack, Alekhine

1.e4 Nf6 2.e5 Nd5 3.Nc3

B02

Mokele Mbembe; Knight's Tour

1.e4 Nf6 2.e5 Ne4

B02

Retreat; Brooklyn Variation, Alekhine

1.e4 Nf6 2.e5 Ng8

B02

Everglades Defense, Alekhine

1.e4 Nf6 2.e5 Ng8 3.d4 f5

B02

Scandanavian Variation, Alekhine

1.e4 Nf6 2.Nc3 d5

B02

Myers Gambit, Alekhine

1.e4 Nf6 2.Nc3 d5 3.d3 dxe4 4.Bg5

B02

Spielmann Variation, Alekhine

1.e4 Nf6 2.Nc3 d5 3.e5 Nfd7 4.e6

B02

Noch Gambit, Alekhine

1.e4 Nf6 2.Nc3 d5 3.exd5

B02

Geschev Gambit, Alekhine

1.e4 Nf6 2.Nc3 d5 3.exd5 c6

B02

John Tracy Gambit, Alekhine

1.e4 Nf6 2.Nf3

B03

B03

1.e4 Nf6 2.e5 Nd5 3.d4

B03

Wall Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 c5

B03

Balogh Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Bc4

B03

Hunt Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.c5

B03

Four Pawns Attack; Chase V

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4

B03

Trifunovic Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 Bf5

B03

Cambridge Gambit, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 g5

B04

B04

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3

B04

Panov Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.h3

B04

Larsen Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 dxe5

B04

Alburt Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6

B04

Keres Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Bc4 Nb6 6.Bb3 Bg7 7.a4

B04

Karpov Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.c4 Nb6 6.h3 Bg7 8.Be2

B04

Schmid Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Nb6

B05

B05

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4

B05

Flohr Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 c6

B05

Alekhine Variation, Alekhine

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.c4

B06

Pirc; Robatsch; Modern; King Pawn Fianchetto; B06

1.e4 g6

B06

Monkey's Bum, Pirc

1.e4 g6 2.Bc4 Bg7 3.Qf3 e6 4.d4

B06

Bishop Attack

1.e4 g6 2.d4 Bg7 3.Bc4

B06

Buecker Gambit

1.e4 g6 2.d4 Bg7 3.Bc4 b5

B06

Westermann Gambit

1.e4 g6 2.d4 Bg7 3.Bd2

B06

Wind Gambit

1.e4 g6 2.d4 Bg7 3.Bd3

B06

Three Pawns Attack

1.e4 g6 2.d4 Bg7 3.f4

B06

Pterodactyl, Pirc

1.e4 g6 2.d4 Bg7 3.Nc3 c5

B06

Gurgenidze Defense, Modern Defense

1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.f4 d5 5.e5 h5

B06

Mittenberger Gambit, Modern Defense

1.e4 g6 2.d4 Bg7 3.Nc3 d5

B06

Anti-Modern

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Bc4 c6 5.Qe2

B06

Pseudo-Austrian Attack

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4

B06

Two Knight Variation, Modern Defense

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3

B06

Suttles Variation, Modern Defense

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3 c6

B06

Mongredien Defense, Pirc

1.e4 g6 2.d4 Bg7 3.Nf3 b6

B06

Geller's System, Modern Defense

1.e4 g6 2.d4 Bg7 3.Nf3 d6 3.c3

B06

Rossolimo Variation, Modern Defense

1.e4 g6 2.d4 Bg7 3.Nf3 d6 3.c4 Bg4

B06

Accelerated Gurgenidze

1.e4 g6 2.d4 Bg7 3.Nf3 d6 3.Nc3 c6

B06

Small Center Variation, Pirc

1.e4 g6 2.d4 Bg7 3.Nf3 d6 3.Nc3 e6

B06

Fianchetto Gambit, Modern Defense

1.e4 g6 2.d4 f5

B06

Norwegian Defense

1.e4 g6 2.d4 Nf6

B06

Masur Gambit

1.e4 g6 2.d4 Nh6 3.Nc3 f5 4.Bxh6 Bxh6 5.exf5 O-O

B07

B07

1.e4 d6

B07

Maroczy Defense, Pirc

1.e4 d6 2.d4 e5

B07

Philidor Gambit, Pirc

1.e4 d6 2.d4 e5 3.dxe5 Bd7

B07

Small Center Defense

1.e4 d6 2.d4 e6

B07

Balogh Defense, Pirc

1.e4 d6 2.d4 f5

B07

Pirc Defense

1.e4 d6 2.d4 Nf6

B07

Lion's Jaw, Pirc

1.e4 d6 2.d4 Nf6 3.f3

B07

Czech Defense

1.e4 d6 2.d4 Nf6 3.Nc3 c6

B07

Pirc; Ufimtsev; Antal Defense

1.e4 d6 2.d4 Nf6 3.Nc3 g6

B07

Kholmov System, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bc4

B07

Classical System, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2

B07

Chinese Variation, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.g4

B07

Bayonet Attack, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.h4

B07

Sveshnikov-Jansa Attack, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.h3

B07

150 Attack

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.Qd2

B07

Panov; Opatijav; Byrne Variation, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bg5

B07

Anti-Philidor

1.e4 d6 2.d4 Nf6 3.Nc3 Nbd7 4.f4

B07

Roscher Gambit, Pirc

1.e4 d6 2.d4 Nf6 3.Nf3

B08

B08

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3

B08

Two Knights System, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 

B08

Quiet System, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2

B08

Parma Defense, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Bg4

B08

Czech Defense, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O c6

B08

Chigorin Line, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Nc6

B08

Schlechter Variation, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.h3

B09

Austrian Attack, Pirc; B09

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4

B09

Ljubojevic Variation, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Bc4

B09

Austrian; Yugoslav Defense, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3

B09

Dragon Formation, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5

B09

Weiss Variation, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3

B09

Kurajica Variation, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Be3

B09

Unzicker Attack, Pirc

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.e5

B10

Caro-Kann Defense; B10

1.e4 c6 

B10

Hillbilly Attack, Caro-Kann

1.e4 c6 2.Bc4

B10

Modern; English Variation, Accelerated Panov; Caro-Kann

1.e4 c6 2.c4

B10

Breyer Variation, Caro-Kann

1.e4 c6 2.d3

B10

Stein Attack, Caro-Kann

1.e4 c6 2.d3 d5 3.Nd2 g6 4.g3 Bg7 5.Bg2 e5 6.Ngf3 Ne7 7.O-O O-O 8.b4

B10

Massachussets Defense, Caro-Kann

1.e4 c6 2.d4 f5

B10

Masi Variation, Caro-Kann

1.e4 c6 2.d4 Nf6

B10

Scorpion-Horus Gambit, Caro-Kann

1.e4 c6 2.Nc3 d5 3.d3 dxe4 4.Bg5

B10

Goldman Variation, Caro

1.e4 c6 2.Nc3 d5 3.Qf3

B10

Two Knights Variation, Caro

1.e4 c6 2.Nf3 d5 3.Nc3

B11

B11

1.e4 c6 2.Nc3

B11

Two Knights Attack, Caro Kann

1.e4 c6 2.Nc3 d5 3.Nf3

B11

Mindeno Variation, Caro-Kann

1.e4 c6 2.Nc3 d5 3.Nf3 Bg4

B11

Retreat Line, Mindeno Variation, Caro-Kann

1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 4.h3 Bh5

B12

B12

1.e4 c6 2.d4

B12

Landau Gambit, Caro-Kann

1.e4 c6 2.d4 d5 3.Bd3 Nf6 4.e5 Nfd7 6.e6

B12

Mieses Gambit, Caro

1.e4 c6 2.d4 d5 3.Be3

B12

Diemer-Duhm Gambit, Caro

1.e4 c6 2.d4 d5 3.c4

B12

Advance Variation, Caro

1.e4 c6 2.d4 d5 3.e5 

B12

Prins Attack, Caro-Kann

1.e4 c6 2.d4 d5 3.e5 Bf5 4.b4

B12

Bayonet Variation, Caro

1.e4 c6 2.d4 d5 3.e5 Bf5 4.g4

B12

Tal Variation, Caro-Kann

1.e4 c6 2.d4 d5 3.e5 Bf5 4.h4

B12

Van der Wiel Attack, Caro-Kann

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nc3

B12

Dreyev Defense, Caro-Kann

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nc3 Qb6

B12

Bronstein Variation, Caro-Kann

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Ne2

B12

Short Variation, Caro-Kann

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nf3

B12

Botvinnik-Carls Defense, Caro-Kann

1.e4 c6 2.d4 d5 3.e5 c5

B12

Maroczy Variation, Caro

1.e4 c6 2.d4 d5 3.f3

B12

Fantasy; Lilienfisch Variation, Caro

1.e4 c6 2.d4 d5 3.f3

B12

Maroczy Gambit, Caro-Kann

1.e4 c6 2.d4 d5 3.f3 dxe4 4.fxe4 e5 5.Nf3 exd4 6.Bc4

B12

Modern Variation, Caro-Kann

1.e4 c6 2.d4 d5 3.Nd2

B12

New Caro-Kann

1.e4 c6 2.d4 d5 3.Nd2 g6

B12

Edinburgh Variation, Caro

1.e4 c6 2.d4 d5 3.Nd2 Qb6

B12

Ulysses Gambit, Caro

1.e4 c6 2.d4 d5 3.Nf3 dxe4 4.Ng5

B12

De Bruycker Defense, Caro

1.e4 c6 2.d4 Na6

B12

Hector Gambit, Caro

1.e4 c6 2.Nc3 d5 3.Nf3 dxe4 4.Ng5

B13

Exchange Variation, Caro; B13

1.e4 c6 2.d4 d5 3.exd5

B13

Rubinstein Variation, Caro-Kann

1.e4 c6 2.d4 d5 3.exd5 cxd3 4.Bd3 Nc6 5.c3 Nf6 6.Bf4

B13

Panov-Botvinnik; Gunderam Attack

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4

B14

B14

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3

B14

Carlsbad Line, Caro-Kann

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 e6

B14

Czerniak Line, Caro-Kann

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 Qa5

B14

Reifir-Spielmann Line, Caro-Kann

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 Qb6

B15

B15

1.e4 c6 2.d4 d5 3.Nc3

B15

Gurgenidze Variation, Caro

1.e4 c6 2.d4 d5 3.Nc3 b5

B15

Von Hennig Gambit, Caro

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Bc4

B15

Milner-Barry Gambit, Caro; Rasa-Studier Gambit

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.f3

B15

Knight Variation, Caro

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6

B15

Tarrasch (Alekhine) Gambit, Caro

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Bd3

B15

Tartakower Variation, Caro

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6

B15

Forgacs Variation, Caro Kann

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 6.Bc4

B15

Gurgenidze System, Caro-Kann

1.e4 c6 2.d4 d5 3.Nc3 g6

B15

Gurgenidze Variation, Caro

1.e4 c6 2.d4 d5 3.Nc3 g6 4.e5 Bg7 5.f4 h5

B15

Campomanes Attack, Caro

1.e4 c6 2.d4 d5 3.Nc3 Nf6

B16

Finnish Variation, Caro-Kann

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 h6

B16

Nimzovich; Bronstein-Larsen, Caro; B16

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6

B17

Karpov Variation, Caro-Kann; B17

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7

B17

Smyslov Variation, Caro-Kann

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Bc4 Ngf6 6.Ng5 e6 7.Qe2 Nb6

B17

Tiviakov-Fischer Attack, Caro-Kann

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Bc4 Ngf6 6.Nxf6+ Nxf6

B17

Kasparov Attack, Caro-Kann

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Ng3

B17

Ivanchuk Defense, Caro Kann

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Ng5 Ndf6

B18

Classical Variation, Caro; B18

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5

B18

Flohr Variation, Caro-Kann

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nh3

B19

B19

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3

B19

Seirawan Variation, Caro-Kann

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.e5 Bh7 9.Bd3 Bxd3 10.Qxd3

B20

Sicilian Defense; B20

1.e4 c5

B20

Mengarini Gambit, Sicilian

1.e4 c5 2.a3 

B20

Mengarini Gambit, Sicilian

1.e4 c5 2.a3 Nc6 3.b4

B20

Snyder Variation, Sicilian

1.e4 c5 2.b3

B20

Queen Fianchetto Variation, Sicilian

1.e4 c5 2.b3 b6

B20

Wing Gambit, Sicilian

1.e4 c5 2.b4

B20

Marshall Variation, Sicilian

1.e4 c5 2.b4 cxb4 3.a3 

B20

Wing; Carlsbad Variation, Sicilian

1.e4 c5 2.b4 cxb4 3.a3 bxa3

B20

Marienbad Variation, Sicilian

1.e4 c5 2.b4 cxb4 3.a3 d5 4.exd5 Qxd5 5.Bb2

B20

Abrahams Variation, Sicilian Wing Gambit

1.e4 c5 2.b4 cxb4 3.Bb2

B20

Santasiere Wing Gambit, Sicilian

1.e4 c5 2.b4 cxb4 3.c4

B20

Bowlder Attack, Sicilian

1.e4 c5 2.Bc4

B20

Slow Sicilian

1.e4 c5 2.Be2

B20

Staunton-Cochrane Variation, Sicilian

1.e4 c5 2.c4 

B20

Gloria Variation, Sicilian

1.e4 c5 2.c4 d6 3.Nc3 Nc6 4.g3 h5

B20

Chameleon Variation, Sicilian

1.e4 c5 2.d3

B20

Big Clamp Variation, Sicilian

1.e4 c5 2.d3 Nc6 3.c3 d6 4.f4

B20

Sicilian Center Game

1.e4 c5 2.d4 cxd4

B20

Smith-Morra; Fleissig Gambit, Sic

1.e4 c5 2.d4 cxd4 3.c3

B20

Rivadavia Gambit, Sicilian

1.e4 c5 2.d4 cxd4 3.c3

B20

Push Variation, Smith-Morra Gambit, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 d3

B20

Dubois Variation, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 d3 4.c4

B20

Scandanavian Formation, Smith-Morra, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 d5

B20

Smith-Morra Accepted, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 dxc3

B20

Chicago Defense, Smith-Morra Accepted, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 d6 5.Bc4 e6 6.Nf3 Nf6 7.O-O a6

B20

Taimanov Formation, Smith-Morra Accepted, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Bc4 a6 6.Nf3 Ne7

B20

Kan Formation, Smith-Morra Accepted, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Nf3 a6

B20

Fianchetto Defense, Smith-Morra Accepted, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Nf3 g6

B20

Classical Formation, Smith-Morra Accepted, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 a6 7.O-O Nf6

B20

Scheveningen Formation, Smith-Morra Accepted

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 e6

B20

Paulsen Formation, Smith-Morra Accepted, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6

B20

Morphy Defense Deferred, Smith-Morra Accepted

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6 7.O-O b5 8.Bb3 Bc5

B20

Larsen Defense, Smith-Morra Accepted, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6 7.O-O Qc7 8.Qe2 Bd6

B20

Pin Defense, Smith-Morra Accepted, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Bb4

B20

Morphy Defense, Smith-Morra Accepted, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Bc5

B20

Sozin Formation, Smith-Morra Accepted, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 d6 7.O-O a6 8.Qe2 b5

B20

Center Formation, Smith-Morra Declined, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 e5

B20

Alapin Formation, Smith-Morra Declined, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 Nf6

B20

Wing Formation, Smith-Morra Declined, Sicilian

1.e4 c5 2.d4 cxd4 3.c3 Qa5

B20

Halasz Gambit, Sicilian

1.e4 c5 2.d4 cxd4 3.f4

B20

Morphy Gambit, Sicilian

1.e4 c5 2.d4 cxd4 3.Nf3

B20

Andreaschek Gambit, Sicilian

1.e4 c5 2.d4 cxd4 3.Nf3 e5 4.c3

B20

Steinitz; Tartakower, Lasker-Dunne Variation, Sicilian

1.e4 c5 2.g3

B20

Myers Attack, Sicilian

1.e4 c5 2.h4

B20

King David's Opening

1.e4 c5 2.Ke2

B20

Keres; Billium Attack, Sicilian; Chameleon

1.e4 c5 2.Ne2

B20

Brick Variation, Sicilian

1.e4 c5 2.Nh3

B21

Larsen-Santasiere (McDonnell Attack) Variation, Sicilian; B21

1.e4 c5 2.f4

B21

Tal Gambit, Sicilian

1.e4 c5 2.f4 d5 3.exd5 Nf6

B22

Alapin; Sveshnikov Var, Sicilian; B22

1.e4 c5 2.c3

B22

Barmen Defense, Sicilian

1.e4 c5 2.c3 d5 3.exd5 Qxd5

B22

Sherzer Variation, Sicilian

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 e6 5.Nf3 Nc6

B22

Stoltz Attack, Sicilian

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3 Nc6 5.Bc4 Nb6 6.Bb3

B23

Closed; Chigorin Variation, Sicilian; B23

1.e4 c5 2.Nc3

B23

Grand Prix Variation, Sicilian

1.e4 c5 2.Nc3 d6 3.f4

B23

Marshall Gambit, Sicilian

1.e4 c5 2.Nc3 e6 3.d4 d5

B23

Korchnoi Defense, Sicilian

1.e4 c5 2.Nc3 e6 3.g3 d5

B23

Traditional Closed Sicilian

1.e4 c5 2.Nc3 Nc6

B23

Portland Attack, Sicilian

1.e4 c5 2.Nc3 Nc6 3.d3 g6 4.g4

B23

Vinken System, Sicilian; Grand Prix Attack

1.e4 c5 2.Nc3 Nc6 3.f4

B23

Schofman Variation, Sicilian

1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bc4 e6 6.f5

B23

Chameleon Sicilian

1.e4 c5 2.Nc3 Nc6 3.Nge2

B24

Fianchetto Variation, Sicilian Closed; B24

1.e4 c5 2.Nc3 Nc6 3.g3

B25

B25

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6

B25

Botvinnik Defense, Sicilian Closed

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e5

B25

Edge Variation, Sicilian Closed

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e5 7.Nh3 Nge7

B26

B26

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3

B27

B27

1.e4 c5 2.Nf3

B27

Polish Gambit, Sicilian

1.e4 c5 2.Nf3 b5

B27

Katalimov Variation, Sicilian

1.e4 c5 2.Nf3 b6

B27

Jalalabad Variation, Sicilian

1.e4 c5 2.Nf3 e5

B27

Brussels Gambit, Sicilian

1.e4 c5 2.Nf3 f5

B27

Double-Dutch Gambit, Sicilian

1.e4 c5 2.Nf3 f5 3.exf5 Nh6

B27

Hyperaccelerated Dragon, Sicilian

1.e4 c5 2.Nf3 g6

B27

Action Extension, Sicilian

1.e4 c5 2.Nf3 g6 3.c4 Bh6

B27

Hyperaccelerated Pterodactyl, Sic

1.e4 c5 2.Nf3 g6 3.d4 Bg7

B27

Frederico Variation, Sicilian

1.e4 c5 2.Nf3 g6 3.d4 f5

B27

Sicilian Fred

1.e4 c5 2.Nf3 g6 3.d4 f5

B27

Buecker Variation, Sicilian

1.e4 c5 2.Nf3 h6

B27

Mongoose Variation, Sicilian

1.e4 c5 2.Nf3 Qa5

B27

Althouse; Stiletto Variation, Sicilian

1.e4 c5 2.Nf3 Qa5

B27

Accelerated Paulsen, Sicilian

1.e4 c5 2.Nf3 Qc7

B27

Quinteros Variation, Sicilian

1.e4 c5 2.Nf3 Qc7

B28

O'Kelly Variation, Sicilian; B28

1.e4 c5 2.Nf3 a6

B28

Kieseritzky System, Sicilian

1.e4 c5 2.Nf3 a6 3.b3

B28

Wing Gambit, Sicilian

1.e4 c5 2.Nf3 a6 3.b4

B28

Aronin System, Sicilian

1.e4 c5 2.Nf3 a6 3.Be2

B28

Venice System, Sicilian

1.e4 c5 2.Nf3 a6 3.c3

B28

Ljubojevic Line, Sicilian

1.e4 c5 2.Nf3 a6 3.c3 b5

B28

Gambit Line, O'Kelly Sicilian

1.e4 c5 2.Nf3 a6 3.c3 d5 4.exd5 Nf6

B28

Steiner Line, Sicilian

1.e4 c5 2.Nf3 a6 3.c3 d6

B28

Barcza Line, Sicilian

1.e4 c5 2.Nf3 a6 3.c3 Nf6

B28

Maroczy Bind, O'Kelly Sicilian

1.e4 c5 2.Nf3 a6 3.c4

B28

Robatsch Line, Sicilian

1.e4 c5 2.Nf3 a6 3.c4 d6

B28

Paulsen Line, Sicilian

1.e4 c5 2.Nf3 a6 3.c4 e6

B28

Geller Line, Sicilian

1.e4 c5 2.Nf3 a6 3.c4 Nc6 4.d4 cxd4 5.Nxd4 e5

B28

Quiet System, O'Kelly Sicilian

1.e4 c5 2.Nf3 a6 3.d3

B28

Normal System, O'Kelly Sicilian

1.e4 c5 2.Nf3 a6 3.d4

B28

Cortlever Gambit, Sicilian

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Bc4

B28

Smith-Morra Line, O'Kelly Sicilian

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.c3

B28

Taimanov Line, O'Kelly Sicilian

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Nxd4 e5

B28

Kan Line, O'Kelly Sicilian

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Nxd4 e6

B28

Zagorovsky Line, O'Kelly Sicilian

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Qxd4

B28

Reti System, O'Kelly Sicilian

1.e4 c5 2.Nf3 a6 3.g3

B28

Yerevan System, O'Kelly Sicilian

1.e4 c5 2.Nf3 a6 3.Nc3

B29

Nimzovich; Rubinstein Var, Sicilian; B29

1.e4 c5 2.Nf3 Nf6

B29

Advance Variation, Sicilian

1.e4 c5 2.Nf3 Nf6 3.e5

B30

Old Sicilian

1.e4 c5 2.Nf3 Nc6

B30

Rossolimo (Nezmetdinov) Variation, Sicilian; B30

1.e4 c5 2.Nf3 Nc6 3.Bb5

B31

B31

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6

B31

Gufeld Gambit, Sicilian

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 e5 6.d4

B31

Lutikov Gambit, Sicilian

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 Nf6 6.d4

B31

Gurgenidze Variation, Sicilian

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.b4

B31

San Francisco Gambit, Sicilian

1.e4 c5 2.Nf3 Nc6 3.Bb5 Na5 4.b4

B32

B32

1.e4 c5 2.Nf3 Nc6 3.d4

B32

Nimzovich Variation, Sicilian; Nimzo-American Variation

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 d5

B32

Bourdonnais; Lowenthal Var, Sic

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5

B32

Kalashnikov Variation, Sicilian

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6

B32

Retreat Variation, Sicilian

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nf3

B32

Godiva Variation, Sicilian

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qb6

B32

Flohr Variation, Sicilian

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7

B33

B33

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6

B33

Four Knights Variation, Sicilian

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3

B33

Lasker-Pelikan Variation, Sicilian

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5

B33

Pelikan Variation, Sicilian

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6

B33

Chelyabinsk Variation, Sicilian

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 b5

B33

Sveshnikov Variation, Sicilian

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 b5 9.Bxf6 gxf6 10.Nd5 f5

B33

Bird Variation, Siclian

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 Be6

B34

Accelerated Dragon; Fianchetto Var; B34

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6

B35

B35

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4

B36

Maroczy Bind, Sicilian; B36

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4

B36

Gurgenidze Variation, Sicilian

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Nf6 6.Nc3 Nxd4 7.Qxd4 d6

B37

B37

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7

B38

B38

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3

B39

Breyer Variation, Sicilian; B39

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 Ng4

B40

French Variation, Sicilian; B40

1.e4 c5 2.Nf3 e6

B40

Wing Gambit Deferred, Sicilian

1.e4 c5 2.Nf3 e6 3.b4

B40

Kramnik Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.c4

B40

Gaw-Paw Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Qb6

B40

Kveinis Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Qb6

B41

B41

1.e4 c5 2.Nf3 e6 3.d4

B41

Accelerated Wimpy Variation, Sic

1.e4 c5 2.Nf3 e6 3.d4 cxd4

B41

Paulsen; Kan Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6

B41

Reti Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4

B41

Hedgehog Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 g6

B41

Bronstein Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Bb4 7.Bd3 Nc6

B41

Anderssen; Counterattack Var, Sic

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6

B41

Pin Variation; Sicilian CounterAttack

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4

B41

Jaffe Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.Bd3 e5

B41

Koch Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.e5

B41

Marshall Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 d5

B42

B42

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3

B42

Polugaevsky Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5

B42

Swiss Cheese Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 g6

B43

B43

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3

B44

Taimanov; Bastrikov, Paulsen Variation, Sicilian; B44

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6

B44

Szen Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5

B44

Gary Gambit, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 Nf6 7.N1c3 a6 8.Na3 d5

B45

B45

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3

B45

Paulsen Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Ndb5 Bb4

B45

American Attack, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Ndb5 Bb4 7.Nd6+

B45

Four Knights Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6

B45

Cobra Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Ndb5 Bc5

B46

B46

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6

B46

Taimanov Variation, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.Be2 Nge7

B47

Bastrikov Variation, Sicilian; B47

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7

B47

Ponomariov Gambit, Sicilian

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Ndb5 Qb8 7.Be3 a6 8.Bb6

B48

B48

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3

B49

B49

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2

B50

Modern Variation, Sicilian; B50

1.e4 c5 2.Nf3 d6

B50

Kopec System, Sicilian

1.e4 c5 2.Nf3 d6 3.Bd3

B50

Delayed Alapin, Sicilian

1.e4 c5 2.Nf3 d6 3.c3

B50

Basman-Palatnik Gambit

1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.Be2 Nc6 5.d4 cxd4 6.cxd4 Nxe4

B50

Kotov Gambit, Sicilian

1.e4 c5 2.Nf3 d6 3.g3 b5

B51

Wing Gambit Deferred, Sicilian

1.e4 c5 2.Nf3 d6 3.b4

B51

Moscow Variation, Sicilian; Canal Attack; B51

1.e4 c5 2.Nf3 d6 3.Bb5+

B51

Moscow Gambit, Sicilian

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.c3 a6 6.Bxc6 Bxc6 7.Re1 Nf6 8.d4 Bxe4 9.Bg5

B51

Dorfman Gambit, Sicilian

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.Qe2 g6 6.e5

B52

Main Line, Canal Attack, Sicilian; B52

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 

B52

Bronstein (Haag) Gambit, Sicilian

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3 Nf6 7.d4

B53

B53

1.e4 c5 2.Nf3 d6 3.d4

B53

Tartakower Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.c3

B53

Chekhover Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4

B53

Zaitsev Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7

B53

Lazy Knight Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 Nd7

B53

Cortlever Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.dxc5 Nxe4 5.cxd6

B54

B54

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4

B55

B55

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6

B55

Ginsberg Gambit, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Bc4

B55

Moscow (Prins) Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3

B55

Venice Attack, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 e5 6.Bb5+

B56

B56

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3

B56

Kupreichik Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bd7

B56

Venice Attack, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Bb5+

B56

Classical Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6

B56

Yates Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bd3

B56

Spielmann Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Nde2

B57

Sozin; Velimirovic Attack, Sicilian; B57

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4

B57

Anti-Sozin Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Qb6

B58

B58

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2

B58

Boleslavsky Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5

B58

Louma Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nxc6

B58

Fianchetto Variation, Richter-Rauzer Sicilizn

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.g3

B59

B59

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nb3

B60

Richter-Rauzer Variation, Sicilian; B60

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5

B60

Dragon Variation, Richter-Rauzer Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 g6

B61

B61

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Qd2

B62

B62

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6

B62

Margate (Vitolins) Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Bb5

B62

Podebrady Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Nb3

B62

Exchange Variation, Richter-Rauzer Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Nxc6

B63

Rauzer Variation, Sicilian; B63

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2

B63

Ivanov Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Qb6

B64

B64

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4

B65

B65

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 Nxd4 10.Qxd4

B66

B66

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6

B67

B67

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7

B68

B68

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 9.f4 Be7

B69

B69

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 9.f4 Be7 10.Nf3 b5 11.Bxf6

B70

Dragon Variation, Sicilian; B70

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6

B70

Alekhine Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O O-O 8.Nb3

B70

Fianchetto Variation, Sicilian Dragon

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.g3

B71

Levenfish Variation, Sicilian; B71

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4

B72

B72

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3

B72

Nottingham Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.Nb3

B72

Amsterdam (Battery) Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.Qd2

B72

Grigoriev Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.Qd2 O-O 9.O-O-O

B73

B73

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O

B73

Zollner Gambit, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.f4 Qb6

B74

B74

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.Nb3

B74

Alekhine Line, Sicilian Dragon

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.Nb3 a5

B74

Maroczy Line, Sicilian Dragon

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.Nb3 Be6 10.f4 Na5

B74

Tartakower Line, Sicilian Dragon

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.Nb3 Be6 10.f4 Qc8

B75

B75

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3

B76

Yugoslav Attack, Sicilian Dragon; B76

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O

B76

Panov Variation, Sicilian Dragon

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.g4

B77

B77

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4

B77

Sosonko Variation, Sicilian Dragon

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Nd7

B77

Czerniak Variation, Sicilian Dragon

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Nxd4 10.Bxe4

B78

B78

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O

B79

B79

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Qa5

B80

Scheveingen Variation, Sicilian; B80

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6

B80

Vitolins Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bb5+

B80

English Attack, Scheveningen Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.f3

B80

Fianchetto Variation, Scheveningen Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g3

B81

Delayed Keres Attack, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.g4

B81

Perenyi Gambit, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.g4 e5 8.Nf5 g6 9.g5

B81

Keres; Panov Variation, Sicilian; B81

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4

B82

Matanovic Attack, Sicilian; B82

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4

B82

Tal Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4 Nc6 7.Be3 Be7 8.Qf3

B83

Scheveningen Variation, Sicilian; B83

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 

B84

Modern Paulsen, Sicilian; B84

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6

B85

B85

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Be7

B85

Paulsen Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6

B86

Fischer Attack, Sozin Attack, Sicilian; B86

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4

B87

Flank Variation, Sicilian; B87

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 a6 7.Bb3 b5

B88

Leonhardt Variation, Sicilian; B88

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6

B89

B89

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3 

B89

Sherbakov Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3 Be7 8.Bb3 O-O 9.O-O Na5 10.f4 b6

B89

Velimirovic Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3 Be7 8.Qe2

B90

Najdorf Variation, Sicilian; B90

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6

B90

Lipnitzky Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4

B90

Byrne Variation, Sicilian; English Attack

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3

B90

Anti-English, Najdorf Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 Ng4

B90

Adams Attack, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.h3

B90

Freak Attack, Siicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Rg1

B91

Zagreb Variation, Sicilian; B91

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3

B92

Opocensky Variation, Sicilian; B92

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2

B92

Opocensky Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5

B93

Amsterdam Variation, Sicilian; B93

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4

B94

B94

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5

B95

B95

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6

B96

B96

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4

B96

Polugaevsky; Accelerated Najdorf

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5

B96

Simagin Line, Najdorf Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 8.e5 dxe5 9.fxe5 Qc7 10.Qe2

B97

Poisoned Pawn Variation, Najdorf Sicilian; B97

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6

B97

Poisoned Pawn Variation, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2

B97

Poisoned Pawn Accepted, Najdorf Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2

B98

B98

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7

B98

Argenitne; Goteborg Var, Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 h6 9.Bh4 g5

B98

Browne Variation, Najdorf Sicilian

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 h6 9.Bh4 Qc7

B99

B99

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

C00

Franco-Sicilian Defense

1.d4 e6 2.c4 c5 

C00

French Defense; C00

1.e4 e6

C00

Reti (Horwitz) Variation, French

1.e4 e6 2.b3

C00

Papa-Ticulat Gambit, French

1.e4 e6 2.b3 d5 3.Bb2

C00

Banzai-Leong Gambit, French

1.e4 e6 2.b4

C00

Pinova Gambit

1.e4 e6 2.b4 Bxb4 3.e5

C00

Bird Invitation, French

1.e4 e6 2.Bb5

C00

Orthoschapp Variation, French

1.e4 e6 2.c4 d5 3.cxd5 exd5 4.Qb3

C00

King"s Indian Attack

1.e4 e6 2.d3 

C00

Reversed Philidor, French

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Nc6 5.Be2

C00

Franco-Hiva Gambit, French

1.e4 e6 2.d3 f5

C00

Alapin; Witaker Gambit, French

1.e4 e6 2.d4 d5 3.Be3

C00

Alapin-Diemer Gambit, French

1.e4 e6 2.d4 d5 3.Be3 dxe4 4.f3

C00

Diemer-Duhm Gambit, French

1.e4 e6 2.d4 d5 3.c4

C00

Steinitz Attack, French

1.e4 e6 2.e5

C00

Bourdonnais (La Bourdonnais) Variation, French

1.e4 e6 2.f4 

C00

Reuter Gambit, French

1.e4 e6 2.f4 d5 3.Nf3 dxe4 4.Ng5

C00

Reti-Spielmann Attack, French

1.e4 e6 2.g3

C00

Queen's Knight, French

1.e4 e6 2.Nc3

C00

Pelikan Variation, French

1.e4 e6 2.Nc3 d5 3.f4

C00

Two Knight Variation, French

1.e4 e6 2.Nc3 d5 3.Nf3

C00

Knight Variation, French

1.e4 e6 2.Nf3

C00

Wing Gambit, French

1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4

C00

Two Knights Variation, French

1.e4 e6 2.Nf3 d5 3.Nc3

C00

Chigorin Variation, French

1.e4 e6 2.Qe2

C01

C01

1.e4 e6 2.d4

C01

Baeuerle Gambit, French

1.e4 e6 2.d4 b5

C01

Schlechter Variation, French

1.e4 e6 2.d4 d5 3.Bd3

C01

Exchange Variation, French

1.e4 e6 2.d4 d5 3.exd5 exd5

C01

Monte Carlo Variation, French

1.e4 e6 2.d4 d5 3.exd5 exd5 4.c4

C01

Svenius Variation, French

1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5

C01

Canal Attack, French

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.exd5 exd5 5.Bd3 Ne7 6.Qh5

C01

Perseus Gambit, French

1.e4 e6 2.d4 d5 3.Nf3

C01

Carlson Gambit, French

1.e4 e6 2.d4 d5 3.Nf3 dxe4 4.Ne5

C01

Morphy Gambit, French

1.e4 e6 2.d4 d5 3.Nh3

C01

Hoffman Gambit

1.e4 e6 2.d4 d5 3.Qe2 e5 4.f4 exf4

C01

Franco-Hiva Gambit I, French

1.e4 e6 2.d4 f5

C01

Mediterranean Defense, French

1.e4 e6 2.d4 Nf6

C02

Advance Variation, French; C02

1.e4 e6 2.d4 d5 3.e5

C02

Extended Bishop Swap, French

1.e4 e6 2.d4 d5 3.e5 Bd7

C02

Advance; Nimzovich; Steinitz Var, Fr

1.e4 e6 2.d4 d5 3.e5 Bd7

C02

Frenkel Gambit, French

1.e4 e6 2.d4 d5 3.e5 c5 4.b4

C02

Paulsen Attack, French

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3

C02

Euwe Variation, French

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Bd7

C02

Lputian Variation, French

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 Nh6

C02

Milner-Barry Gambit, French

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3

C02

Milner-Barry Gambit, French

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 cxd3 7.cxd3 Bd7 8.O-O Nxd4 9.Nxd4

C02

Wade Variation, French

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Bd7

C02

Nimzovich Variation, French

1.e4 e6 2.d4 d5 3.e5 c5 4.Nf3

C02

Ruisdonk Gambit, French

1.e4 e6 2.d4 d5 3.e5 c5 4.Nf3 cxd4 5.Bd3

C02

Nimzovich Attack, French

1.e4 e6 2.d4 d5 3.e5 c5 4.Qg4

C03

Tarrasch Variation, French; C03

1.e4 e6 2.d4 d5 3.Nd2

C03

Morozevich Variation, French

1.e4 e6 2.d4 d5 3.Nd2 Be7

C03

Haberditz Variation, French

1.e4 e6 2.d4 d5 3.Nd2 f5

C04

C04

1.e4 e6 2.d4 d5 3.Nd2 Nc6

C04

Guimard Variation, French

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nfd7

C04

Leningrad Variation, French

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nfd7 5.f4 c5 6.c3 Nc6 7.Ndf3 cxd4 8.cxd4

C05

C05

1.e4 e6 2.d4 d5 3.Nd2 Nf6

C06

Botvinnik Variation, French

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.e4 Nfd7 5.Bd3 c5 6.c3 b6

C06

C06

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3

C07

Open System Tarrasch French; C07

1.e4 e6 2.d4 d5 3.Nd2 c5

C07

Shaposhnikov Gambit, French

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Nf6

C07

Chistiakov Defense, French

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5

C08

C08

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5

C09

C09

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6

C10

Normal Variation, French; C10

1.e4 e6 2.d4 d5 3.Nc3

C10

Marshall Variation, French

1.e4 e6 2.d4 d5 3.Nc3 c5

C10

Rubinstein Variation, French

1.e4 e6 2.d4 d5 3.Nc3 dxe4

C10

Fort Knox Variation, French

1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Bd7 5.Nf3 Bc6

C10

Rasa-Studier Gambit, French

1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Be3

C10

Ellis Gambit, French

1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 e5

C10

Blackburne Defense, French

1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7

C10

Capablanca Line, French

1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Ne5

C10

Frere; Becker; Katilimov, Maric Var, French

1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Qd5

C10

Svenonius Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.exd5

C11

Classical Variation, French; C11

1.e4 e6 2.d4 d5 3.Nc3 Nf6

C11

Swiss Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bd3

C11

Henneberger Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Be3

C11

Burn Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4

C11

Steinitz Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5

C11

Bradford Attack, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Bxc5 7.Qg4

C11

Brodsky-Jones Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Nc6 7.a3 Bxc5 8.Qg4 O-O 9.Nf3 f6

C11

Boleslavsky Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3

C11

Gledhill Attack, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.Qg4

C12

C12

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5

C12

McCutcheon Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4

C12

Olland (Dutch) Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bc1

C12

Lasker Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3

C12

Duras Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 Kf8 9.Bc1

C12

Tartakower Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Nfd7

C12

Janowski Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Be3

C12

Bernstein Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bh4

C12

Chigorin Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.exf6

C12

Grigoriev Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.exf6 hxg5 7.fxg7 Rg8 8.h4 gxh4 9.Qg4

C12

Wolf Gambit, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.Nge2

C13

Vistaneckis (Nimzovich) Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8

C13

Frankfurt Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8 6.Be3 b6

C13

C13

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4

C14

C14

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7

C14

Anderssen (Richter) Attack, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6

C14

Tartakower Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ne4

C14

Classical Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7

C14

Tarrasch Variation, French

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Bd3