CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Opening statistics

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.

ECOOpeningNumber
of
games
DrawsWhite
score
Commented
PGN
B90Sicilian, Najdorf, Byrne (English) attack1875635.2%53.3%
E15Queen's Indian, Nimzovich variation (exaggerated fianchetto)1391140.5%56.3%
D45QGD semi-Slav, Stoltz variation1141743.6%53.4%
A15English opening1060043.3%53.5%
B12Caro-Kann, advance variation957338.2%56.3%
A04Reti opening726838.4%54.3%
D47QGD semi-Slav, Meran, Wade variation682039.5%53.6%
D43QGD semi-Slav658241.3%52.7%
E12Queen's Indian, Petrosian system636343.1%54.0%
A00Benko's opening625842.2%52.3%
E32Nimzo-Indian, classical variation607342.3%53.8%
A29English, four knights, kingside fianchetto594341.0%51.9%
D30Queen's gambit declined580845.6%55.7%
B22Sicilian, Alapin's variation (2.c3)574443.8%54.5%
B66Sicilian, Richter-Rauzer, Rauzer attack, 7...a6563133.7%51.4%
B06Robatsch (modern) defence550336.5%56.1%
A20English opening534638.2%54.4%
D37QGD, 4.Nf3523246.6%52.7%
C11French, Burn variation496444.2%52.9%
D58QGD, Tartakower (Makagonov-Bondarevsky) system492646.4%52.1%
B92Sicilian, Najdorf, Opovcensky variation492140.2%53.2%
B40Sicilian defence473439.5%53.9%
D02Queen's pawn game472841.3%52.7%
E12Queen's Indian, 4.Nc3443240.2%53.2%
A07Reti, King's Indian attack (Barcza system)429241.7%53.6%
B30Sicilian, Nimzovich-Rossolimo attack (without ...d6)422337.8%56.2%
E04Catalan, open, 5.Nf3416343.6%53.3%
D37QGD, classical variation (5.Bf4)399644.9%55.2%
E10Queen's pawn game397045.1%55.7%
E97King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)392933.0%56.1%
D11QGD Slav, 4.e3392142.4%55.4%
D38QGD, Ragozin variation387646.7%52.3%
D27QGA, classical, 6...a6380150.5%55.1%
C91Ruy Lopez, closed, Bogolyubov variation376143.1%53.8%
D10QGD Slav defence371641.1%54.1%
D15QGD Slav, 4.Nc3371039.9%54.9%
A45Trompovsky attack (Ruth, Opovcensky opening)367636.4%52.2%
B47Sicilian, Taimanov (Bastrikov) variation366841.3%54.1%
B17Caro-Kann, Steinitz variation362743.0%53.7%
B84Sicilian, Scheveningen (Paulsen), classical variation358738.6%51.9%
B50Sicilian352841.1%53.0%
C07French, Tarrasch, open variation351647.6%53.6%
C67Ruy Lopez, Berlin defence, open variation350246.5%54.1%
B27Sicilian, Hungarian variation330741.0%57.7%
C11French, Steinitz, Boleslavsky variation327735.5%57.3%
A05Reti opening327637.2%53.3%
A81Dutch defence313838.2%56.8%
B48Sicilian, Taimanov variation307837.3%56.0%
D85Gruenfeld, modern exchange variation306846.5%55.9%
E00Catalan opening306842.8%55.2%
B46Sicilian, Taimanov variation305538.4%55.1%
A06Reti, Nimzovich-Larsen attack305342.0%49.6%
A02Bird's opening299736.4%48.7%
A03Bird's opening299635.9%47.7%
B23Sicilian, closed294838.1%51.6%
A01Nimzovich-Larsen attack, modern variation292440.3%50.5%
D12QGD Slav, 4.e3 Bf5292040.4%54.2%
A30English, symmetrical variation286439.8%54.6%
E06Catalan, closed, 5.Nf3286248.5%54.0%
C88Ruy Lopez, closed, 7...O-O280640.4%52.3%
A46Queen's pawn game280140.7%55.0%
D20QGA, 3.e4280140.3%56.6%
B43Sicilian, Kan, 5.Nc3273538.7%56.5%
D85Gruenfeld, exchange variation271748.1%56.5%
C65Ruy Lopez, Berlin defence269639.7%51.1%
B67Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7267733.3%55.5%
B31Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)267241.0%56.0%
E60King's Indian, 3.Nf3265739.5%57.7%
B19Caro-Kann, classical, Spassky variation263839.7%56.7%
B01Scandinavian, Pytel-Wade variation261644.3%58.0%
A30English, symmetrical, hedgehog system257946.8%56.0%
B90Sicilian, Najdorf255836.6%53.5%
A10English opening253638.0%55.0%
B01Scandinavian (centre counter) defence250342.0%57.0%
B30Sicilian defence250140.5%54.5%
C19French, Winawer, advance, poisoned pawn variation245633.6%60.9%
C45Scotch game231642.7%53.5%
C43Petrov, modern attack, Symmetrical variation229345.2%53.4%
A07Reti, King's Indian attack228942.0%53.1%
E21Nimzo-Indian, three knights variation227441.5%54.2%
E15Queen's Indian, 4.g3222046.6%55.8%
B08Pirc, classical system, 5.Be2220538.7%56.9%
B81Sicilian, Scheveningen, Keres attack218534.4%59.6%
D11QGD Slav, 3.Nf3216741.0%55.8%
C10French, Rubinstein variation211548.7%55.5%
E63King's Indian, fianchetto, Panno variation211337.9%57.1%
A45Queen's pawn game207639.4%54.6%
C00French, King's Indian attack207037.4%51.2%
B10Caro-Kann defence206136.1%53.2%
C44Ponziani, Jaenisch counter-attack206146.5%52.9%
B33Sicilian, Pelikan, Chelyabinsk variation205735.9%57.3%
A40Queen's pawn203137.3%55.1%
C03French, Tarrasch200244.7%56.7%
B20Sicilian defence200036.0%50.7%
E81King's Indian, Saemisch, 5...O-O199634.0%55.2%
A35English, symmetrical, four knights system198243.7%53.5%
A21English, Kramnik-Shirov counterattack193241.1%52.4%
D45QGD semi-Slav, accelerated Meran (Alekhine variation)192944.0%53.8%
A80Dutch192635.5%54.6%
C53Giuoco Piano192438.5%52.8%
E11Bogo-Indian defence, Gruenfeld variation190640.5%56.1%
B35Sicilian, accelerated fianchetto, modern variation with Bc4189943.3%53.0%
A41Queen's Pawn189136.1%54.3%
C92Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)186238.7%56.3%
B45Sicilian, Taimanov variation184838.3%56.6%
D00Levitsky attack (Queen's bishop attack)183636.8%52.4%
A13English opening182636.7%51.5%
E55Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation180848.0%55.5%
B14Caro-Kann, Panov-Botvinnik attack, 5...e6174646.6%55.3%
B42Sicilian, Kan, 5.Bd3173537.3%58.2%
C02French, advance, Paulsen attack171433.8%54.8%
B23Sicilian, closed, 2...Nc6169640.7%51.6%
A17English, Nimzo-English opening169539.4%53.5%
A40Queen's pawn, Keres defence167344.6%56.1%
A00Polish (Sokolsky) opening165939.1%48.8%
E14Queen's Indian, 4.e3165239.9%53.4%
A00Dunst (Sleipner, Heinrichsen) opening162735.8%49.6%
C42Petrov, classical attack, Jaenisch variation162345.9%58.2%
A07Reti, King's Indian attack, Yugoslav variation161440.1%52.7%
D97Gruenfeld, Russian, Alekhine (Hungarian) variation159244.2%51.2%
B07Pirc defence158837.5%56.3%
B52Sicilian, Canal-Sokolsky attack, 3...Bd7158542.9%49.8%
D39QGD, Ragozin, Vienna variation156750.4%51.2%
B51Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack154838.8%55.6%
E18Queen's Indian, old main line, 7.Nc3154843.7%56.6%
C50Giuoco Pianissimo154039.0%53.1%
B93Sicilian, Najdorf, 6.f4153839.8%50.7%
A48King's Indian, Torre attack153238.7%49.5%
B56Sicilian152339.7%53.3%
C78Ruy Lopez, Archangelsk (counterthrust) variation151742.3%55.0%
C88Ruy Lopez, closed, anti-Marshall 8.a4150939.6%53.6%
B18Caro-Kann, classical variation149744.9%54.2%
E60King's Indian, 3.g3149642.3%56.5%
B21Sicilian, Grand Prix attack148135.8%52.7%
B97Sicilian, Najdorf, 7...Qb6147833.0%46.1%
A22English, Bremen, Smyslov system146839.0%48.5%
A33English, symmetrical variation146147.9%54.3%
E11Bogo-Indian defence144239.7%54.8%
D27QGA, classical, Rubinstein variation143247.6%55.8%
E92King's Indian, Gligoric-Taimanov system142933.9%58.7%
A43Old Benoni defence141635.3%58.5%
E58Nimzo-Indian, 4.e3, main line with 8...Bxc3141644.9%53.0%
D10QGD Slav defence, exchange variation141444.7%55.2%
E11Bogo-Indian defence, Nimzovich variation139838.6%57.8%
A21English opening138333.9%54.6%
D48QGD semi-Slav, Meran, 8...a6137649.6%48.9%
D31QGD, Charousek (Petrosian) variation137245.5%52.7%
E12Queen's Indian, Miles variation135544.0%53.0%
C45Scotch, Mieses variation135041.6%54.2%
B00King's pawn opening134736.7%57.5%
B33Sicilian, Sveshnikov variation133138.6%50.8%
C01French, exchange variation132344.4%53.8%
E19Queen's Indian, old main line, 9.Qxc3132345.7%58.5%
B10Caro-Kann, anti-anti-Caro-Kann defence131348.4%52.1%
B42Sicilian, Kan, Polugaievsky variation129636.2%54.3%
D19QGD Slav, Dutch variation128939.0%57.6%
C02French, advance, Euwe variation127936.1%54.1%
A46Queen's pawn, Torre attack126437.2%51.7%
C84Ruy Lopez, closed defence126040.6%51.6%
B57Sicilian, Sozin, Benko variation125839.2%51.7%
A11English, Caro-Kann defensive system125540.2%54.2%
D47QGD semi-Slav, Meran variation124249.4%54.8%
E97King's Indian, orthodox, Aronin-Taimanov, bayonet attack124235.1%58.2%
A16English opening124135.9%53.0%
C55Two knights defence (Modern bishop's opening)124038.6%56.2%
C08French, Tarrasch, open, 4.ed ed123750.3%54.6%
C80Ruy Lopez, open, 8...Be6122838.3%43.1%
A36English, ultra-symmetrical variation122738.7%52.7%
C88Ruy Lopez, closed122641.5%52.5%
B96Sicilian, Najdorf, 7.f4122434.0%51.0%
A13English opening, Agincourt variation121240.4%54.0%
B80Sicilian, Scheveningen variation121131.0%54.5%
C91Ruy Lopez, closed, 9.d4120339.1%57.9%
D02Queen's bishop game120239.3%53.1%
E68King's Indian, fianchetto, classical variation, 8.e4119538.7%59.9%
E54Nimzo-Indian, 4.e3, Gligoric system with 7...dc118948.9%55.6%
C90Ruy Lopez, closed (with ...d6)118436.7%51.4%
C85Ruy Lopez, Exchange variation doubly deferred (DERLD)118239.7%48.9%
B32Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation115039.7%56.7%
A05Reti, King's Indian attack113240.5%53.4%
C02French, advance variation113133.0%55.7%
B53Sicilian, Chekhover variation112442.8%50.6%
B09Pirc, Austrian attack, 6.Bd3112239.5%59.9%
A34English, symmetrical, three knights system111842.3%55.0%
C42Petrov, Nimzovich attack109845.4%55.1%
B90Sicilian, Najdorf, Adams attack109437.7%51.5%
B63Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7109137.2%56.1%
A15English, 1...Nf6 (Anglo-Indian defense)108839.6%55.2%
A13English, Neo-Catalan accepted107945.8%56.3%
C78Ruy Lopez, 5.O-O107846.2%54.5%
B97Sicilian, Najdorf, Poisoned pawn variation107744.9%49.7%
B38Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3106544.1%57.5%
A49King's Indian, fianchetto without c4105940.0%56.8%
A01Nimzovich-Larsen attack, classical variation105137.3%50.0%
C09French, Tarrasch, open variation, main line104349.2%56.8%
D86Gruenfeld, exchange, classical variation104245.6%55.3%
B95Sicilian, Najdorf, 6...e6103239.0%49.7%
C19French, Winawer, advance, positional main line102430.8%57.5%
A48King's Indian, London system102239.3%53.2%
C48Four knights, Rubinstein counter-gambit101839.5%52.8%
C24Bishop's opening, Berlin defence101440.8%53.4%
B06Robatsch defence, Two knights, Suttles variation99738.2%58.4%
B89Sicilian, Sozin, 7.Be399337.2%50.7%
C06French, Tarrasch, closed variation, main line98937.7%59.6%
C05French, Tarrasch, closed variation98131.4%60.6%
A40Queen's pawn, Franco-Indian (Keres) defence97738.4%56.2%
E94King's Indian, orthodox variation97637.1%54.1%
A04Reti v Dutch97534.9%59.2%
A90Dutch defence97339.3%61.2%
B13Caro-Kann, Panov-Botvinnik attack97247.6%52.7%
A28English, four knights, 4.e396536.4%51.7%
D31QGD, semi-Slav95839.9%54.9%
C11French, Steinitz variation95338.5%54.7%
A34English, symmetrical variation94639.4%54.5%
A53Old Indian defence94338.8%56.3%
B33Sicilian, Pelikan (Lasker/Sveshnikov) variation94335.4%55.0%
C42Petrov, classical attack, Marshall variation94043.6%56.9%
D35QGD, exchange, positional line93740.8%54.2%
D53QGD, 4.Bg5 Be793745.3%54.5%
C41Philidor, Improved Hanham variation93438.8%56.7%
A37English, symmetrical variation93340.7%49.9%
E73King's Indian, Averbakh system93333.4%54.8%
E39Nimzo-Indian, classical, Pirc variation92939.1%55.3%
A80Dutch, 2.Bg5 variation91734.0%54.3%
B36Sicilian, accelerated fianchetto, Maroczy bind91744.9%58.3%
B90Sicilian, Najdorf, Lipnitzky attack91535.8%49.8%
B76Sicilian, dragon, Yugoslav attack, Rauser variation90733.5%64.6%
C99Ruy Lopez, closed, Chigorin, 12...c5d490640.3%62.9%
A41Old Indian, Tartakower (Wade) variation90235.3%61.0%
A31English, symmetrical, Benoni formation90140.7%55.9%
B01Scandinavian defence89840.4%58.6%
E94King's Indian, orthodox, 7...Nbd788634.1%60.3%
D20Queen's gambit accepted88545.9%55.3%
E70King's Indian, 4.e487733.3%58.6%
E46Nimzo-Indian, Reshevsky variation87644.1%51.8%
A40Modern defence87037.4%57.8%
D00Queen's pawn, Mason variation85940.9%52.1%
D91Gruenfeld, 5.Bg585939.2%48.3%
C80Ruy Lopez, open, Bernstein variation85347.2%63.1%
E98King's Indian, orthodox, Aronin-Taimanov, 9.Ne185226.6%61.0%
E17Queen's Indian, old main line, 6.O-O83341.9%59.0%
A88Dutch, Leningrad, main variation with c683039.2%57.4%
E90King's Indian, 5.Nf381433.2%56.6%
C90Ruy Lopez, closed, Pilnik variation80735.6%51.9%
B11Caro-Kann, Two knights, 3...Bg480340.1%55.7%
A09Reti, advance variation79840.2%48.8%
A48King's Indian, East Indian defence79238.5%51.8%
D73Neo-Gruenfeld, 5.Nf379150.9%55.4%
B44Sicilian, Szen (`anti-Taimanov') variation78839.7%53.9%
E61King's Indian defence, 3.Nc378837.4%55.6%
D30QGD78647.7%52.0%
B04Alekhine's defence, modern, Larsen variation78542.5%60.5%
A28English, four knights, Marini variation78439.8%50.9%
A57Benko gambit half accepted78239.4%57.5%
A14English, Neo-Catalan declined77843.7%54.1%
C00French, Chigorin variation77432.7%51.2%
D80Gruenfeld defence77447.8%54.5%
B32Sicilian defence77038.8%56.0%
D31QGD, 3.Nc376842.3%55.1%
B52Sicilian, Canal-Sokolsky attack, Sokolsky variation76544.1%55.9%
B09Pirc, Austrian attack, dragon formation76239.0%58.2%
D31QGD, semi-Slav, Marshall gambit76043.3%53.8%
D44QGD semi-Slav, anti-Meran gambit75934.9%58.3%
B40Sicilian, Anderssen variation75640.1%57.7%
B87Sicilian, Sozin with ...a6 and ...b575236.4%51.2%
B13Caro-Kann, exchange variation75139.7%51.7%
D48QGD semi-Slav, Meran, Reynolds' variation75039.7%56.1%
C97Ruy Lopez, closed, Chigorin defence74731.1%63.2%
A41Old Indian defence74431.9%55.0%
D78Neo-Gruenfeld, 6.O-O c674242.2%54.6%
C16French, Winawer, advance variation74134.8%57.6%
C77Ruy Lopez, Anderssen variation74142.1%51.3%
E34Nimzo-Indian, classical, Noa variation74152.9%54.3%
D35QGD, exchange, positional line, 5...c673741.8%55.0%
E59Nimzo-Indian, 4.e3, main line73643.6%53.5%
C00French defence, Steiner variation73443.5%51.3%
A46Queen's pawn, Yusupov-Rubinstein system73341.2%52.4%
C42Petrov, classical attack73148.0%56.6%
C15French, Winawer (Nimzovich) variation72742.0%55.8%
B94Sicilian, Najdorf, 6.Bg572635.8%53.4%
A25English, closed system72534.1%54.0%
D07QGD, Chigorin defence72436.0%57.1%
A25English, Sicilian reversed71634.4%52.8%
B89Sicilian, Velimirovic attack71633.4%51.3%
C95Ruy Lopez, closed, Breyer, Borisenko variation71440.1%56.4%
E20Nimzo-Indian, Kmoch variation71238.8%53.7%
B21Sicilian, Smith-Morra gambit70941.5%47.7%
A62Benoni, fianchetto variation70736.1%56.1%
A22English opening70536.7%51.1%
C41Philidor, exchange variation70336.8%58.4%
B29Sicilian, Nimzovich-Rubinstein variation70142.1%59.7%
B54Sicilian70137.7%55.2%
B70Sicilian, dragon variation70041.4%51.9%
D04Queen's pawn game69941.6%50.6%
E41Nimzo-Indian, 4.e3 c569844.8%54.7%
A37English, symmetrical, Botvinnik system reversed69637.6%50.6%
A13English, Neo-Catalan69441.2%53.0%
D13QGD Slav, exchange variation69046.1%55.5%
A07Reti, King's Indian attack, Keres variation68734.5%54.1%
C69Ruy Lopez, exchange, Gligoric variation68542.2%55.5%
E71King's Indian, Makagonov system (5.h3)68534.7%59.9%
C14French, classical, Steinitz variation68235.5%57.8%
D30QGD, Vienna variation67853.8%52.6%
D77Neo-Gruenfeld, 6.O-O67546.2%54.2%
D80Gruenfeld, Stockholm variation67343.5%54.2%
B23Sicilian, Grand Prix attack66936.0%49.7%
D17QGD Slav, Krause attack66839.4%58.3%
A58Benko gambit accepted66734.0%58.5%
D92Gruenfeld, 5.Bf466044.8%56.7%
D34QGD, Tarrasch, Prague variation, Normal position65747.9%56.2%
B04Alekhine's defence, modern, fianchetto variation65634.5%57.6%
E60King's Indian defence65636.3%56.7%
B10Caro-Kann, closed (Breyer) variation65537.7%52.7%
D14QGD Slav, exchange variation, 6.Bf4 Bf565549.3%51.4%
D26QGA, classical variation65451.7%52.9%
A22English, Bremen, reverse dragon65240.6%50.5%
C69Ruy Lopez, exchange variation, 5.O-O65241.9%53.6%
A01Nimzovich-Larsen attack, symmetrical variation65040.9%49.4%
A10English, Anglo-Dutch defense64933.0%52.7%
E17Queen's Indian, Opovcensky variation64738.2%54.5%
D03Torre attack (Tartakower variation)64339.3%50.6%
E12Queen's Indian defence64142.0%53.7%
A01Nimzovich-Larsen attack63937.1%52.5%
C10French, Paulsen variation63533.5%58.3%
C96Ruy Lopez, closed (10...c5)63432.8%64.7%
B06Robatsch defence63037.1%58.1%
C88Ruy Lopez, Trajkovic counter-attack62941.0%52.0%
B39Sicilian, accelerated fianchetto, Breyer variation62340.4%58.1%
B91Sicilian, Najdorf, Zagreb (fianchetto) variation62338.0%54.2%
A85Dutch with c4 & Nc362235.4%54.3%
A57Benko gambit62136.9%56.1%
B60Sicilian, Richter-Rauzer61735.5%58.1%
B49Sicilian, Taimanov variation61044.8%58.1%
B03Alekhine's defence, exchange variation60939.4%57.6%
D17QGD Slav, Wiesbaden variation60842.4%57.2%
C45Scotch, Schmidt variation60450.8%46.8%
D41QGD, Semi-Tarrasch, 5.cd60247.8%57.6%
B12Caro-Kann, Tartakower (fantasy) variation60038.2%54.6%
B20Sicilian, Keres variation (2.Ne2)59941.2%52.0%
C46Four knights game59943.7%50.1%
C10French, Fort Knox variation59440.2%57.5%
E30Nimzo-Indian, Leningrad variation59435.9%47.9%
B05Alekhine's defence, modern variation, 4...Bg459332.5%64.8%
A56Benoni defence59234.1%59.6%
B07Robatsch defence, Geller's system59136.7%57.6%
A33English, symmetrical, Geller variation58938.9%54.2%
A06Reti opening58838.1%53.6%
B99Sicilian, Najdorf, 7...Be7 main line58729.3%53.2%
E91King's Indian, 6.Be258633.3%64.9%
E42Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)58545.0%54.6%
B23Sicilian, chameleon variation58235.2%58.2%
A23English, Bremen system, Keres variation57841.3%48.4%
E38Nimzo-Indian, classical, 4...c557837.7%60.4%
A50Queen's pawn game57738.0%55.9%
C19French, Winawer, advance, poisoned pawn, Konstantinopolsky variation57630.0%62.2%
B26Sicilian, closed, 6.Be357532.7%49.9%
A09Reti opening57040.0%53.2%
A70Benoni, classical with e4 and Nf356939.7%59.4%
E43Nimzo-Indian, Fischer variation56736.3%53.8%
B02Alekhine's defence56035.9%54.9%
C42Petrov, classical attack, Chigorin variation56041.3%57.2%
C50Giuoco Piano56040.0%52.7%
C78Ruy Lopez, Moeller defence56042.1%53.4%
E92King's Indian, Petrosian system, Stein variation55632.9%53.9%
D30QGD, Hastings variation54248.2%53.0%
B01Scandinavian, Marshall variation54144.9%60.0%
D05Queen's pawn game54136.4%52.0%
D34QGD, Tarrasch, Prague variation, 9.Bg554147.5%57.6%
A84Dutch defence53839.0%56.3%
B88Sicilian, Sozin, Leonhardt variation53740.6%54.7%
E62King's Indian, fianchetto, Kavalek (Bronstein) variation53632.6%60.5%
E47Nimzo-Indian, 4.e3 O-O, 5.Bd353048.3%51.9%
B18Caro-Kann, classical, 6.h452741.0%53.9%
B83Sicilian, Scheveningen, 6.Be252740.2%52.9%
D90Gruenfeld, Three knights variation52648.1%54.8%
B10Caro-Kann, anti-Caro-Kann defence52433.4%60.6%
D45QGD semi-Slav, 5...Nd752238.3%53.6%
D82Gruenfeld, 4.Bf452145.5%53.1%
B08Pirc, classical (two knights) system51938.0%58.5%
B65Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd451940.5%55.9%
A08Reti, King's Indian attack51842.5%52.3%
E35Nimzo-Indian, classical, Noa variation, 5.cd ed51845.2%50.6%
A14English, Symmetrical, Keres defence51747.6%57.1%
A38English, symmetrical variation51345.0%55.8%
A27English, three knights system51234.4%52.7%
D00Queen's pawn game51240.6%50.0%
C45Scotch, Potter variation51139.7%51.4%
C00French defence51033.9%57.4%
B83Sicilian, modern Scheveningen, main line50543.8%53.2%
D87Gruenfeld, exchange, Spassky variation50342.7%55.2%
C89Ruy Lopez, Marshall counter-attack50053.0%54.1%
D76Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb650044.4%57.2%
C42Petrov, Cozio (Lasker) attack49848.6%52.6%
C65Ruy Lopez, Berlin defence, Beverwijk variation48936.2%57.4%
E67King's Indian, fianchetto, classical variation48540.2%55.4%
A28English, four knights, Nimzovich variation48334.8%54.0%
C80Ruy Lopez, open, 7.Bb348340.8%52.9%
A47Queen's Indian defence47939.7%52.4%
B00KP, Nimzovich defence47633.4%60.2%
A61Benoni defence47531.8%62.8%
E41Nimzo-Indian, e3, Huebner variation47533.5%51.5%
B06Robatsch defence, Pseudo-Austrian attack47433.8%54.6%
D17QGD Slav, Carlsbad variation47137.2%60.4%
C47Four knights, Scotch, 4...exd446749.3%53.7%
D79Neo-Gruenfeld, 6.O-O, main line46348.4%54.6%
E01Catalan, closed46347.9%52.5%
B16Caro-Kann, Bronstein-Larsen variation46231.2%61.5%
A00Van't Kruijs opening46141.0%51.5%
C26Vienna, Paulsen-Mieses variation46042.0%52.7%
B82Sicilian, Scheveningen, 6.f445732.8%57.8%
C44Ponziani, Steinitz variation45742.2%46.1%
C69Ruy Lopez, exchange, Bronstein variation45232.5%50.3%
C18French, Winawer, advance variation45126.8%63.3%
E52Nimzo-Indian, 4.e3, main line with ...b644440.1%53.2%
A28English, four knights, Romanishin variation44149.9%52.8%
D97Gruenfeld, Russian, Prins variation43943.1%57.5%
B41Sicilian, Kan, Maroczy bind (Reti variation)43835.8%57.4%
E48Nimzo-Indian, 4.e3 O-O, 5.Bd3 d543742.8%49.1%
D00Queen's pawn, Mason variation, Steinitz counter-gambit43137.6%49.4%
B33Sicilian defence42935.4%54.1%
B58Sicilian, Boleslavsky variation42936.8%48.0%
D01Richter-Veresov attack42936.1%46.3%
E69King's Indian, fianchetto, classical main line42733.3%62.1%
A10English, Adorjan defence42537.9%53.8%
A25English, closed, 5.Rb142439.9%52.5%
D46QGD semi-Slav, Chigorin defence42344.0%53.9%
C89Ruy Lopez, Marshall, main line, 14...Qh341950.6%51.1%
A28English, four knights, Capablanca variation41837.6%54.4%
D40QGD, Semi-Tarrasch defence41742.4%54.8%
A39English, symmetrical, main line with d441641.6%57.6%
A55Old Indian, main line41438.2%58.5%
B25Sicilian, closed, 6.f441339.7%51.1%
B83Sicilian, modern Scheveningen41142.3%47.4%
D94Gruenfeld, 5.e341045.1%57.9%
B61Sicilian, Richter-Rauzer, Larsen variation, 7.Qd240638.4%61.1%
D45QGD semi-Slav, 5.e340640.9%56.4%
B24Sicilian, closed40537.5%49.6%
E20Nimzo-Indian, Romanishin-Kasparov (Steiner) system40546.4%53.8%
E84King's Indian, Saemisch, Panno main line40537.5%52.6%
E00Queen's pawn game40141.1%56.5%
D52QGD, Cambridge Springs defence, Bogoljubow variation40047.0%56.3%
D02Queen's pawn game, Chigorin variation39941.4%57.5%
A00Anderssen's opening39840.7%51.0%
B54Sicilian, Prins (Moscow) variation39836.9%56.4%
C22Centre game39638.1%46.1%
D16QGD Slav, Soultanbeieff variation39449.7%53.6%
C72Ruy Lopez, modern Steinitz defence, 5.O-O39044.6%57.9%
A56Benoni defence, Hromodka system38824.5%65.1%
C64Ruy Lopez, classical defence, Benelux variation 38539.2%56.5%
A42Modern defence, Averbakh system38433.9%58.9%
C92Ruy Lopez, closed, 9.h338242.7%52.2%
B08Pirc, classical, h3 system38138.1%59.2%
B19Caro-Kann, classical, 7...Nd737950.4%53.2%
A22English, Carls' Bremen system37540.3%54.8%
A34English, symmetrical, Rubinstein system37538.4%52.8%
B20Sicilian, Steinitz variation37343.4%50.1%
D52QGD, Cambridge Springs defence, Yugoslav variation37339.1%56.8%
C12French, MacCutcheon, Lasker variation, 8...g637235.8%59.5%
C50Giuoco Pianissimo, Italian four knights variation37237.6%51.3%
E53Nimzo-Indian, 4.e3, main line with ...c537240.6%54.4%
A89Dutch, Leningrad, main variation with Nc636836.1%64.0%
D35QGD, exchange variation36843.2%56.4%
C17French, Winawer, advance, 5.a336431.9%63.5%
B07Pirc, Ufimtsev-Pytel variation36339.7%59.5%
B74Sicilian, dragon, classical, 9.Nb335951.8%47.9%
D17QGD Slav, Czech defence35948.5%54.6%
D55QGD, Petrosian variation35952.1%53.6%
C02French, advance, Steinitz variation35833.2%54.1%
B73Sicilian, dragon, classical, 8.O-O35745.9%51.8%
C63Ruy Lopez, Schliemann defence, Berger variation35742.0%56.9%
A52Budapest, Rubinstein variation35640.4%60.4%
A61Benoni, Nimzovich (knight's tour) variation35528.5%59.3%
C22Centre game, Berger variation35437.6%54.7%
D02Queen's pawn game, Krause variation35444.9%54.1%
C28Vienna game35342.2%53.1%
E44Nimzo-Indian, Fischer variation, 5.Ne235237.8%55.0%
A32English, symmetrical variation35142.2%57.5%
D81Gruenfeld, Russian variation35144.4%62.7%
C17French, Winawer, advance, Bogolyubov variation35040.0%51.1%
D25QGA, Janowsky-Larsen variation34938.7%57.7%
E16Queen's Indian, Capablanca variation34839.9%56.5%
A19English, Mikenas-Carls, Sicilian variation34642.2%54.0%
B85Sicilian, Scheveningen, classical main line34346.6%55.4%
A28English, four knights system34144.0%50.7%
E86King's Indian, Saemisch, orthodox, 7.Nge2 c634129.0%53.2%
C04French, Tarrasch, Guimard main line33729.7%59.6%
B07Pirc, Byrne variation33633.3%57.1%
D30QGD, Capablanca-Duras variation33646.4%53.3%
A50Kevitz-Trajkovich defence33538.2%56.7%
E56Nimzo-Indian, 4.e3, main line with 7...Nc633551.9%56.4%
E16Queen's Indian, Yates variation33337.5%59.0%
B98Sicilian, Najdorf variation33230.1%57.5%
B34Sicilian, accelerated fianchetto, modern variation32936.5%52.0%
C02French, advance, Wade variation32939.2%57.0%
C59Two knights defence, Steinitz variation32829.3%48.2%
D55QGD, Neo-orthodox variation, 7.Bxf632845.7%51.5%
E95King's Indian, orthodox, 7...Nbd7, 8.Re132835.7%55.6%
B28Sicilian, O'Kelly variation32738.8%56.4%
C49Four knights, symmetrical, Metger unpin32736.7%51.1%
A87Dutch, Leningrad, main variation32439.2%55.7%
B78Sicilian, dragon, Yugoslav attack, 10.O-O-O32428.1%54.5%
E70King's Indian, Kramer system32429.9%57.9%
E80King's Indian, Saemisch variation32434.0%59.0%
D56QGD, Lasker defence32346.4%53.3%
C77Ruy Lopez, Wormald (Alapin) attack32141.4%54.4%
A42Pterodactyl defence32036.9%63.8%
A65Benoni, 6.e431927.0%56.7%
C76Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation31535.2%51.6%
A00Saragossa opening31230.1%49.4%
A18English, Mikenas-Carls, Flohr variation31238.5%58.7%
B10Caro-Kann, Two knights variation31238.1%59.8%
B76Sicilian, dragon, Yugoslav attack, 7...O-O31234.6%52.9%
C44Ponziani opening31234.9%45.7%
B15Caro-Kann, Tartakower (Nimzovich) variation31141.8%55.0%
D00Queen's pawn, Chigorin variation31134.7%52.1%
E88King's Indian, Saemisch, orthodox, 7.d5 c631132.8%58.2%
B14Caro-Kann, Panov-Botvinnik attack, 5...g631049.7%53.2%
E37Nimzo-Indian, classical, Noa variation, main line, 7.Qc230946.3%62.3%
B44Sicilian defence30843.8%52.1%
B06Robatsch defence, Two knights variation30733.6%61.4%
D32QGD, Tarrasch defence30746.9%53.7%
E66King's Indian, fianchetto, Yugoslav Panno30633.7%56.7%
A26English, Botvinnik system30438.2%52.6%
D29QGA, classical, 8...Bb730441.4%48.0%
E10Blumenfeld counter-gambit30242.4%54.3%
C63Ruy Lopez, Schliemann defence30043.7%57.2%
C19French, Winawer, advance, 6...Ne729835.6%57.0%
A05Reti, King's Indian attack, Spassky's variation29742.4%52.5%
A26English, closed system29737.4%51.7%
B15Caro-Kann, Gurgenidze system29739.1%57.2%
C92Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation29542.4%63.9%
B07Pirc, Sveshnikov system29435.7%52.6%
D23QGA, Mannheim variation29346.1%52.4%
A56Czech Benoni defence29228.1%67.5%
E91King's Indian, Kazakh variation29236.3%55.5%
D71Neo-Gruenfeld, 5.cd28946.7%56.2%
E17Queen's Indian, anti-Queen's Indian system28838.9%53.5%
E62King's Indian, fianchetto, lesser Simagin (Spassky) variation28736.6%60.8%
C44Scotch gambit, Dubois-Reti defence28641.6%51.9%
C18French, Winawer, classical variation28433.5%58.3%
D47QGD semi-Slav, neo-Meran (Lundin variation)28448.2%54.8%
E25Nimzo-Indian, Saemisch, Keres variation28346.6%53.4%
B00Owen defence28134.2%61.6%
B02Alekhine's defence, Two pawns' (Lasker's) attack28144.1%54.4%
C52Evans gambit28139.1%47.0%
E92King's Indian, Andersson variation28154.1%49.5%
C70Ruy Lopez, Cozio defence deferred28045.4%53.4%
B09Pirc, Austrian attack, 6.Be327731.8%57.8%
D93Gruenfeld with Bf4 e327650.0%52.2%
C69Ruy Lopez, exchange variation, Alapin gambit27541.1%51.1%
D15QGD Slav, Schlechter variation27542.5%59.1%
D30QGD Slav27545.5%55.1%
D35QGD, exchange, Saemisch variation27547.3%54.5%
E36Nimzo-Indian, classical, Noa variation, 5.a327545.8%52.0%
C60Ruy Lopez, fianchetto (Smyslov/Barnes) defence27441.6%51.8%
E33Nimzo-Indian, classical, Milner-Barry (Zurich) variation27438.0%58.8%
E62King's Indian, fianchetto, Larsen system27141.3%62.0%
B75Sicilian, dragon, Yugoslav attack26731.5%58.8%
D18QGD Slav, Dutch variation26740.8%60.9%
A80Dutch, Krejcik gambit26534.3%54.2%
A84Dutch defence, Rubinstein variation26535.8%58.7%
D90Gruenfeld, Flohr variation26538.9%55.7%
C60Ruy Lopez, Cozio defence26343.0%51.1%
C62Ruy Lopez, old Steinitz defence26237.8%54.8%
D26QGA, 4...e626245.4%53.2%
C42Petrov's defence26144.1%52.3%
B64Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f425838.8%54.3%
C26Vienna game25845.7%54.7%
A01Nimzovich-Larsen attack, Indian variation25733.1%48.4%
C13French, Albin-Alekhine-Chatard attack25730.4%55.3%
E62King's Indian, fianchetto, Uhlmann (Szabo) variation25732.7%58.8%
A08Reti, King's Indian attack, French variation25637.5%48.4%
D21QGA, 3.Nf325642.2%57.8%
B02Alekhine's defence, Saemisch attack25536.9%49.4%
D42QGD, Semi-Tarrasch, 7.Bd325543.5%56.7%
B42Sicilian, Kan, Swiss cheese variation25335.6%61.3%
C64Ruy Lopez, classical defence, 4.c325340.7%55.5%
E74King's Indian, Averbakh, 6...c525335.2%55.5%
B36Sicilian, accelerated fianchetto, Gurgenidze variation25244.8%60.1%
A13English, Romanishin gambit25141.4%56.2%
C42Petrov three knights game25138.6%57.2%
C87Ruy Lopez, closed, Averbach variation25141.4%59.8%
D10QGD Slav defence, Alekhine variation25139.8%55.4%
E87King's Indian, Saemisch, orthodox, 7.d525026.8%59.4%
D31QGD, semi-Slav, Noteboom variation24939.0%51.6%
D36QGD, exchange, positional line, 6.Qc224841.9%54.8%
C25Vienna game24734.4%60.9%
E15Queen's Indian, 4.g3 Bb724641.1%54.3%
A09Reti accepted24240.5%52.9%
D66QGD, Orthodox defence, Bd3 line24047.1%59.0%
D98Gruenfeld, Russian, Smyslov variation24040.8%60.4%
B25Sicilian, closed23938.5%48.5%
B03Alekhine's defence, four pawns attack23831.5%65.3%
D05Queen's pawn game, Rubinstein (Colle-Zukertort) variation23839.5%53.8%
A16English, Anglo-Gruenfeld defense23642.8%53.2%
C79Ruy Lopez, Steinitz defence deferred (Russian defence)23540.0%54.5%
C41Philidor's defence23236.2%59.9%
B07Pirc, 150 attack22937.6%60.7%
C36KGA, Abbazia defence, modern variation22943.2%43.9%
B44Sicilian, Szen, hedgehog variation22839.5%50.9%
E62King's Indian, fianchetto with ...Nc622834.2%54.8%
B04Alekhine's defence, modern variation22733.5%60.8%
A95Dutch, stonewall with Nc322529.8%58.4%
B32Sicilian, Labourdonnais-Loewenthal variation22541.3%58.9%
B33Sicilian, Pelikan, Bird variation22538.2%64.0%
A67Benoni, Taimanov variation22426.3%63.2%
C48Four knights, Spanish variation22451.3%56.5%
D22QGA, Alekhine defence22441.5%56.5%
A17English, Queens Indian formation22336.8%60.1%
C00French, Two knights variation22338.6%51.1%
C44Ponziani, Caro variation22143.9%49.1%
D96Gruenfeld, Russian variation22142.1%55.0%
E76King's Indian, Four pawns attack22138.0%59.7%
D61QGD, Orthodox defence, Rubinstein variation22043.6%51.4%
A35English, symmetrical variation21834.9%51.8%
B57Sicilian, Sozin, not Scheveningen21841.3%56.4%
C00French, Labourdonnais variation21832.1%45.4%
B32Sicilian, Flohr variation21631.9%60.9%
C86Ruy Lopez, Worrall attack, sharp line21636.6%53.5%
B15Caro-Kann defence21532.1%51.9%
D97Gruenfeld, Russian, Szabo (Boleslavsky) variation21543.3%59.3%
E09Catalan, closed, main line21534.0%60.2%
B15Caro-Kann, Forgacs variation21442.1%55.1%
D83Gruenfeld, Gruenfeld gambit, Capablanca variation21445.8%57.5%
A17English opening21338.0%53.3%
D63QGD, Orthodox defence, 7.Rc121335.7%57.7%
D74Neo-Gruenfeld, 6.cd Nxd5, 7.O-O21144.5%56.9%
C50King's pawn game21036.2%59.5%
C64Ruy Lopez, classical (Cordel) defence20943.5%52.4%
C89Ruy Lopez, Marshall, main line, 12.d2d420842.3%63.0%
D16QGD Slav, Steiner variation20837.0%63.7%
D19QGD Slav, Dutch variation, main line20840.9%56.5%
E13Queen's Indian, 4.Nc3, main line20835.6%52.4%
D14QGD Slav, exchange, Trifunovic variation20749.8%52.4%
A96Dutch, classical variation20534.6%62.2%
B58Sicilian, classical20545.9%46.8%
A54Old Indian, Ukrainian variation, 4.Nf320438.2%57.4%
A90Dutch defence, Dutch-Indian (Nimzo-Dutch) variation20434.8%61.5%
B41Sicilian, Kan variation20442.2%54.9%
D70Neo-Gruenfeld defence20438.2%55.4%
E16Queen's Indian, Riumin variation20440.7%56.1%
E31Nimzo-Indian, Leningrad, main line20430.4%51.0%
C12French, MacCutcheon, Lasker variation20327.6%59.1%
C96Ruy Lopez, closed, Keres (...Nd7) defence20337.9%65.3%
D00Blackmar gambit20041.0%40.5%
E08Catalan, closed, Qc2 & b320042.0%50.5%
B77Sicilian, dragon, Yugoslav attack, 9...Bd719942.2%55.8%
C16French, Winawer, Petrosian variation19831.8%55.3%
D28QGA, classical, 7...b519851.5%56.1%
D35QGD, Harrwitz attack19851.0%55.3%
D88Gruenfeld, Spassky variation, main line, 10...cd, 11.cd19842.4%61.1%
B52Sicilian, Canal-Sokolsky attack, Bronstein gambit19639.8%57.1%
C43Petrov, modern attack, main line19646.9%58.2%
C51Evans gambit, Stone-Ware variation19635.2%50.3%
C77Ruy Lopez, Morphy defence19639.3%55.9%
B02Alekhine's defence, Scandinavian variation19442.8%54.9%
E45Nimzo-Indian, 4.e3, Bronstein (Byrne) variation19451.0%56.4%
E49Nimzo-Indian, 4.e3, Botvinnik system19446.4%56.2%
E83King's Indian, Saemisch, Panno formation19442.8%57.0%
D24QGA, 4.Nc319340.4%50.3%
A61Benoni, Uhlmann variation19222.4%39.3%
B12Caro-Kann defence19235.9%51.8%
C42Petrov, Kaufmann attack19249.0%49.5%
C59Two knights defence19238.0%49.2%
A12English, Caro-Kann defensive system19137.7%47.6%
C82Ruy Lopez, open, St. Petersburg variation19141.4%65.7%
C22Centre game, Paulsen attack18938.1%51.3%
C49Four knights, symmetrical variation18942.3%55.6%
A00Grob's attack18643.5%34.7%
C44Scotch, Goering gambit18644.6%56.7%
C61Ruy Lopez, Bird's defence18643.0%59.7%
D72Neo-Gruenfeld, 5.cd, main line18634.4%60.8%
B80Sicilian, Scheveningen, fianchetto variation18434.8%50.0%
C29Vienna gambit18439.7%46.5%
A40Queen's pawn, English defence18341.5%62.3%
D59QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd518349.2%47.0%
A01Nimzovich-Larsen attack, English variation18235.7%48.6%
A45Blackmar-Diemer gambit18128.7%49.7%
C50Giuoco Pianissimo, Canal variation18143.6%52.8%
B09Pirc, Austrian attack17940.2%60.9%
E94King's Indian, orthodox, Donner variation17936.3%60.1%
C54Giuoco Piano17853.4%52.5%
A30English, symmetrical, hedgehog, flexible formation17643.2%54.5%
C58Two knights defence17636.4%55.7%
A07Reti, King's Indian attack (with ...c5)17542.3%49.1%
A50Queen's Indian accelerated17548.0%57.7%
C15French, Winawer, Alekhine (Maroczy) gambit17338.2%55.5%
E24Nimzo-Indian, Saemisch variation17347.4%47.4%
C00French, Schlechter variation17241.9%49.4%
C48Four knights, Spanish, classical defence17244.8%50.3%
C89Ruy Lopez, Marshall counter-attack, 11...c617245.9%55.5%
D34QGD, Tarrasch, Prague variation, 7...Be717243.0%55.8%
E00Neo-Indian (Seirawan) attack17031.8%52.9%
C84Ruy Lopez, closed, centre attack16948.5%46.7%
D05Colle system16949.1%54.7%
D46QGD semi-Slav, Romih variation16936.7%63.9%
E10Blumenfeld counter-gambit, Dus-Chotimursky variation16933.7%57.1%
C46Four knights, Italian variation16842.3%48.5%
E50Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d516841.1%50.9%
C83Ruy Lopez, open, classical defence16748.5%60.8%
E65King's Indian, fianchetto, Yugoslav, 7.O-O16750.9%52.4%
A16English, Anglo-Gruenfeld, Czech defense16633.7%63.9%
C00French, Reti (Spielmann) variation16641.6%50.3%
C50Hungarian defence16639.8%49.4%
C65Ruy Lopez, Berlin defence, 4.O-O16541.8%59.1%
D16QGD Slav accepted, Alapin variation16538.8%66.7%
D99Gruenfeld defence, Smyslov, main line16439.6%58.8%
C23Bishop's opening16338.0%54.0%
C51Evans gambit declined, 5.a416341.7%45.4%
D49QGD semi-Slav, Meran, Blumenfeld variation16245.7%51.2%
B86Sicilian, Sozin attack16142.2%53.4%
D44QGD semi-Slav, anti-Meran, Lilienthal variation16130.4%66.1%
E76King's Indian, Four pawns attack, dynamic line16137.9%51.9%
C82Ruy Lopez, open, Dilworth variation16041.9%60.9%
D15QGD Slav, 5.e3 (Alekhine variation)16030.6%55.3%
D46QGD semi-Slav, Bogolyubov variation16043.1%57.2%
D52QGD, Cambridge Springs defence, Rubinstein variation15939.0%55.3%
D63QGD, Orthodox defence, Swiss, Karlsbad variation15941.5%54.1%
D94Gruenfeld, Smyslov defence15946.5%57.2%
A40Queen's pawn, Lundin (Kevitz-Mikenas) defence15729.9%57.6%
C93Ruy Lopez, closed, Smyslov defence15739.5%57.3%
D24QGA, Bogolyubov variation15748.4%56.7%
D26QGA, classical variation, 6.O-O15747.1%58.0%
A24English, Bremen system with ...g615641.7%48.4%
A52Budapest, Adler variation15646.8%54.8%
A36English, symmetrical, Botvinnik system15534.2%51.3%
A86Dutch, Leningrad variation15533.5%56.1%
D49QGD semi-Slav, Meran, Sozin variation15545.2%45.8%
A16English, Anglo-Gruenfeld, Smyslov defense15431.8%55.5%
A20English, Nimzovich, Flohr variation15338.6%45.4%
C77Ruy Lopez, four knights (Tarrasch) variation15346.4%55.9%
C11French defence15141.7%54.6%
C23Bishop's opening, Philidor counter-attack15157.0%49.0%
A02Bird, From gambit15034.7%50.0%
A58Benko gambit, fianchetto variation15044.0%61.3%
B23Sicilian, Grand Prix attack, Schofman variation15040.7%53.0%
B12Caro-Kann, 3.Nd214943.0%59.7%
C19French, Winawer, advance, Smyslov variation14926.8%61.1%
C21Centre game14943.6%58.1%
C42Petrov, Paulsen attack14940.9%52.0%
B04Alekhine's defence, modern, Schmid variation14839.2%61.5%
D41QGD, Semi-Tarrasch with e314847.3%54.7%
C75Ruy Lopez, modern Steinitz defence14642.5%54.8%
B01Scandinavian gambit14542.1%52.8%
C48Four knights, Rubinstein counter-gambit, exchange variation14465.3%52.1%
D44QGD semi-Slav, 5.Bg5 dc14444.4%49.3%
D62QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)14450.0%56.9%
B60Sicilian, Richter-Rauzer, Larsen variation14330.1%59.1%
A38English, symmetrical, main line with d314247.9%53.5%
D10QGD Slav, Winawer counter-gambit14232.4%54.2%
D94Gruenfeld, Opovcensky variation14243.0%54.6%
D06QGD, Marshall defence14043.6%58.9%
E51Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d514049.3%48.9%
B06Robatsch defence, three pawns attack13930.9%63.7%
B80Sicilian, Scheveningen, English variation13931.7%52.5%
C53Giuoco Piano, Bird's attack13932.4%49.3%
C56Two knights defence13943.9%49.3%
D31QGD, Janowski variation13943.2%52.5%
B63Sicilian, Richter-Rauzer, Rauzer attack13835.5%57.6%
C42Petrov, classical attack, close variation13746.0%58.8%
C73Ruy Lopez, modern Steinitz defence, Richter variation13751.8%53.6%
D55QGD, Neo-orthodox variation, 7.Bh413744.5%58.0%
C12French, MacCutcheon, Janowski variation13637.5%57.7%
C98Ruy Lopez, closed, Chigorin, 12...Nc613631.6%61.4%
E02Catalan, open, 5.Qa413647.1%58.8%
B23Sicilian, closed, Korchnoi variation13551.1%53.0%
A53Old Indian, Janowski variation13432.8%56.7%
B37Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg713447.8%55.2%
A00Mieses opening13333.8%53.0%
C81Ruy Lopez, open, Howell attack13351.9%50.8%
C34KGA, Fischer defence13231.8%46.2%
E40Nimzo-Indian, 4.e313229.5%58.0%
A83Dutch, Staunton gambit, Staunton's line13135.9%50.0%
C70Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation13138.9%64.5%
B27Sicilian, Katalimov variation13044.6%61.5%
B85Sicilian, Scheveningen, classical13040.8%51.9%
D15QGD Slav, Suechting variation13032.3%58.5%
E25Nimzo-Indian, Saemisch variation13043.1%52.3%
A21English, Troeger defence12929.5%54.3%
D52QGD12941.1%57.8%
A41Robatsch defence, Rossolimo variation12837.5%51.6%
D31QGD, semi-Slav, Abrahams variation12835.2%44.1%
A18English, Mikenas-Carls variation12745.7%55.9%
B59Sicilian, Boleslavsky variation, 7.Nb312646.8%52.0%
B98Sicilian, Najdorf, 7...Be712632.5%54.4%
E20Nimzo-Indian defence12650.8%51.6%
B13Caro-Kann, exchange, Rubinstein variation12536.8%52.8%
A12English, London defensive system12441.9%51.6%
A60Benoni defence12423.4%63.3%
A04Reti, Pirc-Lisitsin gambit12329.3%49.6%
A77Benoni, classical, 9...Re8, 10.Nd212226.2%68.0%
D55QGD, 6.Nf312235.2%57.8%
D08QGD, Albin counter-gambit12142.1%59.1%
A28English, Nenarokov variation12040.0%51.7%
B05Alekhine's defence, modern, Flohr variation12037.5%63.8%
D97Gruenfeld, Russian, Byrne (Simagin) variation12037.5%58.8%
A00Polish, Outflank variation11945.4%47.9%
A25English, closed system (without ...d6)11927.7%55.0%
C46Three knights game11936.1%55.0%
C74Ruy Lopez, Siesta, Kopayev variation11931.1%54.2%
C92Ruy Lopez, closed, Kholmov variation11930.3%66.4%
D11QGD Slav, Breyer variation11945.4%58.8%
E15Queen's Indian, Rubinstein variation11937.0%58.8%
E46Nimzo-Indian, Simagin variation11939.5%49.2%
A59Benko gambit, main line11841.5%66.5%
B03Alekhine's defence, four pawns attack, fianchetto variation11832.2%59.3%
D15QGD Slav, Tolush-Geller gambit11828.8%40.7%
A13English, Wimpey system11742.7%51.3%
E10Blumenfeld counter-gambit accepted11741.0%53.8%
C00St. George defence11648.3%63.8%
C11French, Steinitz, Gledhill attack11633.6%54.7%
C27Vienna game11643.1%54.3%
B01Scandinavian defence, Lasker variation11533.0%64.3%
C07French, Tarrasch, Eliskases variation11547.8%53.5%
D06QGD, Grau (Sahovic) defence11536.5%60.9%
A07Reti, King's Indian attack, Pachman system11436.8%52.6%
A64Benoni, fianchetto, 11...Re811440.4%43.9%
C42Petrov, classical attack, Mason variation11443.0%59.2%
C71Ruy Lopez, modern Steinitz defence, Duras (Keres) variation11443.0%56.6%
A00Benko's opening, reversed Alekhine11342.5%48.7%
A36English, symmetrical variation11337.2%54.9%
D09QGD, Albin counter-gambit, 5.g311342.5%58.4%
D59QGD, Tartakower variation11346.0%46.0%
A06Santasiere's folly11240.2%42.4%
A42Modern defence, Averbakh system, Kotov variation11224.1%65.6%
D48QGD semi-Slav, Meran, old main line11235.7%52.7%
B03Alekhine's defence, four pawns attack, 7.Be310935.8%67.4%
C12French, MacCutcheon variation10942.2%49.5%
C21Danish gambit10941.3%47.2%
E70King's Indian, accelerated Averbakh system10933.0%55.0%
E77King's Indian, Four pawns attack10932.1%58.3%
C47Four knights, Belgrade gambit10846.3%54.6%
C71Ruy Lopez, modern Steinitz defence10842.6%55.6%
B68Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be710729.9%57.0%
C44Ponziani counter-gambit10743.0%57.9%
E22Nimzo-Indian, Spielmann variation10644.3%50.5%
A82Dutch, Staunton gambit10536.2%35.2%
B73Sicilian, dragon, classical, Richter variation10544.8%56.7%
B82Sicilian, Scheveningen, Tal variation10535.2%61.4%
B77Sicilian, dragon, Yugoslav attack, 9.Bc410433.7%49.5%
C33KGA, bishop's gambit, Jaenisch variation10442.3%48.1%
A44Semi-Benoni (`blockade variation')10331.1%62.1%
D22QGA, Haberditz variation10358.3%51.5%
D86Gruenfeld, exchange, Simagin's improved variation10339.8%51.0%
A43Old Benoni, Franco-Benoni defence10136.6%58.9%
A54Old Indian, Ukrainian variation10146.5%55.0%
A93Dutch, stonewall, Botwinnik variation10133.7%61.4%
D25QGA, 4.e310136.6%55.9%
A91Dutch defence10034.0%52.0%
B00KP, Nimzovich defence, Bogolyubov variation10032.0%59.0%
D60QGD, Orthodox defence10036.0%56.0%
E05Catalan, open, classical line10053.0%54.5%
C66Ruy Lopez, Berlin defence, hedgehog variation9952.5%57.6%
E32Nimzo-Indian, classical, Adorjan gambit9943.4%50.0%
A76Benoni, classical, 9...Re89839.8%63.8%
C02French, advance, Milner-Barry gambit9833.7%46.4%
E92King's Indian, Petrosian system9828.6%52.0%
C44Ponziani, Leonhardt variation9635.4%47.9%
D64QGD, Orthodox defence, Rubinstein attack (with Rc1)9644.8%56.8%
E53Nimzo-Indian, 4.e3, Keres variation9636.5%46.4%
B96Sicilian, Najdorf, Polugayevsky variation9538.9%54.2%
C02French, advance, Nimzovich system9531.6%45.3%
D25QGA, Smyslov variation9553.7%58.4%
E28Nimzo-Indian, Saemisch variation9525.3%52.6%
A03Bird's opening, Lasker variation9429.8%43.6%
B72Sicilian, dragon, classical attack9439.4%51.6%
A06Reti, old Indian attack9325.8%48.4%
C30King's gambit9343.0%60.2%
E67King's Indian, fianchetto with ...Nd79335.5%55.4%
A71Benoni, classical, 8.Bg59230.4%55.4%
A99Dutch, Ilyin-Genevsky variation with b39234.8%64.1%
C29Vienna gambit, Breyer variation9231.5%53.8%
D56QGD, Lasker defence, Teichmann variation9252.2%50.0%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc39248.9%58.2%
E82King's Indian, Saemisch, double fianchetto variation9232.6%58.7%
E64King's Indian, fianchetto, Yugoslav system9135.2%59.3%
B13Caro-Kann, Panov-Botvinnik, normal variation9050.0%57.2%
E08Catalan, closed, 7.Qc29040.0%60.0%
A86Dutch with c4 & g38937.1%64.6%
C66Ruy Lopez, Berlin defence, 4.O-O, d68950.6%54.5%
C82Ruy Lopez, open, Italian variation8948.3%65.7%
D07QGD, Chigorin defence, Janowski variation8933.7%62.9%
D12QGD Slav, exchange variation8938.2%49.4%
A16English, Anglo-Gruenfeld defense, Korchnoi variation8836.4%58.0%
B02Alekhine's defence, Maroczy variation8836.4%58.0%
D63QGD, Orthodox defence8846.6%58.5%
D63QGD, Orthodox defence, Swiss (Henneberger) variation8843.2%62.5%
B09Pirc, Austrian attack, 6.e58744.8%56.9%
C14French, classical, Alapin variation8746.0%54.0%
C70Ruy Lopez, Classical defence deferred8744.8%61.5%
D35QGD, 3...Nf68740.2%50.0%
B03Alekhine's defence8633.7%62.2%
B83Sicilian, modern Scheveningen, main line with Nb38636.0%57.6%
C46Four knights, Gunsberg variation8647.7%50.6%
D15QGD Slav accepted8643.0%50.6%
E25Nimzo-Indian, Saemisch, Romanovsky variation8646.5%50.0%
B74Sicilian, dragon, classical, Reti-Tartakower variation8547.1%55.3%
C70Ruy Lopez, Caro variation8542.4%58.8%
C68Ruy Lopez, exchange, Keres variation8454.8%51.2%
D94Gruenfeld, Makogonov variation8450.0%47.6%
E90King's Indian, Larsen variation8440.5%59.5%
A28English, four knights, Stean variation8342.2%59.6%
B18Caro-Kann, classical, Flohr variation8357.8%49.4%
C73Ruy Lopez, modern Steinitz defence, Alapin variation8338.6%54.2%
E93King's Indian, Petrosian system, main line8336.1%50.6%
A12English, Caro-Kann defensive system, Bogolyubov variation8248.8%53.7%
B72Sicilian, dragon, 6.Be38234.1%53.7%
D20QGA, Linares variation8235.4%61.6%
E10Blumenfeld counter-gambit, Spielmann variation8236.6%57.3%
E62King's Indian, fianchetto, Simagin variation8235.4%64.0%
E61King's Indian, Smyslov system8138.3%53.7%
C25Vienna, Paulsen variation8035.0%57.5%
D49QGD semi-Slav, Meran, Stahlberg variation8041.3%45.6%
A69Benoni, four pawns attack, main line7938.0%46.8%
A97Dutch, Ilyin-Genevsky, Winter variation7936.7%63.9%
B69Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf67931.6%61.4%
C44King's pawn game7935.4%51.9%
C68Ruy Lopez, exchange variation7941.8%51.3%
B42Sicilian, Kan, Gipslis variation7839.7%63.5%
C40Latvian counter-gambit7833.3%61.5%
E29Nimzo-Indian, Saemisch, main line7839.7%55.8%
D87Gruenfeld, exchange, Seville variation7754.5%62.3%
E81King's Indian, Saemisch, Byrne variation7740.3%53.9%
A41Modern defence7634.2%56.6%
A92Dutch, stonewall variation7647.4%59.2%
E33Nimzo-Indian, classical, 4...Nc67647.4%59.2%
E40Nimzo-Indian, 4.e3, Taimanov variation7635.5%62.5%
B10Caro-Kann, Goldman (Spielmann) variation7540.0%49.3%
C39KGA, Kieseritsky, Kolisch defence7542.7%44.0%
C51Evans gambit, Cordel variation7552.0%44.7%
C67Ruy Lopez, open Berlin defence, l'Hermet variation7556.0%49.3%
C75Ruy Lopez, modern Steinitz defence, Rubinstein variation7538.7%55.3%
D44QGD semi-Slav, Botvinnik system (anti-Meran)7537.3%56.0%
A47Queen's Indian, Marienbad system7436.5%56.1%
A63Benoni, fianchetto, 9...Nbd77433.8%65.5%
A57Benko gambit, Zaitsev system7339.7%48.6%
A68Benoni, four pawns attack7334.2%56.8%
A83Dutch, Staunton gambit, Chigorin variation7231.9%53.5%
C13French, Albin-Alekhine-Chatard attack, Breyer variation7240.3%66.0%
D27QGA, classical, Geller variation7255.6%52.8%
E03Catalan, open, 5.Qa4 Nbd7, 6.Qxc47254.2%41.0%
A36English, symmetrical, Botvinnik system reversed7139.4%53.5%
C40Gunderam defence7129.6%69.7%
C65Ruy Lopez, Berlin defence, Nyholm attack7156.3%54.9%
D50QGD, 4.Bg57140.8%54.2%
D51QGD, 5...c67152.1%52.8%
E10Dzindzikhashvili defence7152.1%58.5%
B62Sicilian, Richter-Rauzer, Keres variation7035.7%52.1%
C52Evans gambit, Tartakower attack7044.3%43.6%
C67Ruy Lopez, open Berlin defence, 5...Be77035.7%53.6%
C77Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)7041.4%43.6%
D25QGA, Flohr variation7030.0%66.4%
D89Gruenfeld, Spassky variation, main line, 13.Bd37038.6%49.3%
C64Ruy Lopez, Cordel gambit6942.0%58.7%
C90Ruy Lopez, closed, Suetin variation6937.7%56.5%
D68QGD, Orthodox defence, classical variation6947.8%57.2%
A12English, Capablanca's variation6835.3%47.1%
A13English, Kurajica defence6829.4%58.8%
A20English, Nimzovich variation6839.7%58.1%
C86Ruy Lopez, Worrall attack, solid line6835.3%47.1%
E26Nimzo-Indian, Saemisch variation6839.7%58.1%
E83King's Indian, Saemisch, 6...Nc66829.4%44.1%
D16QGD Slav, Smyslov variation6734.3%59.0%
D33QGD, Tarrasch, Prague variation6731.3%54.5%
D51QGD, 4.Bg5 Nbd76741.8%53.7%
B84Sicilian, Scheveningen, classical, Nd7 system6636.4%50.0%
D95Gruenfeld, Botvinnik variation6642.4%51.5%
E07Catalan, closed, Botvinnik variation6645.5%43.9%
C57Two knights defence, Fegatello attack6526.2%53.1%
C82Ruy Lopez, open, Motzko attack6546.2%58.5%
D60QGD, Orthodox defence, Botvinnik variation6532.3%50.0%
E46Nimzo-Indian, 4.e3 O-O6535.4%57.7%
A72Benoni, classical without 9.O-O6445.3%61.7%
C00French, Pelikan variation6435.9%52.3%
C49Four knights6454.7%49.2%
C12French, MacCutcheon, Chigorin variation6338.1%47.6%
C42Petrov, Cochrane gambit6317.5%32.5%
C42Petrov, Italian variation6327.0%50.0%
C49Four knights, double Ruy Lopez6342.9%62.7%
D28QGA, classical, 7.Qe26350.8%60.3%
E07Catalan, closed, 6...Nbd76336.5%51.6%
C03French, Tarrasch, Guimard variation6229.0%66.1%
C20KP, Indian opening6238.7%43.5%
C55Two knights defence6243.5%52.4%
D32QGD, Tarrasch, von Hennig-Schara gambit6241.9%61.3%
E62King's Indian, fianchetto variation6235.5%50.0%
B20Sicilian, wing gambit, Marshall variation6129.5%55.7%
C66Ruy Lopez, closed Berlin defence, Wolf variation6157.4%56.6%
D49QGD semi-Slav, Meran, Rabinovich variation6025.0%44.2%
B03Alekhine's defence, four pawns attack, Trifunovic variation5935.6%68.6%
C13French, Albin-Alekhine-Chatard attack, Spielmann variation5940.7%69.5%
C48Four knights, Rubinstein counter-gambit, Henneberger variation5940.7%50.8%
D47QGD semi-Slav, 7.Bc45939.0%53.4%
E17Queen's Indian, Euwe variation5952.5%55.1%
E30Nimzo-Indian, Leningrad, ...b5 gambit5930.5%47.5%
A17English, Queens Indian, Romanishin variation5827.6%58.6%
A52Budapest, Alekhine, Abonyi variation5827.6%62.1%
B20Sicilian, wing gambit5750.9%41.2%
B22Sicilian, 2.c3, Heidenfeld variation5726.3%44.7%
C50Giuoco Piano, four knights variation5738.6%52.6%
C80Ruy Lopez, open (Tarrasch) defence5745.6%59.6%
D00Queen's pawn, stonewall attack5736.8%43.0%
D84Gruenfeld, Gruenfeld gambit accepted5750.9%55.3%
B01Scandinavian, Icelandic gambit5646.4%57.1%
C17French, Winawer, advance variation5641.1%59.8%
C35KGA, Cunningham defence5637.5%49.1%
C39KGA, Kieseritsky, Berlin defence5639.3%41.1%
E72King's Indian with e4 & g35633.9%56.3%
E85King's Indian, Saemisch, orthodox variation5635.7%51.8%
A92Dutch defence5550.9%58.2%
C45Scotch, Romanishin variation5545.5%59.1%
C58Two knights defence, Bogolyubov variation5532.7%45.5%
C66Ruy Lopez, closed Berlin defence, Showalter variation5547.3%56.4%
C67Ruy Lopez, Berlin defence, Cordel variation5536.4%58.2%
E99King's Indian, orthodox, Aronin-Taimanov, Benko attack5523.6%66.4%
A79Benoni, classical, 11.f35429.6%59.3%
B53Sicilian, Chekhover, Zaitsev variation5424.1%58.3%
B56Sicilian, Venice attack5437.0%64.8%
B62Sicilian, Richter-Rauzer, Margate (Alekhine) variation5437.0%51.9%
C17French, Winawer, advance, Russian variation5438.9%52.8%
C33KGA, bishop's gambit5433.3%46.3%
C49Four knights, Nimzovich (Paulsen) variation5457.4%58.3%
A05Reti, King's Indian attack, Reti-Smyslov variation5337.7%56.6%
C12French, MacCutcheon, Dr. Olland (Dutch) variation5326.4%64.2%
C43Petrov, modern attack, Trifunovic variation5345.3%49.1%
C49Four knights, symmetrical, Maroczy system5347.2%51.9%
E53Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd75360.4%50.9%
A28English, Bradley Beach variation5221.2%37.5%
B06Robatsch defence, Gurgenidze variation5236.5%60.6%
C23Bishop's opening, Classical variation5238.5%53.8%
C30KGD, classical variation5226.9%59.6%
C44Ponziani, Fraser defence5242.3%65.4%
E75King's Indian, Averbakh, main line5225.0%58.7%
A00Grob, Fritz gambit5143.1%27.5%
A75Benoni, classical with ...a6 and 10...Bg45127.5%70.6%
A40Polish defence5046.0%51.0%
C41Philidor, Nimzovich, Larobok variation5046.0%33.0%
C74Ruy Lopez, modern Steinitz defence5038.0%57.0%
A73Benoni, classical, 9.O-O4928.6%57.1%
A81Dutch defence, Blackburne variation4930.6%52.0%
B80Sicilian, Scheveningen, Vitolins variation4949.0%51.0%
C39KGA, Kieseritsky, Salvio (Rosenthal) defence4951.0%39.8%
C44Scotch gambit, Benima defence4936.7%55.1%
D57QGD, Lasker defence, main line4957.1%53.1%
B12Caro-Kann, advance, Short variation4833.3%52.1%
C24Bishop's opening, Urusov gambit4831.3%36.5%
C57Two knights defence, Wilkes Barre (Traxler) variation4837.5%54.2%
C77Ruy Lopez, Morphy defence, Duras variation4841.7%56.3%
C78Ruy Lopez, ...b5 & ...d64837.5%54.2%
C95Ruy Lopez, closed, Breyer, Gligoric variation4845.8%54.2%
D67QGD, Orthodox defence, Bd3 line, 11.O-O4736.2%64.9%
D86Gruenfeld, exchange, Simagin's lesser variation4738.3%59.6%
E27Nimzo-Indian, Saemisch variation4746.8%40.4%
B58Sicilian, Boleslavsky, Louma variation4637.0%57.6%
B62Sicilian, Richter-Rauzer, 6...e64639.1%58.7%
C15French, Winawer, Alekhine gambit, Kan variation4643.5%47.8%
C94Ruy Lopez, closed, Breyer defence4634.8%58.7%
D68QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)4656.5%58.7%
E24Nimzo-Indian, Saemisch, Botvinnik variation4634.8%41.3%
A90Dutch-Indian, Alekhine variation4537.8%56.7%
A94Dutch, stonewall with Ba34551.1%56.7%
B04Alekhine's defence, modern, Keres variation4533.3%72.2%
B71Sicilian, dragon, Levenfish variation4531.1%57.8%
C05French, Tarrasch, Botvinnik variation4531.1%64.4%
C26Vienna, Falkbeer variation4546.7%54.4%
C36KGA, Abbazia defence (classical defence, modern defence[!])4533.3%67.8%
C41Philidor, Nimzovich variation4548.9%57.8%
C44Scotch gambit4531.1%62.2%
C80Ruy Lopez, open, 6.d44537.8%45.6%
D26QGA, classical, Steinitz variation4555.6%63.3%
C52Evans gambit, compromised defence4420.5%73.9%
C88Ruy Lopez, closed, Balla variation4436.4%54.5%
E60King's Indian, Anti-Gruenfeld4434.1%60.2%
B40Sicilian, Pin, Koch variation4325.6%80.2%
B98Sicilian, Najdorf, Browne variation4327.9%60.5%
C83Ruy Lopez, open, 9...Be7, 10.Re14334.9%54.7%
E96King's Indian, orthodox, 7...Nbd7, main line4341.9%60.5%
A56Czech Benoni, King's Indian system4214.3%64.3%
A97Dutch, Ilyin-Genevsky variation4228.6%57.1%
B25Sicilian, closed, 6.Ne2 e5 (Botvinnik)4233.3%52.4%
B55Sicilian, Prins variation, Venice attack4242.9%50.0%
B72Sicilian, dragon, classical, Amsterdam variation4223.8%47.6%
C11French, Swiss variation4247.6%57.1%
C49Four knights, symmetrical, Pillsbury variation4259.5%48.8%
D33QGD, Tarrasch, Folkestone (Swedish) variation4254.8%58.3%
D70Neo-Gruenfeld (Kemeri) defence4238.1%54.8%
A59Benko gambit4143.9%63.4%
C30KGD, classical, 4.c34129.3%63.4%
C39KGA, Kieseritsky, Berlin defence, 6.Bc44131.7%35.4%
C67Ruy Lopez, Berlin defence, Minckwitz variation4148.8%61.0%
D29QGA, classical, Smyslov variation4153.7%46.3%
D52QGD, Cambridge Springs defence, 7.cd4136.6%52.4%
E23Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc64143.9%51.2%
A09Reti accepted, Keres variation4032.5%68.8%
A12English, Torre defensive system4042.5%58.8%
C27Boden-Kieseritsky gambit4032.5%31.3%
C45Scotch, Steinitz variation4035.0%55.0%
C96Ruy Lopez, closed, Borisenko defence4040.0%57.5%
A78Benoni, classical with ...Re8 and ...Na63836.8%57.9%
A98Dutch, Ilyin-Genevsky variation with Qc23826.3%52.6%
B00St. George (Baker) defence3839.5%59.2%
D52QGD, Cambridge Springs defence3842.1%47.4%
D54QGD, Anti-neo-orthodox variation3847.4%47.4%
D60QGD, Orthodox defence, Rauzer variation3844.7%61.8%
E12Queen's Indian, 4.Nc3, Botvinnik variation3823.7%46.1%
C54Giuoco Piano, Moeller (Therkatz) attack3745.9%47.3%
C90Ruy Lopez, closed, Lutikov variation3748.6%56.8%
D23Queen's gambit accepted3737.8%54.1%
D46QGD semi-Slav, 6.Bd33737.8%62.2%
A21English, Smyslov defence3630.6%59.7%
A25English, closed, Hort variation3636.1%54.2%
C41Philidor, Hanham variation3638.9%61.1%
C51Evans gambit, 5...Be73636.1%56.9%
C53Giuoco Piano, centre-holding variation3636.1%59.7%
D06QGD, symmetrical (Austrian) defence3647.2%56.9%
D52QGD, Cambridge Springs defence, Capablanca variation3636.1%59.7%
A51Budapest, Fajarowicz variation3525.7%61.4%
A92Dutch defence, Alekhine variation3540.0%62.9%
B27Sicilian, Quinteros variation3537.1%64.3%
C01French, exchange, Svenonius variation3537.1%55.7%
C45Scotch, Meitner variation3554.3%55.7%
C47Four knights, Scotch, Krause variation3537.1%64.3%
C60Ruy Lopez, Cozio defence, Paulsen variation3525.7%70.0%
C70Ruy Lopez3545.7%51.4%
D30QGD, Capablanca variation3531.4%58.6%
D53QGD, 4.Bg5 Be7, 5.e3 O-O3551.4%51.4%
D67QGD, Orthodox defence, Bd3 line, Alekhine variation3557.1%54.3%
E60Queen's pawn, Mengarini attack3531.4%61.4%
A12English, New York (London) defensive system3452.9%44.1%
A40Beefeater defence3423.5%67.6%
C00French, Wing gambit3444.1%63.2%
C70Ruy Lopez, fianchetto defence deferred3458.8%55.9%
B12Caro-Kann, Edinburgh variation3342.4%57.6%
C14French, classical, Rubinstein variation3336.4%60.6%
C34KGA, Becker defence3342.4%45.5%
C41Philidor, Larsen variation3321.2%68.2%
E73King's Indian, 5.Be23339.4%56.1%
A45Paleface attack3234.4%45.3%
C15French, Winawer, fingerslip variation3240.6%32.8%
C21Danish gambit, Soerensen defence3262.5%56.3%
C60Ruy Lopez (Spanish opening)3228.1%64.1%
C65Ruy Lopez, Berlin defence, Kaufmann variation3246.9%54.7%
E90King's Indian, Zinnowitz variation3246.9%54.7%
A43Old Benoni, Mujannah formation3138.7%67.7%
B07Pirc, bayonet (Mariotti) attack3154.8%56.5%
B29Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit3154.8%46.8%
B96Sicilian, Najdorf, Polugayevsky, Simagin variation3122.6%56.5%
C25Vienna gambit3129.0%53.2%
C33KGA, bishop's gambit, Bledow variation3119.4%32.3%
C43Petrov, modern (Steinitz) attack3148.4%56.5%
E15Queen's Indian, Buerger variation3135.5%59.7%
A52Budapest defence3043.3%48.3%
C31KGD, Falkbeer counter-gambit3046.7%53.3%
C41Philidor, Nimzovich, Rellstab variation3043.3%68.3%
C46Three knights, Steinitz variation3043.3%55.0%
D00Blackmar-Diemer gambit3020.0%40.0%
E17Queen's Indian, 5.Bg2 Be73026.7%43.3%
E73King's Indian, Semi-Averbakh system3036.7%51.7%
A00Clemenz (Mead's, Basman's or de Klerk's) opening2931.0%43.1%
A02Bird, From gambit, Lasker variation2955.2%58.6%
A03Bird's opening, Williams gambit2937.9%63.8%
C67Ruy Lopez, Berlin defence, Winawer attack2934.5%69.0%
D97Gruenfeld, Russian variation with e42931.0%60.3%
E26Nimzo-Indian, Saemisch, O'Kelly variation2941.4%51.7%
B13Caro-Kann, Panov-Botvinnik, Czerniak variation2828.6%50.0%
B25Sicilian, closed, 6.f4 e5 (Botvinnik)2846.4%55.4%
B72Sicilian, dragon, classical, Grigoriev variation2846.4%51.8%
C13French, classical2842.9%42.9%
C30KGD, 2...Nf62828.6%60.7%
C34KGA, Bonsch-Osmolovsky variation2832.1%55.4%
C44Inverted Hanham2832.1%41.1%
C53Giuoco Piano, close variation2835.7%71.4%
D34QGD, Tarrasch, Reti variation2860.7%58.9%
D40QGD, Semi-Tarrasch defence, Pillsbury variation2835.7%57.1%
E89King's Indian, Saemisch, orthodox main line2832.1%62.5%
B60Sicilian, Richter-Rauzer, Bondarevsky variation2755.6%57.4%
C31KGD, Nimzovich counter-gambit2751.9%63.0%
C88Ruy Lopez, closed, 8.c32737.0%63.0%
C51Evans gambit declined, Showalter variation2642.3%51.9%
D00Blackmar-Diemer, Euwe defence2623.1%42.3%
D44QGD semi-Slav, Ekstrom variation2646.2%38.5%
E29Nimzo-Indian, Saemisch, Capablanca variation2638.5%42.3%
A43Old Benoni, Schmid's system2520.0%58.0%
B31Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation2556.0%56.0%
B85Sicilian, Scheveningen, classical, Maroczy system2536.0%54.0%
C45Scotch, Horwitz attack2536.0%66.0%
C55Two knights defence, Perreux variation2548.0%52.0%
D21QGA, Alekhine defense, Borisenko-Furman variation2528.0%50.0%
E92King's Indian, classical variation2536.0%38.0%
B07Pirc, Holmov system2441.7%58.3%
C13French, classical, Tartakower variation2437.5%47.9%
C37KGA, Blachly gambit2437.5%31.3%
C42Petrov, Damiano variation2441.7%50.0%
C67Ruy Lopez, Berlin defence, Rosenthal variation2450.0%62.5%
C86Ruy Lopez, Worrall attack2454.2%56.3%
D41QGD, Semi-Tarrasch, San Sebastian variation2437.5%77.1%
D44QGD semi-Slav, anti-Meran, Szabo variation2420.8%35.4%
B15Caro-Kann, Alekhine gambit2339.1%50.0%
B32Sicilian, Nimzovich variation2339.1%54.3%
B74Sicilian, dragon, classical, Alekhine variation2347.8%67.4%
C34KGA, Schallop defence2339.1%67.4%
C38King's knight's gambit2339.1%28.3%
C58Two knights defence, Colman variation2326.1%34.8%
C80Ruy Lopez, open, Bernstein variation, Karpov gambit2343.5%43.5%
D90Gruenfeld, Schlechter variation2330.4%41.3%
E51Nimzo-Indian, 4.e3, Ragozin variation2339.1%67.4%
A18English, Mikenas-Carls, Kevitz variation2227.3%45.5%
A40Queen's pawn, Charlick (Englund) gambit2240.9%56.8%
C12French, MacCutcheon, Grigoriev variation2240.9%56.8%
C20KP, Patzer opening2227.3%31.8%
C20King's pawn game2236.4%54.5%
C40Latvian, Polerio variation2227.3%40.9%
C44Inverted Hungarian2245.5%59.1%
C49Four knights, symmetrical, Capablanca variation2259.1%61.4%
C55Two knights, Max Lange attack, Schlechter variation2250.0%52.3%
C57Two knights defence, Ulvestad variation2263.6%45.5%
C96Ruy Lopez, closed (8...Na5)2254.5%63.6%
D01Richter-Veresov attack, Veresov variation2250.0%47.7%
D30QGD Slav, Semmering variation2231.8%47.7%
D32QGD, Tarrasch defence, 4.cd ed2236.4%54.5%
A00Novosibirsk opening2133.3%50.0%
A74Benoni, classical, 9...a6, 10.a42142.9%73.8%
B24Sicilian, closed, Smyslov variation2133.3%54.8%
B44Sicilian, Szen variation, Dely-Kasparov gambit2161.9%59.5%
B50Sicilian, wing gambit deferred2123.8%35.7%
C12French, MacCutcheon, Bernstein variation2123.8%59.5%
C25Vienna game, Max Lange defence2142.9%50.0%
C41Philidor, Hanham, Steiner variation2138.1%66.7%
C44Ponziani, Reti variation2133.3%59.5%
D12QGD Slav, Amsterdam variation2152.4%45.2%
E10Doery defence2142.9%54.8%
E99King's Indian, orthodox, Aronin-Taimanov, main line2123.8%59.5%
A25English, closed, Taimanov variation2010.0%65.0%
A80Dutch, Korchnoi attack2025.0%42.5%
B98Sicilian, Najdorf, Goteborg (Argentine) variation2045.0%47.5%
C20KP, Mengarini's opening2040.0%25.0%
C46Three knights, Schlechter variation2035.0%52.5%
C51Evans gambit declined2015.0%57.5%
C51Evans gambit, Morphy attack2040.0%55.0%
C74Ruy Lopez, modern Steinitz defence, siesta variation2045.0%47.5%
C88Ruy Lopez, closed, 7...d6, 8.d42030.0%20.0%
C95Ruy Lopez, closed, Breyer, Simagin variation2035.0%57.5%
D08QGD, Albin counter-gambit, Alapin variation2055.0%57.5%
D48QGD semi-Slav, Meran205.0%37.5%
D94Gruenfeld with e3 Bd32040.0%55.0%
B34Sicilian, accelerated fianchetto, exchange variation1947.4%65.8%
B41Sicilian, Kan, Maroczy bind - Bronstein variation1936.8%28.9%
B45Sicilian, Taimanov, American attack1942.1%42.1%
C33KGA, bishop's gambit, Morphy variation1926.3%60.5%
C41Philidor, Hanham, Schlechter variation1931.6%73.7%
C51Evans gambit, normal variation1921.1%47.4%
C52Evans gambit, Richardson attack1936.8%28.9%
C53Giuoco Piano, Anderssen variation1957.9%39.5%
C55Two knights, Max Lange attack1942.1%57.9%
C57Two knights defence, Lolli attack1936.8%55.3%
C70Ruy Lopez, Schliemann defence deferred1926.3%71.1%
C80Ruy Lopez, open, Schlechter defence1931.6%26.3%
D52QGD, Cambridge Springs defence, Argentine variation1931.6%42.1%
D67QGD, Orthodox defence, Bd3 line1957.9%44.7%
D83Gruenfeld, Gruenfeld gambit1931.6%68.4%
E54Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation1968.4%65.8%
A00Amar (Paris) opening1844.4%33.3%
A04Reti, Lisitsin gambit deferred1816.7%75.0%
B72Sicilian, dragon, classical, Nottingham variation1844.4%55.6%
C35KGA, Cunningham, Euwe defence1827.8%58.3%
C41Philidor, Nimzovich (Jaenisch) variation1838.9%47.2%
C51Evans gambit, Paulsen variation1827.8%69.4%
D05Queen's pawn game, Zukertort variation1861.1%52.8%
D15QGD Slav, Slav gambit1822.2%55.6%
D63QGD, Orthodox defence, Pillsbury attack1844.4%66.7%
D64QGD, Orthodox defence, Rubinstein attack, Karlsbad variation1844.4%33.3%
D94Gruenfeld, Flohr defence1850.0%58.3%
D95Gruenfeld with e3 & Qb31844.4%61.1%
A66Benoni, Mikenas variation1723.5%47.1%
A80Dutch, Manhattan (Alapin, Ulvestad) variation1741.2%61.8%
A92Dutch, stonewall with Nc31729.4%44.1%
B02Alekhine's defence, Spielmann variation1729.4%44.1%
C06French, Tarrasch, Leningrad variation1717.6%85.3%
C10French, Frere (Becker) variation1741.2%61.8%
C20Alapin's opening1729.4%67.6%
C33KGA, bishop's gambit, Steinitz defence1741.2%38.2%
C39KGA, Kieseritsky, Rice gambit1723.5%29.4%
C45Scotch, Blackburne attack1741.2%50.0%
C48Four knights, Rubinstein counter-gambit, Bogolyubov variation1752.9%44.1%
C71Ruy Lopez, modern Steinitz defence, Three knights variation1741.2%50.0%
D01Richter-Veresov attack, Richter variation1723.5%52.9%
D51QGD1764.7%61.8%
A00Battambang opening1631.3%46.9%
A06Tennison (Lemberg, Zukertort) gambit1656.3%40.6%
A12English, Bled variation1643.8%59.4%
A44Old Benoni defence1643.8%65.6%
B00Reversed Grob (Borg/Basman defence/macho Grob)1631.3%84.4%
B27Sicilian defence1631.3%53.1%
B62Sicilian, Richter-Rauzer, Podvebrady variation1656.3%34.4%
C44Ponziani, Romanishin variation1631.3%46.9%
C45Scotch, Blumenfeld attack1637.5%31.3%
C48Four knights, Ranken variation1643.8%65.6%
C49Four knights, symmetrical, Tarrasch variation1650.0%50.0%
C52Evans gambit, compromised defence, Paulsen variation1625.0%62.5%
C68Ruy Lopez, exchange, Alekhine variation1637.5%43.8%
C82Ruy Lopez, open, Berlin variation1637.5%68.8%
C83Ruy Lopez, open, Malkin variation1662.5%56.3%
C92Ruy Lopez, closed, Keres (9...a5) variation1650.0%43.8%
D49QGD semi-Slav, Meran, Rellstab attack1637.5%62.5%
D51QGD, Capablanca anti-Cambridge Springs variation1662.5%68.8%
B40Sicilian, Pin variation (Sicilian counter-attack)1540.0%73.3%
C12French, MacCutcheon, advance variation1526.7%20.0%
C40QP counter-gambit (elephant gambit)1560.0%63.3%
C45Scotch, Tartakower variation1540.0%46.7%
C49Four knights, Janowski variation1540.0%60.0%
C67Ruy Lopez, Berlin defence, Zukertort variation1553.3%60.0%
C70Ruy Lopez, Alapin's defence deferred1533.3%76.7%
D45QGD semi-Slav, Rubinstein (anti-Meran) system1533.3%43.3%
D69QGD, Orthodox defence, classical, 13.de1553.3%53.3%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc1526.7%73.3%
D83Gruenfeld, Gruenfeld gambit, Botvinnik variation1573.3%63.3%
E23Nimzo-Indian, Spielmann, Karlsbad variation1540.0%40.0%
A47Queen's Indian, Marienbad system, Berg variation1457.1%57.1%
A61Benoni, fianchetto variation1414.3%78.6%
B09Pirc, Austrian attack, Ljubojevic variation1442.9%50.0%
B13Caro-Kann, Panov-Botvinnik, Herzog defence1435.7%46.4%
B21Sicilian, Andreaschek gambit1442.9%57.1%
C13French, Albin-Alekhine-Chatard attack, Maroczy variation1428.6%64.3%
C27Vienna, Alekhine variation1442.9%50.0%
C30KGD, Norwalde variation147.1%82.1%
C33KGA, Keres (Mason-Steinitz) gambit1450.0%32.1%
C33KGA, bishop's gambit, Ruy Lopez defence1442.9%50.0%
C44Scotch, Lolli variation1435.7%53.6%
C65Ruy Lopez, Berlin defence, Duras variation1435.7%53.6%
C65Ruy Lopez, Berlin defence, Mortimer variation1464.3%32.1%
C66Ruy Lopez, closed Berlin defence, Bernstein variation1435.7%53.6%
C67Ruy Lopez, open Berlin defence, Showalter variation1428.6%42.9%
D33QGD, Tarrasch, Schlechter-Rubinstein system1435.7%53.6%
D64QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation1421.4%46.4%
D98Gruenfeld, Russian, Keres variation1435.7%46.4%
E03Catalan, open, Alekhine variation1421.4%39.3%
A01Nimzovich-Larsen attack, Dutch variation1330.8%46.2%
A45Canard opening1338.5%26.9%
A52Budapest, Alekhine variation1323.1%65.4%
A83Dutch, Staunton gambit, Lasker variation1353.8%42.3%
B05Alekhine's defence, modern, Panov variation1323.1%57.7%
B88Sicilian, Sozin, Fischer variation1346.2%53.8%
C11French, Henneberger variation1338.5%50.0%
C37KGA, King's knight's gambit1369.2%65.4%
C47Four knights, Scotch variation1315.4%61.5%
D64QGD, Orthodox defence, Rubinstein attack, Wolf variation1346.2%46.2%
E11Bogo-Indian defence, Monticelli trap1346.2%46.2%
E77King's Indian, Four pawns attack, 6.Be21353.8%50.0%
A82Dutch, Balogh defence1233.3%83.3%
B03Alekhine's defence, four pawns attack, 6...Nc61225.0%45.8%
C20KP, Lopez opening1233.3%33.3%
C32KGD, Falkbeer, 5.de1241.7%37.5%
C38KGA, Philidor gambit128.3%29.2%
C41Philidor, Hanham, Krause variation1258.3%37.5%
C42Petrov, classical attack, Berger variation1275.0%54.2%
C55Two knights, Max Lange attack, Steinitz variation1241.7%62.5%
C58Two knights defence, Yankovich variation1241.7%20.8%
C68Ruy Lopez, exchange, Romanovsky variation1233.3%50.0%
C79Ruy Lopez, Steinitz defence deferred, Rubinstein variation1241.7%54.2%
D22QGA, Alekhine defence, Alatortsev variation1250.0%41.7%
D50QGD, Semi-Tarrasch1225.0%54.2%
D50QGD, Semi-Tarrasch, Primitive Pillsbury variation1241.7%54.2%
D97Gruenfeld, Russian, Levenfish variation1225.0%70.8%
E36Nimzo-Indian, classical, Botvinnik variation1241.7%62.5%
A22English, Bellon gambit1136.4%63.6%
B13Caro-Kann, Panov-Botvinnik, Gunderam attack1118.2%54.5%
B15Caro-Kann, Rasa-Studier gambit119.1%31.8%
B20Sicilian, wing gambit, Carlsbad variation1136.4%45.5%
B64Sicilian, Richter-Rauzer, Rauzer attack, Geller variation1136.4%63.6%
C00French, Reversed Philidor formation1136.4%63.6%
C13French, classical, Anderssen variation1127.3%40.9%
C25Vienna, Pierce gambit1145.5%59.1%
C30KGD, Keene's defence1154.5%63.6%
C34King's knight's gambit1136.4%27.3%
C39KGA, Kieseritsky, Neumann defence1163.6%68.2%
C40Latvian, Fraser defence1118.2%54.5%
C53Giuoco Piano, LaBourdonnais variation1127.3%59.1%
C57Two knights defence1118.2%45.5%
C79Ruy Lopez, Steinitz defence deferred, Lipnitsky variation1172.7%54.5%
C80Ruy Lopez, open, Tartakower variation1154.5%45.5%
D45QGD semi-Slav, stonewall defence1154.5%54.5%
D65QGD, Orthodox defence, Rubinstein attack, main line1154.5%72.7%
D99Gruenfeld defence, Smyslov, Yugoslav variation1127.3%50.0%
E60King's Indian, 3.g3, counterthrust variation1127.3%31.8%
E83King's Indian, Saemisch, Ruban variation1136.4%45.5%
A21English, Keres variation1030.0%45.0%
A45Queen's pawn, Bronstein gambit1030.0%55.0%
B03Alekhine's defence, Balogh variation1030.0%75.0%
B18Caro-Kann, classical, Maroczy attack1020.0%40.0%
B57Sicilian, Magnus Smith trap1050.0%35.0%
B79Sicilian, dragon, Yugoslav attack, 12.h41030.0%65.0%
C14French, classical, Tarrasch variation1010.0%55.0%
C26Vienna, Mengarini variation1060.0%40.0%
C33KGA, bishop's gambit, Bogolyubov variation1030.0%25.0%
C40Greco defence1030.0%45.0%
C57Two knights defence, Fritz variation1060.0%40.0%
C80Ruy Lopez, open, Friess attack1020.0%60.0%
C80Ruy Lopez, open, Riga variation1050.0%65.0%
C81Ruy Lopez, open, Howell attack, Ekstroem variation1040.0%60.0%
D31QGD, semi-Slav, Junge variation1030.0%35.0%
D51QGD, Manhattan variation1040.0%70.0%
D57QGD, Lasker defence, Bernstein variation1070.0%45.0%
E72King's Indian, Pomar system1030.0%55.0%
A42Modern defence, Averbakh system, Randspringer variation90.0%77.8%
A54Old Indian, Dus-Khotimirsky variation922.2%44.4%
A84Dutch, Staunton gambit deferred955.6%27.8%
B02Alekhine's defence, Steiner variation944.4%55.6%
B73Sicilian, dragon, classical, Zollner gambit944.4%44.4%
C00French, Steinitz attack911.1%27.8%
C13French, classical, Vistaneckis (Nimzovich) variation90.0%66.7%
C14French, classical, Pollock variation933.3%38.9%
C22Centre game, Hall variation944.4%44.4%
C23Bishop's opening, Philidor variation944.4%55.6%
C37KGA, Muzio gambit944.4%33.3%
C37KGA, Quaade gambit933.3%27.8%
C58Two knights defence, Paoli variation933.3%72.2%
D31QGD, semi-Slav, Koomen variation955.6%38.9%
D33QGD, Tarrasch, Wagner variation922.2%66.7%
D40QGD, Semi-Tarrasch, symmetrical variation944.4%55.6%
D48QGD semi-Slav, Meran, Pirc variation955.6%72.2%
A58Benko gambit, Nd2 variation837.5%56.3%
B00Lemming defence837.5%56.3%
B01Scandinavian, Mieses-Kotrvc gambit862.5%43.8%
B03Alekhine's defence, exchange, Karpov variation850.0%50.0%
B74Sicilian, dragon, classical, Spielmann variation837.5%56.3%
C13French, classical, Anderssen-Richter variation825.0%50.0%
C13French, classical, Frankfurt variation837.5%81.3%
C17French, Winawer, advance, Rauzer variation837.5%68.8%
C29Vienna gambit, Kaufmann variation837.5%68.8%
C30KGD, Mafia defence837.5%68.8%
C31KGD, Falkbeer, 4.d3862.5%68.8%
C37KGA, Rosentreter gambit875.0%37.5%
C38KGA, Hanstein gambit837.5%43.8%
C39KGA, Kieseritsky, Paulsen defence825.0%37.5%
C41Philidor, Philidor counter-gambit837.5%56.3%
C44Konstantinopolsky opening850.0%62.5%
C44Scotch, Goering gambit, Bardeleben variation837.5%43.8%
C48Four knights, Bardeleben variation850.0%50.0%
C55Two knights, Max Lange attack, Marshall variation825.0%62.5%
C57Two knights defence, Fegatello attack, Leonhardt variation825.0%50.0%
D41QGD, Semi-Tarrasch, Kmoch variation875.0%50.0%
D89Gruenfeld, exchange, Sokolsky variation850.0%37.5%
E79King's Indian, Four pawns attack, main line825.0%62.5%
A51Budapest defence declined742.9%64.3%
B01Scandinavian, Kiel variation728.6%85.7%
B02Alekhine's defence, Brooklyn defence714.3%35.7%
B02Alekhine's defence, Kmoch variation714.3%21.4%
B03Alekhine's defence, four pawns attack, Ilyin-Genevsky var.742.9%21.4%
B05Alekhine's defence, modern, Alekhine variation742.9%50.0%
C02French, advance, Nimzovich variation742.9%50.0%
C10French, Rubinstein, Capablanca line771.4%50.0%
C21Danish gambit, Schlechter defence714.3%50.0%
C29Vienna gambit, Bardeleben variation742.9%35.7%
C33KGA, bishop's gambit, Maurian defence771.4%50.0%
C40Latvian gambit, 3.Bc4785.7%42.9%
C41Philidor, Nimzovich, Klein variation785.7%57.1%
C41Philidor, Nimzovich, Sozin variation742.9%50.0%
C42Petrov, classical attack, Krause variation757.1%28.6%
D31QGD, Alapin variation742.9%64.3%
D66QGD, Orthodox defence, Bd3 line, fianchetto variation742.9%78.6%
E08Catalan, closed, Spassky gambit728.6%57.1%
E23Nimzo-Indian, Spielmann, San Remo variation757.1%71.4%
A00Durkin's attack650.0%41.7%
A00Grob, spike attack633.3%33.3%
A59Benko gambit, 7.e4633.3%50.0%
A81Dutch, Leningrad, Karlsbad variation650.0%58.3%
A82Dutch, Staunton gambit, Tartakower variation616.7%41.7%
C00French, Alapin variation650.0%75.0%
C14French, classical, Stahlberg variation650.0%58.3%
C20KP, Napoleon's opening633.3%50.0%
C29Vienna gambit, Paulsen attack683.3%58.3%
C29Vienna gambit, Steinitz variation633.3%33.3%
C31KGD, Falkbeer, 3...e4683.3%58.3%
C31KGD, Falkbeer, Tartakower variation650.0%58.3%
C32KGD, Falkbeer, main line, 7...Bf5616.7%91.7%
C41Philidor, Nimzovich, Sokolsky variation666.7%66.7%
C41Philidor, Philidor counter-gambit, Zukertort variation650.0%75.0%
C43Petrov, Urusov gambit633.3%83.3%
C44Scotch gambit, Anderssen (Paulsen, Suhle) counter-attack666.7%33.3%
C44Scotch, Relfsson gambit ('MacLopez')666.7%66.7%
C48Four knights, Marshall variation616.7%41.7%
C52Evans gambit, Lasker defence616.7%25.0%
C52Evans gambit, Levenfish variation616.7%25.0%
C52Evans gambit, Waller attack60.0%100.0%
C57Two knights defence, Fritz, Gruber variation633.3%50.0%
C58Two knights defence, Kieseritsky variation633.3%66.7%
C70Ruy Lopez, Graz variation6100.0%50.0%
C82Ruy Lopez, open, Motzko attack, Nenarokov variation650.0%75.0%
D32QGD, Tarrasch defence, Marshall gambit633.3%50.0%
D55QGD, Neo-orthodox variation633.3%50.0%
E20Nimzo-Indian, Mikenas attack666.7%50.0%
A02Bird, Hobbs gambit560.0%70.0%
A51Budapest, Fajarowicz, Steiner variation560.0%50.0%
A66Benoni, pawn storm variation540.0%60.0%
B03Alekhine's defence, four pawns attack, Planinc variation520.0%30.0%
B12de Bruycker defence520.0%70.0%
C00Lengfellner system520.0%90.0%
C24Bishop's opening, Ponziani gambit520.0%10.0%
C27Boden-Kieseritsky gambit, Lichtenhein defence560.0%30.0%
C31KGD, Falkbeer, Nimzovich variation560.0%70.0%
C31KGD, Falkbeer, Rubinstein variation520.0%70.0%
C37KGA, Salvio gambit, Anderssen counter-attack50.0%60.0%
C39KGA, Kieseritsky, long whip (Stockwhip, classical) defence540.0%40.0%
C42Petrov, French attack560.0%70.0%
C46Three knights, Steinitz, Rosenthal variation540.0%40.0%
C56Two knights defence, Canal variation540.0%40.0%
C61Ruy Lopez, Bird's defence, Paulsen variation540.0%60.0%
C62Ruy Lopez, old Steinitz defence, Nimzovich attack520.0%50.0%
C67Ruy Lopez, Berlin defence, Trifunovic variation520.0%90.0%
C82Ruy Lopez, open, 9.c350.0%80.0%
D08QGD, Albin counter-gambit, Balogh variation520.0%90.0%
D32QGD, Tarrasch defence, Tarrasch gambit540.0%20.0%
D43QGD semi-Slav, Hastings variation520.0%90.0%
D50QGD, Been-Koomen variation540.0%20.0%
E78King's Indian, Four pawns attack, with Be2 and Nf3540.0%60.0%
A00Global opening425.0%62.5%
A00Grob, Romford counter-gambit425.0%62.5%
A00Ware (Meadow Hay) opening425.0%62.5%
A03Mujannah opening450.0%25.0%
A70Benoni, classical without 9.O-O425.0%37.5%
A81Dutch, Leningrad, Basman system450.0%75.0%
A86Dutch, Hort-Antoshin system475.0%62.5%
B00Carr's defence450.0%50.0%
B00KP, Colorado counter425.0%62.5%
B01Scandinavian defence, Gruenfeld variation40.0%75.0%
B05Alekhine's defence, modern, Vitolins attack450.0%50.0%
B71Sicilian, dragon, Levenfish; Flohr variation450.0%50.0%
C12French, MacCutcheon, Duras variation425.0%62.5%
C14French, classical variation425.0%12.5%
C21Danish gambit, Collijn defence475.0%37.5%
C21Halasz gambit450.0%50.0%
C22Centre game, Charousek variation450.0%50.0%
C30KGD, classical, Marshall attack4100.0%50.0%
C32KGD, Falkbeer, Reti variation450.0%50.0%
C33KGA, bishop's gambit, Cozio (Morphy) defence450.0%75.0%
C33KGA, bishop's gambit, Lopez-Gianutio counter-gambit425.0%62.5%
C33KGA, bishop's gambit, Paulsen attack450.0%50.0%
C37KGA, Muzio gambit, Brentano defence425.0%62.5%
C41Philidor, Hanham, Delmar variation450.0%75.0%
C43Petrov, modern attack, Bardeleben variation425.0%62.5%
C45Scotch, Ghulam Kassim variation4100.0%50.0%
C51Evans gambit450.0%75.0%
C59Two knights defence, Goering variation425.0%12.5%
C64Ruy Lopez, classical defence, Charousek variation450.0%75.0%
C66Ruy Lopez, closed Berlin defence, Chigorin variation40.0%50.0%
C78Ruy Lopez, Wing attack40.0%50.0%
D08QGD, Albin counter-gambit, Janowski variation425.0%62.5%
D18QGD Slav, Dutch, Lasker variation425.0%87.5%
D21QGA, Ericson variation40.0%25.0%
D51QGD, Alekhine variation40.0%50.0%
D53QGD, Lasker variation425.0%87.5%
E08Catalan, closed, Zagoryansky variation475.0%37.5%
E21Nimzo-Indian, three knights, Korchnoi variation40.0%50.0%
E60King's Indian, Danube gambit450.0%75.0%
A00Anti-Borg (Desprez) opening30.0%33.3%
A00Lasker simul special333.3%50.0%
A43Hawk (Habichd) defence366.7%33.3%
A46Queen's pawn, Torre attack, Wagner gambit333.3%83.3%
A59Benko gambit, Ne2 variation30.0%33.3%
A83Dutch, Staunton gambit, Alekhine variation333.3%50.0%
B13Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation366.7%66.7%
B15Caro-Kann, Gurgenidze counter-attack366.7%66.7%
B85Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6366.7%66.7%
C01French, exchange, Bogolyubov variation333.3%50.0%
C19French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation30.0%33.3%
C23Bishop's opening, Calabrese counter-gambit, Jaenisch variation30.0%100.0%
C32KGD, Falkbeer, Keres variation333.3%83.3%
C33KGA, Breyer gambit333.3%50.0%
C33KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit333.3%50.0%
C33KGA, bishop's gambit, Boden defence333.3%16.7%
C33KGA, bishop's gambit, Gifford variation333.3%50.0%
C37KGA, Cochrane gambit333.3%50.0%
C40QP counter-gambit, Maroczy gambit366.7%66.7%
C41Philidor, Philidor counter-gambit, del Rio attack30.0%66.7%
C46Four knights, Schultze-Mueller gambit30.0%33.3%
C48Four knights, Spielmann variation366.7%33.3%
C49Four knights, Svenonius variation366.7%66.7%
C50Rousseau gambit333.3%50.0%
C53Giuoco Piano, Mestel variation333.3%83.3%
C57Two knights defence, Fegatello attack, Polerio defence30.0%100.0%
C58Two knights defence, Blackburne variation30.0%66.7%
C80Ruy Lopez, open, Berger variation366.7%33.3%
C80Ruy Lopez, open, Zukertort variation333.3%50.0%
C89Ruy Lopez, Marshall, Herman Steiner variation333.3%83.3%
C96Ruy Lopez, closed, Rossolimo defence30.0%33.3%
D00Queen's pawn, Anti-Veresov366.7%33.3%
D68QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)366.7%33.3%
D86Gruenfeld, exchange, Larsen variation30.0%66.7%
E37Nimzo-Indian, classical, San Remo variation30.0%66.7%
E57Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd333.3%16.7%
A02Bird's opening, Swiss gambit250.0%75.0%
A04Reti, Herrstroem gambit20.0%100.0%
A04Reti, Wade defence20.0%50.0%
A10English, Jaenisch gambit20.0%100.0%
A25English, closed, 5.Rb1 Taimanov variation20.0%50.0%
A83Dutch, Staunton gambit, Nimzovich variation20.0%0.0%
B00Corn stalk defence250.0%25.0%
B01Scandinavian, Richter variation250.0%75.0%
B02Alekhine's defence, Krejcik variation250.0%25.0%
B06Norwegian defence250.0%25.0%
B07Pirc, Chinese variation250.0%25.0%
B10Caro-Kann, Hillbilly attack20.0%50.0%
B37Sicilian, accelerated fianchetto, Simagin variation2100.0%50.0%
C10French, Marshall variation250.0%25.0%
C12French, MacCutcheon, Tartakower variation20.0%100.0%
C13French, Albin-Alekhine-Chatard attack, Teichmann variation250.0%75.0%
C15French, Winawer, Alekhine gambit20.0%50.0%
C20KP, King's head opening250.0%25.0%
C23Bishop's opening, Lopez gambit20.0%0.0%
C23Bishop's opening, MacDonnell double gambit250.0%25.0%
C23Bishop's opening, Wing gambit250.0%75.0%
C29Vienna gambit, Wurzburger trap20.0%100.0%
C31KGD, Falkbeer, Milner-Barry variation20.0%50.0%
C32KGD, Falkbeer, Charousek gambit2100.0%50.0%
C34KGA, Gianutio counter-gambit2100.0%50.0%
C37KGA, Salvio gambit250.0%75.0%
C40King's knight opening20.0%50.0%
C41Philidor, Lopez counter-gambit20.0%50.0%
C41Philidor, Paulsen attack250.0%25.0%
C41Philidor, Steinitz variation20.0%0.0%
C42Petrov, classical attack, Tarrasch variation250.0%75.0%
C44Dresden opening20.0%0.0%
C44Scotch opening2100.0%50.0%
C45Scotch, Pulling counter-attack20.0%50.0%
C48Four knights, Rubinstein counter-gambit, 5.Be22100.0%50.0%
C49Four knights, symmetrical, Blake variation2100.0%50.0%
C51Evans counter-gambit250.0%75.0%
C51Evans gambit declined, Lange variation20.0%0.0%
C51Evans gambit, Fraser attack20.0%100.0%
C52Evans gambit, Alapin-Steinitz variation250.0%25.0%
C52Evans gambit, Leonhardt variation250.0%25.0%
C52Evans gambit, Sanders-Alapin variation20.0%100.0%
C55Giuoco piano20.0%50.0%
C60Ruy Lopez, Lucena defence20.0%50.0%
C64Ruy Lopez, classical defence, Zaitsev variation2100.0%50.0%
C77Ruy Lopez, Wormald attack, Gruenfeld variation2100.0%50.0%
C81Ruy Lopez, open, Howell attack, Adam variation20.0%0.0%
C83Ruy Lopez, open, Breslau variation250.0%75.0%
C84Ruy Lopez, closed, Basque gambit (North Spanish variation)250.0%25.0%
C89Ruy Lopez, Marshall, Kevitz variation2100.0%50.0%
D08QGD, Albin counter-gambit, Lasker trap20.0%50.0%
D19QGD Slav, Dutch, Saemisch variation250.0%25.0%
D50QGD, Canal (Venice) variation20.0%50.0%
E14Queen's Indian, Averbakh variation20.0%50.0%
E21Nimzo-Indian, three knights, Euwe variation2100.0%50.0%
E23Nimzo-Indian, Spielmann, Staahlberg variation20.0%100.0%
E77King's Indian, Four pawns attack, Florentine gambit2100.0%50.0%
A00Amar gambit10.0%0.0%
A00Amsterdam attack10.0%100.0%
A02Bird, From gambit, Lipke variation10.0%0.0%
A38English, symmetrical, main line with b31100.0%50.0%
A52Budapest, Alekhine variation, Balogh gambit1100.0%50.0%
A56Vulture defence1100.0%50.0%
A95Dutch, stonewall: Chekhover variation1100.0%50.0%
B01Scandinavian, Anderssen counter-attack orthodox attack10.0%100.0%
B01Scandinavian, Anderssen counter-attack, Collijn variation10.0%100.0%
B12Caro-Masi defence1100.0%50.0%
B40Sicilian, Marshall variation10.0%100.0%
B62Sicilian, Richter-Rauzer, Richter attack10.0%100.0%
C11French, Steinitz, Bradford attack1100.0%50.0%
C12French, MacCutcheon, Bogolyubov variation1100.0%50.0%
C15French, Winawer, Kondratiyev variation1100.0%50.0%
C23Bishop's opening, Lisitsyn variation10.0%0.0%
C25Vienna, Steinitz gambit10.0%0.0%
C27Vienna, `Frankenstein-Dracula' variation10.0%100.0%
C30KGD, classical counter-gambit10.0%0.0%
C30KGD, classical, Reti variation1100.0%50.0%
C30KGD, classical, Svenonius variation1100.0%50.0%
C33KGA, Carrera (Basman) gambit10.0%100.0%
C33KGA, bishop's gambit, classical defence10.0%0.0%
C33King's gambit accepted10.0%0.0%
C37KGA, Muzio gambit, From defence1100.0%50.0%
C37KGA, Silberschmidt gambit1100.0%50.0%
C39KGA, Allgaier, Thorold variation10.0%0.0%
C39KGA, Allgaier, Walker attack10.0%0.0%
C39KGA, Kieseritsky, Brentano (Campbell) defence10.0%100.0%
C39KGA, Kieseritsky, Brentano defence10.0%100.0%
C43Petrov, modern attack, Steinitz variation1100.0%50.0%
C44Ponziani counter-gambit, Cordel variation10.0%0.0%
C44Scotch gambit, Hanneken variation10.0%100.0%
C45Scotch, Paulsen attack10.0%100.0%
C46Three knights, Winawer defence (Gothic defence)10.0%100.0%
C49Four knights, Gunsberg counter-attack1100.0%50.0%
C51Evans gambit, Goering attack10.0%100.0%
C54Giuoco Piano, Moeller, bayonet attack10.0%100.0%
C54Giuoco Piano, Therkatz-Herzog variation10.0%0.0%
C55Two knights defence, Keidanz variation1100.0%50.0%
C55Two knights, Max Lange attack, Loman defence10.0%100.0%
C65Ruy Lopez, Berlin defence, Anderssen variation1100.0%50.0%
C67Ruy Lopez, Berlin defence, Pillsbury variation10.0%0.0%
C80Ruy Lopez, open, Harksen gambit10.0%100.0%
C89Ruy Lopez, Marshall, main line, Spassky variation10.0%0.0%
C95Ruy Lopez, closed, Breyer, 10.d410.0%0.0%
D26QGA, classical, Furman variation10.0%0.0%
D40QGD, Semi-Tarrasch, Levenfish variation10.0%100.0%
D44QGD semi-Slav, anti-Meran, Alatortsev system1100.0%50.0%
D50QGD, Semi-Tarrasch, Krause variation1100.0%50.0%
D63QGD, Orthodox defence, Capablanca variation1100.0%50.0%
D80Gruenfeld, Lundin variation10.0%0.0%
E87King's Indian, Saemisch, orthodox, Bronstein variation1100.0%50.0%

Created in 2005-2013 by CCRL team
Last games added on February 17, 2018