CCRL 40/40
Downloads and Statistics
January 3, 2009
|
Testing summary:
Total: 159'438 gamesplayed by 579 programs 22978 CPU days (X2 4600+) White wins: 57'641 (36.2%) Black wins: 43'113 (27.0%) Draws: 58'684 (36.8%) White score: 54.6% |
CCRL 40/40
Downloads and Statistics
January 3, 2009
|
Testing summary:
Total: 159'438 gamesplayed by 579 programs 22978 CPU days (X2 4600+) White wins: 57'641 (36.2%) Black wins: 43'113 (27.0%) Draws: 58'684 (36.8%) White score: 54.6% |
This page shows how many games in our database were played from various openings classified by the Encyclopedia of Chess Openings. The table also shows average draw percentage and white score we observed in our games.
| ECO | Number of games | Draws | White score | Commented PGN | |
| D57 | QGD; Lasker defense, Main line | 3 | 100.0% | 50.0% | 0.00 MB |
| A83 | Dutch, Staunton gambit, Staunton's line | 3 | 100.0% | 50.0% | 0.00 MB |
| C31 | KGD, Falkbeer counter-gambit | 3 | 100.0% | 50.0% | 0.00 MB |
| E03 | Catalan, open, Alekhine variation | 1 | 100.0% | 50.0% | 0.00 MB |
| A98 | Dutch, Ilyin-Genevsky variation with Qc2 | 1 | 100.0% | 50.0% | 0.00 MB |
| A44 | Old Benoni defence | 6 | 83.3% | 58.3% | 0.00 MB |
| E51 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5 | 16 | 75.0% | 50.0% | 0.01 MB |
| C37 | KGA, Quaade gambit | 4 | 75.0% | 37.5% | 0.01 MB |
| B37 | Sicilian, Accelerated Fianchetto, Maroczy bind, 5...Bg7 | 18 | 72.2% | 47.2% | 0.02 MB |
| D81 | Gruenfeld; Russian variation | 7 | 71.4% | 64.3% | 0.01 MB |
| D69 | QGD; Orthodox defense, Classical, 13.dxe5 | 17 | 70.6% | 41.2% | 0.01 MB |
| B55 | Sicilian, Prins variation, Venice attack | 6 | 66.7% | 66.7% | 0.01 MB |
| A94 | Dutch, Stonewall with Ba3 | 6 | 66.7% | 66.7% | 0.01 MB |
| A24 | English Opening, Bremen system with 3...g6 | 11 | 63.6% | 59.1% | 0.01 MB |
| D22 | QGA; Alekhine defense | 20 | 60.0% | 55.0% | 0.02 MB |
| E57 | Nimzo-Indian, 4. e3, Main line with 8...dxc4 and 9...Bxc4 cxd4 | 5 | 60.0% | 30.0% | 0.00 MB |
| D84 | Gruenfeld gambit accepted | 5 | 60.0% | 50.0% | 0.00 MB |
| A87 | Dutch, Leningrad, Main variation | 24 | 58.3% | 58.3% | 0.02 MB |
| A86 | Dutch with 2.c4 & 3.g3 | 14 | 57.1% | 50.0% | 0.01 MB |
| D73 | Neo-Gruenfeld, 5.Nf3 | 84 | 56.0% | 55.4% | 0.07 MB |
| A97 | Dutch, Ilyin-Genevsky variation | 9 | 55.6% | 61.1% | 0.01 MB |
| D71 | Neo-Gruenfeld, 5.cd | 20 | 55.0% | 57.5% | 0.02 MB |
| E47 | Nimzo-Indian, 4.e3 O-O, 5.Bd3 | 51 | 54.9% | 58.8% | 0.04 MB |
| E22 | Nimzo-Indian, Spielmann variation | 11 | 54.5% | 54.5% | 0.01 MB |
| C56 | Two knights defense | 11 | 54.5% | 45.5% | 0.01 MB |
| A69 | Benoni, Four pawns attack, Main line | 13 | 53.8% | 57.7% | 0.01 MB |
| A19 | English, Mikenas-Carls, Sicilian variation | 21 | 52.4% | 50.0% | 0.02 MB |
| E25 | Nimzo-Indian, Saemisch variation, Keres variation | 71 | 52.1% | 48.6% | 0.05 MB |
| D26 | QGA; classical variation | 371 | 52.0% | 53.2% | 0.25 MB |
| A54 | Old Indian, Ukrainian variation | 25 | 52.0% | 66.0% | 0.02 MB |
| D62 | QGD; Orthodox defense, 7.Qc2 c5, 8.cd (Rubinstein) | 35 | 51.4% | 68.6% | 0.03 MB |
| C68 | Ruy Lopez, Exchange variation | 39 | 51.3% | 48.7% | 0.03 MB |
| D94 | Gruenfeld, 5.e3 | 177 | 50.8% | 54.2% | 0.13 MB |
| C09 | French, Tarrasch, Open variation, Main line | 310 | 50.6% | 56.3% | 0.21 MB |
| C08 | French, Tarrasch, Open, 4.exd5 exd5 | 303 | 50.5% | 53.3% | 0.20 MB |
| E34 | Nimzo-Indian, Classical, Noa variation | 159 | 50.3% | 50.3% | 0.11 MB |
| D61 | QGD; Orthodox defense, Rubinstein variation | 48 | 50.0% | 54.2% | 0.04 MB |
| E49 | Nimzo-Indian, 4.e3, Botvinnik system | 38 | 50.0% | 64.5% | 0.03 MB |
| E65 | King's Indian, Yugoslav, 7.O-O | 18 | 50.0% | 52.8% | 0.01 MB |
| A92 | Dutch defense | 10 | 50.0% | 75.0% | 0.01 MB |
| E23 | Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc6 | 10 | 50.0% | 45.0% | 0.01 MB |
| C81 | Ruy Lopez, Open, Howell attack | 10 | 50.0% | 45.0% | 0.01 MB |
| E27 | Nimzo-Indian, Saemisch variation, 5...0-0 | 2 | 50.0% | 25.0% | 0.00 MB |
| E85 | King's Indian, Saemisch, Orthodox variation | 2 | 50.0% | 25.0% | 0.00 MB |
| A82 | Dutch, Staunton gambit | 2 | 50.0% | 75.0% | 0.00 MB |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 180 | 49.4% | 56.9% | 0.12 MB |
| C54 | Guioco piano | 39 | 48.7% | 44.9% | 0.03 MB |
| D77 | Neo-Gruenfeld, 6.O-O | 113 | 48.7% | 53.5% | 0.08 MB |
| C47 | Four knights, Scotch variation | 87 | 48.3% | 51.7% | 0.07 MB |
| D39 | QGD; Ragozin, Vienna variation | 567 | 48.1% | 53.2% | 0.33 MB |
| A55 | Old Indian, Main line | 81 | 48.1% | 63.6% | 0.06 MB |
| D92 | Gruenfeld, 5.Bf4 | 131 | 48.1% | 57.6% | 0.08 MB |
| B72 | Sicilian, Dragon, 6.Be3 | 23 | 47.8% | 50.0% | 0.02 MB |
| A39 | English Opening, Symmetrical, Main line with d4 | 170 | 47.6% | 57.4% | 0.11 MB |
| A14 | English, Neo-Catalan declined | 194 | 47.4% | 53.1% | 0.14 MB |
| C07 | French, Tarrasch, Open variation | 648 | 47.1% | 50.8% | 0.43 MB |
| E24 | Nimzo-Indian, Saemisch variation | 17 | 47.1% | 29.4% | 0.01 MB |
| E55 | Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation | 968 | 47.0% | 54.8% | 0.63 MB |
| D93 | Gruenfeld with 5. Bf4 O-O 6. e3 | 66 | 47.0% | 58.3% | 0.05 MB |
| D52 | QGD | 227 | 46.7% | 54.6% | 0.16 MB |
| D68 | QGD; Orthodox defense, Classical variation | 86 | 46.5% | 55.8% | 0.06 MB |
| E18 | Queen's Indian, Old Main line, 7.Nc3 | 342 | 46.5% | 59.8% | 0.21 MB |
| D88 | Gruenfeld, Spassky variation, Main line, 10...cd, 11.cd | 28 | 46.4% | 55.4% | 0.02 MB |
| D85 | Gruenfeld, exchange variation | 1209 | 46.4% | 53.9% | 0.76 MB |
| D99 | Gruenfeld defense, Smyslov, Main line | 69 | 46.4% | 58.0% | 0.05 MB |
| B13 | Caro-Kann, Exchange variation | 255 | 45.9% | 50.4% | 0.17 MB |
| D64 | QGD; Orthodox defense, Rubinstein attack (with Rc1) | 59 | 45.8% | 53.4% | 0.04 MB |
| D76 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6 | 105 | 45.7% | 55.2% | 0.08 MB |
| D79 | Neo-Gruenfeld, 6.O-O, Main line | 46 | 45.7% | 53.3% | 0.04 MB |
| D41 | QGD; Semi-Tarrasch, 5.cd | 123 | 45.5% | 56.1% | 0.08 MB |
| D51 | QGD; 4.Bg5 Nbd7 | 11 | 45.5% | 59.1% | 0.01 MB |
| D58 | QGD; Tartakower (Makagonov-Bondarevsky) system | 2581 | 45.4% | 52.5% | 1.69 MB |
| E06 | Catalan, Closed, 5.Nf3 | 534 | 45.3% | 53.0% | 0.37 MB |
| D55 | QGD; 6.Nf3 | 197 | 45.2% | 57.1% | 0.14 MB |
| D86 | Gruenfeld, Exchange, Classical variation | 155 | 45.2% | 53.5% | 0.11 MB |
| D98 | Gruenfeld, Russian, Smyslov variation | 62 | 45.2% | 64.5% | 0.04 MB |
| D27 | QGA; classical variation | 1236 | 45.1% | 54.9% | 0.79 MB |
| B39 | Sicilian, Accelerated Fianchetto, Breyer variation | 89 | 44.9% | 53.9% | 0.07 MB |
| C21 | center game | 58 | 44.8% | 70.7% | 0.04 MB |
| D34 | QGD; Tarrasch, 7...Be7 | 371 | 44.7% | 55.0% | 0.25 MB |
| E54 | Nimzo-Indian, 4.e3, Gligoric system with 7...dc | 210 | 44.3% | 55.5% | 0.14 MB |
| C83 | Ruy Lopez, Open, Classical defence | 52 | 44.2% | 54.8% | 0.04 MB |
| B14 | Caro-Kann, Panov-Botvinnik attack, 5...e6 | 502 | 44.2% | 53.8% | 0.33 MB |
| A52 | Budapest defense | 145 | 44.1% | 62.8% | 0.11 MB |
| D96 | Gruenfeld, Russian variation | 25 | 44.0% | 62.0% | 0.02 MB |
| A11 | English, Caro-Kann defensive system | 148 | 43.9% | 56.4% | 0.09 MB |
| D82 | Gruenfeld 4.Bf4 | 73 | 43.8% | 56.2% | 0.05 MB |
| B93 | Sicilian, Najdorf, 6.f4 | 352 | 43.8% | 50.9% | 0.23 MB |
| D78 | Neo-Gruenfeld, 6.O-O c6 | 128 | 43.8% | 52.3% | 0.09 MB |
| D53 | QGD; 4.Bg5 Be7 | 16 | 43.8% | 46.9% | 0.01 MB |
| E83 | King's Indian, Saemisch, 6...Nc6 | 16 | 43.8% | 53.1% | 0.01 MB |
| A12 | English, Caro-Kann defensive system | 71 | 43.7% | 47.2% | 0.06 MB |
| E35 | Nimzo-Indian, Classical, Noa variation, 5. cxd5 exd5 | 76 | 43.4% | 58.6% | 0.06 MB |
| A09 | Reti Opening, 2..d5 3.c4 | 157 | 43.3% | 50.3% | 0.12 MB |
| D28 | QGA; Classical variation 7.Qe2 | 44 | 43.2% | 60.2% | 0.03 MB |
| E59 | Nimzo-Indian, 4.e3, Main line | 512 | 43.2% | 52.8% | 0.32 MB |
| B52 | Sicilian, Canal-Sokolsky attack, 3...Bd7 | 248 | 43.1% | 56.7% | 0.17 MB |
| D32 | QGD; Tarrasch defense | 58 | 43.1% | 61.2% | 0.05 MB |
| C46 | Three knights game | 181 | 43.1% | 51.4% | 0.14 MB |
| D74 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O | 28 | 42.9% | 60.7% | 0.02 MB |
| A99 | Dutch, Ilyin-Genevsky variation with b3 | 14 | 42.9% | 64.3% | 0.01 MB |
| B64 | Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defense, 9.f4 | 127 | 42.5% | 50.4% | 0.08 MB |
| E48 | Nimzo-Indian, 4.e3 O-O, 5.Bd3 d5 | 73 | 42.5% | 54.1% | 0.06 MB |
| B77 | Sicilian, Dragon, Yugoslav attack, 9.Bc4 | 52 | 42.3% | 51.9% | 0.04 MB |
| D06 | Queen's Gambit | 52 | 42.3% | 59.6% | 0.04 MB |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 206 | 42.2% | 53.2% | 0.15 MB |
| B75 | Sicilian, Dragon, Yugoslav attack | 38 | 42.1% | 65.8% | 0.02 MB |
| D35 | QGD; 3...Nf6 | 257 | 42.0% | 55.3% | 0.19 MB |
| C86 | Worrall attack | 62 | 41.9% | 51.6% | 0.05 MB |
| E45 | Nimzo-Indian, 4.e3, Bronstein (Byrne) variation | 62 | 41.9% | 59.7% | 0.04 MB |
| C99 | Ruy Lopez, Closed, Chigorin, 12...c5d4 | 736 | 41.8% | 61.7% | 0.47 MB |
| A10 | English Opening | 455 | 41.8% | 53.0% | 0.30 MB |
| C03 | French, Tarrasch | 324 | 41.7% | 57.6% | 0.23 MB |
| E56 | Nimzo-Indian, 4.e3, Main line with 7...Nc6 | 24 | 41.7% | 58.3% | 0.02 MB |
| D36 | QGD; Exchange, positional line, 6.Qc2 | 12 | 41.7% | 37.5% | 0.01 MB |
| C67 | Ruy Lopez, Berlin defence, Open variation | 723 | 41.5% | 52.4% | 0.46 MB |
| D25 | QGA, 4.e3 | 94 | 41.5% | 60.1% | 0.07 MB |
| E42 | Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) | 227 | 41.4% | 52.4% | 0.16 MB |
| E10 | Queen's pawn game 3. Nf3 | 863 | 41.4% | 57.4% | 0.57 MB |
| D37 | QGD; 4.Nf3 | 1466 | 41.3% | 54.9% | 0.94 MB |
| B01 | Scandinavian (centercounter) center defense | 337 | 41.2% | 58.9% | 0.23 MB |
| A42 | Modern defense, Averbakh system | 68 | 41.2% | 60.3% | 0.05 MB |
| B36 | Sicilian, Accelerated Fianchetto, Maroczy bind | 168 | 41.1% | 58.0% | 0.12 MB |
| D66 | QGD; Orthodox defense, Bd3 line | 56 | 41.1% | 58.0% | 0.04 MB |
| D97 | Gruenfeld, Russian variation with 7. e4 | 717 | 41.0% | 51.6% | 0.46 MB |
| A31 | English Opening, Symmetrical, Benoni formation | 161 | 41.0% | 58.4% | 0.13 MB |
| B09 | Pirc, Austrian attack | 205 | 41.0% | 55.6% | 0.14 MB |
| A38 | English Opening, Symmetrical | 184 | 40.8% | 52.4% | 0.13 MB |
| D33 | QGD; Tarrasch, Schlechter-Rubinstein system | 27 | 40.7% | 53.7% | 0.02 MB |
| A84 | Dutch defense | 123 | 40.7% | 56.9% | 0.09 MB |
| A58 | Benko gambit accepted | 138 | 40.6% | 55.8% | 0.09 MB |
| E17 | Queen's Indian, 5.Bg2 Be7 | 232 | 40.5% | 56.9% | 0.16 MB |
| E32 | Nimzo-Indian, Classical variation | 1721 | 40.4% | 54.3% | 1.07 MB |
| E53 | Nimzo-Indian, 4.e3, Main line with ...c5 | 94 | 40.4% | 67.0% | 0.06 MB |
| D49 | QGD; Meran, 11. Nxb5 | 312 | 40.4% | 47.4% | 0.18 MB |
| C72 | Ruy Lopez, Modern Steinitz defense 5.0-0 | 57 | 40.4% | 58.8% | 0.04 MB |
| B57 | Sicilian, Sozin (not Scheveningen) | 409 | 40.3% | 50.7% | 0.28 MB |
| D87 | Gruenfeld, Exchange, Spassky variation | 149 | 40.3% | 57.7% | 0.09 MB |
| E04 | Catalan, Open, 5.Nf3 | 748 | 40.1% | 51.6% | 0.47 MB |
| B85 | Sicilian, Scheveningen, Classical variation with ...Qc7 and ...Nc6 | 232 | 40.1% | 53.2% | 0.15 MB |
| B44 | Sicilian defense | 362 | 40.1% | 50.4% | 0.24 MB |
| B35 | Sicilian, Accelerated Fianchetto, Modern variation with Bc4 | 250 | 40.0% | 53.6% | 0.17 MB |
| B04 | Alekhine's defense, Modern variation | 105 | 40.0% | 64.8% | 0.08 MB |
| D67 | QGD; Orthodox defense, Bd3 line, Capablanca freeing manoever | 70 | 40.0% | 54.3% | 0.05 MB |
| A79 | Benoni, Classical, 11.f3 | 20 | 40.0% | 50.0% | 0.02 MB |
| C27 | Vienna game | 15 | 40.0% | 46.7% | 0.01 MB |
| E72 | King's Indian with e4 & g3 | 10 | 40.0% | 60.0% | 0.01 MB |
| D45 | QGD; Semi-Slav 5.e3 | 4773 | 39.9% | 52.2% | 2.92 MB |
| C43 | Petrov, Modern (Steinitz) attack | 431 | 39.9% | 51.0% | 0.27 MB |
| C01 | French, Exchange variation | 276 | 39.9% | 52.5% | 0.20 MB |
| A28 | English Opening, Four knights system | 661 | 39.8% | 52.0% | 0.44 MB |
| B18 | Caro-Kann, Classical variation | 181 | 39.8% | 53.0% | 0.13 MB |
| A05 | Reti Opening, 2..Nf6 | 905 | 39.7% | 53.4% | 0.61 MB |
| E52 | Nimzo-Indian, 4.e3, Main line with ...b6 | 58 | 39.7% | 61.2% | 0.04 MB |
| D38 | QGD; Ragozin variation | 550 | 39.6% | 52.0% | 0.36 MB |
| B38 | Sicilian, Accelerated Fianchetto, Maroczy bind, 6.Be3 | 230 | 39.6% | 56.7% | 0.16 MB |
| E76 | King's Indian, Four pawns attack | 43 | 39.5% | 59.3% | 0.03 MB |
| A07 | Reti Opening, King's Indian attack (Barcza system) | 1494 | 39.5% | 52.2% | 1.03 MB |
| E41 | Nimzo-Indian, 4.e3 c5 | 223 | 39.5% | 51.1% | 0.16 MB |
| C77 | Ruy Lopez, Morphy defence | 251 | 39.4% | 56.0% | 0.19 MB |
| C44 | King's pawn game | 137 | 39.4% | 51.8% | 0.10 MB |
| E43 | Nimzo-Indian, Fischer variation | 117 | 39.3% | 59.0% | 0.08 MB |
| C26 | Vienna, Falkbeer variation | 84 | 39.3% | 48.2% | 0.06 MB |
| C29 | Vienna gambit, Kaufmann variation | 28 | 39.3% | 58.9% | 0.02 MB |
| B19 | Caro-Kann, Classical, 7...Nd7 | 895 | 39.2% | 55.1% | 0.54 MB |
| E93 | King's Indian, Petrosian system, Main line | 23 | 39.1% | 54.3% | 0.02 MB |
| D40 | QGD; Semi-Tarrasch defense | 151 | 39.1% | 50.7% | 0.11 MB |
| C23 | Bishop's Opening | 128 | 39.1% | 57.8% | 0.08 MB |
| C87 | Ruy Lopez, Closed, Averbach variation | 82 | 39.0% | 58.5% | 0.06 MB |
| A13 | English Opening | 733 | 39.0% | 52.4% | 0.53 MB |
| C15 | French, Winawer (Nimzovich) variation | 131 | 38.9% | 55.3% | 0.10 MB |
| D23 | Queen's gambit accepted | 18 | 38.9% | 52.8% | 0.01 MB |
| C45 | Scotch game | 1281 | 38.9% | 52.7% | 0.78 MB |
| B20 | Sicilian defense | 512 | 38.9% | 49.1% | 0.33 MB |
| D30 | QGD | 1457 | 38.8% | 55.2% | 0.93 MB |
| B83 | Sicilian, Scheveningen, 6.Be2 | 444 | 38.7% | 51.8% | 0.30 MB |
| E39 | Nimzo-Indian, Classical, Pirc variation | 168 | 38.7% | 57.4% | 0.12 MB |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 1241 | 38.7% | 54.3% | 0.81 MB |
| C42 | Petrov's defense | 1587 | 38.6% | 57.8% | 1.00 MB |
| B88 | Sicilian, Sozin, Leonhardt variation | 145 | 38.6% | 57.2% | 0.10 MB |
| D42 | QGD; Semi-Tarrasch, 7.Bd3 | 57 | 38.6% | 57.9% | 0.05 MB |
| B22 | Sicilian, Alapin's variation (2.c3) | 1004 | 38.5% | 53.9% | 0.67 MB |
| B65 | Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defense, 9...Nxd4 | 203 | 38.4% | 56.7% | 0.13 MB |
| E46 | Nimzo-Indian, 4.e3 O-O | 133 | 38.3% | 47.7% | 0.10 MB |
| C06 | French, Tarrasch, Closed variation, Main line | 415 | 38.3% | 61.3% | 0.26 MB |
| C92 | Ruy Lopez, closed, 9.d4 | 1371 | 38.3% | 56.2% | 0.87 MB |
| D14 | QGD; Slav defense, Exchange variation | 81 | 38.3% | 51.2% | 0.05 MB |
| B49 | Sicilian, Taimanov variation | 238 | 38.2% | 56.1% | 0.17 MB |
| B73 | Sicilian, Dragon, Classical, 8.O-O | 76 | 38.2% | 54.6% | 0.06 MB |
| A29 | English Opening, Four knights, kingside Fianchetto | 1690 | 38.1% | 52.3% | 1.05 MB |
| C89 | Ruy Lopez, Marshall counter-attack | 210 | 38.1% | 52.9% | 0.14 MB |
| D89 | Gruenfeld, Spassky variation, Main line, 13.Bd3 | 42 | 38.1% | 40.5% | 0.03 MB |
| D50 | QGD; 4.Bg5 | 21 | 38.1% | 52.4% | 0.02 MB |
| E38 | Nimzo-Indian, Classical, 4...c5 | 71 | 38.0% | 66.9% | 0.06 MB |
| D00 | Queen's pawn game | 455 | 38.0% | 49.6% | 0.30 MB |
| A20 | English Opening | 1153 | 38.0% | 54.7% | 0.74 MB |
| D24 | QGA, 4.Nc3 | 29 | 37.9% | 56.9% | 0.02 MB |
| A35 | English Opening, Symmetrical | 409 | 37.9% | 52.7% | 0.28 MB |
| C49 | Four knights, double Ruy Lopez | 235 | 37.9% | 56.0% | 0.17 MB |
| B61 | Sicilian, Richter-Rauzer, Larsen variation, 7.Qd2 | 82 | 37.8% | 55.5% | 0.06 MB |
| B46 | Sicilian, Taimanov variation | 987 | 37.8% | 53.6% | 0.61 MB |
| C50 | King's pawn game | 527 | 37.8% | 51.9% | 0.34 MB |
| A30 | English Opening, Symmetrical variation | 1632 | 37.7% | 56.1% | 1.04 MB |
| B21 | Sicilian, Grand Prix attack | 202 | 37.6% | 51.5% | 0.13 MB |
| B92 | Sicilian, Najdorf, Zagreb (Fianchetto) variation | 1050 | 37.6% | 51.9% | 0.70 MB |
| C10 | French, Paulsen variation | 553 | 37.6% | 54.2% | 0.36 MB |
| C85 | Ruy Lopez, Exchange variation doubly deferred (DERLD) | 346 | 37.6% | 49.1% | 0.23 MB |
| B97 | Sicilian, Najdorf, 7...Qb6 | 716 | 37.6% | 47.4% | 0.39 MB |
| C48 | Four knights, Spanish variation | 341 | 37.5% | 56.0% | 0.23 MB |
| C84 | Ruy Lopez, Closed defense | 400 | 37.5% | 55.0% | 0.26 MB |
| C28 | Vienna game | 40 | 37.5% | 43.8% | 0.03 MB |
| B28 | Sicilian, O'Kelly variation | 16 | 37.5% | 68.8% | 0.01 MB |
| E89 | King's Indian, Saemisch, Orthodox Main line | 8 | 37.5% | 31.3% | 0.01 MB |
| D95 | Gruenfeld with 5. e3 O-O 6. Qb3 | 8 | 37.5% | 56.3% | 0.01 MB |
| E21 | Nimzo-Indian, Three knights variation | 369 | 37.4% | 50.1% | 0.26 MB |
| B34 | Sicilian, Accelerated Fianchetto, Exchange variation | 67 | 37.3% | 53.0% | 0.05 MB |
| B87 | Sozin with ...a6 and ...b5 | 314 | 37.3% | 53.7% | 0.20 MB |
| D48 | QGD; Meran, 8...a6 | 790 | 37.2% | 52.8% | 0.48 MB |
| B84 | Sicilian, Scheveningen (Paulsen), Classical variation | 1459 | 37.1% | 50.2% | 0.91 MB |
| E01 | Catalan, closed | 35 | 37.1% | 55.7% | 0.03 MB |
| B47 | Sicilian, Taimanov (Bastrikov) variation | 1477 | 37.1% | 55.0% | 0.93 MB |
| D43 | QGD; Semi-Slav | 1437 | 37.1% | 54.2% | 0.91 MB |
| C00 | French defense | 953 | 37.0% | 49.8% | 0.64 MB |
| E44 | Nimzo-Indian, Fischer variation, 5.Ne2 | 81 | 37.0% | 53.1% | 0.06 MB |
| B86 | Sicilian, Sozin attack | 27 | 37.0% | 51.9% | 0.02 MB |
| E13 | Queen's Indian, 4.Nc3, Main line | 27 | 37.0% | 55.6% | 0.02 MB |
| C95 | Ruy Lopez, closed, Breyer, 10.d4 | 489 | 37.0% | 56.7% | 0.34 MB |
| E67 | King's Indian, Fianchetto with ...Nd7 | 127 | 37.0% | 58.7% | 0.09 MB |
| A40 | Queen's pawn | 1142 | 37.0% | 56.9% | 0.76 MB |
| D04 | Queen's pawn game | 130 | 36.9% | 46.9% | 0.10 MB |
| A33 | English Opening, Symmetrical | 382 | 36.9% | 57.2% | 0.25 MB |
| B58 | Sicilian, Classical | 168 | 36.9% | 48.8% | 0.11 MB |
| B25 | Sicilian, Closed | 84 | 36.9% | 54.2% | 0.07 MB |
| E12 | Queen's Indian defense | 2648 | 36.9% | 52.6% | 1.67 MB |
| E50 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d5 | 19 | 36.8% | 44.7% | 0.02 MB |
| A96 | Dutch, Classical variation | 19 | 36.8% | 65.8% | 0.02 MB |
| D11 | QGD; Slav defense, 3.Nf3 | 460 | 36.7% | 54.5% | 0.33 MB |
| C91 | Ruy Lopez, closed, 9.d4 | 1898 | 36.7% | 54.7% | 1.24 MB |
| B17 | Caro-Kann, Steinitz variation | 594 | 36.7% | 54.2% | 0.39 MB |
| E19 | Queen's Indian, Old Main line, 9.Qxc3 | 246 | 36.6% | 58.9% | 0.17 MB |
| A08 | Reti Opening, King's Indian attack | 123 | 36.6% | 50.8% | 0.09 MB |
| A00 | Irregular Openings | 432 | 36.6% | 50.2% | 0.30 MB |
| D12 | QGD; Slav defense, 4.e3 Bf5 | 487 | 36.6% | 52.8% | 0.32 MB |
| C78 | Ruy Lopez, 5.O-O | 531 | 36.5% | 56.5% | 0.35 MB |
| E91 | King's Indian, 6.Be2 | 189 | 36.5% | 60.1% | 0.14 MB |
| D13 | QGD; Slav defense, Exchange variation | 137 | 36.5% | 59.9% | 0.09 MB |
| E14 | Queen's Indian, 4.e3 | 385 | 36.4% | 54.8% | 0.25 MB |
| A78 | Benoni, Classical with ...Re8 and ...Na6 | 11 | 36.4% | 54.5% | 0.01 MB |
| A49 | King's Indian, Fianchetto without c4 | 171 | 36.3% | 56.7% | 0.12 MB |
| D05 | Queen's pawn game, Zukertort variation | 138 | 36.2% | 52.9% | 0.10 MB |
| B30 | Sicilian defense | 1042 | 36.2% | 56.0% | 0.71 MB |
| E95 | King's Indian, Orthodox, 7...Nbd7, 8.Re1 | 94 | 36.2% | 57.4% | 0.07 MB |
| C70 | Ruy Lopez, | 158 | 36.1% | 61.7% | 0.12 MB |
| B31 | Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6) | 402 | 36.1% | 56.1% | 0.28 MB |
| D31 | QGD, 3.Nc3 | 305 | 36.1% | 51.8% | 0.22 MB |
| C55 | Two knights defense | 244 | 36.1% | 55.3% | 0.17 MB |
| A34 | English Opening, Symmetrical | 430 | 36.0% | 55.5% | 0.29 MB |
| C51 | Evans gambit declined | 111 | 36.0% | 45.9% | 0.06 MB |
| E00 | Queen's pawn game | 783 | 36.0% | 54.0% | 0.54 MB |
| B74 | Sicilian, Dragon, Classical, 9.Nb3 | 50 | 36.0% | 54.0% | 0.04 MB |
| D70 | Neo-Gruenfeld defense | 25 | 36.0% | 46.0% | 0.02 MB |
| C88 | Ruy Lopez, Closed | 1492 | 36.0% | 53.5% | 0.97 MB |
| D19 | QGD; Dutch variation | 464 | 36.0% | 59.2% | 0.30 MB |
| B07 | Pirc defense | 353 | 36.0% | 56.5% | 0.25 MB |
| B48 | Sicilian, Taimanov variation | 870 | 36.0% | 51.7% | 0.55 MB |
| D20 | Queen's Gambit accepted | 523 | 35.9% | 59.8% | 0.35 MB |
| E60 | King's Indian defense | 883 | 35.9% | 56.5% | 0.63 MB |
| D59 | QGD; Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5 | 78 | 35.9% | 44.9% | 0.05 MB |
| A22 | English Opening | 566 | 35.9% | 50.3% | 0.37 MB |
| A25 | English Opening, Sicilian Reversed | 424 | 35.8% | 53.3% | 0.29 MB |
| C71 | Ruy Lopez, Modern Steinitz defense | 53 | 35.8% | 53.8% | 0.04 MB |
| D63 | QGD; Orthodox defense, 7.Rc1 | 120 | 35.8% | 56.3% | 0.08 MB |
| A04 | Reti Opening | 1625 | 35.8% | 54.7% | 1.06 MB |
| D46 | QGD; Semi-Slav 6.Bd3 | 271 | 35.8% | 57.7% | 0.18 MB |
| C11 | French defense | 1780 | 35.8% | 55.9% | 1.07 MB |
| C53 | Giuoco piano | 643 | 35.8% | 56.3% | 0.43 MB |
| D02 | Queen's pawn game, 2. Nf3 | 1821 | 35.7% | 53.0% | 1.18 MB |
| D47 | QGD; Semi-Slav 7.Bc4 | 3930 | 35.7% | 54.7% | 2.32 MB |
| A81 | Dutch defense | 308 | 35.7% | 54.2% | 0.21 MB |
| E02 | Catalan, open, 5.Qa4 | 14 | 35.7% | 75.0% | 0.01 MB |
| B32 | Sicilian defense | 569 | 35.7% | 60.4% | 0.38 MB |
| A06 | Reti Opening, 2..d5 | 480 | 35.6% | 49.5% | 0.34 MB |
| C41 | Philidor's defense | 222 | 35.6% | 57.0% | 0.15 MB |
| D03 | Torre attack, Tartakower variation | 76 | 35.5% | 50.7% | 0.06 MB |
| B10 | Caro-Kann defense | 797 | 35.5% | 56.8% | 0.52 MB |
| A45 | Queen's pawn game | 845 | 35.5% | 53.6% | 0.55 MB |
| B53 | Sicilian, Chekhover variation | 93 | 35.5% | 51.1% | 0.07 MB |
| B70 | Sicilian, Dragon variation | 96 | 35.4% | 51.0% | 0.07 MB |
| E15 | Queen's Indian, 4.g3 | 6276 | 35.4% | 56.2% | 3.88 MB |
| B54 | Sicilian | 320 | 35.3% | 55.5% | 0.23 MB |
| A17 | English Opening | 227 | 35.2% | 59.0% | 0.16 MB |
| D80 | Gruenfeld defense | 88 | 35.2% | 63.1% | 0.06 MB |
| A48 | King's Indian, East Indian defense | 446 | 35.2% | 50.8% | 0.31 MB |
| C05 | French, Tarrasch, Closed variation | 182 | 35.2% | 56.0% | 0.12 MB |
| C52 | Evans gambit | 37 | 35.1% | 41.9% | 0.03 MB |
| D10 | QGD; Slav defense | 803 | 35.1% | 53.7% | 0.56 MB |
| C79 | Ruy Lopez, Steinitz defense deferred (Russian defence) | 94 | 35.1% | 53.7% | 0.07 MB |
| B56 | Sicilian | 357 | 35.0% | 54.2% | 0.24 MB |
| E81 | King's Indian, Saemisch, 5...O-O | 300 | 35.0% | 55.5% | 0.20 MB |
| B27 | Sicilian defense | 578 | 34.9% | 57.4% | 0.41 MB |
| B23 | Sicilian, Closed | 779 | 34.9% | 53.8% | 0.50 MB |
| B45 | Sicilian, Taimanov variation | 659 | 34.9% | 57.2% | 0.40 MB |
| B43 | Sicilian, Kan, 5.Nc3 | 430 | 34.9% | 54.4% | 0.29 MB |
| C24 | Bishop's Opening, Berlin defense | 109 | 34.9% | 55.0% | 0.08 MB |
| D72 | Neo-Gruenfeld, 5.cd, Main line | 23 | 34.8% | 43.5% | 0.02 MB |
| E29 | Nimzo-Indian, Saemisch variation, Main line | 23 | 34.8% | 43.5% | 0.02 MB |
| B42 | Sicilian, Kan, 5.Bd3 | 711 | 34.7% | 56.2% | 0.48 MB |
| E84 | King's Indian, Saemisch, Panno Main line | 95 | 34.7% | 53.2% | 0.07 MB |
| B11 | Caro-Kann, Two knights, 3...Bg4 | 72 | 34.7% | 54.9% | 0.05 MB |
| E63 | King's Indian, Fianchetto, Panno variation | 882 | 34.7% | 56.9% | 0.59 MB |
| C96 | Ruy Lopez, closed, 8...Na5 | 323 | 34.7% | 57.3% | 0.23 MB |
| E66 | King's Indian, Fianchetto, Yugoslav Panno | 55 | 34.5% | 51.8% | 0.04 MB |
| D07 | QGD; Chigorin defense | 322 | 34.5% | 58.9% | 0.20 MB |
| B03 | Alekhine's defense | 90 | 34.4% | 58.3% | 0.06 MB |
| C25 | Vienna game | 96 | 34.4% | 55.7% | 0.07 MB |
| B12 | Caro-Kann defense | 1295 | 34.3% | 56.8% | 0.80 MB |
| B68 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defense, 9...Be7 | 35 | 34.3% | 65.7% | 0.03 MB |
| C80 | Ruy Lopez, Open (Tarrasch) defence | 421 | 34.2% | 54.2% | 0.25 MB |
| E94 | King's Indian, Orthodox variation | 538 | 34.2% | 58.4% | 0.37 MB |
| A47 | Queen's Indian defense | 123 | 34.1% | 56.9% | 0.09 MB |
| B96 | Sicilian, Najdorf, 7.f4 | 123 | 34.1% | 44.7% | 0.08 MB |
| E33 | Nimzo-Indian, Classical variation, 4...Nc6 | 82 | 34.1% | 56.1% | 0.06 MB |
| A50 | Queen's pawn game | 179 | 34.1% | 55.6% | 0.13 MB |
| B08 | Pirc, Classical (Two knights) system | 320 | 34.1% | 57.7% | 0.23 MB |
| D29 | QGA; Classical variation 8...Bb7 | 94 | 34.0% | 46.8% | 0.06 MB |
| D44 | QGD; Semi-Slav 5.Bg5 dc | 421 | 34.0% | 53.6% | 0.22 MB |
| D17 | QGD; Slav defense, Czech defence | 424 | 34.0% | 57.8% | 0.27 MB |
| B40 | Sicilian defense | 1014 | 33.9% | 55.4% | 0.68 MB |
| D15 | QGD; Slav accepted, Exchange variation, 6.Bf4 Bf5 | 469 | 33.9% | 53.4% | 0.33 MB |
| D90 | Gruenfeld, Three knights variation | 62 | 33.9% | 50.8% | 0.04 MB |
| A80 | Dutch | 133 | 33.8% | 60.5% | 0.10 MB |
| E58 | Nimzo-Indian, 4.e3, Main line with 8...Bxc3 | 364 | 33.8% | 54.3% | 0.23 MB |
| E88 | King's Indian, Saemisch, Orthodox, 7.d5 c6 | 89 | 33.7% | 56.2% | 0.06 MB |
| A53 | Old Indian defense | 196 | 33.7% | 59.2% | 0.14 MB |
| C90 | Ruy Lopez, closed (with ...d6) | 797 | 33.6% | 49.1% | 0.54 MB |
| E20 | Nimzo-Indian defense | 176 | 33.5% | 56.5% | 0.12 MB |
| B50 | Sicilian | 427 | 33.5% | 55.6% | 0.30 MB |
| E62 | King's Indian, Fianchetto variation | 338 | 33.4% | 58.4% | 0.23 MB |
| E68 | King's Indian, Fianchetto, Classical variation, 8.e4 | 411 | 33.3% | 60.9% | 0.28 MB |
| D56 | QGD; Lasker defense | 66 | 33.3% | 53.0% | 0.05 MB |
| E80 | King's Indian, Saemisch variation | 30 | 33.3% | 60.0% | 0.03 MB |
| A32 | English Opening, Symmetrical | 27 | 33.3% | 61.1% | 0.02 MB |
| E96 | King's Indian, Orthodox, 7...Nbd7, Main line | 21 | 33.3% | 50.0% | 0.02 MB |
| E37 | Nimzo-Indian, Classical, Noa variation, Main line, 7.Qc2 | 21 | 33.3% | 73.8% | 0.01 MB |
| A60 | Benoni defense | 15 | 33.3% | 63.3% | 0.01 MB |
| E82 | King's Indian, Saemisch, double Fianchetto variation | 12 | 33.3% | 58.3% | 0.01 MB |
| C36 | KGA, Abbazia defense (Classical defense, Modern defense) | 9 | 33.3% | 61.1% | 0.01 MB |
| D09 | QGD; Albin counter-gambit, 5.g3 | 3 | 33.3% | 16.7% | 0.00 MB |
| D08 | QGD; Albin counter-gambit | 3 | 33.3% | 50.0% | 0.00 MB |
| A46 | Queen's pawn game | 649 | 33.1% | 53.5% | 0.42 MB |
| B06 | Robatsch (Modern) defense | 721 | 33.0% | 56.3% | 0.50 MB |
| B15 | Caro-Kann defense | 203 | 33.0% | 54.4% | 0.14 MB |
| B62 | Sicilian, Richter-Rauzer, 6...e6 | 64 | 32.8% | 47.7% | 0.05 MB |
| C82 | Ruy Lopez, Open, 9.c3 | 58 | 32.8% | 56.0% | 0.04 MB |
| E97 | King's Indian, Orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation) | 2066 | 32.6% | 56.3% | 1.28 MB |
| B33 | Sicilian defense | 1538 | 32.6% | 57.1% | 0.91 MB |
| E11 | Bogo-Indian defense | 667 | 32.4% | 54.7% | 0.45 MB |
| E90 | King's Indian, 5.Nf3 | 170 | 32.4% | 56.8% | 0.12 MB |
| A88 | Dutch, Leningrad, Main variation with 7...c6 | 62 | 32.3% | 64.5% | 0.05 MB |
| C98 | Ruy Lopez, Closed, Chigorin, 12...Nc6 | 121 | 32.2% | 60.7% | 0.09 MB |
| A70 | Benoni, Classical with e4 and Nf3 | 125 | 32.0% | 55.2% | 0.09 MB |
| E07 | Catalan, Closed, 6...Nbd7 | 25 | 32.0% | 40.0% | 0.02 MB |
| C02 | French, Advance variation | 746 | 31.9% | 53.2% | 0.49 MB |
| A41 | Queen's pawn | 267 | 31.8% | 56.0% | 0.19 MB |
| C59 | Two knights defense | 311 | 31.8% | 52.3% | 0.18 MB |
| C97 | Ruy Lopez, Closed, Chigorin defense | 415 | 31.8% | 65.1% | 0.28 MB |
| C62 | Ruy Lopez, Old Steinitz defence | 104 | 31.7% | 57.2% | 0.08 MB |
| C64 | Ruy Lopez, Classical (Cordel) defence | 227 | 31.7% | 57.3% | 0.16 MB |
| B82 | Sicilian, Scheveningen, 6.f4 | 123 | 31.7% | 58.1% | 0.09 MB |
| E73 | King's Indian, 5.Be2 | 120 | 31.7% | 51.7% | 0.08 MB |
| C65 | Ruy Lopez, Berlin defense | 266 | 31.6% | 50.4% | 0.20 MB |
| D75 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3 | 19 | 31.6% | 52.6% | 0.02 MB |
| B66 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 | 3234 | 31.5% | 51.6% | 1.82 MB |
| D91 | Gruenfeld, Three knights variation | 270 | 31.5% | 47.6% | 0.20 MB |
| B69 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defense, 11.Bxf6 | 70 | 31.4% | 64.3% | 0.05 MB |
| C73 | Ruy Lopez, Modern Steinitz defense, Richter variation | 35 | 31.4% | 55.7% | 0.03 MB |
| E69 | King's Indian, Fianchetto, Classical Main line | 242 | 31.4% | 62.8% | 0.15 MB |
| E61 | King's Indian defense, 3.Nc3 | 172 | 31.4% | 58.1% | 0.13 MB |
| A21 | English Opening | 415 | 31.3% | 55.9% | 0.28 MB |
| C16 | French, Winawer, Advance variation | 163 | 31.3% | 64.7% | 0.11 MB |
| D83 | Gruenfeld gambit | 16 | 31.3% | 71.9% | 0.01 MB |
| A90 | Dutch defense | 93 | 31.2% | 60.8% | 0.07 MB |
| B89 | Sicilian, Sozin, 7.Be3 | 686 | 31.0% | 50.5% | 0.40 MB |
| E16 | Queen's Indian, Capablanca variation | 116 | 31.0% | 56.0% | 0.08 MB |
| B95 | Sicilian, Najdorf, 6...e6 | 58 | 31.0% | 34.5% | 0.04 MB |
| C75 | Ruy Lopez, Modern Steinitz defense | 29 | 31.0% | 56.9% | 0.02 MB |
| B63 | Sicilian, Richter-Rauzer, Rauzer attack | 329 | 31.0% | 55.9% | 0.20 MB |
| B91 | Sicilian, Najdorf, Zagreb (Fianchetto) variation | 84 | 31.0% | 53.6% | 0.06 MB |
| A89 | Dutch, Leningrad, Main variation with Nc6 | 42 | 31.0% | 67.9% | 0.03 MB |
| A26 | English Opening, Closed system | 110 | 30.9% | 52.7% | 0.07 MB |
| B41 | Sicilian, Kan variation | 94 | 30.9% | 54.8% | 0.07 MB |
| B98 | Sicilian, Najdorf, 7...Be7 | 107 | 30.8% | 60.3% | 0.07 MB |
| D21 | QGA, 3.Nf3 | 65 | 30.8% | 53.8% | 0.05 MB |
| C30 | King's gambit | 26 | 30.8% | 65.4% | 0.02 MB |
| C17 | French, Winawer, Advance variation | 225 | 30.7% | 58.0% | 0.14 MB |
| B80 | Sicilian, Scheveningen variation | 467 | 30.6% | 52.1% | 0.28 MB |
| C40 | King's knight Opening | 36 | 30.6% | 65.3% | 0.03 MB |
| B81 | Sicilian, Scheveningen, Keres attack | 653 | 30.5% | 60.6% | 0.37 MB |
| C69 | Ruy Lopez, Exchange variation, 5.O-O | 280 | 30.4% | 55.9% | 0.19 MB |
| B90 | Sicilian, Najdorf | 6226 | 30.3% | 52.9% | 3.48 MB |
| C14 | French, Classical variation | 109 | 30.3% | 59.2% | 0.07 MB |
| A57 | Benko gambit | 206 | 30.1% | 53.4% | 0.14 MB |
| E30 | Nimzo-Indian, Leningrad variation, | 123 | 30.1% | 53.3% | 0.08 MB |
| A27 | English Opening, Three knights system | 50 | 30.0% | 59.0% | 0.04 MB |
| C93 | Ruy Lopez, closed, Smyslov defense | 30 | 30.0% | 55.0% | 0.03 MB |
| C94 | Ruy Lopez, Closed, Breyer defense | 10 | 30.0% | 75.0% | 0.01 MB |
| B67 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defense, 8...Bd7 | 1025 | 30.0% | 55.1% | 0.60 MB |
| C19 | French, Winawer, Advance, 6...Ne7 | 1476 | 29.8% | 58.9% | 0.92 MB |
| B00 | King's pawn Opening | 208 | 29.8% | 60.1% | 0.15 MB |
| C12 | French, MacCutcheon variation | 261 | 29.5% | 54.2% | 0.16 MB |
| B60 | Sicilian, Richter-Rauzer | 85 | 29.4% | 61.8% | 0.06 MB |
| E86 | King's Indian, Saemisch, Orthodox, 7.Nge2 c6 | 68 | 29.4% | 45.6% | 0.04 MB |
| A85 | Dutch with 2.c4 & 3.Nc3 | 17 | 29.4% | 55.9% | 0.01 MB |
| E92 | King's Indian, Classical variation | 470 | 29.4% | 56.2% | 0.32 MB |
| B26 | Sicilian, Closed, 6.Be3 | 58 | 29.3% | 45.7% | 0.04 MB |
| B24 | Sicilian, Closed | 65 | 29.2% | 50.0% | 0.05 MB |
| D60 | QGD; Orthodox defense | 24 | 29.2% | 60.4% | 0.02 MB |
| A16 | English Opening | 199 | 29.1% | 50.3% | 0.14 MB |
| C76 | Ruy Lopez, Modern Steinitz defense, Fianchetto (Bronstein) variation | 62 | 29.0% | 53.2% | 0.05 MB |
| A62 | Benoni, Fianchetto variation | 62 | 29.0% | 59.7% | 0.05 MB |
| A01 | Nimzovich-Larsen attack | 204 | 28.9% | 51.7% | 0.14 MB |
| C39 | King's knight's gambit | 28 | 28.6% | 35.7% | 0.02 MB |
| B71 | Sicilian, Dragon, Levenfish variation | 7 | 28.6% | 57.1% | 0.01 MB |
| A37 | English Opening, Symmetrical | 183 | 28.4% | 50.8% | 0.12 MB |
| B05 | Alekhine's defense, Modern variation, 4...Bg4 | 106 | 28.3% | 66.0% | 0.08 MB |
| B02 | Alekhine's defense | 54 | 27.8% | 49.1% | 0.04 MB |
| A59 | Benko gambit, 7.e4 | 36 | 27.8% | 58.3% | 0.03 MB |
| A56 | Benoni defense | 175 | 27.4% | 64.0% | 0.12 MB |
| B16 | Caro-Kann, Bronstein-Larsen variation | 33 | 27.3% | 65.2% | 0.03 MB |
| C58 | Two knights defense | 22 | 27.3% | 59.1% | 0.02 MB |
| A43 | Old Benoni defense | 203 | 27.1% | 58.9% | 0.13 MB |
| D16 | QGD; Slav accepted, Alapin variation | 52 | 26.9% | 67.3% | 0.04 MB |
| E05 | Catalan, Open, Classical line | 26 | 26.9% | 51.9% | 0.02 MB |
| A36 | English Opening, Symmetrical | 175 | 26.9% | 52.9% | 0.12 MB |
| A23 | English Opening, Bremen system, Keres variation | 45 | 26.7% | 60.0% | 0.03 MB |
| C63 | Ruy Lopez, Schilemann defense | 30 | 26.7% | 60.0% | |