| A00 | Uncommon Opening 1 g4, a3, h3, etc. |
| A01 | Nimzovich-Larsen Attack 1 b3 |
| A02 | Bird's Opening 1 f4 |
| A03 | Bird's Opening 1 f4 d5 |
| A04 | Reti Opening 1 Nf3 |
| A05 | Reti Opening 1 Nf3 Nf6 |
| A06 | Reti Opening 1 Nf3 d5 |
| A07 | King's Indian Attack 1 Nf3 d5 2 g3 |
| A08 | King's Indian Attack 1 Nf3 d5 2 g3 c5 3 Bg2 |
| A09 | Reti Opening 1 Nf3 d5 2 c4 |
| A10 | English 1 c4 |
| A11 | English, Caro-Kann Defensive System 1 c4 c6 |
| A12 | English with b3 1 c4 c6 2 Nf3 d5 3 b3 |
| A13 | English 1 c4 e6 |
| A14 | English 1 c4 e6 2 Nf3 d5 3 g3 Nf6 4 Bg2 Be7 5 O-O |
| A15 | English 1 c4 Nf6 |
| A16 | English 1 c4 Nf6 2 Nc3 |
| A17 | English 1 c4 Nf6 2 Nc3 e6 |
| A18 | English, Mikenas-Carls 1 c4 Nf6 2 Nc3 e6 3 e4 |
| A19 | English, Mikenas-Carls, Sicilian Variation 1 c4 Nf6 2 Nc3 e6 3 e4 c5 |
| A20 | English 1 c4 e5 |
| A21 | English 1 c4 e5 2 Nc3 |
| A22 | English 1 c4 e5 2 Nc3 Nf6 |
| A23 | English, Bremen System, Keres Variation 1 c4 e5 2 Nc3 Nf6 3 g3 c6 |
| A24 | English, Bremen System with ...g6 1 c4 e5 2 Nc3 Nf6 3 g3 g6 |
| A25 | English 1 c4 e5 2 Nc3 Nc6 |
| A26 | English 1 c4 e5 2 Nc3 Nc6 3 g3 g6 4 Bg2 Bg7 5 d3 d6 |
| A27 | English, Three Knights System 1 c4 e5 2 Nc3 Nc6 3 Nf3 |
| A28 | English 1 c4 e5 2 Nc3 Nc6 3 Nf3 Nf6 |
| A29 | English, Four Knights, Kingside Fianchetto 1 c4 e5 2 Nc3 Nc6 3 Nf3 Nf6 4 g3 |
| A30 | English, Symmetrical 1 c4 c5 |
| A31 | English, Symmetrical, Benoni Formation 1 c4 c5 2 Nf3 Nf6 3 d4 |
| A32 | English, Symmetrical Variation 1 c4 c5 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 |
| A33 | English, Symmetrical 1 c4 c5 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6 |
| A34 | English, Symmetrical 1 c4 c5 2 Nc3 |
| A35 | English, Symmetrical 1 c4 c5 2 Nc3 Nc6 |
| A36 | English 1 c4 c5 2 Nc3 Nc6 3 g3 |
| A37 | English, Symmetrical 1 c4 c5 2 Nc3 Nc6 3 g3 g6 4 Bg2 Bg7 5 Nf3 |
| A38 | English, Symmetrical 1 c4 c5 2 Nc3 Nc6 3 g3 g6 4 Bg2 Bg7 5 Nf3 Nf6 |
| A39 | English, Symmetrical, Main line with d4 1 c4 c5 2 Nc3 Nc6 3 g3 g6 4 Bg2 Bg7 5 Nf3 Nf6 6 O-O O-O 7 d4 |
| A40 | Queen's Pawn Game 1 d4 |
| A41 | Queen's Pawn Game (with ...d6) 1 d4 d6 |
| A42 | Modern Defense, Averbakh System 1 d4 d6 2 c4 g6 3 Nc3 Bg7 4 e4 |
| A43 | Old Benoni 1 d4 c5 |
| A44 | Old Benoni Defense 1 d4 c5 2 d5 e5 |
| A45 | Queen's Pawn Game 1 d4 Nf6 |
| A46 | Queen's Pawn Game 1 d4 Nf6 2 Nf3 |
| A47 | Queen's Indian 1 d4 Nf6 2 Nf3 b6 |
| A48 | King's Indian 1 d4 Nf6 2 Nf3 g6 |
| A49 | King's Indian, Fianchetto without c4 1 d4 Nf6 2 Nf3 g6 3 g3 |
| A50 | Queen's Pawn Game 1 d4 Nf6 2 c4 |
| A51 | Budapest Gambit 1 d4 Nf6 2 c4 e5 |
| A52 | Budapest Gambit 1 d4 Nf6 2 c4 e5 3 dxe5 Ng4 |
| A53 | Old Indian 1 d4 Nf6 2 c4 d6 |
| A54 | Old Indian, Ukrainian Variation, 4.Nf3 1 d4 Nf6 2 c4 d6 3 Nc3 e5 4 Nf3 |
| A55 | Old Indian, Main line 1 d4 Nf6 2 c4 d6 3 Nc3 e5 4 Nf3 Nbd7 5 e4 |
| A56 | Benoni Defense 1 d4 Nf6 2 c4 c5 |
| A57 | Benko Gambit 1 d4 Nf6 2 c4 c5 3 d5 b5 |
| A58 | Benko Gambit 1 d4 Nf6 2 c4 c5 3 d5 b5 4 cxb5 a6 5 bxa6 |
| A59 | Benko Gambit 1 d4 Nf6 2 c4 c5 3 d5 b5 4 cxb5 a6 5 bxa6 Bxa6 6 Nc3 d6 7 e4 |
| A60 | Benoni Defense 1 d4 Nf6 2 c4 c5 3 d5 e6 |
| A61 | Benoni 1 d4 Nf6 2 c4 c5 3 d5 e6 4 Nc3 exd5 5 cxd5 d6 6 Nf3 g6 |
| A62 | Benoni, Fianchetto Variation 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 |
| A63 | Benoni, Fianchetto, 9...Nbd7 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 |
| A64 | Benoni, Fianchetto, 11...Re8 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 |
| A65 | Benoni, 6.e4 1 d4 Nf6 2 c4 c5 3 d5 e6 4 Nc3 exd5 5 cxd5 d6 6 e4 |
| A66 | Benoni 1 d4 Nf6 2 c4 c5 3 d5 e6 4 Nc3 exd5 5 cxd5 d6 6 e4 g6 7 f4 |
| A67 | Benoni, Taimanov Variation 1 d4 Nf6 2 c4 c5 3 d5 e6 4 Nc3 exd5 5 cxd5 d6 6 e4 g6 7 f4 Bg7 8 Bb5+ |
| A68 | Benoni, Four Pawns Attack 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 | Benoni, Four Pawns Attack, Main line 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 |
| A70 | Benoni, Classical with 7.Nf3 1 d4 Nf6 2 c4 c5 3 d5 e6 4 Nc3 exd5 5 cxd5 d6 6 e4 g6 7 Nf3 |
| A71 | Benoni, Classical, 8.Bg5 1 d4 Nf6 2 c4 c5 3 d5 e6 4 Nc3 exd5 5 cxd5 d6 6 e4 g6 7 Nf3 Bg7 8 Bg5 |
| A72 | Benoni, Classical without 9.O-O 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 |
| A73 | Benoni, Classical, 9.O-O 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 |
| A74 | Benoni, Classical, 9...a6, 10.a4 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 |
| A75 | Benoni, Classical with ...a6 and 10...Bg4 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 |
| A76 | Benoni, Classical, 9...Re8 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 |
| A77 | Benoni, Classical, 9...Re8, 10.Nd2 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 |
| A78 | Benoni, Classical with ...Re8 and ...Na6 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 |
| A79 | Benoni, Classical, 11.f3 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 |
| A80 | Dutch 1 d4 f5 |
| A81 | Dutch 1 d4 f5 2 g3 |
| A82 | Dutch, Staunton Gambit 1 d4 f5 2 e4 |
| A83 | Dutch, Staunton Gambit 1 d4 f5 2 e4 fxe4 3 Nc3 Nf6 4 Bg5 |
| A84 | Dutch 1 d4 f5 2 c4 |
| A85 | Dutch, with c4 & Nc3 1 d4 f5 2 c4 Nf6 3 Nc3 |
| A86 | Dutch 1 d4 f5 2 c4 Nf6 3 g3 |
| A87 | Dutch, Leningrad, Main Variation 1 d4 f5 2 c4 Nf6 3 g3 g6 4 Bg2 Bg7 5 Nf3 |
| A88 | Dutch, Leningrad, Main Variation with c6 1 d4 f5 2 c4 Nf6 3 g3 g6 4 Bg2 Bg7 5 Nf3 O-O 6 O-O d6 7 Nc3 c6 |
| A89 | Dutch, Leningrad, Main Variation with Nc6 1 d4 f5 2 c4 Nf6 3 g3 g6 4 Bg2 Bg7 5 Nf3 O-O 6 O-O d6 7 Nc3 Nc6 |
| A90 | Dutch 1 d4 f5 2 c4 Nf6 3 g3 e6 4 Bg2 |
| A91 | Dutch Defense 1 d4 f5 2 c4 Nf6 3 g3 e6 4 Bg2 Be7 |
| A92 | Dutch 1 d4 f5 2 c4 Nf6 3 g3 e6 4 Bg2 Be7 5 Nf3 O-O |
| A93 | Dutch, Stonewall, Botvinnik Variation 1 d4 f5 2 c4 Nf6 3 g3 e6 4 Bg2 Be7 5 Nf3 O-O 6 O-O d5 7 b3 |
| A94 | Dutch, Stonewall with Ba3 1 d4 f5 2 c4 Nf6 3 g3 e6 4 Bg2 Be7 5 Nf3 O-O 6 O-O d5 7 b3 c6 8 Ba3 |
| A95 | Dutch, Stonewall 1 d4 f5 2 c4 Nf6 3 g3 e6 4 Bg2 Be7 5 Nf3 O-O 6 O-O d5 7 Nc3 c6 |
| A96 | Dutch, Classical Variation 1 d4 f5 2 c4 Nf6 3 g3 e6 4 Bg2 Be7 5 Nf3 O-O 6 O-O d6 |
| A97 | Dutch, Ilyin-Genevsky 1 d4 f5 2 c4 Nf6 3 g3 e6 4 Bg2 Be7 5 Nf3 O-O 6 O-O d6 7 Nc3 Qe8 |
| A98 | Dutch, Ilyin-Genevsky Variation with Qc2 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 | Dutch, Ilyin-Genevsky Variation with b3 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 | Uncommon King's Pawn Opening 1 e4 |
| B01 | Scandinavian 1 e4 d5 |
| B02 | Alekhine's Defense 1 e4 Nf6 |
| B03 | Alekhine's Defense 1 e4 Nf6 2 e5 Nd5 3 d4 |
| B04 | Alekhine's Defense, Modern 1 e4 Nf6 2 e5 Nd5 3 d4 d6 4 Nf3 |
| B05 | Alekhine's Defense, Modern 1 e4 Nf6 2 e5 Nd5 3 d4 d6 4 Nf3 Bg4 |
| B06 | Robatsch 1 e4 g6 |
| B07 | Pirc 1 e4 d6 2 d4 Nf6 |
| B08 | Pirc, Classical 1 e4 d6 2 d4 Nf6 3 Nc3 g6 4 Nf3 |
| B09 | Pirc, Austrian Attack 1 e4 d6 2 d4 Nf6 3 Nc3 g6 4 f4 |
| B10 | Caro-Kann 1 e4 c6 |
| B11 | Caro-Kann, Two Knights, 3...Bg4 1 e4 c6 2 Nc3 d5 3 Nf3 Bg4 |
| B12 | Caro-Kann Defense 1 e4 c6 2 d4 |
| B13 | Caro-Kann, Exchange 1 e4 c6 2 d4 d5 3 exd5 cxd5 |
| B14 | Caro-Kann, Panov-Botvinnik Attack 1 e4 c6 2 d4 d5 3 exd5 cxd5 4 c4 Nf6 5 Nc3 e6 |
| B15 | Caro-Kann 1 e4 c6 2 d4 d5 3 Nc3 |
| B16 | Caro-Kann, Bronstein-Larsen Variation 1 e4 c6 2 d4 d5 3 Nc3 dxe4 4 Nxe4 Nf6 5 Nxf6+ gxf6 |
| B17 | Caro-Kann, Steinitz Variation 1 e4 c6 2 d4 d5 3 Nc3 dxe4 4 Nxe4 Nd7 |
| B18 | Caro-Kann, Classical 1 e4 c6 2 d4 d5 3 Nc3 dxe4 4 Nxe4 Bf5 |
| B19 | Caro-Kann, Classical 1 e4 c6 2 d4 d5 3 Nc3 dxe4 4 Nxe4 Bf5 5 Ng3 Bg6 6 h4 h6 7 Nf3 Nd7 |
| B20 | Sicilian 1 e4 c5 |
| B21 | Sicilian, 2.f4 and 2.d4 1 e4 c5 2 f4 |
| B22 | Sicilian, Alapin 1 e4 c5 2 c3 |
| B23 | Sicilian, Closed 1 e4 c5 2 Nc3 |
| B24 | Sicilian, Closed 1 e4 c5 2 Nc3 Nc6 3 g3 |
| B25 | Sicilian, Closed 1 e4 c5 2 Nc3 Nc6 3 g3 g6 4 Bg2 Bg7 5 d3 d6 |
| B26 | Sicilian, Closed, 6.Be3 1 e4 c5 2 Nc3 Nc6 3 g3 g6 4 Bg2 Bg7 5 d3 d6 6 Be3 |
| B27 | Sicilian 1 e4 c5 2 Nf3 |
| B28 | Sicilian, O'Kelly Variation 1 e4 c5 2 Nf3 a6 |
| B29 | Sicilian, Nimzovich-Rubinstein 1 e4 c5 2 Nf3 Nf6 |
| B30 | Sicilian 1 e4 c5 2 Nf3 Nc6 |
| B31 | Sicilian, Rossolimo Variation 1 e4 c5 2 Nf3 Nc6 3 Bb5 g6 |
| B32 | Sicilian 1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 e5 |
| B33 | Sicilian 1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 |
| B34 | Sicilian, Accelerated Fianchetto 1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 g6 5 Nxc6 |
| B35 | Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 g6 5 Nc3 Bg7 6 Be3 Nf6 7 Bc4 |
| B36 | Sicilian, Accelerated Fianchetto 1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 g6 5 c4 |
| B37 | Sicilian, Accelerated Fianchetto 1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 g6 5 c4 Bg7 |
| B38 | Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 g6 5 c4 Bg7 6 Be3 |
| B39 | Sicilian, Accelerated Fianchetto, Breyer Variation 1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 g6 5 c4 Bg7 6 Be3 Nf6 7 Nc3 Ng4 |
| B40 | Sicilian 1 e4 c5 2 Nf3 e6 |
| B41 | Sicilian, Kan 1 e4 c5 2 Nf3 e6 3 d4 cxd4 4 Nxd4 a6 |
| B42 | Sicilian, Kan 1 e4 c5 2 Nf3 e6 3 d4 cxd4 4 Nxd4 a6 5 Bd3 |
| B43 | Sicilian, Kan, 5.Nc3 1 e4 c5 2 Nf3 e6 3 d4 cxd4 4 Nxd4 a6 5 Nc3 |
| B44 | Sicilian 1 e4 c5 2 Nf3 e6 3 d4 cxd4 4 Nxd4 Nc6 |
| B45 | Sicilian, Taimanov 1 e4 c5 2 Nf3 e6 3 d4 cxd4 4 Nxd4 Nc6 5 Nc3 |
| B46 | Sicilian, Taimanov Variation 1 e4 c5 2 Nf3 e6 3 d4 cxd4 4 Nxd4 Nc6 5 Nc3 a6 |
| B47 | Sicilian, Taimanov (Bastrikov) Variation 1 e4 c5 2 Nf3 e6 3 d4 cxd4 4 Nxd4 Nc6 5 Nc3 Qc7 |
| B48 | Sicilian, Taimanov Variation 1 e4 c5 2 Nf3 e6 3 d4 cxd4 4 Nxd4 Nc6 5 Nc3 Qc7 6 Be3 |
| B49 | Sicilian, Taimanov Variation 1 e4 c5 2 Nf3 e6 3 d4 cxd4 4 Nxd4 Nc6 5 Nc3 Qc7 6 Be3 a6 7 Be2 |
| B50 | Sicilian 1 e4 c5 2 Nf3 d6 |
| B51 | Sicilian, Canal-Sokolsky (Rossolimo) Attack 1 e4 c5 2 Nf3 d6 3 Bb5+ |
| B52 | Sicilian, Canal-Sokolsky (Rossolimo) Attack 1 e4 c5 2 Nf3 d6 3 Bb5+ Bd7 |
| B53 | Sicilian 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Qxd4 |
| B54 | Sicilian 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 |
| B55 | Sicilian, Prins Variation, Venice Attack 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3 e5 6 Bb5+ |
| B56 | Sicilian 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 |
| B57 | Sicilian 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 Nc6 6 Bc4 |
| B58 | Sicilian 1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 d6 6 Be2 |
| B59 | Sicilian, Boleslavsky Variation, 7.Nb3 1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 d6 6 Be2 e5 7 Nb3 |
| B60 | Sicilian, Richter-Rauzer 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 Nc6 6 Bg5 |
| B61 | Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 Nc6 6 Bg5 Bd7 7 Qd2 |
| B62 | Sicilian, Richter-Rauzer 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 Nc6 6 Bg5 e6 |
| B63 | Sicilian, Richter-Rauzer Attack 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 Nc6 6 Bg5 e6 7 Qd2 |
| B64 | Sicilian, Richter-Rauzer Attack 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 | Sicilian, Richter-Rauzer Attack, 7...Be7 Defense, 9...Nxd4 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 | Sicilian, Richter-Rauzer Attack, 7...a6 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 Nc6 6 Bg5 e6 7 Qd2 a6 |
| B67 | Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 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 | Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 9...Be7 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 | Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 11.Bxf6 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 | Sicilian, Dragon Variation 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 g6 |
| B71 | Sicilian, Dragon, Levenfish Variation 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 g6 6 f4 |
| B72 | Sicilian, Dragon 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 g6 6 Be3 |
| B73 | Sicilian, Dragon, Classical 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 g6 6 Be3 Bg7 7 Be2 Nc6 8 O-O |
| B74 | Sicilian, Dragon, Classical 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 |
| B75 | Sicilian, Dragon, Yugoslav Attack 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 g6 6 Be3 Bg7 7 f3 |
| B76 | Sicilian, Dragon, Yugoslav Attack 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 g6 6 Be3 Bg7 7 f3 O-O |
| B77 | Sicilian, Dragon, Yugoslav Attack 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 |
| B78 | Sicilian, Dragon, Yugoslav Attack, 10.castle long 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 | Sicilian, Dragon, Yugoslav Attack, 12.h4 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 11 Bb3 Rfc8 12 h4 |
| B80 | Sicilian, Scheveningen 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 e6 |
| B81 | Sicilian, Scheveningen, Keres Attack 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 e6 6 g4 |
| B82 | Sicilian, Scheveningen 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 e6 6 f4 |
| B83 | Sicilian 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 e6 6 Be2 |
| B84 | Sicilian, Scheveningen 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 e6 6 Be2 a6 |
| B85 | Sicilian, Scheveningen, Classical 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 | Sicilian, Fischer-Sozin Attack 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 e6 6 Bc4 |
| B87 | Sicilian, Fischer-Sozin with ...a6 and ...b5 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 e6 6 Bc4 a6 7 Bb3 b5 |
| B88 | Sicilian, Fischer-Sozin Attack 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 e6 6 Bc4 Nc6 |
| B89 | Sicilian 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 e6 6 Bc4 Nc6 7 Be3 |
| B90 | Sicilian, Najdorf 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 |
| B91 | Sicilian, Najdorf, Zagreb (Fianchetto) Variation 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 6 g3 |
| B92 | Sicilian, Najdorf, Opocensky Variation 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 6 Be2 |
| B93 | Sicilian, Najdorf, 6.f4 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 6 f4 |
| B94 | Sicilian, Najdorf 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 6 Bg5 |
| B95 | Sicilian, Najdorf, 6...e6 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 6 Bg5 e6 |
| B96 | Sicilian, Najdorf 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 6 Bg5 e6 7 f4 |
| B97 | Sicilian, Najdorf 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 6 Bg5 e6 7 f4 Qb6 |
| B98 | Sicilian, Najdorf 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 6 Bg5 e6 7 f4 Be7 |
| B99 | Sicilian, Najdorf, 7...Be7 Main line 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 | French Defense 1 e4 e6 |
| C01 | French, Exchange 1 e4 e6 2 d4 d5 3 exd5 exd5 4 Nc3 Nf6 5 Bg5 |
| C02 | French, Advance 1 e4 e6 2 d4 d5 3 e5 |
| C03 | French, Tarrasch 1 e4 e6 2 d4 d5 3 Nd2 |
| C04 | French, Tarrasch, Guimard Main line 1 e4 e6 2 d4 d5 3 Nd2 Nc6 4 Ngf3 Nf6 |
| C05 | French, Tarrasch 1 e4 e6 2 d4 d5 3 Nd2 Nf6 |
| C06 | French, Tarrasch 1 e4 e6 2 d4 d5 3 Nd2 Nf6 4 e5 Nfd7 5 Bd3 c5 6 c3 Nc6 7 Ne2 cxd4 8 cxd4 |
| C07 | French, Tarrasch 1 e4 e6 2 d4 d5 3 Nd2 c5 |
| C08 | French, Tarrasch, Open, 4.ed ed 1 e4 e6 2 d4 d5 3 Nd2 c5 4 exd5 exd5 |
| C09 | French, Tarrasch, Open Variation, Main line 1 e4 e6 2 d4 d5 3 Nd2 c5 4 exd5 exd5 5 Ngf3 Nc6 |
| C10 | French 1 e4 e6 2 d4 d5 3 Nc3 |
| C11 | French 1 e4 e6 2 d4 d5 3 Nc3 Nf6 |
| C12 | French, McCutcheon 1 e4 e6 2 d4 d5 3 Nc3 Nf6 4 Bg5 Bb4 |
| C13 | French 1 e4 e6 2 d4 d5 3 Nc3 Nf6 4 Bg5 Be7 |
| C14 | French, Classical 1 e4 e6 2 d4 d5 3 Nc3 Nf6 4 Bg5 Be7 5 e5 Nfd7 6 Bxe7 Qxe7 |
| C15 | French, Winawer 1 e4 e6 2 d4 d5 3 Nc3 Bb4 |
| C16 | French, Winawer 1 e4 e6 2 d4 d5 3 Nc3 Bb4 4 e5 |
| C17 | French, Winawer, Advance 1 e4 e6 2 d4 d5 3 Nc3 Bb4 4 e5 c5 |
| C18 | French, Winawer 1 e4 e6 2 d4 d5 3 Nc3 Bb4 4 e5 c5 5 a3 Bxc3+ 6 bxc3 |
| C19 | French, Winawer, Advance 1 e4 e6 2 d4 d5 3 Nc3 Bb4 4 e5 c5 5 a3 Bxc3+ 6 bxc3 Ne7 |
| C20 | King's Pawn Game 1 e4 e5 |
| C21 | Center Game 1 e4 e5 2 d4 exd4 |
| C22 | Center Game 1 e4 e5 2 d4 exd4 3 Qxd4 Nc6 |
| C23 | Bishop's Opening 1 e4 e5 2 Bc4 |
| C24 | Bishop's Opening 1 e4 e5 2 Bc4 Nf6 |
| C25 | Vienna 1 e4 e5 2 Nc3 |
| C26 | Vienna 1 e4 e5 2 Nc3 Nf6 |
| C27 | Vienna Game 1 e4 e5 2 Nc3 Nf6 3 Bc4 Nxe4 |
| C28 | Vienna Game 1 e4 e5 2 Nc3 Nf6 3 Bc4 Nc6 |
| C29 | Vienna Gambit 1 e4 e5 2 Nc3 Nf6 3 f4 |
| C30 | King's Gambit Declined 1 e4 e5 2 f4 |
| C31 | King's Gambit Declined, Falkbeer Counter Gambit 1 e4 e5 2 f4 d5 |
| C32 | King's Gambit Declined, Falkbeer Counter Gambit 1 e4 e5 2 f4 d5 3 exd5 e4 4 d3 Nf6 |
| C33 | King's Gambit Accepted 1 e4 e5 2 f4 exf4 |
| C34 | King's Gambit Accepted 1 e4 e5 2 f4 exf4 3 Nf3 |
| C35 | King's Gambit Accepted, Cunningham 1 e4 e5 2 f4 exf4 3 Nf3 Be7 |
| C36 | King's Gambit Accepted, Abbazia Defense 1 e4 e5 2 f4 exf4 3 Nf3 d5 |
| C37 | King's Gambit Accepted 1 e4 e5 2 f4 exf4 3 Nf3 g5 4 Nc3 |
| C38 | King's Gambit Accepted 1 e4 e5 2 f4 exf4 3 Nf3 g5 4 Bc4 Bg7 |
| C39 | King's Gambit Accepted 1 e4 e5 2 f4 exf4 3 Nf3 g5 4 h4 |
| C40 | King's Knight Opening 1 e4 e5 2 Nf3 |
| C41 | Philidor Defense 1 e4 e5 2 Nf3 d6 |
| C42 | Petrov Defense 1 e4 e5 2 Nf3 Nf6 |
| C43 | Petrov, Modern Attack 1 e4 e5 2 Nf3 Nf6 3 d4 exd4 4 e5 Ne4 5 Qxd4 |
| C44 | King's Pawn Game 1 e4 e5 2 Nf3 Nc6 |
| C45 | Scotch Game 1 e4 e5 2 Nf3 Nc6 3 d4 exd4 4 Nxd4 |
| C46 | Three Knights 1 e4 e5 2 Nf3 Nc6 3 Nc3 |
| C47 | Four Knights 1 e4 e5 2 Nf3 Nc6 3 Nc3 Nf6 |
| C48 | Four Knights 1 e4 e5 2 Nf3 Nc6 3 Nc3 Nf6 4 Bb5 |
| C49 | Four Knights 1 e4 e5 2 Nf3 Nc6 3 Nc3 Nf6 4 Bb5 Bb4 |
| C50 | Giuoco Piano 1 e4 e5 2 Nf3 Nc6 3 Bc4 Bc5 |
| C51 | Evans Gambit 1 e4 e5 2 Nf3 Nc6 3 Bc4 Bc5 4 b4 |
| C52 | Evans Gambit 1 e4 e5 2 Nf3 Nc6 3 Bc4 Bc5 4 b4 Bxb4 5 c3 Ba5 |
| C53 | Giuoco Piano 1 e4 e5 2 Nf3 Nc6 3 Bc4 Bc5 4 c3 |
| C54 | Giuoco Piano 1 e4 e5 2 Nf3 Nc6 3 Bc4 Bc5 4 c3 Nf6 5 d4 exd4 6 cxd4 |
| C55 | Two Knights Defense 1 e4 e5 2 Nf3 Nc6 3 Bc4 Nf6 |
| C56 | Two Knights 1 e4 e5 2 Nf3 Nc6 3 Bc4 Nf6 4 d4 exd4 5 O-O Nxe4 |
| C57 | Two Knights 1 e4 e5 2 Nf3 Nc6 3 Bc4 Nf6 4 Ng5 |
| C58 | Two Knights 1 e4 e5 2 Nf3 Nc6 3 Bc4 Nf6 4 Ng5 d5 5 exd5 Na5 |
| C59 | Two Knights 1 e4 e5 2 Nf3 Nc6 3 Bc4 Nf6 4 Ng5 d5 5 exd5 Na5 6 Bb5+ c6 7 dxc6 bxc6 8 Be2 h6 |
| C60 | Ruy Lopez 1 e4 e5 2 Nf3 Nc6 3 Bb5 |
| C61 | Ruy Lopez, Bird's Defense 1 e4 e5 2 Nf3 Nc6 3 Bb5 Nd4 |
| C62 | Ruy Lopez, Old Steinitz Defense 1 e4 e5 2 Nf3 Nc6 3 Bb5 d6 |
| C63 | Ruy Lopez, Schliemann Defense 1 e4 e5 2 Nf3 Nc6 3 Bb5 f5 |
| C64 | Ruy Lopez, Classical 1 e4 e5 2 Nf3 Nc6 3 Bb5 Bc5 |
| C65 | Ruy Lopez, Berlin Defense 1 e4 e5 2 Nf3 Nc6 3 Bb5 Nf6 |
| C66 | Ruy Lopez 1 e4 e5 2 Nf3 Nc6 3 Bb5 Nf6 4 O-O d6 |
| C67 | Ruy Lopez 1 e4 e5 2 Nf3 Nc6 3 Bb5 Nf6 4 O-O Nxe4 |
| C68 | Ruy Lopez, Exchange 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Bxc6 |
| C69 | Ruy Lopez, Exchange, Gligoric Variation 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Bxc6 dc 5 O-O f6 |
| C70 | Ruy Lopez 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 |
| C71 | Ruy Lopez 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 d6 |
| C72 | Ruy Lopez, Modern Steinitz Defense, 5.O-O 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 d6 5 O-O |
| C73 | Ruy Lopez, Modern Steinitz Defense 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 d6 5 Bxc6+ bxc6 6 d4 |
| C74 | Ruy Lopez, Modern Steinitz Defense 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 d6 5 c3 |
| C75 | Ruy Lopez, Modern Steinitz Defense 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 d6 5 c3 Bd7 |
| C76 | Ruy Lopez, Modern Steinitz Defense, Fianchetto Variation 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 d6 5 c3 Bd7 6 d4 g6 |
| C77 | Ruy Lopez 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 |
| C78 | Ruy Lopez 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O |
| C79 | Ruy Lopez, Steinitz Defense Deferred 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O d6 |
| C80 | Ruy Lopez, Open 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Nxe4 |
| C81 | Ruy Lopez, Open, Howell Attack 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Nxe4 6 d4 b5 7 Bb3 d5 8 dxe5 Be6 9 Qe2 |
| C82 | Ruy Lopez, Open 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Nxe4 6 d4 b5 7 Bb3 d5 8 dxe5 Be6 9 c3 |
| C83 | Ruy Lopez, Open 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Nxe4 6 d4 b5 7 Bb3 d5 8 dxe5 Be6 |
| C84 | Ruy Lopez, Closed 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 |
| C85 | Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Bxc6 dxc6 |
| C86 | Ruy Lopez, Worrall Attack 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Qe2 |
| C87 | Ruy Lopez 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 d6 |
| C88 | Ruy Lopez 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 |
| C89 | Ruy Lopez, Marshall 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 O-O 8 c3 d5 |
| C90 | Ruy Lopez, Closed 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 O-O 8 c3 d6 |
| C91 | Ruy Lopez, Closed 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 O-O 8 c3 d6 9 d4 |
| C92 | Ruy Lopez, Closed 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 O-O 8 c3 d6 9 h3 |
| C93 | Ruy Lopez, Closed, Smyslov Defense 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 O-O 8 c3 d6 9 h3 h6 |
| C94 | Ruy Lopez, Closed, Breyer Defense 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 O-O 8 c3 d6 9 h3 Nb8 |
| C95 | Ruy Lopez, Closed, Breyer 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 O-O 8 c3 d6 9 h3 Nb8 10 d4 |
| C96 | Ruy Lopez, Closed 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 O-O 8 c3 d6 9 h3 Na5 10 Bc2 |
| C97 | Ruy Lopez, Closed, Chigorin 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 O-O 8 c3 d6 9 h3 Na5 10 Bc2 c5 11 d4 Qc7 |
| C98 | Ruy Lopez, Closed, Chigorin 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 O-O 8 c3 d6 9 h3 Na5 10 Bc2 c5 11 d4 Qc7 12 Nbd2 Nc6 |
| C99 | Ruy Lopez, Closed, Chigorin, 12...cd 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 O-O Be7 6 Re1 b5 7 Bb3 O-O 8 c3 d6 9 h3 Na5 10 Bc2 c5 11 d4 Qc7 12 Nbd2 cxd4 13 cxd4 |
| D00 | Queen's Pawn Game 1 d4 d5 |
| D01 | Richter-Veresov Attack 1 d4 d5 2 Nc3 Nf6 3 Bg5 |
| D02 | Queen's Pawn Game 1 d4 d5 2 Nf3 |
| D03 | Torre Attack (Tartakower Variation) 1 d4 d5 2 Nf3 Nf6 3 Bg5 |
| D04 | Queen's Pawn Game 1 d4 d5 2 Nf3 Nf6 3 e3 |
| D05 | Queen's Pawn Game 1 d4 d5 2 Nf3 Nf6 3 e3 e6 |
| D06 | Queen's Gambit Declined 1 d4 d5 2 c4 |
| D07 | Queen's Gambit Declined, Chigorin Defense 1 d4 d5 2 c4 Nc6 |
| D08 | Queen's Gambit Declined, Albin Counter Gambit 1 d4 d5 2 c4 e5 |
| D09 | Queen's Gambit Declined, Albin Counter Gambit, 5.g3 1 d4 d5 2 c4 e5 3 dxe5 d4 4 Nf3 Nc6 5 g3 |
| D10 | Queen's Gambit Declined Slav 1 d4 d5 2 c4 c6 |
| D11 | Queen's Gambit Declined Slav 1 d4 d5 2 c4 c6 3 Nf3 |
| D12 | Queen's Gambit Declined Slav 1 d4 d5 2 c4 c6 3 Nf3 Nf6 4 e3 Bf5 |
| D13 | Queen's Gambit Declined Slav, Exchange Variation 1 d4 d5 2 c4 c6 3 Nf3 Nf6 4 cxd5 cxd5 |
| D14 | Queen's Gambit Declined Slav, Exchange Variation 1 d4 d5 2 c4 c6 3 Nf3 Nf6 4 cxd5 cxd5 5 Nc3 Nc6 6 Bf4 Bf5 |
| D15 | Queen's Gambit Declined Slav 1 d4 d5 2 c4 c6 3 Nf3 Nf6 4 Nc3 |
| D16 | Queen's Gambit Declined Slav 1 d4 d5 2 c4 c6 3 Nf3 Nf6 4 Nc3 dxc4 5 a4 |
| D17 | Queen's Gambit Declined Slav 1 d4 d5 2 c4 c6 3 Nf3 Nf6 4 Nc3 dxc4 5 a4 Bf5 |
| D18 | Queen's Gambit Declined Slav, Dutch 1 d4 d5 2 c4 c6 3 Nf3 Nf6 4 Nc3 dxc4 5 a4 Bf5 6 e3 |
| D19 | Queen's Gambit Declined Slav, Dutch 1 d4 d5 2 c4 c6 3 Nf3 Nf6 4 Nc3 dxc4 5 a4 Bf5 6 e3 e6 7 Bxc4 Bb4 8 O-O O-O 9 Qe2 |
| D20 | Queen's Gambit Accepted 1 d4 d5 2 c4 dxc4 |
| D21 | Queen's Gambit Accepted 1 d4 d5 2 c4 dxc4 3 Nf3 |
| D22 | Queen's Gambit Accepted 1 d4 d5 2 c4 dxc4 3 Nf3 a6 4 e3 Bg4 5 Bxc4 e6 6 d5 |
| D23 | Queen's Gambit Accepted 1 d4 d5 2 c4 dxc4 3 Nf3 Nf6 |
| D24 | Queen's Gambit Accepted 1 d4 d5 2 c4 dxc4 3 Nf3 Nf6 4 Nc3 |
| D25 | Queen's Gambit Accepted 1 d4 d5 2 c4 dxc4 3 Nf3 Nf6 4 e3 |
| D26 | Queen's Gambit Accepted 1 d4 d5 2 c4 dxc4 3 Nf3 Nf6 4 e3 e6 |
| D27 | Queen's Gambit Accepted, Classical 1 d4 d5 2 c4 dxc4 3 Nf3 Nf6 4 e3 e6 5 Bxc4 c5 6 O-O a6 |
| D28 | Queen's Gambit Accepted, Classical 1 d4 d5 2 c4 dxc4 3 Nf3 Nf6 4 e3 e6 5 Bxc4 c5 6 O-O a6 7 Qe2 |
| D29 | Queen's Gambit Accepted, Classical 1 d4 d5 2 c4 dxc4 3 Nf3 Nf6 4 e3 e6 5 Bxc4 c5 6 O-O a6 7 Qe2 b5 8 Bb3 Bb7 |
| D30 | Queen's Gambit Declined 1 d4 d5 2 c4 e6 |
| D31 | Queen's Gambit Declined 1 d4 d5 2 c4 e6 3 Nc3 |
| D32 | Queen's Gambit Declined, Tarrasch 1 d4 d5 2 c4 e6 3 Nc3 c5 |
| D33 | Queen's Gambit Declined, Tarrasch 1 d4 d5 2 c4 e6 3 Nc3 c5 4 cxd5 exd5 5 Nf3 Nc6 6 g3 |
| D34 | Queen's Gambit Declined, Tarrasch 1 d4 d5 2 c4 e6 3 Nc3 c5 4 cxd5 exd5 5 Nf3 Nc6 6 g3 Nf6 7 Bg2 Be7 |
| D35 | Queen's Gambit Declined 1 d4 d5 2 c4 e6 3 Nc3 Nf6 |
| D36 | Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 cxd5 exd5 5 Bg5 c6 6 Qc2 |
| D37 | Queen's Gambit Declined 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 |
| D38 | Queen's Gambit Declined, Ragozin Variation 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 Bb4 |
| D39 | Queen's Gambit Declined, Ragozin, Vienna Variation 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 Bb4 5 Bg5 dxc4 |
| D40 | Queen's Gambit Declined, Semi-Tarrasch 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 c5 |
| D41 | Queen's Gambit Declined, Semi-Tarrasch 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 c5 5 cxd5 |
| D42 | Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 c5 5 cxd5 Nxd5 6 e3 Nc6 7 Bd3 |
| D43 | Queen's Gambit Declined Semi-Slav 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 c6 |
| D44 | Queen's Gambit Declined Semi-Slav 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 c6 5 Bg5 dxc4 |
| D45 | Queen's Gambit Declined Semi-Slav 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 c6 5 e3 |
| D46 | Queen's Gambit Declined Semi-Slav 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 c6 5 e3 Nbd7 6 Bd3 |
| D47 | Queen's Gambit Declined Semi-Slav 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 c6 5 e3 Nbd7 6 Bd3 dxc4 7 Bxc4 |
| D48 | Queen's Gambit Declined Semi-Slav, Meran 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 c6 5 e3 Nbd7 6 Bd3 dxc4 7 Bxc4 b5 8 Bd3 a6 |
| D49 | Queen's Gambit Declined Semi-Slav, Meran 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 c6 5 e3 Nbd7 6 Bd3 dxc4 7 Bxc4 b5 8 Bd3 a6 9 e4 c5 10 e5 cxd4 11 Nxb5 |
| D50 | Queen's Gambit Declined 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 |
| D51 | Queen's Gambit Declined 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Nbd7 |
| D52 | Queen's Gambit Declined 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Nbd7 5 e3 c6 6 Nf3 |
| D53 | Queen's Gambit Declined 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 |
| D54 | Queen's Gambit Declined, Anti-Neo-Orthodox Variation 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Rc1 |
| D55 | Queen's Gambit Declined 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 |
| D56 | Queen's Gambit Declined 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 h6 7 Bh4 |
| D57 | Queen's Gambit Declined, Lasker Defense 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 h6 7 Bh4 Ne4 8 Bxe7 Qxe7 |
| D58 | Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) System 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 h6 7 Bh4 b6 |
| D59 | Queen's Gambit Declined, Tartakower 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 h6 7 Bh4 b6 8 cxd5 Nxd5 |
| D60 | Queen's Gambit Declined, Orthodox Defense 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 Nbd7 |
| D61 | Queen's Gambit Declined, Orthodox, Rubinstein Attack 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 Nbd7 7 Qc2 |
| D62 | Queen's Gambit Declined, Orthodox, Rubinstein Attack 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 Nbd7 7 Qc2 c5 8 cxd5 |
| D63 | Queen's Gambit Declined, Orthodox Defense 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 Nbd7 7 Rc1 |
| D64 | Queen's Gambit Declined, Orthodox, Rubinstein Attack 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 Nbd7 7 Rc1 c6 8 Qc2 |
| D65 | Queen's Gambit Declined, Orthodox, Rubinstein Attack, Main line 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 Nbd7 7 Rc1 c6 8 Qc2 a6 9 cxd5 |
| D66 | Queen's Gambit Declined, Orthodox Defense, Bd3 line 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 Nbd7 7 Rc1 c6 8 Bd3 |
| D67 | Queen's Gambit Declined, Orthodox Defense, Bd3 line 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 Nbd7 7 Rc1 c6 8 Bd3 dxc4 9 Bxc4 Nd5 |
| D68 | Queen's Gambit Declined, Orthodox Defense, Classical 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 Nbd7 7 Rc1 c6 8 Bd3 dxc4 |
| D69 | Queen's Gambit Declined, Orthodox Defense, Classical, 13.de 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Bg5 Be7 5 e3 O-O 6 Nf3 Nbd7 7 Rc1 c6 8 Bd3 dxc4 |
| D70 | Neo-Grunfeld Defense 1 d4 Nf6 2 c4 g6 3 f3 d5 |
| D71 | Neo-Grunfeld 1 d4 Nf6 2 c4 g6 3 g3 d5 |
| D72 | Neo-Grunfeld, 5.cd, Main line 1 d4 Nf6 2 c4 g6 3 g3 d5 4 Bg2 Bg7 5 cxd5 Nxd5 6 e4 Nb6 7 Ne2 |
| D73 | Neo-Grunfeld, 5.Nf3 1 d4 Nf6 2 c4 g6 3 g3 d5 4 Bg2 Bg7 5 Nf3 |
| D74 | Neo-Grunfeld, 6.cd Nxd5, 7.O-O 1 d4 Nf6 2 c4 g6 3 g3 d5 4 Bg2 Bg7 5 Nf3 O-O 6 cxd5 Nxd5 7 O-O |
| D75 | Neo-Grunfeld, 6.cd Nxd5, 7.O-O c5, 8.dxc5 1 d4 Nf6 2 c4 g6 3 g3 d5 4 Bg2 Bg7 5 Nf3 O-O 6 cxd5 Nxd5 7 O-O c5 8 dxc5 |
| D76 | Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 1 d4 Nf6 2 c4 g6 3 g3 d5 4 Bg2 Bg7 5 Nf3 O-O 6 cxd5 Nxd5 7 O-O Nb6 |
| D77 | Neo-Grunfeld, 6.O-O 1 d4 Nf6 2 c4 g6 3 g3 d5 4 Bg2 Bg7 5 Nf3 O-O 6 O-O |
| D78 | Neo-Grunfeld, 6.O-O c6 1 d4 Nf6 2 c4 g6 3 g3 d5 4 Bg2 Bg7 5 Nf3 O-O 6 O-O c6 |
| D79 | Neo-Grunfeld, 6.O-O, Main line 1 d4 Nf6 2 c4 g6 3 g3 d5 4 Bg2 Bg7 5 Nf3 O-O 6 O-O c6 7 cxd5 cxd5 |
| D80 | Grunfeld 1 d4 Nf6 2 c4 g6 3 Nc3 d5 |
| D81 | Grunfeld, Russian Variation 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Qb3 |
| D82 | Grunfeld, 4.Bf4 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Bf4 |
| D83 | Grunfeld, Grunfeld Gambit 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Bf4 Bg7 5 e3 O-O |
| D84 | Grunfeld, Grunfeld Gambit Accepted 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Bf4 Bg7 5 e3 O-O 6 cxd5 Nxd5 7 Nxd5 Qxd5 8 Bxc7 |
| D85 | Grunfeld 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 cxd5 Nxd5 |
| D86 | Grunfeld, Exchange 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 cxd5 Nxd5 5 e4 Nxc3 6 bxc3 Bg7 7 Bc4 |
| D87 | Grunfeld, Exchange 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 cxd5 Nxd5 5 e4 Nxc3 6 bxc3 Bg7 7 Bc4 O-O 8 Ne2 c5 |
| D88 | Grunfeld, Spassky Variation, Main line, 10...cd, 11.cd 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 cxd5 Nxd5 5 e4 Nxc3 6 bxc3 Bg7 7 Bc4 O-O 8 Ne2 |
| D89 | Grunfeld 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 cxd5 Nxd5 5 e4 Nxc3 6 bxc3 Bg7 7 Bc4 O-O 8 Ne2 |
| D90 | Grunfeld 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Nf3 |
| D91 | Grunfeld, 5.Bg5 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Nf3 Bg7 5 Bg5 |
| D92 | Grunfeld, 5.Bf4 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Nf3 Bg7 5 Bf4 |
| D93 | Grunfeld, with Bf4 & e3 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Nf3 Bg7 5 Bf4 O-O 6 e3 |
| D94 | Grunfeld 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Nf3 Bg7 5 e3 |
| D95 | Grunfeld 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Nf3 Bg7 5 e3 O-O 6 Qb3 |
| D96 | Grunfeld, Russian Variation 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Nf3 Bg7 5 Qb3 |
| D97 | Grunfeld, Russian 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Nf3 Bg7 5 Qb3 dxc4 6 Qxc4 O-O 7 e4 |
| D98 | Grunfeld, Russian 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Nf3 Bg7 5 Qb3 dxc4 6 Qxc4 O-O 7 e4 Bg4 |
| D99 | Grunfeld Defense, Smyslov 1 d4 Nf6 2 c4 g6 3 Nc3 d5 4 Nf3 Bg7 5 Qb3 dxc4 6 Qxc4 O-O 7 e4 Bg4 8 Be3 |
| E00 | Queen's Pawn Game 1 d4 Nf6 2 c4 e6 |
| E01 | Catalan, Closed 1 d4 Nf6 2 c4 e6 3 g3 d5 4 Bg2 |
| E02 | Catalan, Open, 5.Qa4 1 d4 Nf6 2 c4 e6 3 g3 d5 4 Bg2 dxc4 5 Qa4+ |
| E03 | Catalan, Open 1 d4 Nf6 2 c4 e6 3 g3 d5 4 Bg2 dxc4 5 Qa4+ Nbd7 6 Qxc4 |
| E04 | Catalan, Open, 5.Nf3 1 d4 Nf6 2 c4 e6 3 g3 d5 4 Bg2 dxc4 5 Nf3 |
| E05 | Catalan, Open, Classical line 1 d4 Nf6 2 c4 e6 3 g3 d5 4 Bg2 dxc4 5 Nf3 Be7 |
| E06 | Catalan, Closed, 5.Nf3 1 d4 Nf6 2 c4 e6 3 g3 d5 4 Bg2 Be7 5 Nf3 |
| E07 | Catalan, Closed 1 d4 Nf6 2 c4 e6 3 g3 d5 4 Bg2 Be7 5 Nf3 O-O 6 O-O Nbd7 |
| E08 | Catalan, Closed 1 d4 Nf6 2 c4 e6 3 g3 d5 4 Bg2 Be7 5 Nf3 O-O 6 O-O Nbd7 7 Qc2 |
| E09 | Catalan, Closed 1 d4 Nf6 2 c4 e6 3 g3 d5 4 Bg2 Be7 5 Nf3 O-O 6 O-O Nbd7 7 Qc2 c6 8 Nbd2 |
| E10 | Queen's Pawn Game 1 d4 Nf6 2 c4 e6 3 Nf3 |
| E11 | Bogo-Indian Defense 1 d4 Nf6 2 c4 e6 3 Nf3 Bb4+ |
| E12 | Queen's Indian 1 d4 Nf6 2 c4 e6 3 Nf3 b6 |
| E13 | Queen's Indian, 4.Nc3, Main line 1 d4 Nf6 2 c4 e6 3 Nf3 b6 4 Nc3 Bb7 5 Bg5 h6 6 Bh4 Bb4 |
| E14 | Queen's Indian 1 d4 Nf6 2 c4 e6 3 Nf3 b6 4 e3 |
| E15 | Queen's Indian 1 d4 Nf6 2 c4 e6 3 Nf3 b6 4 g3 |
| E16 | Queen's Indian 1 d4 Nf6 2 c4 e6 3 Nf3 b6 4 g3 Bb7 5 Bg2 Bb4+ |
| E17 | Queen's Indian 1 d4 Nf6 2 c4 e6 3 Nf3 b6 4 g3 Bb7 5 Bg2 Be7 |
| E18 | Queen's Indian, Old Main line, 7.Nc3 1 d4 Nf6 2 c4 e6 3 Nf3 b6 4 g3 Bb7 5 Bg2 Be7 6 O-O O-O 7 Nc3 |
| E19 | Queen's Indian, Old Main line, 9.Qxc3 1 d4 Nf6 2 c4 e6 3 Nf3 b6 4 g3 Bb7 5 Bg2 Be7 6 O-O O-O 7 Nc3 Ne4 8 Qc2 Nxc3 |
| E20 | Nimzo-Indian 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 |
| E21 | Nimzo-Indian, Three Knights 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Nf3 |
| E22 | Nimzo-Indian, Spielmann Variation 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Qb3 |
| E23 | Nimzo-Indian, Spielmann 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Qb3 c5 5 dxc5 Nc6 |
| E24 | Nimzo-Indian, Samisch 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 a3 Bxc3+ 5 bxc3 |
| E25 | Nimzo-Indian, Samisch 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 a3 Bxc3+ 5 bxc3 c5 6 f3 d5 7 cxd5 |
| E26 | Nimzo-Indian, Samisch 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 a3 Bxc3+ 5 bxc3 c5 6 e3 |
| E27 | Nimzo-Indian, Samisch Variation 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 a3 Bxc3+ 5 bxc3 O-O |
| E28 | Nimzo-Indian, Samisch Variation 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 a3 Bxc3+ 5 bxc3 O-O 6 e3 |
| E29 | Nimzo-Indian, Samisch 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 a3 Bxc3+ 5 bxc3 O-O 6 e3 c5 7 Bd3 Nc6 |
| E30 | Nimzo-Indian, Leningrad 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Bg5 |
| E31 | Nimzo-Indian, Leningrad, Main line 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Bg5 h6 5 Bh4 c5 6 d5 d6 |
| E32 | Nimzo-Indian, Classical 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Qc2 |
| E33 | Nimzo-Indian, Classical 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Qc2 Nc6 |
| E34 | Nimzo-Indian, Classical, Noa Variation 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Qc2 d5 |
| E35 | Nimzo-Indian, Classical, Noa Variation, 5.cd ed 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Qc2 d5 5 cxd5 exd5 |
| E36 | Nimzo-Indian, Classical 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Qc2 d5 5 a3 |
| E37 | Nimzo-Indian, Classical 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Qc2 d5 5 a3 Bxc3+ 6 Qxc3 Ne4 7 Qc2 |
| E38 | Nimzo-Indian, Classical, 4...c5 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Qc2 c5 |
| E39 | Nimzo-Indian, Classical, Pirc Variation 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Qc2 c5 5 dxc5 O-O |
| E40 | Nimzo-Indian, 4.e3 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 |
| E41 | Nimzo-Indian 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 c5 |
| E42 | Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 c5 5 Ne2 |
| E43 | Nimzo-Indian, Fischer Variation 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 b6 |
| E44 | Nimzo-Indian, Fischer Variation, 5.Ne2 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 b6 5 Ne2 |
| E45 | Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 b6 5 Ne2 Ba6 |
| E46 | Nimzo-Indian 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O |
| E47 | Nimzo-Indian, 4.e3 O-O 5.Bd3 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Bd3 |
| E48 | Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Bd3 d5 |
| E49 | Nimzo-Indian, 4.e3, Botvinnik System 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3 |
| E50 | Nimzo-Indian, 4.e3 O-O 5.Nf3, without ...d5 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Nf3 |
| E51 | Nimzo-Indian, 4.e3 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Nf3 d5 |
| E52 | Nimzo-Indian, 4.e3, Main line with ...b6 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Nf3 d5 6 Bd3 b6 |
| E53 | Nimzo-Indian, 4.e3 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Nf3 d5 6 Bd3 c5 |
| E54 | Nimzo-Indian, 4.e3, Gligoric System 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Nf3 d5 6 Bd3 c5 7 O-O dxc4 8 Bxc4 |
| E55 | Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Nf3 d5 6 Bd3 c5 7 O-O dxc4 8 Bxc4 Nbd7 |
| E56 | Nimzo-Indian, 4.e3, Main line with 7...Nc6 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Nf3 d5 6 Bd3 c5 7 O-O Nc6 |
| E57 | Nimzo-Indian, 4.e3, Main line with 8...dc and 9...cd 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Nf3 d5 6 Bd3 c5 7 O-O Nc6 8 a3 dxc4 9 Bxc4 |
| E58 | Nimzo-Indian, 4.e3, Main line with 8...Bxc3 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Nf3 d5 6 Bd3 c5 7 O-O Nc6 8 a3 Bxc3 9 bxc3 |
| E59 | Nimzo-Indian, 4.e3, Main line 1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 e3 O-O 5 Nf3 d5 6 Bd3 c5 7 O-O Nc6 8 a3 Bxc3 9 bxc3 dxc4 10 Bxc4 |
| E60 | King's Indian Defense 1 d4 Nf6 2 c4 g6 |
| E61 | King's Indian 1 d4 Nf6 2 c4 g6 3 Nc3 |
| E62 | King's Indian, Fianchetto 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 Nf3 d6 5 g3 |
| E63 | King's Indian, Fianchetto, Panno Variation 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 Nf3 d6 5 g3 O-O 6 Bg2 Nc6 7 O-O a6 |
| E64 | King's Indian, Fianchetto, Yugoslav System 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 Nf3 d6 5 g3 O-O 6 Bg2 c5 |
| E65 | King's Indian, Fianchetto, Yugoslav, 7.O-O 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 Nf3 d6 5 g3 O-O 6 Bg2 c5 7 O-O |
| E66 | King's Indian, Fianchetto, Yugoslav Panno 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 Nf3 d6 5 g3 O-O 6 Bg2 c5 7 O-O Nc6 8 d5 |
| E67 | King's Indian, Fianchetto 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 Nf3 d6 5 g3 O-O 6 Bg2 Nbd7 |
| E68 | King's Indian, Fianchetto, Classical Variation, 8.e4 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 Nf3 d6 5 g3 O-O 6 Bg2 Nbd7 7 O-O e5 8 e4 |
| E69 | King's Indian, Fianchetto, Classical Main line 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 Nf3 d6 5 g3 O-O 6 Bg2 Nbd7 7 O-O e5 8 e4 c6 9 h3 |
| E70 | King's Indian 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 |
| E71 | King's Indian, Makagonov System (5.h3) 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 h3 |
| E72 | King's Indian 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 g3 |
| E73 | King's Indian 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Be2 |
| E74 | King's Indian, Averbakh, 6...c5 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Be2 O-O 6 Bg5 c5 |
| E75 | King's Indian, Averbakh, Main line 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Be2 O-O 6 Bg5 c5 7 d5 e6 |
| E76 | King's Indian, Four Pawns Attack 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f4 |
| E77 | King's Indian 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f4 O-O 6 Be2 |
| E78 | King's Indian, Four Pawns Attack, with Be2 and Nf3 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f4 O-O 6 Be2 c5 7 Nf3 |
| E79 | King's Indian, Four Pawns Attack, Main line 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f4 O-O 6 Be2 c5 7 Nf3 cxd4 8 Nxd4 Nc6 9 Be3 |
| E80 | King's Indian, Samisch Variation 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f3 |
| E81 | King's Indian, Samisch 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f3 O-O |
| E82 | King's Indian, Samisch, double Fianchetto Variation 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f3 O-O 6 Be3 b6 |
| E83 | King's Indian, Samisch 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f3 O-O 6 Be3 Nc6 |
| E84 | King's Indian, Samisch, Panno Main line 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f3 O-O 6 Be3 Nc6 7 Nge2 a6 8 Qd2 Rb8 |
| E85 | King's Indian, Samisch, Orthodox Variation 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f3 O-O 6 Be3 e5 |
| E86 | King's Indian, Samisch, Orthodox, 7.Nge2 c6 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f3 O-O 6 Be3 e5 7 Nge2 c6 |
| E87 | King's Indian, Samisch, Orthodox 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f3 O-O 6 Be3 e5 7 d5 |
| E88 | King's Indian, Samisch, Orthodox, 7.d5 c6 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f3 O-O 6 Be3 e5 7 d5 c6 |
| E89 | King's Indian, Samisch, Orthodox Main line 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 f3 O-O 6 Be3 e5 7 d5 c6 8 Nge2 cxd5 |
| E90 | King's Indian 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Nf3 |
| E91 | King's Indian 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Nf3 O-O 6 Be2 |
| E92 | King's Indian 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Nf3 O-O 6 Be2 e5 |
| E93 | King's Indian, Petrosian System 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Nf3 O-O 6 Be2 e5 7 d5 Nbd7 |
| E94 | King's Indian, Orthodox 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Nf3 O-O 6 Be2 e5 7 O-O |
| E95 | King's Indian, Orthodox, 7...Nbd7, 8.Re1 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Nf3 O-O 6 Be2 e5 7 O-O Nbd7 8 Re1 |
| E96 | King's Indian, Orthodox, 7...Nbd7, Main line 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Nf3 O-O 6 Be2 e5 7 O-O Nbd7 8 Re1 c6 9 Bf1 a5 |
| E97 | King's Indian 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Nf3 O-O 6 Be2 e5 7 O-O Nc6 |
| E98 | King's Indian, Orthodox, Taimanov, 9.Ne1 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Nf3 O-O 6 Be2 e5 7 O-O Nc6 8 d5 Ne7 9 Ne1 |
| E99 | King's Indian, Orthodox, Taimanov 1 d4 Nf6 2 c4 g6 3 Nc3 Bg7 4 e4 d6 5 Nf3 O-O 6 Be2 e5 7 O-O Nc6 8 d5 Ne7 9 Ne1 Nd7 10 f3 f5 |