CCRL 40/4
Downloads and Statistics
June 25, 2010
|
Testing summary:
Total: 615'333 gamesplayed by 896 programs 9567 CPU days (X2 4600+) White wins: 237'930 (38.7%) Black wins: 188'260 (30.6%) Draws: 189'143 (30.7%) White score: 54.0% |
CCRL 40/4
Downloads and Statistics
June 25, 2010
|
Testing summary:
Total: 615'333 gamesplayed by 896 programs 9567 CPU days (X2 4600+) White wins: 237'930 (38.7%) Black wins: 188'260 (30.6%) Draws: 189'143 (30.7%) White score: 54.0% |
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 | |
| B90 | Sicilian, Najdorf | 20098 | 24.3% | 52.6% |
| E15 | Queen's Indian, 4.g3 | 18683 | 30.2% | 55.4% |
| D45 | QGD; Semi-Slav 5.e3 | 17139 | 31.9% | 51.4% |
| D47 | QGD; Semi-Slav 7.Bc4 | 13516 | 30.0% | 52.6% |
| B66 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 | 13142 | 26.2% | 50.6% |
| B27 | Sicilian defense | 10649 | 34.8% | 57.3% |
| E12 | Queen's Indian defense | 8838 | 31.5% | 52.7% |
| B06 | Robatsch (Modern) defense | 7540 | 31.8% | 58.0% |
| D58 | QGD; Tartakower (Makagonov-Bondarevsky) system | 7305 | 33.1% | 51.5% |
| E97 | King's Indian, Orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation) | 7295 | 28.0% | 56.2% |
| B47 | Sicilian, Taimanov (Bastrikov) variation | 7180 | 31.9% | 54.4% |
| B33 | Sicilian defense | 6929 | 28.5% | 54.0% |
| C19 | French, Winawer, Advance, 6...Ne7 | 6699 | 25.7% | 58.9% |
| C11 | French defense | 6608 | 29.2% | 53.0% |
| E32 | Nimzo-Indian, Classical variation | 6396 | 36.2% | 52.2% |
| A29 | English Opening, Four knights, kingside Fianchetto | 6304 | 30.8% | 51.5% |
| B42 | Sicilian, Kan, 5.Bd3 | 5949 | 29.0% | 55.9% |
| B67 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defense, 8...Bd7 | 5912 | 25.6% | 52.6% |
| A07 | Reti Opening, King's Indian attack (Barcza system) | 5834 | 31.8% | 52.7% |
| A30 | English Opening, Symmetrical variation | 5789 | 31.2% | 54.9% |
| D02 | Queen's pawn game, 2. Nf3 | 5739 | 29.6% | 52.4% |
| C91 | Ruy Lopez, closed, 9.d4 | 5398 | 29.4% | 52.6% |
| D37 | QGD; 4.Nf3 | 5292 | 32.2% | 52.9% |
| C42 | Petrov's defense | 5286 | 32.3% | 55.3% |
| B84 | Sicilian, Scheveningen (Paulsen), Classical variation | 5193 | 29.8% | 51.7% |
| C00 | French defense | 5178 | 31.8% | 52.2% |
| D43 | QGD; Semi-Slav | 5032 | 31.4% | 51.4% |
| B92 | Sicilian, Najdorf, Zagreb (Fianchetto) variation | 4683 | 32.1% | 52.6% |
| A40 | Queen's pawn | 4270 | 31.0% | 55.8% |
| D85 | Gruenfeld, exchange variation | 4265 | 40.0% | 55.6% |
| B40 | Sicilian defense | 4135 | 31.6% | 52.9% |
| B12 | Caro-Kann defense | 4078 | 28.1% | 55.2% |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 4020 | 31.9% | 55.2% |
| E11 | Bogo-Indian defense | 4018 | 31.7% | 55.5% |
| B22 | Sicilian, Alapin's variation (2.c3) | 4011 | 35.3% | 53.2% |
| B30 | Sicilian defense | 3778 | 30.4% | 53.2% |
| A04 | Reti Opening | 3730 | 29.1% | 53.7% |
| E60 | King's Indian defense | 3715 | 30.2% | 54.9% |
| E98 | King's Indian, Orthodox, Aronin-Taimanov, 9.Ne1 | 3670 | 21.3% | 58.0% |
| A20 | English Opening | 3649 | 30.9% | 54.2% |
| B81 | Sicilian, Scheveningen, Keres attack | 3627 | 26.1% | 59.3% |
| C92 | Ruy Lopez, closed, 9.d4 | 3605 | 33.7% | 53.4% |
| E94 | King's Indian, Orthodox variation | 3598 | 29.1% | 56.9% |
| B19 | Caro-Kann, Classical, 7...Nd7 | 3575 | 29.0% | 56.8% |
| D30 | QGD | 3533 | 30.7% | 53.7% |
| E04 | Catalan, Open, 5.Nf3 | 3512 | 35.7% | 52.7% |
| B97 | Sicilian, Najdorf, 7...Qb6 | 3491 | 30.6% | 45.6% |
| C90 | Ruy Lopez, closed (with ...d6) | 3409 | 26.2% | 51.5% |
| A05 | Reti Opening, 2..Nf6 | 3368 | 32.6% | 53.2% |
| D27 | QGA; classical variation | 3336 | 35.5% | 53.4% |
| B46 | Sicilian, Taimanov variation | 3293 | 31.8% | 54.8% |
| A13 | English Opening | 3235 | 31.6% | 53.3% |
| A81 | Dutch defense | 3146 | 31.2% | 58.6% |
| B43 | Sicilian, Kan, 5.Nc3 | 2985 | 31.4% | 53.4% |
| E00 | Queen's pawn game | 2976 | 30.9% | 53.9% |
| C99 | Ruy Lopez, Closed, Chigorin, 12...c5d4 | 2938 | 36.4% | 59.1% |
| C02 | French, Advance variation | 2935 | 24.1% | 53.0% |
| D48 | QGD; Meran, 8...a6 | 2927 | 29.0% | 51.0% |
| E10 | Queen's pawn game 3. Nf3 | 2888 | 31.9% | 54.8% |
| B48 | Sicilian, Taimanov variation | 2884 | 30.0% | 50.8% |
| B10 | Caro-Kann defense | 2870 | 30.2% | 54.3% |
| B89 | Sicilian, Sozin, 7.Be3 | 2844 | 25.3% | 50.4% |
| A45 | Queen's pawn game | 2842 | 28.0% | 51.3% |
| B35 | Sicilian, Accelerated Fianchetto, Modern variation with Bc4 | 2818 | 37.3% | 52.9% |
| D97 | Gruenfeld, Russian variation with 7. e4 | 2763 | 32.5% | 52.2% |
| A46 | Queen's pawn game | 2717 | 30.0% | 55.3% |
| B38 | Sicilian, Accelerated Fianchetto, Maroczy bind, 6.Be3 | 2711 | 41.8% | 56.0% |
| E92 | King's Indian, Classical variation | 2706 | 27.7% | 54.9% |
| B17 | Caro-Kann, Steinitz variation | 2701 | 29.6% | 53.5% |
| A00 | Irregular Openings | 2663 | 31.7% | 50.3% |
| C07 | French, Tarrasch, Open variation | 2469 | 35.5% | 51.8% |
| C88 | Ruy Lopez, Closed | 2401 | 29.5% | 51.9% |
| D10 | QGD; Slav defense | 2316 | 30.0% | 52.2% |
| B57 | Sicilian, Sozin (not Scheveningen) | 2296 | 32.7% | 50.1% |
| B23 | Sicilian, Closed | 2294 | 28.8% | 52.9% |
| E63 | King's Indian, Fianchetto, Panno variation | 2243 | 31.3% | 57.2% |
| B31 | Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6) | 2176 | 31.3% | 53.8% |
| A28 | English Opening, Four knights system | 2145 | 34.3% | 53.3% |
| A41 | Queen's pawn | 2145 | 30.4% | 57.1% |
| E55 | Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation | 2117 | 36.1% | 53.8% |
| D38 | QGD; Ragozin variation | 2110 | 32.5% | 53.8% |
| B99 | Sicilian, Najdorf, 7...Be7 Main line | 2094 | 20.6% | 55.4% |
| A80 | Dutch | 2030 | 30.5% | 54.4% |
| D20 | Queen's Gambit accepted | 2024 | 31.9% | 54.6% |
| C06 | French, Tarrasch, Closed variation, Main line | 2009 | 32.8% | 56.6% |
| E06 | Catalan, Closed, 5.Nf3 | 1993 | 36.9% | 53.3% |
| D11 | QGD; Slav defense, 3.Nf3 | 1987 | 31.8% | 53.5% |
| C95 | Ruy Lopez, closed, Breyer, 10.d4 | 1969 | 30.2% | 56.8% |
| B09 | Pirc, Austrian attack | 1924 | 35.0% | 58.4% |
| B01 | Scandinavian (centercounter) center defense | 1906 | 29.1% | 59.8% |
| A22 | English Opening | 1882 | 33.6% | 50.5% |
| D31 | QGD, 3.Nc3 | 1866 | 29.9% | 52.4% |
| B07 | Pirc defense | 1837 | 30.7% | 56.3% |
| C78 | Ruy Lopez, 5.O-O | 1806 | 29.8% | 54.4% |
| E59 | Nimzo-Indian, 4.e3, Main line | 1790 | 31.3% | 54.6% |
| B93 | Sicilian, Najdorf, 6.f4 | 1782 | 31.0% | 50.6% |
| B50 | Sicilian | 1759 | 28.2% | 52.2% |
| D19 | QGD; Dutch variation | 1755 | 30.9% | 54.9% |
| B08 | Pirc, Classical (Two knights) system | 1738 | 34.6% | 57.2% |
| C45 | Scotch game | 1728 | 33.0% | 52.0% |
| B80 | Sicilian, Scheveningen variation | 1712 | 25.5% | 54.0% |
| A35 | English Opening, Symmetrical | 1709 | 29.7% | 54.3% |
| D12 | QGD; Slav defense, 4.e3 Bf5 | 1699 | 31.1% | 55.1% |
| B20 | Sicilian defense | 1698 | 26.6% | 50.1% |
| B83 | Sicilian, Scheveningen, 6.Be2 | 1664 | 32.9% | 50.9% |
| A06 | Reti Opening, 2..d5 | 1659 | 28.1% | 54.5% |
| D15 | QGD; Slav accepted, Exchange variation, 6.Bf4 Bf5 | 1623 | 31.4% | 52.9% |
| E58 | Nimzo-Indian, 4.e3, Main line with 8...Bxc3 | 1620 | 28.0% | 50.3% |
| D44 | QGD; Semi-Slav 5.Bg5 dc | 1619 | 26.1% | 55.7% |
| A56 | Benoni defense | 1611 | 24.5% | 61.1% |
| B14 | Caro-Kann, Panov-Botvinnik attack, 5...e6 | 1610 | 35.2% | 55.8% |
| D00 | Queen's pawn game | 1610 | 27.0% | 53.9% |
| C67 | Ruy Lopez, Berlin defence, Open variation | 1609 | 38.7% | 52.4% |
| A48 | King's Indian, East Indian defense | 1600 | 31.1% | 51.3% |
| C09 | French, Tarrasch, Open variation, Main line | 1600 | 38.1% | 55.9% |
| B56 | Sicilian | 1593 | 28.2% | 54.1% |
| C10 | French, Paulsen variation | 1585 | 30.3% | 54.9% |
| A21 | English Opening | 1571 | 29.0% | 52.4% |
| A25 | English Opening, Sicilian Reversed | 1544 | 29.3% | 54.3% |
| E62 | King's Indian, Fianchetto variation | 1530 | 31.7% | 58.7% |
| A10 | English Opening | 1519 | 30.7% | 56.4% |
| D91 | Gruenfeld, Three knights variation | 1509 | 33.9% | 47.3% |
| E68 | King's Indian, Fianchetto, Classical variation, 8.e4 | 1478 | 31.4% | 57.1% |
| A33 | English Opening, Symmetrical | 1466 | 31.7% | 52.7% |
| B32 | Sicilian defense | 1439 | 32.1% | 53.6% |
| C77 | Ruy Lopez, Morphy defence | 1423 | 32.2% | 52.7% |
| E42 | Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) | 1419 | 33.0% | 56.9% |
| B39 | Sicilian, Accelerated Fianchetto, Breyer variation | 1412 | 33.7% | 62.6% |
| B45 | Sicilian, Taimanov variation | 1391 | 29.5% | 55.3% |
| D35 | QGD; 3...Nf6 | 1334 | 30.1% | 52.9% |
| E81 | King's Indian, Saemisch, 5...O-O | 1327 | 27.4% | 54.1% |
| E18 | Queen's Indian, Old Main line, 7.Nc3 | 1314 | 34.7% | 57.2% |
| E41 | Nimzo-Indian, 4.e3 c5 | 1311 | 30.6% | 48.8% |
| A34 | English Opening, Symmetrical | 1304 | 32.4% | 52.5% |
| B00 | King's pawn Opening | 1273 | 25.8% | 61.7% |
| B87 | Sozin with ...a6 and ...b5 | 1269 | 29.2% | 49.9% |
| C50 | King's pawn game | 1266 | 29.5% | 55.5% |
| B44 | Sicilian defense | 1259 | 31.3% | 49.8% |
| C08 | French, Tarrasch, Open, 4.exd5 exd5 | 1243 | 36.9% | 52.7% |
| B63 | Sicilian, Richter-Rauzer, Rauzer attack | 1242 | 26.4% | 52.4% |
| D17 | QGD; Slav defense, Czech defence | 1229 | 32.0% | 56.9% |
| E69 | King's Indian, Fianchetto, Classical Main line | 1227 | 30.8% | 60.9% |
| B36 | Sicilian, Accelerated Fianchetto, Maroczy bind | 1214 | 39.8% | 56.5% |
| E21 | Nimzo-Indian, Three knights variation | 1203 | 31.3% | 52.5% |
| B65 | Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defense, 9...Nxd4 | 1195 | 33.2% | 54.4% |
| A42 | Modern defense, Averbakh system | 1194 | 29.3% | 61.1% |
| A90 | Dutch defense | 1182 | 27.2% | 58.0% |
| B52 | Sicilian, Canal-Sokolsky attack, 3...Bd7 | 1149 | 36.1% | 52.7% |
| C80 | Ruy Lopez, Open (Tarrasch) defence | 1129 | 34.8% | 55.0% |
| D49 | QGD; Meran, 11. Nxb5 | 1105 | 34.8% | 52.0% |
| A57 | Benko gambit | 1102 | 28.9% | 57.2% |
| C96 | Ruy Lopez, closed, 8...Na5 | 1090 | 31.8% | 59.4% |
| C05 | French, Tarrasch, Closed variation | 1061 | 25.8% | 58.4% |
| E17 | Queen's Indian, 5.Bg2 Be7 | 1054 | 31.3% | 56.9% |
| D34 | QGD; Tarrasch, 7...Be7 | 1053 | 35.6% | 60.8% |
| C03 | French, Tarrasch | 1049 | 32.9% | 55.4% |
| B76 | Sicilian, Dragon, Yugoslav attack, 7...O-O | 1047 | 27.2% | 53.0% |
| C01 | French, Exchange variation | 1028 | 31.9% | 54.4% |
| B13 | Caro-Kann, Exchange variation | 992 | 32.2% | 54.4% |
| C43 | Petrov, Modern (Steinitz) attack | 992 | 31.7% | 53.8% |
| A08 | Reti Opening, King's Indian attack | 984 | 34.6% | 52.6% |
| C97 | Ruy Lopez, Closed, Chigorin defense | 974 | 24.4% | 60.3% |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 964 | 33.4% | 54.4% |
| A84 | Dutch defense | 950 | 28.6% | 59.1% |
| B54 | Sicilian | 944 | 29.7% | 53.0% |
| C48 | Four knights, Spanish variation | 942 | 30.0% | 54.9% |
| A50 | Queen's pawn game | 938 | 28.4% | 52.1% |
| E39 | Nimzo-Indian, Classical, Pirc variation | 938 | 34.5% | 57.0% |
| A58 | Benko gambit accepted | 930 | 29.1% | 58.0% |
| A61 | Benoni defense | 916 | 27.7% | 61.4% |
| C53 | Giuoco piano | 914 | 28.9% | 53.5% |
| E14 | Queen's Indian, 4.e3 | 884 | 30.8% | 51.1% |
| B18 | Caro-Kann, Classical variation | 878 | 28.6% | 54.2% |
| C12 | French, MacCutcheon variation | 877 | 26.1% | 52.7% |
| B85 | Sicilian, Scheveningen, Classical variation with ...Qc7 and ...Nc6 | 872 | 36.5% | 53.7% |
| E19 | Queen's Indian, Old Main line, 9.Qxc3 | 872 | 33.9% | 54.4% |
| B58 | Sicilian, Classical | 871 | 33.3% | 48.6% |
| D26 | QGA; classical variation | 867 | 35.8% | 51.3% |
| E53 | Nimzo-Indian, 4.e3, Main line with ...c5 | 867 | 36.9% | 52.8% |
| D07 | QGD; Chigorin defense | 851 | 28.9% | 58.8% |
| C49 | Four knights, double Ruy Lopez | 839 | 36.7% | 54.1% |
| B49 | Sicilian, Taimanov variation | 833 | 34.5% | 53.7% |
| C41 | Philidor's defense | 833 | 32.9% | 55.2% |
| C65 | Ruy Lopez, Berlin defense | 826 | 36.1% | 52.1% |
| D52 | QGD | 821 | 34.2% | 54.6% |
| A14 | English, Neo-Catalan declined | 819 | 36.9% | 54.7% |
| E91 | King's Indian, 6.Be2 | 816 | 29.8% | 58.4% |
| A31 | English Opening, Symmetrical, Benoni formation | 809 | 29.0% | 54.9% |
| A43 | Old Benoni defense | 804 | 29.7% | 58.8% |
| B04 | Alekhine's defense, Modern variation | 799 | 31.3% | 60.5% |
| B03 | Alekhine's defense | 795 | 26.8% | 57.0% |
| C69 | Ruy Lopez, Exchange variation, 5.O-O | 787 | 34.9% | 55.3% |
| C15 | French, Winawer (Nimzovich) variation | 763 | 32.5% | 56.5% |
| E20 | Nimzo-Indian defense | 760 | 30.1% | 51.9% |
| B69 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defense, 11.Bxf6 | 758 | 23.2% | 56.7% |
| B82 | Sicilian, Scheveningen, 6.f4 | 724 | 27.9% | 54.8% |
| D94 | Gruenfeld, 5.e3 | 720 | 37.2% | 55.7% |
| A17 | English Opening | 717 | 32.9% | 53.8% |
| C64 | Ruy Lopez, Classical (Cordel) defence | 716 | 29.1% | 52.0% |
| A88 | Dutch, Leningrad, Main variation with 7...c6 | 715 | 35.8% | 58.2% |
| A49 | King's Indian, Fianchetto without c4 | 714 | 29.4% | 52.9% |
| B78 | Sicilian, Dragon, Yugoslav attack, 10.O-O-O | 712 | 24.9% | 52.5% |
| B64 | Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defense, 9.f4 | 710 | 30.4% | 54.6% |
| D55 | QGD; 6.Nf3 | 699 | 40.6% | 54.5% |
| E61 | King's Indian defense, 3.Nc3 | 675 | 25.6% | 55.9% |
| A53 | Old Indian defense | 672 | 30.2% | 58.0% |
| A70 | Benoni, Classical with e4 and Nf3 | 659 | 29.3% | 59.9% |
| A09 | Reti Opening, 2..d5 3.c4 | 658 | 29.6% | 52.8% |
| C55 | Two knights defense | 652 | 29.1% | 55.2% |
| A37 | English Opening, Symmetrical | 651 | 29.3% | 54.0% |
| A36 | English Opening, Symmetrical | 650 | 30.0% | 51.6% |
| E46 | Nimzo-Indian, 4.e3 O-O | 621 | 29.5% | 50.6% |
| C84 | Ruy Lopez, Closed defense | 594 | 35.2% | 51.8% |
| C46 | Three knights game | 591 | 29.8% | 52.1% |
| E95 | King's Indian, Orthodox, 7...Nbd7, 8.Re1 | 587 | 31.2% | 58.3% |
| D39 | QGD; Ragozin, Vienna variation | 584 | 33.7% | 52.7% |
| E84 | King's Indian, Saemisch, Panno Main line | 584 | 27.9% | 55.9% |
| C17 | French, Winawer, Advance variation | 583 | 27.6% | 56.2% |
| E70 | King's Indian, 4.e4 | 575 | 30.3% | 54.8% |
| C16 | French, Winawer, Advance variation | 569 | 21.8% | 54.3% |
| C85 | Ruy Lopez, Exchange variation doubly deferred (DERLD) | 568 | 35.6% | 50.5% |
| E90 | King's Indian, 5.Nf3 | 566 | 25.8% | 53.9% |
| A89 | Dutch, Leningrad, Main variation with Nc6 | 565 | 29.2% | 60.6% |
| D05 | Queen's pawn game, Zukertort variation | 564 | 27.7% | 55.1% |
| C70 | Ruy Lopez, | 559 | 27.9% | 54.0% |
| D86 | Gruenfeld, Exchange, Classical variation | 559 | 35.6% | 54.8% |
| D25 | QGA, 4.e3 | 551 | 27.6% | 56.1% |
| C14 | French, Classical variation | 548 | 28.8% | 58.2% |
| C47 | Four knights, Scotch variation | 542 | 36.7% | 49.2% |
| D41 | QGD; Semi-Tarrasch, 5.cd | 529 | 34.6% | 56.4% |
| D63 | QGD; Orthodox defense, 7.Rc1 | 524 | 33.6% | 53.4% |
| B15 | Caro-Kann defense | 522 | 30.7% | 53.1% |
| D40 | QGD; Semi-Tarrasch defense | 521 | 33.8% | 50.3% |
| C44 | King's pawn game | 505 | 29.3% | 51.5% |
| B96 | Sicilian, Najdorf, 7.f4 | 497 | 29.6% | 51.6% |
| B77 | Sicilian, Dragon, Yugoslav attack, 9.Bc4 | 493 | 25.4% | 55.5% |
| C62 | Ruy Lopez, Old Steinitz defence | 490 | 30.0% | 54.6% |
| E16 | Queen's Indian, Capablanca variation | 487 | 34.1% | 53.8% |
| B21 | Sicilian, Grand Prix attack | 485 | 31.3% | 50.5% |
| D13 | QGD; Slav defense, Exchange variation | 483 | 33.3% | 52.5% |
| A87 | Dutch, Leningrad, Main variation | 456 | 29.4% | 58.6% |
| D04 | Queen's pawn game | 456 | 30.5% | 52.5% |
| C89 | Ruy Lopez, Marshall counter-attack | 455 | 35.2% | 48.1% |
| E47 | Nimzo-Indian, 4.e3 O-O, 5.Bd3 | 453 | 37.5% | 56.7% |
| D92 | Gruenfeld, 5.Bf4 | 452 | 37.4% | 55.4% |
| D87 | Gruenfeld, Exchange, Spassky variation | 439 | 35.5% | 57.4% |
| A59 | Benko gambit, 7.e4 | 432 | 33.1% | 58.4% |
| B74 | Sicilian, Dragon, Classical, 9.Nb3 | 431 | 33.2% | 54.4% |
| C18 | French, Winawer, Advance variation | 428 | 23.8% | 60.3% |
| D78 | Neo-Gruenfeld, 6.O-O c6 | 426 | 34.5% | 55.5% |
| E88 | King's Indian, Saemisch, Orthodox, 7.d5 c6 | 425 | 28.5% | 54.7% |
| E38 | Nimzo-Indian, Classical, 4...c5 | 424 | 32.8% | 57.7% |
| D77 | Neo-Gruenfeld, 6.O-O | 422 | 38.6% | 54.9% |
| E67 | King's Indian, Fianchetto with ...Nd7 | 421 | 34.2% | 53.9% |
| E54 | Nimzo-Indian, 4.e3, Gligoric system with 7...dc | 419 | 35.1% | 52.4% |
| E73 | King's Indian, 5.Be2 | 415 | 27.5% | 51.3% |
| A26 | English Opening, Closed system | 412 | 28.6% | 52.2% |
| A01 | Nimzovich-Larsen attack | 411 | 29.7% | 50.6% |
| A47 | Queen's Indian defense | 410 | 27.3% | 53.2% |
| B25 | Sicilian, Closed | 407 | 27.0% | 48.6% |
| D46 | QGD; Semi-Slav 6.Bd3 | 404 | 30.2% | 55.7% |
| E44 | Nimzo-Indian, Fischer variation, 5.Ne2 | 399 | 29.3% | 53.8% |
| B60 | Sicilian, Richter-Rauzer | 384 | 27.9% | 54.6% |
| B91 | Sicilian, Najdorf, Zagreb (Fianchetto) variation | 381 | 28.6% | 52.6% |
| B41 | Sicilian, Kan variation | 378 | 32.0% | 51.2% |
| C25 | Vienna game | 378 | 32.8% | 48.7% |
| A38 | English Opening, Symmetrical | 377 | 33.7% | 51.1% |
| B61 | Sicilian, Richter-Rauzer, Larsen variation, 7.Qd2 | 375 | 30.4% | 60.0% |
| D29 | QGA; Classical variation 8...Bb7 | 371 | 31.5% | 46.2% |
| A16 | English Opening | 365 | 33.2% | 54.4% |
| B34 | Sicilian, Accelerated Fianchetto, Exchange variation | 365 | 35.9% | 53.3% |
| A11 | English, Caro-Kann defensive system | 358 | 31.8% | 53.4% |
| B88 | Sicilian, Sozin, Leonhardt variation | 353 | 32.3% | 51.0% |
| D59 | QGD; Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5 | 351 | 39.6% | 46.9% |
| B70 | Sicilian, Dragon variation | 350 | 30.0% | 47.0% |
| B53 | Sicilian, Chekhover variation | 348 | 36.2% | 49.4% |
| D73 | Neo-Gruenfeld, 5.Nf3 | 344 | 32.8% | 53.3% |
| A55 | Old Indian, Main line | 343 | 31.8% | 61.1% |
| E43 | Nimzo-Indian, Fischer variation | 340 | 30.9% | 54.6% |
| E34 | Nimzo-Indian, Classical, Noa variation | 335 | 38.2% | 53.7% |
| E45 | Nimzo-Indian, 4.e3, Bronstein (Byrne) variation | 325 | 35.4% | 54.0% |
| C72 | Ruy Lopez, Modern Steinitz defense 5.0-0 | 324 | 29.6% | 58.3% |
| D21 | QGA, 3.Nf3 | 320 | 24.4% | 59.4% |
| E48 | Nimzo-Indian, 4.e3 O-O, 5.Bd3 d5 | 319 | 34.8% | 50.6% |
| D23 | Queen's gambit accepted | 315 | 32.4% | 47.9% |
| B26 | Sicilian, Closed, 6.Be3 | 310 | 24.5% | 48.7% |
| E71 | King's Indian, Makagonov system (5.h3) | 307 | 28.7% | 56.4% |
| E86 | King's Indian, Saemisch, Orthodox, 7.Nge2 c6 | 302 | 26.2% | 54.5% |
| D67 | QGD; Orthodox defense, Bd3 line, Capablanca freeing manoever | 299 | 42.1% | 61.5% |
| D99 | Gruenfeld defense, Smyslov, Main line | 291 | 35.4% | 61.3% |
| C82 | Ruy Lopez, Open, 9.c3 | 290 | 34.1% | 61.2% |
| C98 | Ruy Lopez, Closed, Chigorin, 12...Nc6 | 290 | 23.8% | 61.2% |
| B05 | Alekhine's defense, Modern variation, 4...Bg4 | 289 | 31.5% | 63.5% |
| D93 | Gruenfeld with 5. Bf4 O-O 6. e3 | 283 | 42.4% | 59.4% |
| D80 | Gruenfeld defense | 281 | 31.0% | 54.3% |
| D56 | QGD; Lasker defense | 279 | 33.7% | 49.5% |
| D16 | QGD; Slav accepted, Alapin variation | 278 | 35.3% | 60.1% |
| D76 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6 | 276 | 38.0% | 56.7% |
| E66 | King's Indian, Fianchetto, Yugoslav Panno | 274 | 29.9% | 55.8% |
| C24 | Bishop's Opening, Berlin defense | 272 | 34.2% | 56.4% |
| D79 | Neo-Gruenfeld, 6.O-O, Main line | 268 | 38.4% | 53.9% |
| A39 | English Opening, Symmetrical, Main line with d4 | 266 | 32.3% | 55.3% |
| A62 | Benoni, Fianchetto variation | 265 | 26.8% | 60.2% |
| E49 | Nimzo-Indian, 4.e3, Botvinnik system | 265 | 30.9% | 44.9% |
| D14 | QGD; Slav defense, Exchange variation | 264 | 33.0% | 51.3% |
| C86 | Worrall attack | 263 | 33.1% | 51.9% |
| D24 | QGA, 4.Nc3 | 261 | 30.7% | 53.3% |
| D03 | Torre attack, Tartakower variation | 260 | 31.5% | 51.9% |
| D42 | QGD; Semi-Tarrasch, 7.Bd3 | 255 | 32.5% | 51.6% |
| E35 | Nimzo-Indian, Classical, Noa variation, 5. cxd5 exd5 | 254 | 34.6% | 52.4% |
| E99 | King's Indian, Orthodox, Aronin-Taimanov, Main line | 252 | 21.4% | 54.8% |
| D68 | QGD; Orthodox defense, Classical variation | 251 | 39.0% | 55.4% |
| E96 | King's Indian, Orthodox, 7...Nbd7, Main line | 250 | 32.4% | 57.0% |
| C71 | Ruy Lopez, Modern Steinitz defense | 249 | 30.1% | 54.0% |
| E25 | Nimzo-Indian, Saemisch variation, Keres variation | 248 | 32.7% | 49.4% |
| E08 | Catalan, Closed, 7.Qc2 | 247 | 34.8% | 55.1% |
| D01 | Richter-Veresov attack | 244 | 26.2% | 46.7% |
| C26 | Vienna, Falkbeer variation | 243 | 30.9% | 53.3% |
| E01 | Catalan, closed | 242 | 37.2% | 54.5% |
| E33 | Nimzo-Indian, Classical variation, 4...Nc6 | 238 | 29.4% | 55.9% |
| E30 | Nimzo-Indian, Leningrad variation, | 232 | 27.2% | 50.2% |
| B37 | Sicilian, Accelerated Fianchetto, Maroczy bind, 5...Bg7 | 231 | 39.0% | 53.7% |
| D90 | Gruenfeld, Three knights variation | 231 | 34.6% | 55.8% |
| B24 | Sicilian, Closed | 230 | 25.2% | 48.3% |
| E87 | King's Indian, Saemisch, Orthodox, 7.d5 | 229 | 21.0% | 64.6% |
| B73 | Sicilian, Dragon, Classical, 8.O-O | 224 | 35.7% | 53.1% |
| C73 | Ruy Lopez, Modern Steinitz defense, Richter variation | 221 | 28.1% | 50.7% |
| D98 | Gruenfeld, Russian, Smyslov variation | 221 | 34.4% | 58.8% |
| E52 | Nimzo-Indian, 4.e3, Main line with ...b6 | 220 | 27.3% | 55.9% |
| A96 | Dutch, Classical variation | 219 | 29.7% | 65.1% |
| B02 | Alekhine's defense | 219 | 28.8% | 56.4% |
| C22 | center game | 218 | 18.8% | 64.9% |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 214 | 37.4% | 54.2% |
| D32 | QGD; Tarrasch defense | 213 | 31.0% | 54.5% |
| B94 | Sicilian, Najdorf, 6.Bg5 | 212 | 25.0% | 47.9% |
| A95 | Dutch, Stonewall with Nc3 | 210 | 28.6% | 55.2% |
| B11 | Caro-Kann, Two knights, 3...Bg4 | 210 | 31.9% | 51.2% |
| D61 | QGD; Orthodox defense, Rubinstein variation | 208 | 30.8% | 54.8% |
| C93 | Ruy Lopez, closed, Smyslov defense | 207 | 35.7% | 61.8% |
| A77 | Benoni, Classical, 9...Re8, 10.Nd2 | 206 | 24.8% | 50.2% |
| C68 | Ruy Lopez, Exchange variation | 205 | 36.6% | 52.0% |
| D62 | QGD; Orthodox defense, 7.Qc2 c5, 8.cd (Rubinstein) | 204 | 44.6% | 52.2% |
| A99 | Dutch, Ilyin-Genevsky variation with b3 | 203 | 32.5% | 64.5% |
| B98 | Sicilian, Najdorf, 7...Be7 | 202 | 32.7% | 54.0% |
| C76 | Ruy Lopez, Modern Steinitz defense, Fianchetto (Bronstein) variation | 202 | 32.2% | 50.2% |
| D06 | Queen's Gambit | 202 | 34.7% | 60.9% |
| B95 | Sicilian, Najdorf, 6...e6 | 200 | 31.0% | 46.5% |
| D82 | Gruenfeld 4.Bf4 | 198 | 34.8% | 55.8% |
| E77 | King's Indian, Four pawns attack, 6.Be2 | 197 | 31.0% | 50.5% |
| C60 | Ruy Lopez | 196 | 28.6% | 55.1% |
| B62 | Sicilian, Richter-Rauzer, 6...e6 | 195 | 26.2% | 47.9% |
| C79 | Ruy Lopez, Steinitz defense deferred (Russian defence) | 195 | 29.7% | 51.8% |
| E09 | Catalan, Closed, Main line | 194 | 36.6% | 56.4% |
| A12 | English, Caro-Kann defensive system | 193 | 28.0% | 50.3% |
| C21 | center game | 189 | 46.6% | 65.6% |
| D89 | Gruenfeld, Spassky variation, Main line, 13.Bd3 | 188 | 35.6% | 49.7% |
| E13 | Queen's Indian, 4.Nc3, Main line | 180 | 32.8% | 55.3% |
| B68 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defense, 9...Be7 | 177 | 27.7% | 48.3% |
| C87 | Ruy Lopez, Closed, Averbach variation | 177 | 30.5% | 59.3% |
| C40 | King's knight Opening | 176 | 26.1% | 63.1% |
| C75 | Ruy Lopez, Modern Steinitz defense | 175 | 29.7% | 56.6% |
| A79 | Benoni, Classical, 11.f3 | 172 | 24.4% | 66.9% |
| C04 | French, Tarrasch, Guimard Main line | 170 | 21.2% | 59.4% |
| E05 | Catalan, Open, Classical line | 170 | 33.5% | 53.2% |
| D64 | QGD; Orthodox defense, Rubinstein attack (with Rc1) | 168 | 44.0% | 52.4% |
| A64 | Benoni, Fianchetto variation, 11...Re8 | 167 | 27.5% | 56.3% |
| A92 | Dutch defense | 165 | 35.8% | 57.3% |
| A23 | English Opening, Bremen system, Keres variation | 159 | 33.3% | 51.9% |
| B79 | Sicilian, Dragon, Yugoslav attack, 12.h4 | 156 | 28.8% | 66.3% |
| D66 | QGD; Orthodox defense, Bd3 line | 155 | 41.9% | 57.1% |
| C13 | French, Classical | 154 | 29.9% | 59.1% |
| E76 | King's Indian, Four pawns attack | 153 | 27.5% | 52.9% |
| A27 | English Opening, Three knights system | 148 | 33.8% | 55.4% |
| A54 | Old Indian, Ukrainian variation | 147 | 27.2% | 59.2% |
| A85 | Dutch with 2.c4 & 3.Nc3 | 146 | 37.7% | 57.2% |
| A32 | English Opening, Symmetrical | 145 | 30.3% | 54.5% |
| B16 | Caro-Kann, Bronstein-Larsen variation | 144 | 22.2% | 68.8% |
| C83 | Ruy Lopez, Open, Classical defence | 141 | 39.7% | 60.3% |
| A93 | Dutch, Stonewall, Botwinnik variation | 138 | 24.6% | 58.7% |
| C23 | Bishop's Opening | 138 | 28.3% | 55.4% |
| B75 | Sicilian, Dragon, Yugoslav attack | 127 | 34.6% | 56.7% |
| D18 | QGD; Dutch variation | 127 | 29.9% | 50.4% |
| D28 | QGA; Classical variation 7.Qe2 | 126 | 40.5% | 51.2% |
| C51 | Evans gambit declined | 122 | 23.0% | 41.8% |
| E40 | Nimzo-Indian, 4.e3 | 122 | 18.0% | 57.4% |
| D60 | QGD; Orthodox defense | 121 | 32.2% | 57.4% |
| D88 | Gruenfeld, Spassky variation, Main line, 10...cd, 11.cd | 119 | 46.2% | 57.6% |
| E93 | King's Indian, Petrosian system, Main line | 119 | 31.9% | 52.9% |
| C63 | Ruy Lopez, Schilemann defense | 118 | 30.5% | 55.9% |
| D96 | Gruenfeld, Russian variation | 118 | 34.7% | 52.1% |
| B86 | Sicilian, Sozin attack | 116 | 22.4% | 43.1% |
| A97 | Dutch, Ilyin-Genevsky variation | 115 | 41.7% | 64.3% |
| D95 | Gruenfeld with 5. e3 O-O 6. Qb3 | 114 | 36.0% | 42.5% |
| B28 | Sicilian, O'Kelly variation | 111 | 37.8% | 54.1% |
| C74 | Ruy Lopez, Modern Steinitz defense | 111 | 30.6% | 49.5% |
| C28 | Vienna game | 109 | 22.0% | 53.2% |
| C59 | Two knights defense | 109 | 25.7% | 46.8% |
| D74 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O | 109 | 38.5% | 56.0% |
| E56 | Nimzo-Indian, 4.e3, Main line with 7...Nc6 | 108 | 35.2% | 46.3% |
| A60 | Benoni defense | 107 | 30.8% | 56.5% |
| D71 | Neo-Gruenfeld, 5.cd | 107 | 43.9% | 52.8% |
| E37 | Nimzo-Indian, Classical, Noa variation, Main line, 7.Qc2 | 105 | 34.3% | 59.0% |
| A71 | Benoni, Classical, 8.Bg5 | 103 | 25.2% | 58.3% |
| D53 | QGD; 4.Bg5 Be7 | 103 | 33.0% | 62.1% |
| E79 | King's Indian, Four pawns attack, Main line | 103 | 44.7% | 57.3% |
| E65 | King's Indian, Yugoslav, 7.O-O | 97 | 34.0% | 51.0% |
| C34 | King's knight's gambit | 95 | 22.1% | 43.7% |
| B29 | Sicilian, Nimzovich-Rubinstein variation | 94 | 24.5% | 60.1% |
| C57 | Two knights defense | 93 | 30.1% | 50.5% |
| D22 | QGA; Alekhine defense | 93 | 39.8% | 57.5% |
| E80 | King's Indian, Saemisch variation | 93 | 23.7% | 54.8% |
| D70 | Neo-Gruenfeld defense | 92 | 27.2% | 56.0% |
| E07 | Catalan, Closed, 6...Nbd7 | 91 | 18.7% | 53.3% |
| C30 | King's gambit | 90 | 20.0% | 53.3% |
| A83 | Dutch, Staunton gambit, Staunton's line | 89 | 33.7% | 56.2% |
| D33 | QGD; Tarrasch, Schlechter-Rubinstein system | 88 | 35.2% | 54.0% |
| B59 | Sicilian, Boleslavsky variation, 7.Nb3 | 87 | 41.4% | 52.9% |
| E29 | Nimzo-Indian, Saemisch variation, Main line | 87 | 41.4% | 47.1% |
| A86 | Dutch with 2.c4 & 3.g3 | 86 | 30.2% | 60.5% |
| D51 | QGD; 4.Bg5 Nbd7 | 86 | 30.2% | 53.5% |
| A94 | Dutch, Stonewall with Ba3 | 84 | 39.3% | 55.4% |
| D75 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3 | 83 | 43.4% | 53.0% |
| E51 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5 | 83 | 37.3% | 57.2% |
| B72 | Sicilian, Dragon, 6.Be3 | 82 | 24.4% | 52.4% |
| C39 | King's knight's gambit | 80 | 25.0% | 35.0% |
| D50 | QGD; 4.Bg5 | 76 | 23.7% | 51.3% |
| A19 | English, Mikenas-Carls, Sicilian variation | 73 | 28.8% | 51.4% |
| A98 | Dutch, Ilyin-Genevsky variation with Qc2 | 73 | 31.5% | 66.4% |
| A72 | Benoni, Classical without 9.O-O | 72 | 29.2% | 60.4% |
| E64 | King's Indian, Fianchetto, Yugoslav system | 72 | 29.2% | 54.9% |
| A91 | Dutch defense | 71 | 25.4% | 59.2% |
| D36 | QGD; Exchange, positional line, 6.Qc2 | 68 | 29.4% | 57.4% |
| D83 | Gruenfeld gambit | 65 | 33.8% | 47.7% |
| E82 | King's Indian, Saemisch, double Fianchetto variation | 65 | 26.2% | 53.1% |
| C33 | King's gambit accepted | 64 | 20.3% | 39.8% |
| C52 | Evans gambit | 64 | 25.0% | 46.9% |
| C94 | Ruy Lopez, Closed, Breyer defense | 64 | 45.3% | 60.2% |
| E24 | Nimzo-Indian, Saemisch variation | 63 | 19.0% | 55.6% |
| A52 | Budapest defense | 62 | 32.3% | 59.7% |
| E31 | Nimzo-Indian, Leningrad variation, main line | 62 | 29.0% | 48.4% |
| E74 | King's Indian, Averbakh, 6...c5 | 62 | 22.6% | 58.1% |
| A75 | Benoni, Classical with ...a6 and 10...Bg4 | 61 | 29.5% | 55.7% |
| E02 | Catalan, open, 5.Qa4 | 61 | 39.3% | 57.4% |
| C81 | Ruy Lopez, Open, Howell attack | 58 | 43.1% | 61.2% |
| C58 | Two knights defense | 55 | 30.9% | 55.5% |
| A69 | Benoni, Four pawns attack, Main line | 54 | 35.2% | 32.4% |
| A65 | Benoni, 6.e4 | 52 | 23.1% | 50.0% |
| C29 | Vienna gambit, Kaufmann variation | 51 | 25.5% | 55.9% |
| A78 | Benoni, Classical with ...Re8 and ...Na6 | 50 | 32.0% | 56.0% |
| E36 | Nimzo-Indian, Classical, Noa variation, 5. a3 | 50 | 20.0% | 60.0% |
| A03 | Bird's Opening | 47 | 25.5% | 51.1% |
| C61 | Ruy Lopez, Bird's defense | 45 | 33.3% | 56.7% |
| C54 | Guioco piano | 44 | 27.3% | 47.7% |
| D81 | Gruenfeld; Russian variation | 44 | 43.2% | 51.1% |
| E83 | King's Indian, Saemisch, 6...Nc6 | 42 | 16.7% | 51.2% |
| C20 | King's pawn game | 41 | 31.7% | 45.1% |
| C27 | Vienna game | 41 | 31.7% | 40.2% |
| E26 | Nimzo-Indian, Saemisch variation, 4. a3 Bxc3+ 5. bxc3 c5 6. e3 | 41 | 26.8% | 52.4% |
| A63 | Benoni, Fianchetto variation, 9...Nbd7 | 40 | 35.0% | 60.0% |
| C56 | Two knights defense | 40 | 37.5% | 46.3% |
| E22 | Nimzo-Indian, Spielmann variation | 40 | 32.5% | 48.8% |
| B55 | Sicilian, Prins variation, Venice attack | 39 | 28.2% | 50.0% |
| A18 | English, Mikenas-Carls variation | 38 | 21.1% | 60.5% |
| A67 | Benoni, Taimanov variation | 38 | 23.7% | 59.2% |
| A44 | Old Benoni defence | 37 | 32.4% | 48.6% |
| C36 | KGA, Abbazia defense (Classical defense, Modern defense) | 37 | 35.1% | 52.7% |
| D72 | Neo-Gruenfeld, 5.cd, Main line | 36 | 33.3% | 52.8% |
| D57 | QGD; Lasker defense, Main line | 35 | 42.9% | 55.7% |
| A76 | Benoni, Classical, 9...Re8 | 33 | 21.2% | 59.1% |
| A02 | Bird's Opening | 32 | 6.3% | 59.4% |
| E28 | Nimzo-Indian, Saemisch variation, 6. e3 | 32 | 28.1% | 57.8% |
| E89 | King's Indian, Saemisch, Orthodox Main line | 32 | 18.8% | 62.5% |
| A73 | Benoni, Classical, 9.O-O | 30 | 26.7% | 50.0% |
| E85 | King's Indian, Saemisch, Orthodox variation | 29 | 24.1% | 60.3% |
| D08 | QGD; Albin counter-gambit | 27 | 25.9% | 53.7% |
| D84 | Gruenfeld gambit accepted | 27 | 33.3% | 72.2% |
| E50 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d5 | 27 | 25.9% | 42.6% |
| E72 | King's Indian with e4 & g3 | 26 | 26.9% | 59.6% |
| E75 | King's Indian, Averbakh, Main line | 25 | 20.0% | 50.0% |
| B71 | Sicilian, Dragon, Levenfish variation | 22 | 40.9% | 43.2% |
| A82 | Dutch, Staunton gambit | 21 | 42.9% | 54.8% |
| E23 | Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc6 | 21 | 33.3% | 64.3% |
| D09 | QGD; Albin counter-gambit, 5.g3 | 20 | 35.0% | 62.5% |
| D69 | QGD; Orthodox defense, Classical, 13.dxe5 | 20 | 65.0% | 47.5% |
| A24 | English Opening, Bremen system with 3...g6 | 18 | 5.6% | 69.4% |
| C35 | KGA, Cunningham defense | 18 | 27.8% | 30.6% |
| A51 | Budapest defense declined | 15 | 13.3% | 73.3% |
| C31 | KGD, Falkbeer counter-gambit | 15 | 13.3% | 46.7% |
| C37 | KGA, Quaade gambit | 13 | 15.4% | 23.1% |
| E03 | Catalan, open, Alekhine variation | 13 | 23.1% | 42.3% |
| D54 | QGD; Anti-neo-Orthodox variation | 11 | 36.4% | 54.5% |
| D65 | QGD; Orthodox defense, Rubinstein attack, Main line | 11 | 27.3% | 40.9% |
| E27 | Nimzo-Indian, Saemisch variation, 5...0-0 | 11 | 36.4% | 36.4% |
| C32 | KGD, Falkbeer, 5. dxe4 | 7 | 28.6% | 28.6% |
| A66 | Benoni, pawn storm variation | 6 | 50.0% | 58.3% |
| A74 | Benoni, Classical, 9...a6, 10.a4 | 6 | 16.7% | 91.7% |
| C38 | King's knight's gambit | 5 | 20.0% | 30.0% |
| E78 | King's Indian, Four pawns attack, with Be2 and Nf3 | 5 | 60.0% | 50.0% |
| A68 | Benoni, Four pawns attack | 3 | 0.0% | 66.7% |
|
Created in 2005-2008 by CCRL team
Last games added on June 25, 2010 |