Chess Openings

 

 

 

A

 

• White first moves other than 1.e4, 1.d4 (A00–A39)
• 1.d4 without 1...d5 or 1...Nf6: Atypical replies to 1.d4 (A40–A44)
• 1.d4 Nf6 without 2.c4: Atypical replies to 1...Nf6 (A45–A49)
• 1.d4 Nf6 2.c4 without 2...e6 or 2...g6: Atypical Indian systems (A50–A79)
• 1.d4 f5: Dutch Defence (A80–A99)

 

A00–A39

 

White first moves other than 1.e4, 1.d4:

 

• A00 Irregular Openings

 

·         Anderssen's Opening: 1.a3

 

·         Anderssen's Opening, Polish Gambit: 1...a5 2.b4

 

·         Bugayev Attack 2...e5

 

·         Anderssen's Opening, Creepy Crawly Formation: 1...e5 2.h3 d5

 

·         Anderssen's Opening, Andersspike: 1...g6 2.g4

 

·         Ware Opening: 1.a4

 

·         Ware Opening, Wing Gambit: 1...b5 2.axb5 Bb7

 

·         Ware Opening, Ware Gambit: 1...e5 2.a5 d5 3.e3 f5 4.a6

 

·         Ware Opening, Crab Variation: 1...e5 2.h4

 

·         Durkin Opening: 1.Na3

 

·         Sokolsky Opening: 1.b4

 

·         Sokolsky Opening, Birmingham Gambit: 1...c5

 

·         Sokolsky Opening, Outflank Variation: 1...c6

 

·         Sokolsky Opening, Schuhler Gambit: 1...c6 2.Bb2 a5 3.b5 cxb5 4.e4

 

·         Sokolsky Opening, Myers Variation: 1...d5 2.Bb2 c6 3.a4

 

·         Sokolsky Opening, Bugayev Attack: 1...e5 2.a3

 

·         Sokolsky Opening, Wolferts Gambit: 1...e5 2.Bb2 c5

 

·         Saragossa Opening: 1.c3

 

·         Dunst Opening: 1.Nc3

 

·         Van 't Kruijs Opening: 1.e3

 

·         Mieses Opening: 1.d3

 

·         Barnes Opening: 1.f3

 

·         Benko's Opening: 1.g3

 

·         Grob's Attack: 1.g4

 

·         Clemenz Opening: 1.h3

 

·         Desprez Opening: 1.h4

 

·         Amar Opening: 1.Nh3

 

• A01 Larsen's Opening: 1.b3

 

·         Modern variation: 1...e5

 

·         Classical variation: 1...d5

 

·         Indian variation: 1...Nf6

 

·         Symmetrical variation: 1...b6

 

·         English variation: 1...c5

 

·         Polish variation: 1...b5

 

·         Dutch variation: 1...f5

 

• A02 Bird's Opening: 1.f4 (Dutch Attack, without: 1...d5, 1...g6 2.e4, 1...Nf6 2.d4, 1...e5 2.e4, 1...c5 2.e4, 1...d6 2.e4)

 

·         From Gambit: 1...e5 (without: 2.e4)

 

·         Symmetrical variation: 1...f5

 

• A03 Bird's Opening: 1...d5 (without: 2.d4)

 

·         Mujannah-Sturm Gambit: 2.c4

 

·         Lasker variation: 2.e3

 

·         Williams Gambit: 2.e4

 

• A04 Réti Opening, 1.Nf3 (without: 1...Nf6, 1...d5, 1...c6 2.c4, 1...c6 2.d4, 1...c6 2.e4, 1...c6 2.g3 d5, 1...f5 2.c4, 1...f5 2.d4, 1...f5 2.e4 e5, 1...g6 2.c4, 1...g6 2.d4, 1...c5 2.c4, 1...c5 2.e4, 1...Nc6 2.e4, 1...e6 2.c4, 1...e6 2.d4, 1...e6 2.e4, 1...d6 2.c4, 1...d6 2.d4, 1...e6 2.e4, 1...d6 2.c4, 1...d6 2.d4, 1...d6 2.e4, 1...b6 2.c4, 1...e5 2.e4, 1...a6 2.e4 e5)
• A05 Réti Opening: 1...Nf6 (without: 2.c4, 2.d4, 2.Nc3, 2.g3 d5 2.d3 d5)

 

·         Santassiere's Folly: 2.b4

 

• A06 Réti Opening: 1...d5
• A07 Réti Opening, King's Indian Attack (Barcza System): 1...d5 2.g3

 

·         Keres variation: 2...Bg4

 

·         Yugoslav variation: 2...c6

 

• A08 Réti Opening, King's Indian Attack: 1...d5 2.g3 c5 3.Bg2
• A09 Réti Opening: 1...d5 2.c4 (without: 2...c6, 2...e6)

 

·         Advance variation: 2...d5 3.d4

 

·         Accepted: 2...d5 3.cxd4

 

• A10 English Opening: 1.c4 (without: 1...e5, 1...c5, 1...e6, 1...c6, 1...Nf6, 1...g6 2.d4, 1...f5 2.d4, 1...b6 2.d4, 1...d6 2.e4, 1...d6 2.d4, 1...Nc6 2.d4)

 

·         English Anglo-Dutch: 1...f5

 

·         English Vector: 1...d5

 

• A11 English, Caro–Kann defensive system, 1...c6 (without: 2.e4 , 2.d4)
• A12 English, Caro–Kann defensive system, 1...c6 2.Nf3 d5 3.b3

 

·         English Bogoljubov variation: 3...Bg4

 

·         English London Defence: 3...Nf6 4.g3 Bf5

 

• A13 English Opening: 1...e6 (without: 2.e4, 2.d4)
• A14 English, Neo-Catalan declined: 1...e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7
• A15 English, Anglo-Indian Defence: 1...Nf6 (without: 2.Nc3, 2.d4, 2.g3 c6, 2.g3 e5, 2.Nf3 c5, 2.Nf3 e6, 2.Nf3 c6)
• A16 English Opening, Anglo-Indian Defence: 1...Nf6 2.Nc3 (without: 2...c5, 2...e5, 2...e6)

 

·         Anglo-Grünfeld: 2...d5

 

• A17 English Opening, Hedgehog Defence, 1...Nf6 2.Nc3 e6 (without: 3.e4, 3.d4, 3.Nf3 c5, 3...d5 4.d4, 3...b5 4.d4, 3...Bb4 4.d4)
• A18 English, Mikenas–Carls Variation: 1...Nf6 2.Nc3 e6 3.e4 (without: 3...c5)
• A19 English, Mikenas–Carls, Sicilian Variation: 1...Nf6 2.Nc3 e6 3.e4 c5
• A20 English Opening: 1...e5 (without: 2.e4, 2.Nc3, 2.Nf3 Nc6 3.Nc3, 2.Nf3 Nf6 3.Nc3, 2.Nf3 d6 3.Nc3)
• A21 English Opening: 1...e5 2.Nc3 (without: 2...Nf6, 2...Nc6, 2...Bb4 3.g3 Nf6, 2...Bb4 3.Nf3 Nc6 2...Bb4 3.e3 Nf6)
• A22 English Opening: 1...e5 2.Nc3 Nf6 (without: 3.Nf3 Nc6, 3.e3 Nc6, 3.g3 Nc6, 3.g3 c6, 3.g3 g6, 3.e4 Nc6 4.Nf3)
• A23 English Opening, Bremen System, Keres Variation: 1...e5 2.Nc3 Nf6 3.g3 c6
• A24 English Opening, Bremen System with 1...e5 2.Nc3 Nf6 3.g3 g6 (without: 4.Bg2 Bg7 5.d3 d6)
• A25 English Opening, Sicilian Reversed: 1...e5 2 Nc3 Nc6 (without 3.Nf3, 3.g3 Nf6 4.Nf3, 3.e3 Nf6 4.Nf3)
• A26 English Opening, Closed System; 1...e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6

 

·         Botvinnik System: 6.e4

 

• A27 English Opening, Three Knights System: 1...e5 2.Nc3 Nc6 3.Nf3 (without: 3...Nf6)
• A28 English Opening, Four Knights System: 1...e5 2.Nc3 Nc6 3.Nf3 Nf6 (without 4.g3)
• A29 English Opening, Four Knights, Kingside Fianchetto: 1...e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3
• A30 English Opening, Symmetrical Defense: 1.c4 c5 (without: 2.Nc3, 2.e4, 2.g3 g6 3.Nc3, 2.g3 Nc6 3.Nc3, 2.Nf3 Nc6 3.Nc3, 2.e3 Nf6 4.d4)
• A31 English Opening, Symmetrical, Benoni formation: 1...c5 2.Nf3 Nf6 3.d4 (without: 3...cxd4 4.Nxd4 e6, 3...cxd4 4.Nxd4 a6 5.Nc3 e6, 3...cxd4 4.Nxd4 Nc6 5.Nc3 e6)
• A32 English Opening, Symmetrical: 1...c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 (without: 5.Nc3 Nc6)
• A33 English Opening, Symmetrical: 1...c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6

 

·         Geller variation: 6.g3 Qb6

 

• A34 English Opening, Symmetrical: 1...c5 2.Nc3 (without 2...Nc6, 2...Nf6 3.Nf3 Nc6, 2...Nf6 3.e4 e6, 2...e6 3.Nf3 Nf6, 4.g3 Nc6)
• A35 English Opening, Symmetrical: 1...c5 2.Nc3 Nc6 (without 3.g3, 3.e4, 3.Nf3 Nf6, 4.g3 e6, 3.Nf3 Nf6 4.d4 cxd4 5.Nxd4, 3.Nf3 e5 4.g3 g6 5.Bg2 Bg7)

 

·         Four Knights: 3.e3 Nf6 4.Nf3

 

• A36 English Opening, Symmetrical: 1...c5 2.Nc3 Nc6 3.g3 (without: 3...g6 4.Bg2 Bg7 5.Nf3 (A37-A39), 3...g6 4.Bg2 Bg7 5.Rb1 Nf6 6.d3 0-0 7.Nf3 d6 8.O-O (A38))
• A37 English Opening, Symmetrical: 1...c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 (without: 5...Nf6 (A38-A39))
• A38 English Opening, Symmetrical: 1...c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 (without: 6.O-O O-O 7.d4 (A39) and 6.d4 cxd4 7.Nxd4 0-0 (A39))
• A39 English Opening, Symmetrical, Main line with 1...c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 or 1...c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.d4 cxd4 7.Nd4 0-0 8.0-0

 

A40–A44

 

1.d4 without 1...d5 or 1...Nf6: Atypical replies to 1.d4

 

• A40 Queen's Pawn Game (including English Defence, Englund Gambit, Queen's Knight Defence, Polish Defence and Keres Defence)
• A41 Queen's Pawn Game, Wade Defence
• A42 Modern Defence, Averbakh System also Wade Defence
• A43 Old Benoni Defence
• A44 Old Benoni Defence

 

A45–A49

 

1.d4 Nf6 without 2.c4: Atypical replies to 1...Nf6

 

• A45 Queen's Pawn Game
• A46 Queen's Pawn Game, Torre Attack
• A47 Queen's Indian Defence
• A48 King's Indian, East Indian Defence
• A49 King's Indian, Fianchetto without c4

 

A50–A79

 

1.d4 Nf6 2.c4 without 2...e6 or 2...g6: Atypical Indian systems

 

• A50 Queen's Pawn Game, Black Knights' Tango
• A51 Budapest Gambit declined
• A52 Budapest Gambit
• A53 Old Indian Defence (Chigorin Indian Defence)
• A54 Old Indian, Ukrainian Variation
• A55 Old Indian, Main line
• A56 Benoni Defense
• A57 Benko Gambit
• A58 Benko Gambit Accepted
• A59 Benko Gambit, 7.e4
• A60 Benoni Defence
• A61 Benoni Defence
• A62 Benoni, Fianchetto Variation without early ...Nbd7
• A63 Benoni, Fianchetto Variation, 9...Nbd7
• A64 Benoni, Fianchetto Variation, 11...Re8
• A65 Benoni, 6.e4
• A66 Benoni, Pawn Storm Variation
• A67 Benoni, Taimanov Variation
• A68 Benoni, Four Pawns Attack
• A69 Benoni, Four Pawns Attack, Main line
• A70 Benoni, Classical with e4 and Nf3
• A71 Benoni, Classical, 8.Bg5
• A72 Benoni, Classical without 9.0-0
• A73 Benoni, Classical, 9.0-0
• A74 Benoni, Classical, 9...a6, 10.a4
• A75 Benoni, Classical with ...a6 and 10...Bg4
• A76 Benoni, Classical, 9...Re8
• A77 Benoni, Classical, 9...Re8, 10.Nd2
• A78 Benoni, Classical with ...Re8 and ...Na6
• A79 Benoni, Classical, 11.f3

 

A80–A99

 

1.d4 f5: Dutch Defence

 

• A80 Dutch Defence (without 2.c4 (A84-A99), 2.e4 (A82-A83), 2.g3 (A81))

• Korchnoi Attack 2.h3

A81 Dutch Defence 2.g3 A82 Dutch, Staunton Gambit 2.e4

• Balogh Defence 2...d6
• Staunton Gambit Accepted 2...fxe4 (without 3.Nc3 Nf6 4.Bg5 (A83))

A83 Dutch, Staunton Gambit, Staunton's line 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 A84 Dutch defence 2.c4 (without 2...Nf6 3.Nc3 (A85), 2...Nf6 3.g3 (A86-A99)) A85 Dutch with 2.c4 Nf6 3.Nc3 A86 Dutch with 2.c4 Nf6 3.g3 (without 3...g6 4.Bg2 Bg7 5.Nf3 (A87) and 3...e6 4.Bg2 (A90-A99)) A87 Dutch, Leningrad, Main Variation 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 (without 5...O-O 6.O-O d6 7.Nc3 c6 (A88) and 7...Nc6 (A89)) A88 Dutch, Leningrad, Main Variation with 5...O-O 6.O-O d6 7.Nc3 c6 A89 Dutch, Leningrad, Main Variation with 5...O-O 6.O-O d6 7.Nc3 Nc6 A90 Dutch Defence 2.c4 Nf6 3.g3 e6 4.Bg2 (without 4...Be7 (A91-A99)) A91 Dutch Defence 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 (without 5.Nf3 (A92-A99)) A92 Dutch Defence 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O (without 6.O-O (A93-A99)) A93 Dutch, Stonewall, Botvinnik Variation 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5.7 b3 (without 7...c6 8.Ba3 (A94)) A94 Dutch, Stonewall with 6.O-O d5.7.b3 c6 8.Ba3 A95 Dutch, Stonewall with 6.O-O d5.7.Nc3 c6 A96 Dutch, Classical Variation 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 (without 7.Nc3 Qe8 (A97-A99)) A97 Dutch, Ilyin–Genevsky Variation 7.Nc3 Qe8 (without 8.Qc2 (A98) and 8.b3 (A99)) A98 Dutch, Ilyin–Genevsky Variation with 7.Nc3 Qe8 8.Qc2 A99 Dutch, Ilyin–Genevsky Variation with 7.Nc3 Qe8 8.b3

 

B

 

• 1.e4 without 1...c5, 1...e6 or 1...e5 (B00–B19)
• 1.e4 c5: Sicilian Defence (B20–B99)

 

B00–B19

 

1.e4 without 1...c5, 1...e6 or 1...e5

 

• B00 King's Pawn Opening without 1...e5, 1...d5, 1...Nf6, 1...g6, 1...d6, 1...c6, 1...c5.

• Nimzowitsch Defence 1...Nc6 (without 2.Nf3 e5 (C44, C50, C60))
• St. George Defence 1...a6 (without 2.d4 e6 (C00))
• Owen's Defence (Greek Defence) 1...b6 (without 2.d4 e6 3.c4 (A40))
• Hippopotamus Defence
• and others

B01 Scandinavian Defence (Center Counter Defence) B02 Alekhine's Defence B03 Alekhine's Defence 3.d4 B04 Alekhine's Defence, Modern Variation B05 Alekhine's Defence, Modern Variation, 4...Bg4 B06 Robatsch (Modern) Defence, including Monkey's Bum B07 Pirc Defence B08 Pirc, Classical (Two Knights) System B09 Pirc, Austrian attack B10 Caro-Kann Defence B11 Caro–Kann, Two knights, 3...Bg4 B12 Caro–Kann Defence B13 Caro–Kann, Exchange Variation B14 Caro–Kann, Panov–Botvinnik Attack, 5...e6 B15 Caro–Kann Defence B16 Caro–Kann, Bronstein–Larsen Variation B17 Caro–Kann, Steinitz Variation, Smyslov Systems B18 Caro–Kann, Classical Variation B19 Caro–Kann, Classical, 7...Nd7

 

B20–B99

 

1.e4 c5: Sicilian Defence

 

• B20 Sicilian Defence, (any move for white without 2.Nc3 (B23-B26), 2.c3 (B22), 2.d4 (B21), 2.f4 (B21) and 2.Nf3 (B27-B99))
• B21 Sicilian, two line: 2.f4, 2.d4

• Grand Prix Attack, 2.f4 (without 2...e5 (C30))
• Smith-Morra Gambit, 2.d4 (without 2...e6 (C00) and 2.d4 cxd4 3.c3 g6 (B22)) with Siberian Trap 2.d4 cxd4 3.c3 dxc3...

• Sicilian Smith-Morra Morphy Gambit, 2.d4 cxd4 3.Nf3 (without 3...Nc6 (B32), 3...e6 (B40), 3...d6 (B53), 3...a6 4.Nd4 (B28))
• Sicilian Halasz Gambit, 2.d4 cxd4 3.f4

B22 Sicilian, Alapin Variation, 2.c3 (without 2...d6 3.Nf3 (C50), 2...e6 3.Nf3 d5 (B40), 2...e6 3.d4 d5 4.e5 (C02), 2...g6 3.Nf3 (B27)) B23 Sicilian, Closed, 2.Nc3 (without 2...a6 3.Nf3 (B28), 2...d6 3.Nf3 (B50), 2...Nc6 3.g3 (B24-B26)) B24 Sicilian, Closed, 2.Nc3 Nc6 3.g3 (without 3...g6 (B25-B26)) B25 Sicilian, Closed, 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 (without 6.Be3 (B26)) B26 Sicilian, Closed, 6.Be3 B27 Sicilian Defence, 2.Nf3 (without 2...a6 (B28), 2...Nc6 (B30), 2...d6 (B50), 2...e6 (B40), 2...Nf6 (B29))

• Katalimov Variation, 2...b6
• Hungarian Variation, 2...g6
• Quinteros Variation, 2...Qc7
• Mongoose Variation, 2...Qa5

B28 Sicilian, O'Kelly Variation, 2.Nf3 a6 (without 3.d4 cxd4 4.Nxd4 e6 (B41, B43)) B29 Sicilian, Nimzovich–Rubinstein Variation, 2.Nf3 Nf6 (without 3.e5 Nd5 4.c3 (B22), 3.Nc3 Nc6 (B30), 3.Nc3 d6 (B50), 3.d4 cxd4 4.Nd4 d6 (B54, B56, B94-B99)) B30 Sicilian Defence, 2.Nf3 Nc6 (without 3.Bb5 g6 (B31) 3.Bb5 d6 (B51))

• Sicilian, Rossolimo Variation, 3.Bb5

B31 Sicilian, Nimzovich–Rossolimo Attack, 3.Bb5 g6 B32 Sicilian Defence, 2.Nf3 Nc6 3.d4 (without 3...cxd4 4.Nxd4 Nf6 (B33), 4...e6 (B44-B47) 4...g6 (B34)) B33 Sicilian, Sveshnikov (Lasker–Pelikan) Variation, 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 (without 5.Nc3 e6 (B45) 5...g6 (B34) 5...d6 (B56)) B34 Sicilian, Accelerated Fianchetto, Exchange Variation, 2.Nf3 Nc6 3 d4.cxd4 4.Nxd4 g6 (without 5.c4 (B36), 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 (B35)) B35 Sicilian, Accelerated Fianchetto, Modern Variation with 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 (without 7...b6 (B72, B75)) B36 Sicilian, Accelerated Fianchetto, Maroczy bind 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 (without 5...Bg7 (B37-B39)) B37 Sicilian, Accelerated Fianchetto, Maroczy bind, 5...Bg7 (without 6.Be3 (B38)) B38 Sicilian, Accelerated Fianchetto, Maroczy bind, 5...Bg7 6.Be3 (without 6...Nf6 7.Nc3 Ng4 (B39)) B39 Sicilian, Accelerated Fianchetto, Breyer Variation, 5...Bg7 6.Be3 Nf6 7.Nc3 Ng4 B40 Sicilian Defence, 2.Nf3 e6 B41 Sicilian, Kan Variation, 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 (without 5.Bd3 (B42), 5.Nc3 (B43), 5.Be2 Nf6 6.Nc3 Qc7 (B43)) B42 Sicilian, Kan, 5.Bd3 B43 Sicilian, Kan, 5.Nc3 B44 Sicilian Defence, 2.Nf3 e6 3.d4 cxd4 4.Nd4 Nc6 B44 Sicilian, Szén Variation (5.Nb5) B45 Sicilian, Taimanov Variation, 5.Nc3 B46 Sicilian, Taimanov Variation B47 Sicilian, Taimanov (Bastrikov) variation B48 Sicilian, Taimanov Variation B49 Sicilian, Taimanov Variation B50 Sicilian B51 Sicilian, Canal–Sokolsky Attack B52 Sicilian, Canal–Sokolsky Attack, 3...Bd7 B53 Sicilian, Chekhover Variation B54 Sicilian B55 Sicilian, Prins Variation, Venice Attack B56 Sicilian B57 Sicilian, Sozin (not Scheveningen) including Magnus Smith Trap B58 Sicilian, Classical B59 Sicilian, Boleslavsky Variation, 7.Nb3 B60 Sicilian, Richter-Rauzer B61 Sicilian, Richter–Rauzer, Larsen Variation, 7.Qd2 B62 Sicilian, Richter–Rauzer, 6...e6 B63 Sicilian, Richter–Rauzer, Rauzer Attack B64 Sicilian, Richter–Rauzer, Rauzer Attack, 7...Be7 defence, 9.f4 B65 Sicilian, Richter–Rauzer, Rauzer Attack, 7...Be7 defence, 9...Nxd4 B66 Sicilian, Richter–Rauzer, Rauzer Attack, 7...a6 B67 Sicilian, Richter–Rauzer, Rauzer Attack, 7...a6 defence, 8...Bd7 B68 Sicilian, Richter–Rauzer, Rauzer Attack, 7...a6 defence, 9...Be7 B69 Sicilian, Richter–Rauzer, Rauzer Attack, 7...a6 defence, 11.Bxf6 B70 Sicilian, Dragon Variation B71 Sicilian, Dragon, Levenfish Variation B72 Sicilian, Dragon, 6.Be3 B73 Sicilian, Dragon, Classical, 8.0-0 B74 Sicilian, Dragon, Classical, 9.Nb3 B75 Sicilian, Dragon, Yugoslav Attack B76 Sicilian, Dragon, Yugoslav Attack, 7...0-0 B77 Sicilian, Dragon, Yugoslav Attack, 9.Bc4 B78 Sicilian, Dragon, Yugoslav Attack, 10.0-0-0 B79 Sicilian, Dragon, Yugoslav Attack, 12.h4 B80 Sicilian, Scheveningen Variation B80 Sicilian, Scheveningen, English Attack B81 Sicilian, Scheveningen, Keres Attack B82 Sicilian, Scheveningen, 6.f4 B83 Sicilian, Scheveningen, 6.Be2 B84 Sicilian, Scheveningen (Paulsen), Classical Variation B85 Sicilian, Scheveningen, Classical Variation with ...Qc7 and ...Nc6 B86 Sicilian, Sozin Attack B87 Sicilian, Sozin with ...a6 and ...b5 B88 Sicilian, Sozin, Leonhardt Variation B89 Sicilian, Sozin, 7.Be3 B90 Sicilian, Najdorf B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation (6.g3) B92 Sicilian, Najdorf, Opocensky Variation (6.Be2) B93 Sicilian, Najdorf, 6.f4 B94 Sicilian, Najdorf, 6.Bg5 B95 Sicilian, Najdorf, 6...e6 B96 Sicilian, Najdorf, 7.f4 B97 Sicilian, Najdorf, 7...Qb6 including Poisoned Pawn Variation B98 Sicilian, Najdorf, 7...Be7 B99 Sicilian, Najdorf, 7...Be7 Main line

 

C

 

• 1.e4 e6: French Defence (C00–C19)
• 1.e4 e5: Open Game (C20–C99)

 

C00–C19

 

1.e4 e6: French Defence

 

• C00 French Defence
• C01 French, Exchange Variation
• C02 French, Advance Variation
• C03 French, Tarrasch
• C04 French, Tarrasch, Guimard Main line
• C05 French, Tarrasch, Closed Variation
• C06 French, Tarrasch, Closed Variation, Main line
• C07 French, Tarrasch, Open Variation
• C08 French, Tarrasch, Open, 4.exd5 exd5
• C09 French, Tarrasch, Open Variation, Main line
• C10 French, Paulsen Variation
• C11 French Defence
• C12 French, MacCutcheon Variation
• C13 French, Classical
• C14 French, Classical Variation
• C15 French, Winawer (Nimzovich) Variation
• C16 French, Winawer, Advance Variation
• C17 French, Winawer, Advance Variation
• C18 French, Winawer, Advance Variation
• C19 French, Winawer, Advance, 6...Ne7

 

C20–C99

 

1.e4 e5: Open Game

 

• C20 King's Pawn Game (includes Alapin's Opening, Lopez Opening, Napoleon Opening, Portuguese Opening and Wayward Queen Attack)
• C21 Center Game (includes Danish Gambit)
• C22 Center Game
• C23 Bishop's Opening
• C24 Bishop's Opening, Berlin Defence
• C25 Vienna Game
• C26 Vienna Game, Falkbeer Variation
• C27 Vienna Game, Frankenstein-Dracula Variation
• C28 Vienna Game
• C29 Vienna Gambit, Kaufmann Variation including Würzburger Trap
• C30 King's Gambit
• C31 King's Gambit Declined, Falkbeer and Nimzowitsch (3....c6) Countergambits
• C32 King's Gambit Declined, Falkbeer, 5.dxe4
• C33 King's Gambit Accepted
• C34 King's Gambit Accepted, including Fischer Defence
• C35 King's Gambit Accepted, Cunningham Defence
• C36 King's Gambit Accepted, Abbazia Defence (Classical Defence, Modern Defence)
• C37 King's Gambit Accepted, Quaade Gambit
• C38 King's Gambit Accepted
• C39 King's Gambit Accepted, Allgaier and Kieseritsky Gambits including Rice Gambit
• C40 King's Knight Opening (includes Gunderam Defence, Greco Defence, Damiano Defence, Elephant Gambit, and Latvian Gambit.)
• C41 Philidor Defence
• C42 Petrov's Defence, including Marshall Trap
• C43 Petrov's Defence, Modern (Steinitz) Attack
• C44 King's Pawn Game (includes Ponziani Opening, Inverted Hungarian Opening, Irish Gambit, Konstantinopolsky Opening and some Scotch Game)
• C45 Scotch Game
• C46 Three Knights Game including Halloween Gambit
• C47 Four Knights Game
• C48 Four Knights Game, Spanish Variation
• C49 Four Knights Game, Double Ruy Lopez
• C50 King's Pawn Game (includes Blackburne Shilling Gambit, Hungarian Defence, Semi-Italian Opening, Italian Gambit, Légal Trap, Rousseau Gambit and Giuoco Pianissimo)