CCRL 40/4
Downloads and Statistics
December 27, 2008
|
Testing summary:
Total: 378'401 gamesplayed by 729 programs 5738 CPU days (X2 4600+) White wins: 144'367 (38.2%) Black wins: 114'376 (30.2%) Draws: 119'658 (31.6%) White score: 54.0% |
CCRL 40/4
Downloads and Statistics
December 27, 2008
|
Testing summary:
Total: 378'401 gamesplayed by 729 programs 5738 CPU days (X2 4600+) White wins: 144'367 (38.2%) Black wins: 114'376 (30.2%) Draws: 119'658 (31.6%) White score: 54.0% |
This page shows how many games in our database were played from various known openings. The table also shows average draw percentage and white score we observed in our games.
| ECO | Opening | Number of games | Draws | White score | Bare PGN |
| C22 | Centre game | 1 | 0.0% | 100.0% | 0.00 MB |
| C29 | Vienna gambit | 2 | 0.0% | 100.0% | 0.00 MB |
| E77 | King's Indian, Six pawns attack | 1 | 0.0% | 100.0% | 0.00 MB |
| C29 | Vienna gambit, Paulsen attack | 1 | 0.0% | 100.0% | 0.00 MB |
| C45 | Scotch, Blumenfeld attack | 1 | 0.0% | 100.0% | 0.00 MB |
| C83 | Ruy Lopez, open, Breslau variation | 1 | 0.0% | 100.0% | 0.00 MB |
| D50 | QGD, Been-Koomen variation | 1 | 0.0% | 100.0% | 0.00 MB |
| D34 | QGD, Tarrasch, Stoltz variation | 2 | 0.0% | 100.0% | 0.00 MB |
| B02 | Alekhine's defence, Spielmann variation | 1 | 0.0% | 100.0% | 0.00 MB |
| E36 | Nimzo-Indian, classical, Botvinnik variation | 1 | 0.0% | 100.0% | 0.00 MB |
| B03 | Alekhine's defence, four pawns attack, Trifunovic variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C55 | Giuoco piano, Holzhausen attack | 2 | 0.0% | 100.0% | 0.00 MB |
| C41 | Philidor, Hanham, Steiner variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C49 | Four knights, Gunsberg counter-attack | 1 | 0.0% | 100.0% | 0.00 MB |
| A92 | Dutch, stonewall with Nc3 | 1 | 0.0% | 100.0% | 0.00 MB |
| E09 | Catalan, closed, Sokolsky variation | 1 | 0.0% | 100.0% | 0.00 MB |
| D98 | Gruenfeld, Russian, Keres variation | 1 | 0.0% | 100.0% | 0.00 MB |
| A04 | Reti, Lisitsin gambit deferred | 2 | 0.0% | 100.0% | 0.00 MB |
| A83 | Dutch, Staunton gambit, Nimzovich variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C67 | Ruy Lopez, Berlin defence, Trifunovic variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C12 | French, MacCutcheon, Duras variation | 1 | 0.0% | 100.0% | 0.00 MB |
| D55 | QGD, Pillsbury attack | 1 | 0.0% | 100.0% | 0.00 MB |
| C65 | Ruy Lopez, Berlin defence, Kaufmann variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C54 | Giuoco Piano, Moeller, bayonet attack | 1 | 0.0% | 100.0% | 0.00 MB |
| C50 | Hungarian defence, Tartakower variation | 1 | 0.0% | 100.0% | 0.00 MB |
| A82 | Dutch, Staunton gambit | 3 | 0.0% | 100.0% | 0.00 MB |
| B00 | KP, Colorado counter | 2 | 0.0% | 100.0% | 0.00 MB |
| E08 | Catalan, closed, Spassky gambit | 1 | 0.0% | 100.0% | 0.00 MB |
| C70 | Ruy Lopez, Schliemann defence deferred | 1 | 0.0% | 100.0% | 0.00 MB |
| C52 | Evans gambit, Waller attack | 1 | 0.0% | 100.0% | 0.00 MB |
| D26 | QGA, classical, Furman variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C33 | KGA, bishop's gambit, McDonnell attack | 1 | 0.0% | 100.0% | 0.00 MB |
| C52 | Evans gambit, compromised defence, Paulsen variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C64 | Ruy Lopez, Cordel gambit | 2 | 0.0% | 100.0% | 0.00 MB |
| C58 | Two knights defence, Paoli variation | 1 | 0.0% | 100.0% | 0.00 MB |
| B13 | Caro-Kann, Panov-Botvinnik, Gunderam attack | 1 | 0.0% | 100.0% | 0.00 MB |
| C44 | Scotch gambit | 1 | 0.0% | 100.0% | 0.00 MB |
| C83 | Ruy Lopez, open, Malkin variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C22 | Centre game, Charousek variation | 1 | 0.0% | 100.0% | 0.00 MB |
| A22 | English, Bellon gambit | 1 | 0.0% | 100.0% | 0.00 MB |
| B09 | Pirc, Austrian attack, Ljubojevic variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C33 | KGA, bishop's gambit, Steinitz defence | 3 | 0.0% | 100.0% | 0.00 MB |
| C26 | Vienna, Mengarini variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C57 | Two knights defence, Wilkes Barre (Traxler) variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C31 | KGD, Falkbeer, Morphy gambit | 1 | 0.0% | 100.0% | 0.00 MB |
| C30 | KGD, classical, Reti variation | 1 | 0.0% | 100.0% | 0.00 MB |
| B02 | Alekhine's defence, Brooklyn defence | 1 | 0.0% | 100.0% | 0.00 MB |
| C13 | French, Albin-Alekhine-Chatard attack, Maroczy variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C44 | Ponziani counter-gambit, Cordel variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C53 | Giuoco Piano, LaBourdonnais variation | 2 | 0.0% | 100.0% | 0.00 MB |
| D51 | QGD, Capablanca anti-Cambridge Springs variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C41 | Philidor, Hanham, Schlechter variation | 2 | 0.0% | 100.0% | 0.00 MB |
| D41 | QGD, Semi-Tarrasch, Kmoch variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C39 | KGA, Allgaier gambit | 1 | 0.0% | 100.0% | 0.00 MB |
| C51 | Evans gambit declined, Cordel variation | 1 | 0.0% | 100.0% | 0.00 MB |
| A74 | Benoni, classical, 9...a6, 10.a4 | 5 | 20.0% | 90.0% | 0.00 MB |
| D29 | QGA, classical, Smyslov variation | 5 | 20.0% | 90.0% | 0.00 MB |
| D26 | QGA, classical, Steinitz variation | 5 | 20.0% | 90.0% | 0.00 MB |
| C12 | French, MacCutcheon, Bogolyubov variation | 4 | 25.0% | 87.5% | 0.00 MB |
| D45 | QGD semi-Slav, stonewall defence | 7 | 0.0% | 85.7% | 0.00 MB |
| A43 | Old Benoni, Mujannah formation | 10 | 10.0% | 85.0% | 0.00 MB |
| C53 | Giuoco Piano, centre-holding variation | 6 | 0.0% | 83.3% | 0.00 MB |
| E23 | Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc6 | 3 | 33.3% | 83.3% | 0.00 MB |
| C00 | French, Reti (Spielmann) variation | 3 | 33.3% | 83.3% | 0.00 MB |
| D22 | QGA, Alekhine defence, Alatortsev variation | 3 | 33.3% | 83.3% | 0.00 MB |
| C96 | Ruy Lopez, closed, Rossolimo defence | 3 | 33.3% | 83.3% | 0.00 MB |
| C57 | Two knights defence, Ulvestad variation | 11 | 18.2% | 81.8% | 0.00 MB |
| C02 | French, advance, Milner-Barry gambit | 11 | 18.2% | 81.8% | 0.00 MB |
| C81 | Ruy Lopez, open, Howell attack, Ekstroem variation | 8 | 37.5% | 81.3% | 0.00 MB |
| B64 | Sicilian, Richter-Rauzer, Rauzer attack, Geller variation | 8 | 12.5% | 81.3% | 0.00 MB |
| C00 | French, Wing gambit | 5 | 40.0% | 80.0% | 0.00 MB |
| A24 | English, Bremen system with ...g6 | 10 | 0.0% | 80.0% | 0.00 MB |
| C40 | Greco defence | 5 | 0.0% | 80.0% | 0.00 MB |
| A18 | English, Mikenas-Carls variation | 5 | 40.0% | 80.0% | 0.00 MB |
| C82 | Ruy Lopez, open, Berlin variation | 5 | 0.0% | 80.0% | 0.00 MB |
| E21 | Nimzo-Indian, three knights, Korchnoi variation | 5 | 40.0% | 80.0% | 0.00 MB |
| D33 | QGD, Tarrasch, Schlechter-Rubinstein system | 5 | 40.0% | 80.0% | 0.00 MB |
| B41 | Sicilian, Kan, Maroczy bind - Bronstein variation | 7 | 42.9% | 78.6% | 0.00 MB |
| D52 | QGD, Cambridge Springs defence, 7.cd | 14 | 14.3% | 78.6% | 0.00 MB |
| A12 | English, Caro-Kann defensive system, Bogolyubov variation | 23 | 26.1% | 78.3% | 0.01 MB |
| C06 | French, Tarrasch, Leningrad variation | 11 | 9.1% | 77.3% | 0.00 MB |
| D86 | Gruenfeld, exchange, Simagin's lesser variation | 13 | 30.8% | 76.9% | 0.00 MB |
| C30 | KGD, classical variation | 15 | 6.7% | 76.7% | 0.00 MB |
| C29 | Vienna gambit, Breyer variation | 17 | 23.5% | 76.5% | 0.00 MB |
| A09 | Reti accepted, Keres variation | 19 | 5.3% | 76.3% | 0.00 MB |
| B13 | Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation | 2 | 50.0% | 75.0% | 0.00 MB |
| C67 | Ruy Lopez, Berlin defence, Rio de Janeiro variation | 4 | 50.0% | 75.0% | 0.00 MB |
| C12 | French, MacCutcheon, Dr. Olland (Dutch) variation | 8 | 25.0% | 75.0% | 0.00 MB |
| A21 | English, Keres variation | 2 | 50.0% | 75.0% | 0.00 MB |
| C41 | Philidor, Hanham, Delmar variation | 2 | 50.0% | 75.0% | 0.00 MB |
| A52 | Budapest, Adler variation | 8 | 50.0% | 75.0% | 0.00 MB |
| D63 | QGD, Orthodox defence, Pillsbury attack | 2 | 50.0% | 75.0% | 0.00 MB |
| C70 | Ruy Lopez, Cozio defence deferred | 4 | 50.0% | 75.0% | 0.00 MB |
| D50 | QGD, Semi-Tarrasch | 2 | 50.0% | 75.0% | 0.00 MB |
| C13 | French, classical, Tartakower variation | 6 | 16.7% | 75.0% | 0.00 MB |
| B03 | Alekhine's defence, exchange, Karpov variation | 2 | 50.0% | 75.0% | 0.00 MB |
| D31 | QGD, semi-Slav, Koomen variation | 8 | 25.0% | 75.0% | 0.00 MB |
| D66 | QGD, Orthodox defence, Bd3 line, fianchetto variation | 4 | 50.0% | 75.0% | 0.00 MB |
| C83 | Ruy Lopez, open, classical defence | 24 | 41.7% | 75.0% | 0.01 MB |
| C47 | Four knights, Scotch variation | 4 | 50.0% | 75.0% | 0.00 MB |
| D32 | QGD, Tarrasch defence, Marshall gambit | 2 | 50.0% | 75.0% | 0.00 MB |
| C14 | French, classical, Stahlberg variation | 2 | 50.0% | 75.0% | 0.00 MB |
| A00 | Saragossa opening | 14 | 7.1% | 75.0% | 0.00 MB |
| A52 | Budapest, Rubinstein variation | 8 | 25.0% | 75.0% | 0.00 MB |
| C12 | French, MacCutcheon, advance variation | 2 | 50.0% | 75.0% | 0.00 MB |
| A12 | English, Caro-Kann defensive system | 25 | 28.0% | 74.0% | 0.01 MB |
| A20 | English, Nimzovich variation | 13 | 23.1% | 73.1% | 0.01 MB |
| C41 | Philidor, Larsen variation | 11 | 36.4% | 72.7% | 0.00 MB |
| D90 | Gruenfeld, Flohr variation | 11 | 36.4% | 72.7% | 0.00 MB |
| A83 | Dutch, Staunton gambit, Staunton's line | 11 | 36.4% | 72.7% | 0.00 MB |
| D41 | QGD, Semi-Tarrasch, San Sebastian variation | 20 | 25.0% | 72.5% | 0.01 MB |
| E62 | King's Indian, fianchetto, Simagin variation | 29 | 20.7% | 72.4% | 0.01 MB |
| A25 | English, closed, Hort variation | 9 | 33.3% | 72.2% | 0.00 MB |
| A81 | Dutch defence, Blackburne variation | 9 | 11.1% | 72.2% | 0.00 MB |
| C23 | Bishop's opening, Philidor counter-attack | 23 | 47.8% | 71.7% | 0.01 MB |
| A18 | English, Mikenas-Carls, Flohr variation | 7 | 28.6% | 71.4% | 0.00 MB |
| B07 | Pirc, bayonet (Mariotti) attack | 14 | 28.6% | 71.4% | 0.00 MB |
| E02 | Catalan, open, 5.Qa4 | 14 | 28.6% | 71.4% | 0.00 MB |
| D05 | Queen's pawn game, Zukertort variation | 12 | 8.3% | 70.8% | 0.00 MB |
| C36 | KGA, Abbazia defence, modern variation | 17 | 35.3% | 70.6% | 0.00 MB |
| A36 | English, symmetrical variation | 32 | 15.6% | 70.3% | 0.01 MB |
| C13 | French, Albin-Alekhine-Chatard attack | 30 | 40.0% | 70.0% | 0.01 MB |
| C34 | KGA, Becker defence | 5 | 20.0% | 70.0% | 0.00 MB |
| A97 | Dutch, Ilyin-Genevsky variation | 5 | 20.0% | 70.0% | 0.00 MB |
| E36 | Nimzo-Indian, classical, Noa variation, 5.a3 | 20 | 20.0% | 70.0% | 0.01 MB |
| C80 | Ruy Lopez, open, Tartakower variation | 10 | 40.0% | 70.0% | 0.00 MB |
| A56 | Czech Benoni defence | 90 | 27.8% | 69.4% | 0.02 MB |
| A99 | Dutch, Ilyin-Genevsky variation with b3 | 52 | 23.1% | 69.2% | 0.01 MB |
| C53 | Giuoco Piano, close variation | 13 | 46.2% | 69.2% | 0.00 MB |
| C96 | Ruy Lopez, closed, Borisenko defence | 39 | 30.8% | 69.2% | 0.01 MB |
| C13 | French, Albin-Alekhine-Chatard attack, Spielmann variation | 13 | 30.8% | 69.2% | 0.00 MB |
| A79 | Benoni, classical, 11.f3 | 81 | 17.3% | 69.1% | 0.02 MB |
| A96 | Dutch, classical variation | 63 | 17.5% | 69.0% | 0.02 MB |
| D46 | QGD semi-Slav, Bogolyubov variation | 42 | 28.6% | 69.0% | 0.01 MB |
| B03 | Alekhine's defence, four pawns attack, fianchetto variation | 8 | 37.5% | 68.8% | 0.00 MB |
| A59 | Benko gambit | 24 | 29.2% | 68.8% | 0.01 MB |
| C81 | Ruy Lopez, open, Howell attack | 33 | 39.4% | 68.2% | 0.01 MB |
| A42 | Modern defence, Averbakh system, Kotov variation | 11 | 45.5% | 68.2% | 0.00 MB |
| D99 | Gruenfeld defence, Smyslov, Yugoslav variation | 22 | 36.4% | 68.2% | 0.01 MB |
| E10 | Blumenfeld counter-gambit, Spielmann variation | 11 | 27.3% | 68.2% | 0.00 MB |
| C86 | Ruy Lopez, Worrall attack | 14 | 35.7% | 67.9% | 0.00 MB |
| A90 | Dutch defence, Dutch-Indian (Nimzo-Dutch) variation | 48 | 27.1% | 67.7% | 0.01 MB |
| C96 | Ruy Lopez, closed, Keres (...Nd7) defence | 161 | 36.0% | 67.7% | 0.04 MB |
| B16 | Caro-Kann, Bronstein-Larsen variation | 85 | 22.4% | 67.6% | 0.02 MB |
| E74 | King's Indian, Averbakh, 6...c5 | 37 | 21.6% | 67.6% | 0.01 MB |
| C14 | French, classical, Rubinstein variation | 6 | 0.0% | 66.7% | 0.00 MB |
| C60 | Ruy Lopez, Cozio defence, Paulsen variation | 3 | 0.0% | 66.7% | 0.00 MB |
| B24 | Sicilian, closed, Smyslov variation | 3 | 66.7% | 66.7% | 0.00 MB |
| B72 | Sicilian, dragon, classical, Grigoriev variation | 6 | 33.3% | 66.7% | 0.00 MB |
| C67 | Ruy Lopez, Berlin defence, Minckwitz variation | 6 | 33.3% | 66.7% | 0.00 MB |
| A51 | Budapest, Fajarowicz variation | 3 | 0.0% | 66.7% | 0.00 MB |
| C83 | Ruy Lopez, open, 9...Be7, 10.Re1 | 6 | 66.7% | 66.7% | 0.00 MB |
| A68 | Benoni, four pawns attack | 3 | 0.0% | 66.7% | 0.00 MB |
| B98 | Sicilian, Najdorf, 7...Be7 | 24 | 25.0% | 66.7% | 0.01 MB |
| B02 | Alekhine's defence | 18 | 33.3% | 66.7% | 0.01 MB |
| D64 | QGD, Orthodox defence, Rubinstein attack, Wolf variation | 12 | 16.7% | 66.7% | 0.00 MB |
| A06 | Reti, old Indian attack | 3 | 0.0% | 66.7% | 0.00 MB |
| E32 | Nimzo-Indian, classical, Adorjan gambit | 54 | 25.9% | 66.7% | 0.01 MB |
| C48 | Four knights, Marshall variation | 3 | 66.7% | 66.7% | 0.00 MB |
| C31 | KGD, Falkbeer counter-gambit | 3 | 0.0% | 66.7% | 0.00 MB |
| C45 | Scotch, Blackburne attack | 3 | 66.7% | 66.7% | 0.00 MB |
| A16 | English, Anglo-Gruenfeld, Czech defense | 9 | 22.2% | 66.7% | 0.00 MB |
| B25 | Sicilian, closed | 21 | 28.6% | 66.7% | 0.01 MB |
| A00 | Amsterdam attack | 3 | 0.0% | 66.7% | 0.00 MB |
| B72 | Sicilian, dragon, classical attack | 9 | 22.2% | 66.7% | 0.00 MB |
| C41 | Philidor, Hanham, Krause variation | 3 | 0.0% | 66.7% | 0.00 MB |
| C78 | Ruy Lopez, Wing attack | 3 | 0.0% | 66.7% | 0.00 MB |
| C15 | French, Winawer, Kondratiyev variation | 3 | 66.7% | 66.7% | 0.00 MB |
| C53 | Giuoco Piano, Anderssen variation | 3 | 66.7% | 66.7% | 0.00 MB |
| C42 | Petrov, Damiano variation | 6 | 33.3% | 66.7% | 0.00 MB |
| B06 | Robatsch defence, Pseudo-Austrian attack | 138 | 28.3% | 66.3% | 0.03 MB |
| D70 | Neo-Gruenfeld defence | 46 | 19.6% | 66.3% | 0.01 MB |
| C92 | Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation | 221 | 33.9% | 66.3% | 0.05 MB |
| E80 | King's Indian, Saemisch variation | 43 | 20.9% | 66.3% | 0.01 MB |
| E40 | Nimzo-Indian, 4.e3 | 43 | 30.2% | 66.3% | 0.01 MB |
| D22 | QGA, Alekhine defence | 37 | 40.5% | 66.2% | 0.01 MB |
| A53 | Old Indian, Janowski variation | 25 | 20.0% | 66.0% | 0.01 MB |
| D47 | QGD semi-Slav, 7.Bc4 | 19 | 26.3% | 65.8% | 0.01 MB |
| D86 | Gruenfeld, exchange, Simagin's improved variation | 35 | 28.6% | 65.7% | 0.01 MB |
| C80 | Ruy Lopez, open, 6.d4 | 16 | 31.3% | 65.6% | 0.00 MB |
| C42 | Petrov, classical attack, Mason variation | 16 | 43.8% | 65.6% | 0.01 MB |
| C89 | Ruy Lopez, Marshall counter-attack | 45 | 42.2% | 65.6% | 0.01 MB |
| C18 | French, Winawer, advance variation | 87 | 25.3% | 65.5% | 0.02 MB |
| D14 | QGD Slav, exchange, Trifunovic variation | 29 | 48.3% | 65.5% | 0.01 MB |
| C21 | Centre game | 126 | 46.8% | 65.5% | 0.03 MB |
| E67 | King's Indian, fianchetto with ...Nd7 | 26 | 30.8% | 65.4% | 0.01 MB |
| D33 | QGD, Tarrasch, Prague variation | 10 | 30.0% | 65.0% | 0.00 MB |
| B77 | Sicilian, dragon, Yugoslav attack, 9.Bc4 | 50 | 26.0% | 65.0% | 0.01 MB |
| D16 | QGD Slav, Smyslov variation | 20 | 40.0% | 65.0% | 0.01 MB |
| B56 | Sicilian, Venice attack | 27 | 33.3% | 64.8% | 0.01 MB |
| C82 | Ruy Lopez, open, St. Petersburg variation | 51 | 39.2% | 64.7% | 0.01 MB |
| A56 | Czech Benoni, King's Indian system | 17 | 47.1% | 64.7% | 0.01 MB |
| D56 | QGD, Lasker defence, Teichmann variation | 17 | 23.5% | 64.7% | 0.01 MB |
| B09 | Pirc, Austrian attack, 6.Bd3 | 358 | 33.5% | 64.5% | 0.07 MB |
| D26 | QGA, classical variation, 6.O-O | 38 | 28.9% | 64.5% | 0.01 MB |
| E94 | King's Indian, orthodox, Donner variation | 59 | 27.1% | 64.4% | 0.02 MB |
| D75 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc | 7 | 14.3% | 64.3% | 0.00 MB |
| C61 | Ruy Lopez, Bird's defence | 21 | 42.9% | 64.3% | 0.01 MB |
| D06 | Queen's Gambit | 7 | 14.3% | 64.3% | 0.00 MB |
| A95 | Dutch, stonewall: Chekhover variation | 7 | 14.3% | 64.3% | 0.00 MB |
| C82 | Ruy Lopez, open, Dilworth variation | 39 | 30.8% | 64.1% | 0.01 MB |
| D67 | QGD, Orthodox defence, Bd3 line, 11.O-O | 75 | 42.7% | 64.0% | 0.02 MB |
| B04 | Alekhine's defence, modern variation | 79 | 26.6% | 63.9% | 0.02 MB |
| E72 | King's Indian with e4 & g3 | 18 | 27.8% | 63.9% | 0.01 MB |
| A72 | Benoni, classical without 9.O-O | 47 | 25.5% | 63.8% | 0.01 MB |
| B01 | Scandinavian (centre counter) defence | 355 | 34.1% | 63.8% | 0.08 MB |
| E87 | King's Indian, Saemisch, orthodox, 7.d5 | 146 | 23.3% | 63.7% | 0.03 MB |
| D15 | QGD Slav, Schlechter variation | 33 | 24.2% | 63.6% | 0.01 MB |
| C47 | Four knights, Belgrade gambit | 11 | 36.4% | 63.6% | 0.00 MB |
| D46 | QGD semi-Slav, Romih variation | 22 | 18.2% | 63.6% | 0.01 MB |
| A92 | Dutch defence | 11 | 18.2% | 63.6% | 0.00 MB |
| D51 | QGD, 5...c6 | 11 | 18.2% | 63.6% | 0.00 MB |
| C80 | Ruy Lopez, open, Bernstein variation, Karpov gambit | 11 | 72.7% | 63.6% | 0.00 MB |
| D53 | QGD, 4.Bg5 Be7 | 37 | 40.5% | 63.5% | 0.01 MB |
| C22 | Centre game, Berger variation | 131 | 19.8% | 63.4% | 0.02 MB |
| D84 | Gruenfeld, Gruenfeld gambit accepted | 15 | 33.3% | 63.3% | 0.00 MB |
| A85 | Dutch with c4 & Nc3 | 49 | 36.7% | 63.3% | 0.01 MB |
| C26 | Vienna, Paulsen-Mieses variation | 49 | 49.0% | 63.3% | 0.01 MB |
| D36 | QGD, exchange, positional line, 6.Qc2 | 34 | 38.2% | 63.2% | 0.01 MB |
| B29 | Sicilian, Nimzovich-Rubinstein variation | 34 | 38.2% | 63.2% | 0.01 MB |
| D17 | QGD Slav, Wiesbaden variation | 223 | 25.1% | 63.2% | 0.05 MB |
| C95 | Ruy Lopez, closed, Breyer, Gligoric variation | 19 | 21.1% | 63.2% | 0.01 MB |
| B05 | Alekhine's defence, modern variation, 4...Bg4 | 152 | 30.3% | 63.2% | 0.03 MB |
| B04 | Alekhine's defence, modern, Schmid variation | 84 | 26.2% | 63.1% | 0.02 MB |
| C97 | Ruy Lopez, closed, Chigorin defence | 578 | 24.0% | 63.1% | 0.12 MB |
| A42 | Pterodactyl defence | 208 | 27.9% | 63.0% | 0.05 MB |
| D35 | QGD, exchange, Saemisch variation | 58 | 29.3% | 62.9% | 0.01 MB |
| D34 | QGD, Tarrasch, Prague variation, Normal position | 244 | 35.7% | 62.9% | 0.06 MB |
| A78 | Benoni, classical with ...Re8 and ...Na6 | 31 | 29.0% | 62.9% | 0.01 MB |
| B12 | Caro-Kann, 3.Nd2 | 74 | 20.3% | 62.8% | 0.02 MB |
| D25 | QGA, 4.e3 | 43 | 41.9% | 62.8% | 0.01 MB |
| A50 | Queen's Indian accelerated | 47 | 23.4% | 62.8% | 0.01 MB |
| A59 | Benko gambit, Ne2 variation | 12 | 41.7% | 62.5% | 0.00 MB |
| C67 | Ruy Lopez, open Berlin defence, l'Hermet variation | 24 | 16.7% | 62.5% | 0.01 MB |
| C66 | Ruy Lopez, closed Berlin defence, Chigorin variation | 4 | 25.0% | 62.5% | 0.00 MB |
| B04 | Alekhine's defence, modern, Keres variation | 44 | 34.1% | 62.5% | 0.01 MB |
| C44 | Scotch, Lolli variation | 16 | 25.0% | 62.5% | 0.00 MB |
| D94 | Gruenfeld, Smyslov defence | 52 | 32.7% | 62.5% | 0.01 MB |
| B10 | Caro-Kann, Goldman (Spielmann) variation | 4 | 25.0% | 62.5% | 0.00 MB |
| D48 | QGD semi-Slav, Meran, Pirc variation | 4 | 75.0% | 62.5% | 0.00 MB |
| C21 | Danish gambit, Soerensen defence | 4 | 25.0% | 62.5% | 0.00 MB |
| E53 | Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd7 | 12 | 25.0% | 62.5% | 0.00 MB |
| B02 | Alekhine's defence, Two pawns' (Lasker's) attack | 16 | 50.0% | 62.5% | 0.01 MB |
| B72 | Sicilian, dragon, classical, Amsterdam variation | 4 | 25.0% | 62.5% | 0.00 MB |
| D06 | QGD, Grau (Sahovic) defence | 24 | 33.3% | 62.5% | 0.01 MB |
| C10 | French, Fort Knox variation | 92 | 38.0% | 62.5% | 0.02 MB |
| E54 | Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation | 12 | 25.0% | 62.5% | 0.00 MB |
| D01 | Richter-Veresov attack, Veresov variation | 4 | 25.0% | 62.5% | 0.00 MB |
| B72 | Sicilian, dragon, 6.Be3 | 16 | 25.0% | 62.5% | 0.00 MB |
| A56 | Benoni defence | 574 | 26.1% | 62.4% | 0.11 MB |
| C93 | Ruy Lopez, closed, Smyslov defence | 122 | 27.9% | 62.3% | 0.03 MB |
| B74 | Sicilian, dragon, classical, 9.Nb3 | 86 | 38.4% | 62.2% | 0.02 MB |
| A84 | Dutch defence | 254 | 29.9% | 62.2% | 0.06 MB |
| A40 | Beefeater defence | 33 | 27.3% | 62.1% | 0.01 MB |
| B74 | Sicilian, dragon, classical, Spielmann variation | 25 | 20.0% | 62.0% | 0.01 MB |
| B05 | Alekhine's defence, modern, Flohr variation | 63 | 41.3% | 61.9% | 0.02 MB |
| B23 | Sicilian, chameleon variation | 80 | 36.3% | 61.9% | 0.02 MB |
| C40 | Gunderam defence | 72 | 29.2% | 61.8% | 0.01 MB |
| B13 | Caro-Kann, exchange, Rubinstein variation | 34 | 47.1% | 61.8% | 0.01 MB |
| A07 | Reti, King's Indian attack, Pachman system | 17 | 29.4% | 61.8% | 0.01 MB |
| D32 | QGD, Tarrasch, von Hennig-Schara gambit | 17 | 41.2% | 61.8% | 0.01 MB |
| D49 | QGD semi-Slav, Meran, Stahlberg variation | 51 | 17.6% | 61.8% | 0.01 MB |
| E17 | Queen's Indian, Euwe variation | 17 | 41.2% | 61.8% | 0.01 MB |
| A05 | Reti, King's Indian attack, Reti-Smyslov variation | 17 | 52.9% | 61.8% | 0.01 MB |
| C42 | Petrov, classical attack, close variation | 30 | 36.7% | 61.7% | 0.01 MB |
| D11 | QGD Slav, Breyer variation | 30 | 23.3% | 61.7% | 0.01 MB |
| B04 | Alekhine's defence, modern, fianchetto variation | 146 | 35.6% | 61.6% | 0.04 MB |
| A81 | Dutch defence | 839 | 32.7% | 61.6% | 0.18 MB |
| A26 | English, closed system | 108 | 30.6% | 61.6% | 0.03 MB |
| B63 | Sicilian, Richter-Rauzer, Rauzer attack | 108 | 32.4% | 61.6% | 0.02 MB |
| B13 | Caro-Kann, Panov-Botvinnik, normal variation | 39 | 41.0% | 61.5% | 0.01 MB |
| B00 | King's pawn opening | 165 | 33.3% | 61.5% | 0.04 MB |
| D63 | QGD, Orthodox defence, 7.Rc1 | 44 | 45.5% | 61.4% | 0.01 MB |
| A91 | Dutch defence | 22 | 22.7% | 61.4% | 0.01 MB |
| D50 | QGD, 4.Bg5 | 22 | 31.8% | 61.4% | 0.01 MB |
| C26 | Vienna game | 22 | 22.7% | 61.4% | 0.01 MB |
| B39 | Sicilian, accelerated fianchetto, Breyer variation | 374 | 32.4% | 61.4% | 0.08 MB |
| E10 | Blumenfeld counter-gambit | 31 | 25.8% | 61.3% | 0.01 MB |
| B61 | Sicilian, Richter-Rauzer, Larsen variation, 7.Qd2 | 257 | 28.4% | 61.3% | 0.06 MB |
| A90 | Dutch defence | 346 | 21.4% | 61.3% | 0.08 MB |
| A55 | Old Indian, main line | 174 | 27.0% | 61.2% | 0.04 MB |
| A56 | Benoni defence, Hromodka system | 116 | 24.1% | 61.2% | 0.03 MB |
| C49 | Four knights, Nimzovich (Paulsen) variation | 9 | 33.3% | 61.1% | 0.00 MB |
| C80 | Ruy Lopez, open, 7.Bb3 | 18 | 11.1% | 61.1% | 0.00 MB |
| D34 | QGD, Tarrasch, Reti variation | 9 | 33.3% | 61.1% | 0.00 MB |
| E62 | King's Indian, fianchetto with ...Nc6 | 54 | 37.0% | 61.1% | 0.01 MB |
| C88 | Ruy Lopez, closed, Balla variation | 9 | 11.1% | 61.1% | 0.00 MB |
| D44 | QGD semi-Slav, anti-Meran, Alatortsev system | 9 | 11.1% | 61.1% | 0.00 MB |
| A86 | Dutch with c4 & g3 | 9 | 33.3% | 61.1% | 0.00 MB |
| A92 | Dutch defence, Alekhine variation | 18 | 44.4% | 61.1% | 0.01 MB |
| D97 | Gruenfeld, Russian, Szabo (Boleslavsky) variation | 27 | 11.1% | 61.1% | 0.01 MB |
| E62 | King's Indian, fianchetto, lesser Simagin (Spassky) variation | 91 | 31.9% | 61.0% | 0.02 MB |
| A54 | Old Indian, Ukrainian variation, 4.Nf3 | 41 | 19.5% | 61.0% | 0.01 MB |
| C48 | Four knights, Spanish variation | 41 | 29.3% | 61.0% | 0.01 MB |
| C18 | French, Winawer, classical variation | 142 | 19.0% | 60.9% | 0.03 MB |
| D87 | Gruenfeld, exchange, Seville variation | 101 | 36.6% | 60.9% | 0.02 MB |
| B03 | Alekhine's defence, four pawns attack, 7.Be3 | 23 | 34.8% | 60.9% | 0.01 MB |
| E08 | Catalan, closed, Qc2 & b3 | 106 | 36.8% | 60.8% | 0.03 MB |
| C59 | Two knights defence, Steinitz variation | 28 | 35.7% | 60.7% | 0.01 MB |
| C45 | Scotch, Potter variation | 14 | 35.7% | 60.7% | 0.00 MB |
| D15 | QGD Slav accepted | 14 | 50.0% | 60.7% | 0.01 MB |
| B01 | Scandinavian, Icelandic gambit | 14 | 64.3% | 60.7% | 0.01 MB |
| A09 | Reti accepted | 47 | 23.4% | 60.6% | 0.01 MB |
| A61 | Benoni, Nimzovich (knight's tour) variation | 279 | 28.0% | 60.6% | 0.06 MB |
| D93 | Gruenfeld with Bf4 e3 | 175 | 41.1% | 60.6% | 0.04 MB |
| B00 | Owen defence | 57 | 29.8% | 60.5% | 0.01 MB |
| D63 | QGD, Orthodox defence | 19 | 36.8% | 60.5% | 0.01 MB |
| A27 | English, three knights system | 76 | 31.6% | 60.5% | 0.02 MB |
| E95 | King's Indian, orthodox, 7...Nbd7, 8.Re1 | 342 | 31.6% | 60.5% | 0.07 MB |
| B01 | Scandinavian, Pytel-Wade variation | 100 | 41.0% | 60.5% | 0.02 MB |
| D67 | QGD, Orthodox defence, Bd3 line, Alekhine variation | 100 | 47.0% | 60.5% | 0.03 MB |
| D34 | QGD, Tarrasch, Prague variation, 9.Bg5 | 320 | 37.8% | 60.5% | 0.07 MB |
| D24 | QGA, 4.Nc3 | 53 | 37.7% | 60.4% | 0.01 MB |
| C75 | Ruy Lopez, modern Steinitz defence, Rubinstein variation | 29 | 44.8% | 60.3% | 0.01 MB |
| B75 | Sicilian, dragon, Yugoslav attack | 87 | 33.3% | 60.3% | 0.02 MB |
| C03 | French, Tarrasch, Guimard variation | 29 | 24.1% | 60.3% | 0.01 MB |
| C42 | Petrov, Kaufmann attack | 29 | 44.8% | 60.3% | 0.01 MB |
| C98 | Ruy Lopez, closed, Chigorin, 12...Nc6 | 165 | 21.2% | 60.3% | 0.04 MB |
| D24 | QGA, Bogolyubov variation | 39 | 28.2% | 60.3% | 0.01 MB |
| C19 | French, Winawer, advance, poisoned pawn variation | 2683 | 28.0% | 60.2% | 0.53 MB |
| C42 | Petrov three knights game | 49 | 42.9% | 60.2% | 0.01 MB |
| C92 | Ruy Lopez, closed, Kholmov variation | 69 | 24.6% | 60.1% | 0.02 MB |
| A70 | Benoni, classical with e4 and Nf3 | 499 | 30.1% | 60.1% | 0.11 MB |
| E51 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5 | 25 | 48.0% | 60.0% | 0.01 MB |
| A86 | Dutch, Leningrad variation | 25 | 40.0% | 60.0% | 0.01 MB |
| D16 | QGD Slav, Soultanbeieff variation | 15 | 40.0% | 60.0% | 0.00 MB |
| C65 | Ruy Lopez, Berlin defence, Duras variation | 5 | 40.0% | 60.0% | 0.00 MB |
| D66 | QGD, Orthodox defence, Bd3 line | 65 | 33.8% | 60.0% | 0.02 MB |
| D32 | QGD, Tarrasch defence | 65 | 33.8% | 60.0% | 0.02 MB |
| C13 | French, classical, Frankfurt variation | 5 | 0.0% | 60.0% | 0.00 MB |
| D31 | QGD, Janowski variation | 5 | 0.0% | 60.0% | 0.00 MB |
| C42 | Petrov, French attack | 5 | 0.0% | 60.0% | 0.00 MB |
| C80 | Ruy Lopez, open, Bernstein variation | 306 | 36.3% | 60.0% | 0.06 MB |
| A61 | Benoni defence | 306 | 27.8% | 60.0% | 0.06 MB |
| D44 | QGD semi-Slav, anti-Meran gambit | 612 | 26.1% | 60.0% | 0.10 MB |
| E17 | Queen's Indian, Opovcensky variation | 350 | 31.1% | 59.9% | 0.08 MB |
| C19 | French, Winawer, advance, poisoned pawn, Konstantinopolsky variation | 639 | 26.3% | 59.8% | 0.11 MB |
| B10 | Caro-Kann, Two knights variation | 108 | 25.0% | 59.7% | 0.03 MB |
| A57 | Benko gambit, Zaitsev system | 36 | 19.4% | 59.7% | 0.01 MB |
| A19 | English, Mikenas-Carls, Sicilian variation | 36 | 30.6% | 59.7% | 0.01 MB |
| D06 | QGD, Marshall defence | 103 | 35.9% | 59.7% | 0.02 MB |
| B07 | Pirc, Byrne variation | 67 | 26.9% | 59.7% | 0.02 MB |
| A93 | Dutch, stonewall, Botwinnik variation | 31 | 29.0% | 59.7% | 0.01 MB |
| D16 | QGD Slav accepted, Alapin variation | 31 | 22.6% | 59.7% | 0.01 MB |
| D34 | QGD, Tarrasch, Prague variation, 7...Be7 | 62 | 35.5% | 59.7% | 0.01 MB |
| A36 | English, symmetrical, Botvinnik system | 26 | 19.2% | 59.6% | 0.01 MB |
| D25 | QGA, Janowsky-Larsen variation | 99 | 30.3% | 59.6% | 0.03 MB |
| E25 | Nimzo-Indian, Saemisch variation | 21 | 23.8% | 59.5% | 0.01 MB |
| B19 | Caro-Kann, classical, 7...Nd7 | 21 | 33.3% | 59.5% | 0.01 MB |
| C68 | Ruy Lopez, exchange variation | 21 | 33.3% | 59.5% | 0.01 MB |
| D18 | QGD Slav, Dutch variation | 21 | 33.3% | 59.5% | 0.01 MB |
| B90 | Sicilian, Najdorf, Adams attack | 37 | 32.4% | 59.5% | 0.01 MB |
| C12 | French, MacCutcheon, Janowski variation | 37 | 32.4% | 59.5% | 0.01 MB |
| C78 | Ruy Lopez, 5.O-O | 275 | 33.8% | 59.5% | 0.06 MB |
| B81 | Sicilian, Scheveningen, Keres attack | 2886 | 26.3% | 59.4% | 0.51 MB |
| E62 | King's Indian, fianchetto, Kavalek (Bronstein) variation | 521 | 30.5% | 59.4% | 0.11 MB |
| C02 | French, advance, Wade variation | 96 | 27.1% | 59.4% | 0.02 MB |
| E60 | King's Indian, 3.g3 | 368 | 32.9% | 59.4% | 0.08 MB |
| C14 | French, classical, Steinitz variation | 294 | 28.9% | 59.4% | 0.06 MB |
| A43 | Old Benoni defence | 444 | 32.7% | 59.3% | 0.10 MB |
| A22 | English, Carls' Bremen system | 75 | 28.0% | 59.3% | 0.02 MB |
| C72 | Ruy Lopez, modern Steinitz defence, 5.O-O | 172 | 33.7% | 59.3% | 0.04 MB |
| C92 | Ruy Lopez, closed, Keres (9...a5) variation | 27 | 29.6% | 59.3% | 0.01 MB |
| D67 | QGD, Orthodox defence, Bd3 line | 27 | 44.4% | 59.3% | 0.01 MB |
| D02 | Queen's pawn game, Chigorin variation | 54 | 44.4% | 59.3% | 0.02 MB |
| D49 | QGD semi-Slav, Meran, Rabinovich variation | 103 | 38.8% | 59.2% | 0.02 MB |
| E38 | Nimzo-Indian, classical, 4...c5 | 294 | 34.0% | 59.2% | 0.06 MB |
| B06 | Robatsch defence | 224 | 29.0% | 59.2% | 0.05 MB |
| D94 | Gruenfeld, 5.e3 | 208 | 33.7% | 59.1% | 0.05 MB |
| C62 | Ruy Lopez, old Steinitz defence, Nimzovich attack | 11 | 27.3% | 59.1% | 0.00 MB |
| B01 | Scandinavian defence, Lasker variation | 22 | 27.3% | 59.1% | 0.01 MB |
| A04 | Reti v Dutch | 155 | 32.9% | 59.0% | 0.04 MB |
| A14 | English, Symmetrical, Keres defence | 255 | 38.0% | 59.0% | 0.06 MB |
| C99 | Ruy Lopez, closed, Chigorin, 12...c5d4 | 2474 | 36.1% | 59.0% | 0.46 MB |
| D98 | Gruenfeld, Russian, Smyslov variation | 100 | 36.0% | 59.0% | 0.02 MB |
| A41 | Robatsch defence, Rossolimo variation | 28 | 39.3% | 58.9% | 0.01 MB |
| B03 | Alekhine's defence, exchange variation | 197 | 34.5% | 58.9% | 0.04 MB |
| A08 | Reti, King's Indian attack, French variation | 164 | 34.8% | 58.8% | 0.04 MB |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 17 | 23.5% | 58.8% | 0.00 MB |
| B07 | Pirc, 150 attack | 102 | 31.4% | 58.8% | 0.02 MB |
| A41 | Old Indian, Tartakower (Wade) variation | 336 | 31.3% | 58.8% | 0.08 MB |
| B04 | Alekhine's defence, modern, Larsen variation | 183 | 32.2% | 58.7% | 0.04 MB |
| A62 | Benoni, fianchetto variation | 172 | 26.7% | 58.7% | 0.04 MB |
| E10 | Blumenfeld counter-gambit, Dus-Chotimursky variation | 109 | 23.9% | 58.7% | 0.03 MB |
| E47 | Nimzo-Indian, 4.e3 O-O, 5.Bd3 | 288 | 36.1% | 58.7% | 0.06 MB |
| D41 | QGD, Semi-Tarrasch, 5.cd | 180 | 37.2% | 58.6% | 0.05 MB |
| B19 | Caro-Kann, classical, Spassky variation | 2170 | 30.2% | 58.6% | 0.42 MB |
| C71 | Ruy Lopez, modern Steinitz defence | 41 | 39.0% | 58.5% | 0.01 MB |
| A58 | Benko gambit, fianchetto variation | 247 | 21.5% | 58.5% | 0.05 MB |
| C50 | King's pawn game | 53 | 34.0% | 58.5% | 0.01 MB |
| A53 | Old Indian defence | 407 | 31.9% | 58.5% | 0.09 MB |
| C75 | Ruy Lopez, modern Steinitz defence | 65 | 27.7% | 58.5% | 0.02 MB |
| E69 | King's Indian, fianchetto, classical main line | 822 | 29.8% | 58.5% | 0.17 MB |
| C95 | Ruy Lopez, closed, Breyer, Borisenko variation | 1356 | 31.0% | 58.4% | 0.28 MB |
| E94 | King's Indian, orthodox, 7...Nbd7 | 1450 | 27.2% | 58.4% | 0.30 MB |
| B32 | Sicilian, Labourdonnais-Loewenthal variation | 131 | 26.7% | 58.4% | 0.03 MB |
| A57 | Benko gambit | 227 | 27.8% | 58.4% | 0.05 MB |
| B98 | Sicilian, Najdorf, Browne variation | 36 | 38.9% | 58.3% | 0.01 MB |
| D30 | QGD Slav, Semmering variation | 12 | 50.0% | 58.3% | 0.00 MB |
| D30 | QGD, Capablanca variation | 12 | 50.0% | 58.3% | 0.00 MB |
| E23 | Nimzo-Indian, Spielmann, Karlsbad variation | 6 | 50.0% | 58.3% |