| A00 |
1. b4 |
Polish (Sokolsky) opening |
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| A01 |
1. b3 |
Nimzovich-Larsen attack |
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| A02-A03 |
1. f4 |
Bird's opening |
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| A04-A09 |
1. Nf3 |
Reti opening |
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| A10-A39 |
1. c4 |
English opening |
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| A40-A41 |
1. d4 |
Queen's pawn |
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| A42 |
1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 |
Modern defence, Averbakh system |
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| A43-A44 |
1. d4 c5 |
Old Benoni defence |
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| A45-A46 |
1. d4 Nf6 |
Queen's pawn game |
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| A47 |
1. d4 Nf6 2. Nf3 b6 |
Queen's Indian defence |
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| A48-A49 |
1. d4 Nf6 2. Nf3 g6 |
King's Indian, East Indian defence |
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| A50 |
1. d4 Nf6 2. c4 |
Queen's pawn game |
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| A51-A52 |
1. d4 Nf6 2. c4 e5 |
Budapest defence |
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| A53-A55 |
1. d4 Nf6 2. c4 d6 |
Old Indian defence |
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| A56 |
1. d4 Nf6 2. c4 c5 |
Benoni defence |
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| A57-A59 |
1. d4 Nf6 2. c4 c5 3. d5 b5 |
Benko gambit |
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| A60-A79 |
1. d4 Nf6 2. c4 c5 3. d5 e6 |
Benoni defence |
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| A80-A99 |
1. d4 f5 |
Dutch |
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| B00 |
1. e4 |
King's pawn opening |
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| B01 |
1. e4 d5 |
Scandinavian (centre counter) defence |
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| B02-B05 |
1. e4 Nf6 |
Alekhine's defence |
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| B06 |
1. e4 g6 |
Robatsch (modern) defence |
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| B07-B09 |
1. e4 d6 2. d4 Nf6 3. Nc3 |
Pirc defence |
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| B10-B19 |
1. e4 c6 |
Caro-Kann defence |
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| B20-B99 |
1. e4 c5 |
Sicilian defence |
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| C00-C19 |
1. e4 e6 |
French defence |
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| C20 |
1. e4 e5 |
King's pawn game |
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| C21-C22 |
1. e4 e5 2. d4 exd4 |
Centre game |
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| C23-C24 |
1. e4 e5 2. Bc4 |
Bishop's opening |
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| C25-C29 |
1. e4 e5 2. Nc3 |
Vienna game |
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| C30-C39 |
1. e4 e5 2. f4 |
King's gambit |
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| C40 |
1. e4 e5 2. Nf3 |
King's knight opening |
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| C41 |
1. e4 e5 2. Nf3 d6 |
Philidor's defence |
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| C42-C43 |
1. e4 e5 2. Nf3 Nf6 |
Petrov's defence |
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| C44 |
1. e4 e5 2. Nf3 Nc6 |
King's pawn game |
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| C45 |
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 |
Scotch game |
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| C46 |
1. e4 e5 2. Nf3 Nc6 3. Nc3 |
Three knights game |
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| C47-C49 |
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 |
Four knights, Scotch variation |
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| C50 |
1. e4 e5 2. Nf3 Nc6 3. Bc4 |
King's pawn game |
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| C51-C52 |
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 |
Evans gambit |
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| C53-C54 |
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 |
Giuoco Piano |
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| C55-C59 |
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 |
Two knights defence |
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| C60-C99 |
1. e4 e5 2. Nf3 Nc6 3. Bb5 |
Ruy Lopez (Spanish opening) |
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| D00 |
1. d4 d5 |
Queen's pawn game |
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| D01 |
1. d4 d5 2. Nc3 Nf6 3. Bg5 |
Richter-Veresov attack |
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| D02 |
1. d4 d5 2. Nf3 |
Queen's pawn game |
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| D03 |
1. d4 d5 2. Nf3 Nf6 3. Bg5 |
Torre attack (Tartakower variation) |
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| D04-D05 |
1. d4 d5 2. Nf3 Nf6 3. e3 |
Queen's pawn game |
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| D06 |
1. d4 d5 2. c4 |
Queen's Gambit |
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| D07-D09 |
1. d4 d5 2. c4 Nc6 |
Queen's Gambit Declined, Chigorin defence |
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| D10-D15 |
1. d4 d5 2. c4 c6 |
Queen's Gambit Declined Slav defence |
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| D16 |
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 |
Queen's Gambit Declined Slav accepted, Alapin variation |
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| D17-D19 |
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 |
Queen's Gambit Declined Slav, Czech defence |
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| D20-D29 |
1. d4 d5 2. c4 dxc4 |
Queen's gambit accepted |
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| D30-D42 |
1. d4 d5 2. c4 e6 |
Queen's gambit declined |
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| D43-D49 |
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 |
Queen's Gambit Declined semi-Slav |
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| D50-D69 |
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 |
Queen's Gambit Declined, 4.Bg5 |
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| D70-D79 |
1. d4 Nf6 2. c4 g6 3. f3 d5 |
Neo-Gruenfeld defence |
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| D80-D99 |
1. d4 Nf6 2. c4 g6 3. Nc3 d5 |
Gruenfeld defence |
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| E00 |
1. d4 Nf6 2. c4 e6 |
Queen's pawn game |
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| E01-E09 |
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 |
Catalan, closed |
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| E10 |
1. d4 Nf6 2. c4 e6 3. Nf3 |
Queen's pawn game |
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| E11 |
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ |
Bogo-Indian defence |
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| E12-E19 |
1. d4 Nf6 2. c4 e6 3. Nf3 b6 |
Queen's Indian defence |
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| E20-E59 |
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 |
Nimzo-Indian defence |
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| E60-E99 |
1. d4 Nf6 2. c4 g6 |
King's Indian defence |
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