CCRL 40/4
Downloads and Statistics
July 21, 2018
Testing summary:
Total: 1'782'272 games
played by 2'093 programs
23778 CPU days (X2 4600+)

White wins: 696'289 (39.1%)
Black wins: 564'489 (31.7%)
Draws: 521'494 (29.3%)
White score: 53.7%

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
A51Budapest, Fajarowicz, Steiner variation3100.0%50.0%
C52Evans gambit, Leonhardt variation2100.0%50.0%
D20QGA, Schwartz defence2100.0%50.0%
C59Two knights defence, Knorre variation1100.0%50.0%
C42Petrov, classical attack, Krause variation1100.0%50.0%
C55Two knights defence, Keidanz variation1100.0%50.0%
C55Giuoco piano1100.0%50.0%
C49Four knights, Gunsberg counter-attack1100.0%50.0%
C25Vienna, Steinitz gambit, Zukertort defence1100.0%50.0%
D12QGD Slav, Landau variation1100.0%50.0%
C23Bishop's opening, Lisitsyn variation1100.0%50.0%
C32KGD, Falkbeer, Keres variation1100.0%50.0%
C44Scotch gambit, Anderssen (Paulsen, Suhle) counter-attack1100.0%50.0%
C54Giuoco Piano, Greco variation1100.0%50.0%
C89Ruy Lopez, Marshall, main line, Spassky variation1100.0%50.0%
D33QGD, Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation1100.0%50.0%
C37KGA, Lolli gambit (wild Muzio gambit)1100.0%50.0%
C15French, Winawer, Alekhine gambit, Alatortsev variation1100.0%50.0%
C64Ruy Lopez, classical defence, Boden variation1100.0%50.0%
C32KGD, Falkbeer, main line, 7...Bf5977.8%38.9%
C49Four knights, symmetrical, Blake variation475.0%62.5%
D68QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)771.4%64.3%
C67Ruy Lopez, Berlin defence, Winawer attack1070.0%45.0%
C51Evans gambit, 5...Be7966.7%33.3%
C80Ruy Lopez, open, Berger variation666.7%33.3%
C67Ruy Lopez, Berlin defence, Pillsbury variation366.7%33.3%
C30KGD, classical, Heath variation366.7%33.3%
D50QGD, Semi-Tarrasch, Krause variation366.7%33.3%
C12French, MacCutcheon, Duras variation366.7%66.7%
D83Gruenfeld, Gruenfeld gambit, Botvinnik variation2365.2%41.3%
C80Ruy Lopez, open, Bernstein variation, Karpov gambit1163.6%68.2%
D41QGD, Semi-Tarrasch, Kmoch variation3560.0%58.6%
C67Ruy Lopez, Berlin defence, Zukertort variation1560.0%43.3%
C46Three knights, Steinitz, Rosenthal variation1560.0%56.7%
C44Ponziani, Romanishin variation1060.0%60.0%
C45Scotch, Ghulam Kassim variation560.0%70.0%
D31QGD, semi-Slav, Koomen variation560.0%50.0%
D26QGA, classical, Furman variation560.0%50.0%
C32KGD, Falkbeer, Reti variation560.0%50.0%
D69QGD, Orthodox defence, classical, 13.de2458.3%50.0%
B45Sicilian, Taimanov, American attack2157.1%42.9%
D55QGD, Neo-orthodox variation1457.1%64.3%
D67QGD, Orthodox defence, Bd3 line, Janowski variation757.1%42.9%
A66Benoni, pawn storm variation757.1%71.4%
C17French, Winawer, advance, Rauzer variation955.6%50.0%
C12French, MacCutcheon, Grigoriev variation955.6%50.0%
C39KGA, Kieseritsky, Salvio (Rosenthal) defence2055.0%52.5%
C45Scotch, Blackburne attack2254.5%54.5%
E72King's Indian, Pomar system1553.3%60.0%
D50QGD, Semi-Tarrasch3452.9%61.8%
C81Ruy Lopez, open, Howell attack, Ekstroem variation1752.9%61.8%
E51Nimzo-Indian, 4.e3, Ragozin variation5450.0%58.3%
B88Sicilian, Sozin, Fischer variation4250.0%51.2%
B15Caro-Kann, Alekhine gambit3250.0%53.1%
C53Giuoco Piano, Anderssen variation2250.0%52.3%
C39KGA, Kieseritsky, Rice gambit2250.0%25.0%
C19French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation1450.0%53.6%
C33KGA, bishop's gambit, Ruy Lopez defence1050.0%45.0%
C82Ruy Lopez, open, Motzko attack, Nenarokov variation850.0%37.5%
B18Caro-Kann, classical, Maroczy attack850.0%62.5%
B05Alekhine's defence, modern, Vitolins attack850.0%25.0%
C31KGD, Falkbeer, Morphy gambit850.0%62.5%
C14French, classical, Tarrasch variation850.0%62.5%
C80Ruy Lopez, open, Friess attack850.0%37.5%
C67Ruy Lopez, Berlin defence, Rio de Janeiro variation850.0%75.0%
C41Philidor, Hanham, Delmar variation850.0%75.0%
E23Nimzo-Indian, Spielmann, San Remo variation650.0%58.3%
C31KGD, Falkbeer, Rubinstein variation650.0%58.3%
B05Alekhine's defence, modern, Alekhine variation650.0%58.3%
C52Evans gambit, Alapin-Steinitz variation450.0%75.0%
C58Two knights defence, Blackburne variation450.0%75.0%
C55Two knights, Max Lange attack, Marshall variation450.0%50.0%
A66Benoni, Mikenas variation450.0%50.0%
C12French, MacCutcheon, Tartakower variation450.0%50.0%
C14French, classical, Stahlberg variation450.0%75.0%
E08Catalan, closed, Zagoryansky variation450.0%75.0%
C77Ruy Lopez, Wormald attack, Gruenfeld variation450.0%75.0%
C52Evans gambit, Levenfish variation250.0%25.0%
A46Doery defence250.0%25.0%
C30KGD, classical, Hanham variation250.0%25.0%
C64Ruy Lopez, classical defence, Zaitsev variation250.0%75.0%
B03Alekhine's defence, four pawns attack, Tartakower variation250.0%75.0%
D00Blackmar-Diemer, Lemberg counter-gambit250.0%75.0%
C33KGA, Lopez-Gianutio counter-gambit, Hein variation250.0%75.0%
C55Two knights, Max Lange attack, Krause variation250.0%75.0%
C37KGA, MacDonnell gambit250.0%75.0%
C23Bishop's opening, Calabrese counter-gambit250.0%25.0%
D08QGD, Albin counter-gambit, Krenosz variation250.0%75.0%
C33KGA, bishop's gambit, McDonnell attack250.0%75.0%
B01Scandinavian, Anderssen counter-attack250.0%75.0%
B20Sicilian, wing gambit, Santasiere variation250.0%75.0%
B02Alekhine's defence, Two pawns' attack, Mikenas variation250.0%75.0%
C53Giuoco Piano, Mestel variation250.0%75.0%
C33KGA, bishop's gambit, Bryan counter-gambit250.0%25.0%
B06Norwegian defence250.0%75.0%
D99Gruenfeld defence, Smyslov, Yugoslav variation5149.0%59.8%
C90Ruy Lopez, closed, Lutikov variation2948.3%51.7%
D67QGD, Orthodox defence, Bd3 line, Alekhine variation11448.2%63.6%
C56Two knights defence, Canal variation2748.1%42.6%
C70Ruy Lopez, fianchetto defence deferred2748.1%61.1%
D52QGD, Cambridge Springs defence9047.8%49.4%
C66Ruy Lopez, closed Berlin defence, Showalter variation6747.8%61.2%
D26QGA, classical, Steinitz variation14946.3%59.4%
D59QGD, Tartakower variation20446.1%41.2%
B72Sicilian, dragon, classical, Grigoriev variation1145.5%68.2%
D22QGA, Alekhine defence, Alatortsev variation1145.5%68.2%
E79King's Indian, Four pawns attack, main line12845.3%57.0%
B13Caro-Kann, Panov-Botvinnik, Czerniak variation4045.0%60.0%
C78Ruy Lopez, Wing attack2045.0%62.5%
D63QGD, Orthodox defence, Pillsbury attack2744.4%40.7%
B21Sicilian, Andreaschek gambit1844.4%61.1%
C79Ruy Lopez, Steinitz defence deferred, Lipnitsky variation1844.4%50.0%
C95Ruy Lopez, closed, Breyer, Simagin variation7944.3%62.7%
D83Gruenfeld, Gruenfeld gambit, Capablanca variation11344.2%57.5%
C49Four knights, Nimzovich (Paulsen) variation7744.2%53.2%
C54Giuoco Piano, Moeller (Therkatz) attack2544.0%38.0%
C15French, Winawer, Kondratiyev variation1442.9%64.3%
A81Dutch, Leningrad, Karlsbad variation742.9%64.3%
C62Ruy Lopez, old Steinitz defence, semi-Duras variation742.9%78.6%
C57Two knights defence, Pincus variation742.9%64.3%
D34QGD, Tarrasch, Bogolyubov variation742.9%21.4%
C49Four knights, double Ruy Lopez34642.8%57.2%
D67QGD, Orthodox defence, Bd3 line6642.4%51.5%
C49Four knights, symmetrical, Capablanca variation3342.4%57.6%
D62QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)28142.3%50.4%
C67Ruy Lopez, Berlin defence, Rosenthal variation4542.2%56.7%
C48Four knights, Rubinstein counter-gambit, exchange variation13342.1%48.9%
E30Nimzo-Indian, Leningrad, ...b5 gambit3842.1%42.1%
C53Giuoco Piano, LaBourdonnais variation1942.1%63.2%
E25Nimzo-Indian, Saemisch, Romanovsky variation17741.8%48.6%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc347441.8%54.0%
D64QGD, Orthodox defence, Rubinstein attack (with Rc1)18741.7%57.8%
E03Catalan, open, 5.Qa4 Nbd7, 6.Qxc43641.7%56.9%
B44Sicilian, Szen variation, Dely-Kasparov gambit2441.7%54.2%
E37Nimzo-Indian, classical, San Remo variation1241.7%54.2%
C12French, MacCutcheon, advance variation1241.7%54.2%
D88Gruenfeld, Spassky variation, main line, 10...cd, 11.cd34041.5%51.9%
C66Ruy Lopez, closed Berlin defence, Wolf variation13141.2%55.7%
C41Philidor, Nimzovich, Larobok variation5141.2%34.3%
E78King's Indian, Four pawns attack, with Be2 and Nf33441.2%50.0%
D80Gruenfeld defence87041.1%53.4%
E15Queen's Indian, 4.g3190241.1%55.2%
B02Alekhine's defence, Two pawns' (Lasker's) attack16240.7%46.9%
D28QGA, classical, 7.Qe214040.7%56.1%
D49QGD semi-Slav, Meran, Rabinovich variation11340.7%61.1%
D70Neo-Gruenfeld (Kemeri) defence21940.6%55.5%
C66Ruy Lopez, Berlin defence, 4.O-O, d611140.5%54.5%
C89Ruy Lopez, Marshall, main line, 14...Qh3103440.5%48.3%
D73Neo-Gruenfeld, 5.Nf3126640.3%53.2%
E02Catalan, open, 5.Qa410240.2%59.3%
D49QGD semi-Slav, Meran, Sozin variation42140.1%49.0%
C45Scotch, Schmidt variation103240.0%50.3%
E29Nimzo-Indian, Saemisch, Capablanca variation13040.0%50.8%
D01Richter-Veresov attack, Richter variation7040.0%42.9%
D40QGD, Semi-Tarrasch defence, Pillsbury variation5040.0%52.0%
D64QGD, Orthodox defence, Rubinstein attack, Wolf variation3540.0%54.3%
D94Gruenfeld with e3 Bd33040.0%60.0%
C33KGA, Breyer gambit2040.0%30.0%
B01Scandinavian defence, Gruenfeld variation1540.0%53.3%
C20KP, Napoleon's opening1540.0%53.3%
C45Scotch, Blumenfeld attack1040.0%20.0%
C52Evans gambit, Lasker defence1040.0%50.0%
C58Two knights defence, Yankovich variation540.0%40.0%
B03Alekhine's defence, exchange, Karpov variation540.0%40.0%
C41Philidor, Philidor counter-gambit, del Rio attack540.0%60.0%
D30QGD, Spielmann variation540.0%80.0%
C25Vienna, Steinitz gambit540.0%60.0%
A04Reti, Wade defence540.0%80.0%
C39KGA, Kieseritsky, Paulsen defence540.0%40.0%
E09Catalan, closed, Sokolsky variation540.0%60.0%
C49Four knights, symmetrical, Tarrasch variation540.0%60.0%
D14QGD Slav, exchange, Trifunovic variation22839.9%51.5%
B85Sicilian, Scheveningen, classical main line71839.8%54.2%
E92King's Indian, Andersson variation49039.8%54.2%
B59Sicilian, Boleslavsky variation, 7.Nb316139.8%54.0%
D71Neo-Gruenfeld, 5.cd23739.7%55.7%
C42Petrov, classical attack, Mason variation9639.6%63.5%
D87Gruenfeld, exchange, Seville variation19539.5%64.9%
C66Ruy Lopez, Berlin defence, hedgehog variation16539.4%53.0%
D08QGD, Albin counter-gambit, Alapin variation3339.4%59.1%
C80Ruy Lopez, open, Schlechter defence2339.1%32.6%
E53Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd713339.1%54.9%
D55QGD, Petrosian variation47139.1%52.9%
D34QGD, Tarrasch, Reti variation6439.1%55.5%
A16English, Anglo-Gruenfeld, Smyslov defense7739.0%59.7%
C82Ruy Lopez, open, St. Petersburg variation28838.9%59.4%
C80Ruy Lopez, open (Tarrasch) defence12638.9%48.8%
C11French, Steinitz, Gledhill attack5438.9%52.8%
C51Evans gambit declined, Showalter variation1838.9%47.2%
C82Ruy Lopez, open, Motzko attack8538.8%52.4%
C96Ruy Lopez, closed, Keres (...Nd7) defence33038.8%60.9%
B85Sicilian, Scheveningen, classical25338.7%52.6%
C41Philidor, Nimzovich variation3138.7%54.8%
C11French, Henneberger variation3138.7%32.3%
D21QGA, Ericson variation3138.7%54.8%
B38Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3295738.7%57.2%
B14Caro-Kann, Panov-Botvinnik attack, 5...g647638.7%53.8%
C67Ruy Lopez, Berlin defence, Minckwitz variation5738.6%63.2%
D16QGD Slav, Soultanbeieff variation26238.5%56.7%
D30QGD, Vienna variation125238.5%53.0%
C83Ruy Lopez, open, classical defence19538.5%57.7%
C49Four knights, symmetrical, Maroczy system9138.5%53.3%
B12de Bruycker defence2638.5%50.0%
C29Vienna gambit, Kaufmann variation1338.5%65.4%
C80Ruy Lopez, open, Tartakower variation1338.5%57.7%
C51Evans gambit, Morphy attack1338.5%57.7%
B36Sicilian, accelerated fianchetto, Gurgenidze variation37538.4%53.9%
C74Ruy Lopez, modern Steinitz defence7338.4%57.5%
C44Ponziani, Steinitz variation11538.3%53.9%
C45Scotch, Horwitz attack3438.2%54.4%
C66Ruy Lopez, closed Berlin defence, Bernstein variation3438.2%45.6%
B73Sicilian, dragon, classical, 8.O-O24638.2%56.1%
B74Sicilian, dragon, classical, 9.Nb326738.2%49.8%
D64QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation11038.2%49.1%
B03Alekhine's defence, four pawns attack, fianchetto variation5538.2%62.7%
C81Ruy Lopez, open, Howell attack9738.1%58.2%
B72Sicilian, dragon, classical, Amsterdam variation6338.1%44.4%
C44Ponziani, Leonhardt variation6338.1%49.2%
C49Four knights, Janowski variation2138.1%38.1%
D32QGD, Tarrasch defence, Marshall gambit2138.1%52.4%
B60Sicilian, Richter-Rauzer, Bondarevsky variation2937.9%53.4%
C88Ruy Lopez, closed, Balla variation2937.9%63.8%
C14French, classical, Alapin variation9537.9%58.9%
C29Vienna gambit, Paulsen attack3737.8%56.8%
C60Ruy Lopez, Cozio defence, Paulsen variation3737.8%54.1%
D31QGD, Janowski variation21737.8%54.8%
D52QGD, Cambridge Springs defence, Capablanca variation4537.8%52.2%
C94Ruy Lopez, closed, Breyer defence12237.7%53.3%
C01French, exchange, Svenonius variation6937.7%56.5%
C41Philidor, Hanham variation8537.6%60.0%
D94Gruenfeld, Opovcensky variation21337.6%49.3%
B18Caro-Kann, classical, Flohr variation10437.5%59.1%
D53QGD, 4.Bg5 Be7, 5.e3 O-O3237.5%56.3%
E36Nimzo-Indian, classical, Botvinnik variation1637.5%56.3%
E21Nimzo-Indian, three knights, Euwe variation837.5%56.3%
D34QGD, Tarrasch, Prague variation, 9.Bg5127537.5%57.6%
D59QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd557437.5%51.7%
D93Gruenfeld with Bf4 e373537.4%52.6%
C50Hungarian defence13137.4%53.8%
C09French, Tarrasch, open variation, main line223037.4%56.0%
B53Sicilian, Chekhover variation108837.3%50.5%
D33QGD, Tarrasch, Folkestone (Swedish) variation6737.3%57.5%
A39English, symmetrical, main line with d4134937.2%55.0%
B55Sicilian, Prins variation, Venice attack12137.2%56.6%
E47Nimzo-Indian, 4.e3 O-O, 5.Bd390537.1%55.4%
C08French, Tarrasch, open, 4.ed ed380637.1%53.3%
D55QGD, Neo-orthodox variation, 7.Bxf632637.1%51.4%
C67Ruy Lopez, Berlin defence, Cordel variation4637.0%59.8%
D41QGD, Semi-Tarrasch with e336036.9%54.6%
E46Nimzo-Indian, 4.e3 O-O19836.9%51.3%
D42QGD, Semi-Tarrasch, 7.Bd370036.9%57.7%
B71Sicilian, dragon, Levenfish variation9536.8%46.8%
C60Ruy Lopez, Nuernberg variation1936.8%44.7%
C42Petrov, classical attack, Berger variation1936.8%55.3%
D60QGD, Orthodox defence, Botvinnik variation25036.8%52.8%
A52Budapest, Rubinstein variation84836.8%59.3%
D41QGD, Semi-Tarrasch, 5.cd101436.8%57.4%
E53Nimzo-Indian, 4.e3, main line with ...c5172736.8%52.4%
A17English, Queens Indian, Romanishin variation4936.7%46.9%
C07French, Tarrasch, Eliskases variation12836.7%50.4%
C57Two knights defence, Fegatello attack7936.7%46.2%
D85Gruenfeld, modern exchange variation819536.7%53.5%
D57QGD, Lasker defence, Bernstein variation3036.7%48.3%
D64QGD, Orthodox defence, Rubinstein attack, Karlsbad variation3036.7%41.7%
D79Neo-Gruenfeld, 6.O-O, main line98836.6%53.5%
C80Ruy Lopez, open, Bernstein variation98836.5%58.1%
D39QGD, Ragozin, Vienna variation156436.5%50.5%
E25Nimzo-Indian, Saemisch variation12636.5%53.2%
D95Gruenfeld with e3 & Qb37436.5%49.3%
D68QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)8536.5%58.2%
C47Four knights, Scotch, 4...exd479636.4%51.0%
A10English, Adorjan defence54136.4%51.7%
A25English, closed, Taimanov variation3336.4%45.5%
C31KGD, Falkbeer, Tartakower variation2236.4%72.7%
C10French, Rubinstein, Capablanca line2236.4%54.5%
B13Caro-Kann, Panov-Botvinnik, Gunderam attack1136.4%45.5%
A38English, symmetrical, main line with b31136.4%36.4%
B00Corn stalk defence1136.4%81.8%
C70Ruy Lopez, Graz variation1136.4%54.5%
D27QGA, classical, 6...a6554436.3%53.8%
A14English, Symmetrical, Keres defence90636.2%54.9%
D68QGD, Orthodox defence, classical variation14136.2%55.0%
D53QGD, 4.Bg5 Be773036.2%55.8%
B13Caro-Kann, Panov-Botvinnik, normal variation26036.2%48.8%
A14English, Neo-Catalan declined120936.1%53.3%
D85Gruenfeld, exchange variation312436.1%52.8%
B73Sicilian, dragon, classical, Richter variation21636.1%49.5%
B29Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit7236.1%56.9%
A30English, symmetrical, hedgehog, flexible formation59036.1%57.4%
B15Caro-Kann, Forgacs variation12236.1%54.9%
C00French, Steinitz attack5036.0%52.0%
A95Dutch, stonewall: Chekhover variation5036.0%56.0%
B83Sicilian, modern Scheveningen, main line71736.0%52.6%
C67Ruy Lopez, open Berlin defence, l'Hermet variation10335.9%43.2%
E54Nimzo-Indian, 4.e3, Gligoric system with 7...dc241435.9%53.8%
E17Queen's Indian, Euwe variation10635.8%60.4%
C47Four knights, Scotch variation5335.8%59.4%
A38English, symmetrical, main line with d316835.7%50.6%
C45Scotch, Meitner variation4235.7%53.6%
A01Nimzovich-Larsen attack, Polish variation2835.7%53.6%
C10French, Marshall variation1435.7%67.9%
B98Sicilian, Najdorf, Goteborg (Argentine) variation1435.7%46.4%
A59Benko gambit, 7.e41435.7%67.9%
B24Sicilian, closed, Smyslov variation1435.7%75.0%
A94Dutch, stonewall with Ba318835.6%54.0%
A06Santasiere's folly14635.6%47.9%
D12QGD Slav, Amsterdam variation7335.6%47.9%
D30QGD, Hastings variation75635.6%50.7%
D08QGD, Albin counter-gambit25335.6%53.0%
B36Sicilian, accelerated fianchetto, Maroczy bind145135.6%55.6%
C68Ruy Lopez, exchange, Keres variation30435.5%51.3%
C23Bishop's opening, Philidor counter-attack10735.5%58.9%
D94Gruenfeld, Smyslov defence26235.5%52.5%
C65Ruy Lopez, Berlin defence, Nyholm attack9335.5%53.2%
C20KP, Lopez opening6235.5%45.2%
D45QGD semi-Slav, Rubinstein (anti-Meran) system3135.5%59.7%
D90Gruenfeld, Flohr variation31635.4%48.7%
D17QGD Slav, Czech defence92435.4%54.1%
C69Ruy Lopez, exchange, Gligoric variation63735.3%54.4%
C12French, MacCutcheon, Chigorin variation5135.3%51.0%
C48Four knights, Rubinstein counter-gambit, Henneberger variation5135.3%62.7%
C57Two knights defence, Fritz, Gruber variation1735.3%52.9%
C45Scotch, Paulsen attack1735.3%35.3%
C60Ruy Lopez, fianchetto (Smyslov/Barnes) defence51935.3%53.1%
D35QGD, Harrwitz attack12235.2%51.2%
A34English, symmetrical, three knights system263935.2%52.5%
D57QGD, Lasker defence, main line5435.2%58.3%
C89Ruy Lopez, Marshall counter-attack, 11...c6118635.2%48.3%
C26Vienna, Mengarini variation3735.1%58.1%
B10Caro-Kann, Hillbilly attack3735.1%58.1%
D80Gruenfeld, Stockholm variation62135.1%50.6%
A97Dutch, Ilyin-Genevsky, Winter variation19135.1%64.7%
C49Four knights13435.1%50.4%
D81Gruenfeld, Russian variation41135.0%55.0%
B37Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg733435.0%52.5%
B58Sicilian, classical75735.0%51.6%
B05Alekhine's defence, modern, Panov variation2035.0%67.5%
B73Sicilian, dragon, classical, Zollner gambit2035.0%22.5%
D94Gruenfeld, 5.e376635.0%57.7%
C49Four knights, symmetrical, Metger unpin49235.0%52.2%
D26QGA, classical variation, 6.O-O45235.0%58.4%
C42Petrov, classical attack, Jaenisch variation397435.0%56.6%
D34QGD, Tarrasch, Prague variation, Normal position131434.9%57.9%
A33English, symmetrical variation503734.8%52.3%
D65QGD, Orthodox defence, Rubinstein attack, main line2334.8%39.1%
B52Sicilian, Canal-Sokolsky attack, 3...Bd7166534.8%50.5%
E22Nimzo-Indian, Spielmann variation16434.8%53.4%
E55Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation301934.7%53.4%
C70Ruy Lopez, Cozio defence deferred17034.7%52.6%
D87Gruenfeld, exchange, Spassky variation72934.7%57.1%
E06Catalan, closed, 5.Nf3720034.7%54.5%
E17Queen's Indian, anti-Queen's Indian system30034.7%54.3%
A22English, Bremen, reverse dragon170534.7%53.2%
D90Gruenfeld, Three knights variation75634.7%54.1%
D22QGA, Alekhine defence43934.6%58.5%
C56Two knights defence7834.6%50.6%
A21English, Keres variation2634.6%44.2%
D19QGD Slav, Dutch variation, main line51234.6%52.2%
D22QGA, Haberditz variation27234.6%58.5%
C67Ruy Lopez, Berlin defence, open variation902934.5%52.7%
C42Petrov, classical attack, Chigorin variation123234.5%54.3%
D26QGA, classical variation137734.5%54.6%
B74Sicilian, dragon, classical, Reti-Tartakower variation20334.5%52.2%
A59Benko gambit, main line101834.5%62.7%
C10French, Fort Knox variation47034.5%54.3%
A28English, four knights, Romanishin variation120834.4%50.1%
C29Vienna gambit, Breyer variation15134.4%55.0%
B56Sicilian, Venice attack67434.4%62.6%
C45Scotch, Potter variation30834.4%48.4%
D28QGA, classical, 7...b527934.4%55.2%
E17Queen's Indian, 5.Bg2 Be79634.4%49.5%
D89Gruenfeld, exchange, Sokolsky variation6434.4%39.1%
C65Ruy Lopez, Berlin defence, Duras variation3234.4%45.3%
A12English, Torre defensive system45134.4%52.7%
D27QGA, classical, Rubinstein variation424734.4%55.4%
B06Robatsch defence, Two knights, Suttles variation249234.3%58.3%
D48QGD semi-Slav, Meran, old main line21034.3%56.7%
B35Sicilian, accelerated fianchetto, modern variation with Bc4504134.3%53.8%
E51Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d529834.2%50.3%
C89Ruy Lopez, Marshall counter-attack415334.2%51.8%
C99Ruy Lopez, closed, Chigorin, 12...c5d4207334.2%59.0%
B62Sicilian, Richter-Rauzer, Podvebrady variation4134.1%51.2%
C63Ruy Lopez, Schliemann defence, Berger variation75634.1%56.2%
C43Petrov, modern attack, Trifunovic variation8534.1%51.2%
D63QGD, Orthodox defence, 7.Rc135234.1%54.0%
A78Benoni, classical with ...Re8 and ...Na68834.1%53.4%
E21Nimzo-Indian, three knights, Korchnoi variation4434.1%60.2%
D05Queen's pawn game, Zukertort variation4434.1%55.7%
C15French, Winawer, Alekhine gambit, Kan variation20034.0%49.0%
B88Sicilian, Sozin, Leonhardt variation72134.0%49.4%
A07Reti, King's Indian attack346633.9%53.0%
C22Centre game, Paulsen attack11833.9%50.8%
D82Gruenfeld, 4.Bf461733.9%53.2%
C44Ponziani, Caro variation12733.9%50.8%
E41Nimzo-Indian, 4.e3 c586333.8%51.0%
B85Sicilian, Scheveningen, classical, Maroczy system6833.8%55.1%
D76Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6142433.8%55.9%
D40QGD, Semi-Tarrasch, symmetrical variation7733.8%49.4%
A13English, Neo-Catalan accepted241933.7%54.5%
E35Nimzo-Indian, classical, Noa variation, 5.cd ed101433.7%49.7%
E34Nimzo-Indian, classical, Noa variation86933.7%52.2%
B27Sicilian, Hungarian variation1045633.7%57.2%
B52Sicilian, Canal-Sokolsky attack, Sokolsky variation141033.6%53.4%
E53Nimzo-Indian, 4.e3, Keres variation12233.6%47.1%
D02Queen's pawn game, Krause variation86333.6%51.6%
C93Ruy Lopez, closed, Smyslov defence25333.6%57.9%
D30QGD Slav, Semmering variation27433.6%50.7%
D97Gruenfeld, Russian, Prins variation126633.6%55.6%
D86Gruenfeld, exchange, Simagin's improved variation14333.6%54.5%
E19Queen's Indian, old main line, 9.Qxc3175233.6%55.0%
C75Ruy Lopez, modern Steinitz defence, Rubinstein variation14933.6%59.1%
D56QGD, Lasker defence, Teichmann variation15233.6%60.2%
B10Caro-Kann, anti-anti-Caro-Kann defence245833.5%51.7%
A34English, symmetrical, Rubinstein system38233.5%53.1%
B04Alekhine's defence, modern, Keres variation19733.5%61.9%
D74Neo-Gruenfeld, 6.cd Nxd5, 7.O-O59733.5%58.1%
C21Centre game30233.4%57.5%
D77Neo-Gruenfeld, 6.O-O213333.4%53.8%
D92Gruenfeld, 5.Bf4115833.4%55.4%
E16Queen's Indian, Capablanca variation43133.4%57.5%
D44QGD semi-Slav, 5.Bg5 dc44633.4%49.0%
C64Ruy Lopez, classical defence, Benelux variation 59333.4%51.1%
C42Petrov, Nimzovich attack73433.4%54.0%
B14Caro-Kann, Panov-Botvinnik attack, 5...e6689533.3%55.3%
C77Ruy Lopez, Morphy defence41433.3%54.6%
A91Dutch defence22233.3%53.2%
E75King's Indian, Averbakh, main line5433.3%48.1%
A12English, New York (London) defensive system5133.3%42.2%
C12French, MacCutcheon, Dr. Olland (Dutch) variation3633.3%55.6%
D49QGD semi-Slav, Meran, Rellstab attack3633.3%50.0%
A74Benoni, classical, 9...a6, 10.a43033.3%53.3%
B34Sicilian, accelerated fianchetto, exchange variation2733.3%42.6%
C51Evans gambit declined2733.3%42.6%
C45Scotch, Tartakower variation1833.3%50.0%
C22Centre game, Hall variation1533.3%43.3%
C46Three knights, Schlechter variation1533.3%63.3%
C57Two knights defence, Fritz variation1233.3%50.0%
C51Evans gambit, normal variation1233.3%41.7%
E77King's Indian, Four pawns attack, 6.Be2933.3%50.0%
C42Petrov, classical attack, Tarrasch variation933.3%83.3%
A00Battambang opening933.3%27.8%
A00Amsterdam attack933.3%50.0%
E14Queen's Indian, Averbakh variation933.3%38.9%
C60Ruy Lopez, Vinogradov variation933.3%50.0%
C48Four knights, Spielmann variation633.3%50.0%
C27Boden-Kieseritsky gambit, Lichtenhein defence633.3%33.3%
C23Bishop's opening, Lewis counter-gambit633.3%50.0%
C40Latvian gambit, 3.Bc4633.3%66.7%
C37KGA, Rosentreter gambit333.3%83.3%
A80Dutch, Von Pretzel gambit333.3%16.7%
A80Dutch, Spielmann gambit333.3%16.7%
D30QGD, Stonewall variation333.3%83.3%
D40QGD, Semi-Tarrasch defence101333.3%51.5%
D36QGD, exchange, positional line, 6.Qc246933.3%51.6%
C92Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation31333.2%64.9%
B39Sicilian, accelerated fianchetto, Breyer variation152133.2%60.9%
E18Queen's Indian, old main line, 7.Nc3317333.2%56.3%
B13Caro-Kann, exchange, Rubinstein variation22633.2%55.1%
C47Four knights, Scotch, Krause variation20833.2%53.1%
C45Scotch, Mieses variation212633.2%51.0%
C77Ruy Lopez, Wormald (Alapin) attack67333.1%50.6%
B58Sicilian, Boleslavsky variation89133.1%49.0%
D09QGD, Albin counter-gambit, 5.g314533.1%57.2%
C86Ruy Lopez, Worrall attack, sharp line28133.1%50.0%
C10French, Rubinstein variation897333.1%53.5%
E77King's Indian, Four pawns attack24833.1%53.2%
C67Ruy Lopez, open Berlin defence, 5...Be712133.1%56.2%
C39KGA, Kieseritsky, Kolisch defence11233.0%49.6%
C55Two knights, Max Lange attack, Schlechter variation10033.0%47.5%
A15English opening1343933.0%54.1%
B01Scandinavian, Pytel-Wade variation330733.0%60.0%
A23English, Bremen system, Keres variation47333.0%49.3%
E11Bogo-Indian defence373933.0%55.3%
D37QGD, classical variation (5.Bf4)849532.9%53.6%
C73Ruy Lopez, modern Steinitz defence, Richter variation24932.9%51.4%
B23Sicilian, closed, Korchnoi variation39832.9%48.4%
B64Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f463532.9%54.4%
C36KGA, Abbazia defence, modern variation23432.9%45.1%
B62Sicilian, Richter-Rauzer, Margate (Alekhine) variation54132.9%49.9%
E96King's Indian, orthodox, 7...Nbd7, main line21632.9%59.0%
D33QGD, Tarrasch, Prague variation14032.9%60.0%
E76King's Indian, Four pawns attack33232.8%59.2%
D86Gruenfeld, exchange, Simagin's lesser variation6432.8%61.7%
E36Nimzo-Indian, classical, Noa variation, 5.a350632.8%55.5%
D58QGD, Tartakower (Makagonov-Bondarevsky) system1339132.8%52.6%
D46QGD semi-Slav, Chigorin defence86332.8%53.9%
B13Caro-Kann, Panov-Botvinnik attack194032.8%53.8%
C79Ruy Lopez, Steinitz defence deferred (Russian defence)36332.8%52.5%
C42Petrov, Cozio (Lasker) attack29332.8%51.5%
A83Dutch, Staunton gambit, Chigorin variation5832.8%68.1%
C07French, Tarrasch, open variation671032.8%52.8%
D23QGA, Mannheim variation56232.7%54.3%
A85Dutch with c4 & Nc359932.7%56.1%
D17QGD Slav, Carlsbad variation69732.7%52.7%
D89Gruenfeld, Spassky variation, main line, 13.Bd310732.7%53.7%
D35QGD, 3...Nf620832.7%44.2%
E54Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation5232.7%56.7%
E27Nimzo-Indian, Saemisch variation5232.7%51.0%
A69Benoni, four pawns attack, main line9532.6%42.6%
D94Gruenfeld, Makogonov variation23332.6%51.1%
C01French, exchange variation229432.6%53.4%
B15Caro-Kann, Tartakower (Nimzovich) variation160132.6%52.8%
D55QGD, 6.Nf336532.6%58.8%
C84Ruy Lopez, closed, centre attack22432.6%50.2%
E32Nimzo-Indian, classical variation896732.6%53.1%
E24Nimzo-Indian, Saemisch variation22132.6%49.3%
E04Catalan, open, 5.Nf31187632.6%53.6%
D27QGA, classical, Geller variation8632.6%43.0%
A59Benko gambit8632.6%64.0%
A25English, closed, Hort variation4332.6%51.2%
E39Nimzo-Indian, classical, Pirc variation141032.6%56.3%
E52Nimzo-Indian, 4.e3, main line with ...b6100532.5%52.7%
E48Nimzo-Indian, 4.e3 O-O, 5.Bd3 d570732.5%52.1%
D37QGD, 4.Nf3674632.5%53.2%
D78Neo-Gruenfeld, 6.O-O c6211932.5%53.7%
C80Ruy Lopez, open, 8...Be6136032.5%46.1%
A28English, Nenarokov variation8032.5%45.0%
D05Queen's pawn game, Rubinstein (Colle-Zukertort) variation79432.5%55.8%
C68Ruy Lopez, exchange, Alekhine variation7732.5%43.5%
B02Alekhine's defence61332.5%55.4%
C92Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)363832.5%53.9%
B72Sicilian, dragon, classical attack11432.5%54.8%
C84Ruy Lopez, closed defence124832.5%51.9%
D13QGD Slav, exchange variation144332.4%53.3%
C06French, Tarrasch, closed variation, main line281932.4%55.2%
B34Sicilian, accelerated fianchetto, modern variation139232.4%51.3%
A80Dutch, Krejcik gambit21332.4%45.3%
C35KGA, Cunningham, Euwe defence7132.4%50.0%
D38QGD, Ragozin variation839532.4%53.7%
D45QGD semi-Slav, accelerated Meran (Alekhine variation)386632.3%53.7%
B04Alekhine's defence, modern, Larsen variation144632.3%57.6%
B98Sicilian, Najdorf, Browne variation9632.3%57.8%
D26QGA, 4...e686832.3%53.0%
D35QGD, exchange variation40032.3%55.6%
A86Dutch, Leningrad variation21432.2%60.0%
D49QGD semi-Slav, Meran, Stahlberg variation9032.2%51.7%
A03Bird's opening, Lasker variation5932.2%50.0%
C91Ruy Lopez, closed, Bogolyubov variation645732.2%51.8%
E76King's Indian, Four pawns attack, dynamic line17132.2%50.0%
D30QGD303632.1%52.1%
C77Ruy Lopez, Morphy defence, Duras variation10932.1%48.2%
E16Queen's Indian, Riumin variation43332.1%55.3%
C69Ruy Lopez, exchange variation, Alapin gambit15932.1%53.1%
E37Nimzo-Indian, classical, Noa variation, main line, 7.Qc215632.1%59.6%
B01Scandinavian, Icelandic gambit7832.1%49.4%
A28English, four knights, Marini variation147632.0%53.7%
B03Alekhine's defence, exchange variation88032.0%58.2%
A30English, symmetrical, hedgehog system839632.0%55.6%
C41Philidor, Nimzovich, Rellstab variation10332.0%63.6%
E50Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d515332.0%57.8%
D91Gruenfeld, 5.Bg5209632.0%49.8%
A52Budapest, Adler variation76332.0%58.7%
D30QGD Slav122032.0%52.8%
A92Dutch defence12232.0%60.2%
C15French, Winawer (Nimzovich) variation138332.0%53.3%
B22Sicilian, Alapin's variation (2.c3)1869932.0%54.0%
C42Petrov, Kaufmann attack30731.9%56.7%
D18QGD Slav, Dutch variation94031.9%57.3%
C41Philidor, Nimzovich (Jaenisch) variation9431.9%47.9%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc4731.9%60.6%
E12Queen's Indian, Petrosian system1151831.9%53.4%
B08Pirc, classical system, 5.Be2524731.9%58.4%
D52QGD, Cambridge Springs defence, Rubinstein variation22631.9%55.3%
C71Ruy Lopez, modern Steinitz defence, Duras (Keres) variation20131.8%53.2%
D24QGA, 4.Nc333031.8%54.1%
A12English, Bled variation4431.8%59.1%
C83Ruy Lopez, open, 9...Be7, 10.Re12231.8%56.8%
E42Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)210731.8%55.3%
B40Sicilian, Anderssen variation252731.8%55.3%
E28Nimzo-Indian, Saemisch variation10731.8%54.2%
D52QGD, Cambridge Springs defence, 7.cd49131.8%57.8%
A81Dutch defence, Blackburne variation8531.8%61.8%
C45Scotch game366831.8%53.4%
D86Gruenfeld, exchange, classical variation139231.8%54.7%
B44Sicilian, Szen (`anti-Taimanov') variation101131.8%51.3%
C64Ruy Lopez, classical (Cordel) defence71231.7%52.0%
D29QGA, classical, 8...Bb779431.7%47.9%
D55QGD, Neo-orthodox variation, 7.Bh455531.7%53.7%
E67King's Indian, fianchetto, classical variation102031.7%55.6%
C43Petrov, modern attack, main line51531.7%57.8%
C44Ponziani, Jaenisch counter-attack74331.6%46.9%
E01Catalan, closed56631.6%53.8%
D14QGD Slav, exchange variation, 6.Bf4 Bf583831.6%51.1%
C33KGA, bishop's gambit, Bledow variation5731.6%45.6%
A83Dutch, Staunton gambit, Alekhine variation1931.6%63.2%
C41Philidor, Philidor counter-gambit, Zukertort variation1931.6%57.9%
B31Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation1931.6%47.4%
C31KGD, Falkbeer, 4.d31931.6%68.4%
E12Queen's Indian, Miles variation148531.5%53.4%
C49Four knights, symmetrical variation53031.5%49.3%
D47QGD semi-Slav, Meran variation323931.5%53.0%
D32QGD, Tarrasch defence45131.5%55.4%
C82Ruy Lopez, open, Italian variation8931.5%61.8%
C43Petrov, modern attack, Symmetrical variation552631.4%53.8%
D83Gruenfeld, Gruenfeld gambit7031.4%50.0%
C33KGA, Carrera (Basman) gambit3531.4%41.4%
E17Queen's Indian, old main line, 6.O-O101931.4%56.4%
E94King's Indian, orthodox variation192731.4%57.0%
C78Ruy Lopez, 5.O-O295631.4%54.7%
D97Gruenfeld, Russian, Alekhine (Hungarian) variation424531.4%51.3%
E10Queen's pawn game735431.3%54.5%
C85Ruy Lopez, Exchange variation doubly deferred (DERLD)166331.3%53.2%
E65King's Indian, fianchetto, Yugoslav, 7.O-O24931.3%57.4%
B03Alekhine's defence, four pawns attack9931.3%59.1%
A07Reti, King's Indian attack, Yugoslav variation516931.3%53.7%
D47QGD semi-Slav, neo-Meran (Lundin variation)73531.3%56.6%
E05Catalan, open, classical line51831.3%56.0%
E38Nimzo-Indian, classical, 4...c580931.3%56.6%
D25QGA, Smyslov variation20831.3%57.9%
E72King's Indian with e4 & g34831.3%55.2%
C33KGA, bishop's gambit, Cozio (Morphy) defence3231.3%40.6%
C20KP, King's head opening1631.3%59.4%
C48Four knights, Rubinstein counter-gambit, Bogolyubov variation1631.3%53.1%
A58Benko gambit, Nd2 variation1631.3%46.9%
B00KP, Colorado counter1631.3%59.4%
E60King's Indian, Danube gambit1631.3%53.1%
D50QGD, Been-Koomen variation1631.3%46.9%
C41Philidor, Steinitz variation1631.3%53.1%
A16English, Anglo-Gruenfeld defense, Korchnoi variation1631.3%65.6%
D51QGD, Capablanca anti-Cambridge Springs variation1631.3%59.4%
C61Ruy Lopez, Bird's defence, Paulsen variation1631.3%46.9%
B02Alekhine's defence, Spielmann variation1631.3%59.4%
E60King's Indian, 3.g3, counterthrust variation1631.3%46.9%
E60King's Indian, 3.g3242931.2%55.6%
B04Alekhine's defence, modern, fianchetto variation98931.2%54.8%
A06Reti, Nimzovich-Larsen attack425831.2%51.2%
B49Sicilian, Taimanov variation270031.2%55.3%
C44Scotch, Goering gambit18931.2%50.5%
A58Benko gambit accepted86231.2%55.3%
C11French, Swiss variation14131.2%44.7%
C44Scotch gambit, Dubois-Reti defence67331.2%49.8%
D60QGD, Orthodox defence37531.2%58.0%
E16Queen's Indian, Yates variation86931.2%58.9%
A13English, Wimpey system35631.2%46.8%
A07Reti, King's Indian attack, Keres variation79631.2%52.3%
C11French, Burn variation984331.1%52.0%
C00French, Schlechter variation48531.1%50.6%
A88Dutch, Leningrad, main variation with c6233231.1%56.3%
E11Bogo-Indian defence, Gruenfeld variation384631.1%55.5%
C77Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)19631.1%51.3%
D31QGD, semi-Slav136031.1%54.1%
B62Sicilian, Richter-Rauzer, Keres variation56331.1%53.7%
D97Gruenfeld, Russian variation with e47431.1%50.7%
C51Evans gambit, Cordel variation13231.1%48.9%
C77Ruy Lopez, four knights (Tarrasch) variation30631.0%56.0%
D15QGD Slav, Schlechter variation34831.0%55.7%
B79Sicilian, dragon, Yugoslav attack, 12.h414531.0%64.5%
D95Gruenfeld, Botvinnik variation11631.0%44.0%
C53Giuoco Piano, close variation5831.0%53.4%
C20KP, Patzer opening2931.0%56.9%
D48QGD semi-Slav, Meran, 8...a6716931.0%48.8%
D72Neo-Gruenfeld, 5.cd, main line38731.0%52.2%
E08Catalan, closed, 7.Qc224231.0%54.8%
A18English, Mikenas-Carls, Flohr variation18431.0%59.5%
B09Pirc, Austrian attack, dragon formation127231.0%53.9%
D30Queen's gambit declined719031.0%53.5%
E45Nimzo-Indian, 4.e3, Bronstein (Byrne) variation72031.0%54.5%
D34QGD, Tarrasch, Prague variation, 7...Be749431.0%59.2%
B01Scandinavian gambit19731.0%45.9%
E99King's Indian, orthodox, Aronin-Taimanov, Benko attack4231.0%44.0%
A17English, Nimzo-English opening267830.9%54.6%
B54Sicilian, Prins (Moscow) variation48230.9%52.8%
D50QGD, 4.Bg533030.9%56.7%
B18Caro-Kann, classical, 6.h4274730.9%53.5%
B47Sicilian, Taimanov (Bastrikov) variation1137530.9%54.5%
E88King's Indian, Saemisch, orthodox, 7.d5 c653430.9%55.5%
E29Nimzo-Indian, Saemisch, main line13630.9%58.8%
C21Danish gambit6830.9%55.1%
A29English, four knights, kingside fianchetto1852930.9%51.6%
E56Nimzo-Indian, 4.e3, main line with 7...Nc6134830.9%54.2%
C86Ruy Lopez, Worrall attack, solid line25630.9%51.0%
B25Sicilian, closed26930.9%50.0%
A08Reti, King's Indian attack, French variation117730.8%51.0%
A96Dutch, classical variation57130.8%61.6%
A12English, London defensive system45130.8%51.1%
D10QGD Slav defence, exchange variation336230.8%52.5%
C42Petrov, classical attack239230.8%56.8%
A54Old Indian, Ukrainian variation21130.8%51.4%
A00Benko's opening1193830.8%51.1%
B44Sicilian, Szen, hedgehog variation41930.8%48.3%
E59Nimzo-Indian, 4.e3, main line212130.8%54.1%
E85King's Indian, Saemisch, orthodox variation7830.8%56.4%
C13French, Albin-Alekhine-Chatard attack, Spielmann variation6530.8%56.9%
A43Old Benoni, Schmid's system2630.8%50.0%
C51Evans gambit declined, Cordel variation1330.8%30.8%
C83Ruy Lopez, open, Malkin variation1330.8%69.2%
A17English opening37430.7%53.1%
E00Catalan opening697830.7%54.2%
D20Queen's gambit accepted209630.7%55.4%
C26Vienna, Paulsen-Mieses variation117530.7%51.2%
C12French, MacCutcheon variation30630.7%51.3%
A80Dutch, Korchnoi attack11430.7%54.8%
D67QGD, Orthodox defence, Bd3 line, 11.O-O18930.7%63.0%
C29Vienna gambit27730.7%48.9%
B65Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4155930.7%57.0%
D04Queen's pawn game257830.6%52.9%
B09Pirc, Austrian attack, 6.Bd3441930.6%57.6%
C61Ruy Lopez, Bird's defence40230.6%57.3%
D99Gruenfeld defence, Smyslov, main line38930.6%61.8%
A92Dutch defence, Alekhine variation12130.6%58.3%
A01Nimzovich-Larsen attack, modern variation305230.6%49.9%
D05Colle system80830.6%52.3%
C78Ruy Lopez, Moeller defence80530.6%52.0%
C55Two knights defence, Perreux variation3630.6%48.6%
B83Sicilian, modern Scheveningen87130.5%50.4%
D45QGD semi-Slav, Stoltz variation4134930.5%52.5%
C15French, Winawer, Alekhine (Maroczy) gambit41630.5%57.1%
C80Ruy Lopez, open, 7.Bb351130.5%52.1%
A33English, symmetrical, Geller variation349330.5%52.3%
C95Ruy Lopez, closed, Breyer, Borisenko variation237930.5%56.3%
E69King's Indian, fianchetto, classical main line126530.5%59.9%
C39KGA, Kieseritsky, Berlin defence, 6.Bc45930.5%44.1%
A46Queen's pawn, Yusupov-Rubinstein system134430.5%51.3%
B83Sicilian, Scheveningen, 6.Be285930.5%51.2%
C50Giuoco Pianissimo205030.5%52.2%
E30Nimzo-Indian, Leningrad variation50230.5%51.1%
B57Sicilian, Sozin, not Scheveningen58130.5%54.5%
C69Ruy Lopez, exchange, Bronstein variation56830.5%51.7%
D66QGD, Orthodox defence, Bd3 line39130.4%55.4%
D86Gruenfeld, exchange, Larsen variation2330.4%63.0%
B18Caro-Kann, classical variation210730.4%54.9%
C69Ruy Lopez, exchange variation, 5.O-O81930.4%54.5%
B06Robatsch defence, Two knights variation60930.4%58.2%
B70Sicilian, dragon variation81030.4%50.1%
A16English, Anglo-Gruenfeld, Czech defense13530.4%66.3%
D52QGD46130.4%56.4%
A82Dutch, Staunton gambit16830.4%40.8%
A90Dutch-Indian, Alekhine variation11230.4%49.1%
A08Reti, King's Indian attack121930.4%54.7%
A28English, four knights, Nimzovich variation174730.3%51.9%
B29Sicilian, Nimzovich-Rubinstein variation62330.3%56.1%
E81King's Indian, Saemisch, Byrne variation8930.3%51.1%
B72Sicilian, dragon, classical, Nottingham variation8930.3%45.5%
B05Alekhine's defence, modern variation, 4...Bg4100930.3%63.8%
E62King's Indian, fianchetto, Uhlmann (Szabo) variation52130.3%58.2%
A13English, Romanishin gambit88430.3%55.1%
C41Philidor, Hanham, Steiner variation3330.3%66.7%
D31QGD, semi-Slav, Abrahams variation88830.3%45.0%
A13English, Neo-Catalan210030.3%53.8%
D96Gruenfeld, Russian variation53530.3%53.6%
A16English, Anglo-Gruenfeld defense32730.3%52.4%
A01Nimzovich-Larsen attack, symmetrical variation61830.3%49.8%
C50Giuoco Pianissimo, Canal variation23830.3%51.3%
D00Queen's pawn, Mason variation, Steinitz counter-gambit64830.2%50.3%
D32QGD, Tarrasch, von Hennig-Schara gambit8630.2%58.1%
C42Petrov, Damiano variation4330.2%54.7%
B77Sicilian, dragon, Yugoslav attack, 9.Bc49630.2%53.6%
A47Queen's Indian, Marienbad system14930.2%50.0%
A35English, symmetrical, four knights system449930.2%52.8%
D46QGD semi-Slav, Bogolyubov variation44830.1%56.6%
D61QGD, Orthodox defence, Rubinstein variation55130.1%53.7%
C77Ruy Lopez, Anderssen variation143130.1%49.9%
D10QGD Slav defence559730.1%54.5%
C41Philidor's defence58830.1%55.9%
C87Ruy Lopez, closed, Averbach variation39230.1%57.4%
E43Nimzo-Indian, Fischer variation64830.1%54.7%
C72Ruy Lopez, modern Steinitz defence, 5.O-O55230.1%56.5%
C55Two knights defence (Modern bishop's opening)145030.1%56.3%
D56QGD, Lasker defence54630.0%52.6%
B07Robatsch defence, Geller's system157930.0%57.1%
D51QGD, 4.Bg5 Nbd713030.0%55.8%
C41Philidor, Hanham, Krause variation3030.0%68.3%
C82Ruy Lopez, open, Berlin variation2030.0%60.0%
B37Sicilian, accelerated fianchetto, Simagin variation1030.0%45.0%
A28English, four knights, Capablanca variation51730.0%52.3%
B32Sicilian, Labourdonnais-Loewenthal variation39730.0%53.8%
C96Ruy Lopez, closed (10...c5)126929.9%59.6%
E14Queen's Indian, 4.e3288929.9%52.0%
C03French, Tarrasch302729.9%56.5%
B51Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack300829.9%55.8%
B01Scandinavian defence175529.9%57.6%
C88Ruy Lopez, closed, 7...O-O910329.9%51.9%
B08Pirc, classical, h3 system69929.9%55.9%
A12English, Capablanca's variation7729.9%48.7%
D52QGD, Cambridge Springs defence, Bogoljubow variation71029.9%54.4%
A07Reti, King's Indian attack (Barcza system)1077429.9%53.0%
B32Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation189929.9%54.0%
B82Sicilian, Scheveningen, 6.f481429.9%55.6%
B31Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)438229.8%55.7%
D23Queen's gambit accepted18129.8%49.7%
A58Benko gambit, fianchetto variation39929.8%55.3%
B44Sicilian defence43629.8%53.0%
B92Sicilian, Najdorf, Opovcensky variation1192929.8%52.5%
E90King's Indian, Zinnowitz variation10429.8%52.4%
C28Vienna game39629.8%51.3%
B07Pirc, Holmov system4729.8%53.2%
A57Benko gambit half accepted127629.8%57.7%
E62King's Indian, fianchetto, Kavalek (Bronstein) variation116929.8%58.6%
B05Alekhine's defence, modern, Flohr variation44729.8%65.0%
D49QGD semi-Slav, Meran, Blumenfeld variation56829.8%51.3%
A20English, Nimzovich, Flohr variation67629.7%46.7%
C21Danish gambit, Soerensen defence3729.7%52.7%
E82King's Indian, Saemisch, double fianchetto variation16529.7%59.7%
D11QGD Slav, 4.e3576329.7%55.4%
C46Four knights, Gunsberg variation12829.7%42.2%
E20Nimzo-Indian defence28329.7%46.6%
E25Nimzo-Indian, Saemisch, Keres variation42829.7%51.8%
C42Petrov, classical attack, close variation20929.7%54.5%
D06QGD, symmetrical (Austrian) defence11829.7%57.2%
A05Reti, King's Indian attack238229.6%55.6%
C42Petrov, classical attack, Marshall variation247029.6%55.3%
C65Ruy Lopez, Berlin defence, Beverwijk variation59429.6%53.9%
A97Dutch, Ilyin-Genevsky variation5429.6%63.0%
C74Ruy Lopez, modern Steinitz defence, siesta variation5429.6%50.0%
E46Nimzo-Indian, Simagin variation11529.6%48.7%
D05Queen's pawn game229529.5%52.9%
A38English, symmetrical variation76929.5%52.9%
A32English, symmetrical variation97629.5%52.5%
B42Sicilian, Kan, 5.Bd3469129.5%56.9%
B04Alekhine's defence, modern, Schmid variation13929.5%65.8%
E49Nimzo-Indian, 4.e3, Botvinnik system45129.5%48.2%
C65Ruy Lopez, Berlin defence549229.5%51.5%
A02Bird's opening288729.5%49.7%
A37English, symmetrical variation99429.5%52.9%
A48King's Indian, East Indian defence171729.5%53.3%
E15Queen's Indian, Nimzovich variation (exaggerated fianchetto)3322129.5%55.0%
A50Queen's Indian accelerated35329.5%57.5%
B93Sicilian, Najdorf, 6.f4259829.4%49.6%
E91King's Indian, Kazakh variation70329.4%57.5%
C46Four knights game101929.4%50.3%
C44Inverted Hungarian5129.4%50.0%
E23Nimzo-Indian, Spielmann, Karlsbad variation1729.4%38.2%
A05Reti, King's Indian attack, Spassky's variation87429.4%53.3%
B57Sicilian, Sozin, Benko variation523429.4%51.0%
D19QGD Slav, Dutch variation273329.4%56.4%
A42Modern defence, Averbakh system114829.4%57.0%
D31QGD, Charousek (Petrosian) variation224929.3%53.3%
D47QGD semi-Slav, Meran, Wade variation2213229.3%52.9%
E07Catalan, closed, 6...Nbd719129.3%52.9%
E17Queen's Indian, Opovcensky variation140929.3%58.3%
B27Sicilian defence11629.3%59.5%
A48King's Indian, Torre attack187729.3%50.1%
D25QGA, Janowsky-Larsen variation76829.3%56.1%
A30English, symmetrical variation897829.3%54.0%
D25QGA, 4.e357729.3%57.8%
B06Robatsch (modern) defence1063629.3%56.3%
D25QGA, Flohr variation8229.3%63.4%
C00French, Reversed Philidor formation8229.3%40.2%
C80Ruy Lopez, open, Riga variation4129.3%58.5%
E77King's Indian, Four pawns attack, Florentine gambit4129.3%41.5%
E15Queen's Indian, 4.g3 Bb727729.2%54.3%
E12Queen's Indian defence53729.2%50.4%
E60King's Indian, 3.Nf3494129.2%55.4%
B84Sicilian, Scheveningen (Paulsen), classical variation981529.2%51.9%
B30Sicilian, Nimzovich-Rossolimo attack (without ...d6)724729.2%54.8%
E12Queen's Indian, 4.Nc3710729.2%52.6%
D63QGD, Orthodox defence, Swiss, Karlsbad variation30529.2%52.3%
B41Sicilian, Kan, Maroczy bind (Reti variation)98729.2%54.9%
D21QGA, Alekhine defense, Borisenko-Furman variation4829.2%37.5%
D54QGD, Anti-neo-orthodox variation4829.2%52.1%
D51QGD, Manhattan variation2429.2%56.3%
B13Caro-Kann, Panov-Botvinnik, Herzog defence2429.2%52.1%
D48QGD semi-Slav, Meran, Reynolds' variation138229.2%56.0%
D43QGD semi-Slav2246529.1%53.6%
B76Sicilian, dragon, Yugoslav attack, 7...O-O64229.1%52.1%
C17French, Winawer, advance, Bogolyubov variation30929.1%56.3%
A21English, Troeger defence18229.1%54.1%
C46Four knights, Italian variation42629.1%49.1%
E21Nimzo-Indian, three knights variation369029.1%51.8%
E68King's Indian, fianchetto, classical variation, 8.e4214129.1%58.8%
C50Giuoco Pianissimo, Italian four knights variation54329.1%55.6%
A61Benoni, Uhlmann variation11029.1%50.9%
C78Ruy Lopez, Archangelsk (counterthrust) variation395729.1%54.1%
B17Caro-Kann, Steinitz variation555029.1%53.7%
B43Sicilian, Kan, 5.Nc3687829.1%54.9%
C88Ruy Lopez, closed, anti-Marshall 8.a4166229.1%52.3%
A50Queen's pawn game211029.1%55.6%
D15QGD Slav, 4.Nc3419029.0%52.6%
E62King's Indian, fianchetto, Larsen system33429.0%54.0%
D20QGA, 3.e4419829.0%56.0%
D63QGD, Orthodox defence, Swiss (Henneberger) variation21729.0%50.9%
C44Scotch gambit, Benima defence6229.0%51.6%
C33KGA, bishop's gambit, Maurian defence3129.0%46.8%
B30Sicilian defence466229.0%52.1%
B75Sicilian, dragon, Yugoslav attack41729.0%52.4%
B90Sicilian, Najdorf, Lipnitzky attack241729.0%48.7%
A53Old Indian defence188729.0%55.1%
E67King's Indian, fianchetto with ...Nd720729.0%62.3%
D20QGA, Linares variation6929.0%52.2%
B46Sicilian, Taimanov variation577029.0%54.8%
B41Sicilian, Kan variation28329.0%54.8%
B40Sicilian defence934229.0%52.8%
E58Nimzo-Indian, 4.e3, main line with 8...Bxc3299729.0%48.7%
B32Sicilian defence113629.0%52.0%
B03Alekhine's defence, four pawns attack, 7.Be319028.9%64.5%
E12Queen's Indian, 4.Nc3, Botvinnik variation11428.9%49.6%
D97Gruenfeld, Russian, Szabo (Boleslavsky) variation34928.9%60.6%
A05Reti opening1048028.9%52.4%
B15Caro-Kann, Gurgenidze system55028.9%57.5%
A92Dutch, stonewall with Nc39028.9%60.0%
C50Giuoco Piano207728.9%50.9%
D11QGD Slav, Breyer variation27728.9%53.8%
B28Sicilian, O'Kelly variation90828.9%56.4%
B21Sicilian, Smith-Morra gambit118928.8%50.1%
B09Pirc, Austrian attack, 6.e531228.8%59.3%
C21Halasz gambit5228.8%39.4%
E11Bogo-Indian defence, Nimzovich variation276128.8%56.5%
D46QGD semi-Slav, 6.Bd311128.8%51.4%
E73King's Indian, Averbakh system96128.8%52.5%
B25Sicilian, closed, 6.f493028.8%50.2%
B41Sicilian, Kan, Maroczy bind - Bronstein variation5928.8%56.8%
B74Sicilian, dragon, classical, Spielmann variation6628.8%53.8%
C71Ruy Lopez, modern Steinitz defence14628.8%52.1%
E97King's Indian, orthodox, Aronin-Taimanov, bayonet attack317828.8%57.6%
E61King's Indian defence, 3.Nc3141928.8%54.2%
B01Scandinavian, Marshall variation101328.7%59.5%
B42Sicilian, Kan, Gipslis variation19528.7%56.9%
D11QGD Slav, 3.Nf3574028.7%54.5%
C51Evans gambit declined, 5.a410828.7%47.7%
D31QGD, semi-Slav, Marshall gambit312628.7%55.2%
E62King's Indian, fianchetto variation15728.7%54.5%
E62King's Indian, fianchetto, Simagin variation17128.7%67.5%
B08Pirc, classical (two knights) system97428.6%56.4%
A81Dutch defence750128.6%56.1%
E63King's Indian, fianchetto, Panno variation330628.6%57.1%
A21English, Kramnik-Shirov counterattack380028.6%52.5%
B33Sicilian defence114728.6%52.9%
A20English opening1146028.6%52.4%
D45QGD semi-Slav, 5.e3147628.6%56.9%
D35QGD, exchange, Saemisch variation31528.6%53.7%
A28English, Bradley Beach variation19628.6%44.4%
D48QGD semi-Slav, Meran, Pirc variation3528.6%62.9%
E15Queen's Indian, Buerger variation3528.6%51.4%
D33QGD, Tarrasch, Wagner variation2828.6%60.7%
D60QGD, Orthodox defence, Rauzer variation2828.6%57.1%
E93King's Indian, Petrosian system, Keres variation2828.6%50.0%
C24Bishop's opening, Ponziani gambit2128.6%38.1%
E92King's Indian, classical variation2128.6%47.6%
C30KGD, Norwalde variation1428.6%50.0%
C29Vienna gambit, Bardeleben variation1428.6%28.6%
C89Ruy Lopez, Marshall, Kevitz variation1428.6%42.9%
A59Benko gambit, Ne2 variation1428.6%64.3%
C30KGD, classical, Soldatenkov variation1428.6%57.1%
C44Tayler opening728.6%28.6%
D32QGD, Tarrasch defence, Tarrasch gambit728.6%42.9%
C23Bishop's opening, Lewis gambit728.6%42.9%
C33KGA, Villemson (Steinitz) gambit728.6%42.9%
C13French, Albin-Alekhine-Chatard attack, Maroczy variation728.6%28.6%
C48Four knights, Bardeleben variation728.6%57.1%
A42Modern defence, Averbakh system, Randspringer variation728.6%28.6%
C60Ruy Lopez, Cozio defence43828.5%57.2%
C00French, King's Indian attack764028.5%51.0%
B72Sicilian, dragon, 6.Be328428.5%51.2%
E20Nimzo-Indian, Romanishin-Kasparov (Steiner) system81028.5%49.4%
B06Robatsch defence139328.5%59.0%
A48King's Indian, London system113828.5%51.9%
E90King's Indian, Larsen variation12328.5%55.7%
D02Queen's bishop game369328.4%51.4%
A49King's Indian, fianchetto without c4236928.4%53.8%
A36English, symmetrical, Botvinnik system reversed16228.4%50.0%
E46Nimzo-Indian, Reshevsky variation151628.4%52.4%
A93Dutch, stonewall, Botwinnik variation27528.4%60.0%
A89Dutch, Leningrad, main variation with Nc6154128.4%57.7%
C30King's gambit20128.4%56.0%
D10QGD Slav, Winawer counter-gambit32128.3%56.2%
E08Catalan, closed, Qc2 & b344828.3%52.3%
C76Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation62828.3%51.4%
A87Dutch, Leningrad, main variation84428.3%59.4%
A31English, symmetrical, Benoni formation237028.3%54.7%
D30QGD, Capablanca-Duras variation82328.3%52.4%
C62Ruy Lopez, old Steinitz defence66128.3%54.4%
C64Ruy Lopez, classical defence, 4.c345628.3%52.7%
D98Gruenfeld, Russian, Smyslov variation60528.3%54.1%
A28English, four knights, 4.e3147928.3%51.7%
C13French, Albin-Alekhine-Chatard attack, Breyer variation9228.3%55.4%
C70Ruy Lopez, Caro variation9228.3%53.3%
B58Sicilian, Boleslavsky, Louma variation4628.3%55.4%
A25English, closed, 5.Rb174028.2%52.1%
A40Queen's pawn, Franco-Indian (Keres) defence390628.2%55.5%
C33KGA, bishop's gambit, Steinitz defence8528.2%45.9%
A04Reti opening1604128.2%53.0%
D06QGD, Marshall defence37228.2%59.8%
B68Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be724828.2%56.5%
C00French defence, Steiner variation114528.2%49.7%
D16QGD Slav, Steiner variation39028.2%59.2%
C70Ruy Lopez7828.2%53.8%
D12QGD Slav, 4.e3 Bf5931428.2%54.4%
B50Sicilian557028.2%52.5%
B07Pirc, 150 attack66728.2%53.5%
A47Queen's Indian defence99728.2%53.5%
E09Catalan, closed, main line72428.2%56.8%
B02Alekhine's defence, Scandinavian variation42628.2%56.6%
C50Giuoco Piano, four knights variation14228.2%51.4%
C48Four knights, Spanish, classical defence17428.2%52.6%
A13English opening, Agincourt variation298428.2%52.1%
E10Blumenfeld counter-gambit, Dus-Chotimursky variation39828.1%56.0%
D35QGD, exchange, positional line, 5...c6194428.1%54.8%
D29QGA, classical, Smyslov variation9628.1%54.7%
C24Bishop's opening, Urusov gambit3228.1%45.3%
C58Two knights defence, Kieseritsky variation3228.1%54.7%
A22English, Bremen, Smyslov system276428.1%48.8%
B32Sicilian, Flohr variation15328.1%56.5%
A25English, closed system146328.1%53.3%
B80Sicilian, Scheveningen, fianchetto variation53428.1%51.5%
D51QGD, 5...c68928.1%59.0%
B48Sicilian, Taimanov variation743828.1%54.1%
C53Giuoco Piano579828.1%52.5%
B63Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7220628.1%52.2%
A90Dutch defence, Dutch-Indian (Nimzo-Dutch) variation49928.1%61.1%
D31QGD, 3.Nc3106628.0%54.8%
C96Ruy Lopez, closed, Borisenko defence8228.0%57.9%
B09Pirc, Austrian attack81328.0%58.5%
A16English opening127028.0%54.1%
A11English, Caro-Kann defensive system160228.0%56.0%
A72Benoni, classical without 9.O-O12528.0%60.4%
A52Budapest, Alekhine, Abonyi variation5028.0%60.0%
C46Four knights, Schultze-Mueller gambit2528.0%38.0%
D50QGD, Semi-Tarrasch, Primitive Pillsbury variation2528.0%38.0%
C24Bishop's opening, Berlin defence154028.0%52.2%
A00Polish (Sokolsky) opening167628.0%50.4%
A75Benoni, classical with ...a6 and 10...Bg416828.0%54.5%
A12English, Caro-Kann defensive system28628.0%55.6%
D00Blackmar gambit9328.0%41.9%
C42Petrov three knights game60128.0%54.4%
D31QGD, semi-Slav, Noteboom variation78027.9%52.4%
B87Sicilian, Sozin with ...a6 and ...b5139227.9%48.4%
A19English, Mikenas-Carls, Sicilian variation27227.9%55.5%
D35QGD, exchange, positional line277927.9%53.3%
B57Sicilian, Magnus Smith trap4327.9%53.5%
B61Sicilian, Richter-Rauzer, Larsen variation, 7.Qd261327.9%60.4%
A35English, symmetrical variation40227.9%57.2%
A00Lasker simul special14027.9%46.8%
E94King's Indian, orthodox, Donner variation23727.8%56.1%
A57Benko gambit, Zaitsev system7927.8%51.9%
A27English, three knights system56827.8%52.6%
A05Reti, King's Indian attack, Reti-Smyslov variation15127.8%50.3%
C02French, advance, Steinitz variation74127.8%50.2%
A41Modern defence10827.8%54.6%
C00Lengfellner system10827.8%61.1%
A84Dutch, Staunton gambit deferred1827.8%41.7%
B02Alekhine's defence, Krejcik variation1827.8%36.1%
B23Sicilian, Grand Prix attack, Schofman variation1827.8%30.6%
D35QGD, exchange, chameleon variation1827.8%63.9%
A37English, symmetrical, Botvinnik system reversed74927.8%51.4%
C90Ruy Lopez, closed (with ...d6)246127.8%49.4%
E00Queen's pawn game149927.8%54.0%
B91Sicilian, Najdorf, Zagreb (fianchetto) variation147427.7%51.1%
D17QGD Slav, Wiesbaden variation69227.7%58.5%
B19Caro-Kann, classical, Spassky variation936827.7%57.5%
A51Budapest, Fajarowicz variation13727.7%62.0%
C48Four knights, Spanish variation35727.7%52.2%
D46QGD semi-Slav, Romih variation23827.7%64.3%
C02French, advance, Wade variation39727.7%54.7%
A84Dutch defence, Rubinstein variation67927.7%56.7%
B42Sicilian, Kan, Swiss cheese variation30727.7%56.5%
D02Queen's pawn game1514527.7%52.9%
A46Queen's pawn game652127.7%54.1%
B24Sicilian, closed64727.7%49.1%
B01Scandinavian (centre counter) defence553527.7%60.2%
C75Ruy Lopez, modern Steinitz defence32927.7%57.9%
C80Ruy Lopez, open, 6.d44727.7%60.6%
B23Sicilian, closed, 2...Nc6376527.6%53.3%
C55Two knights defence17027.6%47.9%
C42Petrov, Paulsen attack29327.6%46.6%
C63Ruy Lopez, Schliemann defence41627.6%57.1%
E32Nimzo-Indian, classical, Adorjan gambit21027.6%55.7%
C64Ruy Lopez, Cordel gambit5827.6%70.7%
C40Damiano's defence2927.6%55.2%
A01Nimzovich-Larsen attack, English variation43227.5%51.3%
B45Sicilian, Taimanov variation507927.5%54.4%
B10Caro-Kann, Two knights variation93827.5%55.7%
A36English, ultra-symmetrical variation241827.5%49.0%
E10Blumenfeld counter-gambit13127.5%54.2%
A02Bird, From gambit9127.5%46.7%
B23Sicilian, chameleon variation143827.5%55.6%
C88Ruy Lopez, closed421127.5%48.3%
C34KGA, Bonsch-Osmolovsky variation5127.5%43.1%
A45Blackmar-Diemer gambit17527.4%54.3%
A50Kevitz-Trajkovich defence123627.4%54.0%
A60Benoni defence24827.4%52.8%
A41Robatsch defence, Rossolimo variation18627.4%54.0%
C59Two knights defence, Steinitz variation19727.4%57.9%
C74Ruy Lopez, Siesta, Kopayev variation13527.4%53.0%
C89Ruy Lopez, Marshall, main line, 12.d2d4139427.4%55.7%
C25Vienna gambit7327.4%53.4%
A09Reti accepted136227.4%53.1%
E92King's Indian, Petrosian system, Stein variation122727.4%53.1%
B86Sicilian, Sozin attack26327.4%44.9%
D00Queen's pawn, stonewall attack10627.4%48.6%
A36English, symmetrical, Botvinnik system77527.4%55.0%
C92Ruy Lopez, closed, 9.h357427.4%55.3%
A40Queen's pawn, Keres defence407827.3%55.7%
B97Sicilian, Najdorf, Poisoned pawn variation354027.3%44.3%
C00St. George defence68127.3%55.1%
C10French, Paulsen variation162227.3%56.4%
B13Caro-Kann, exchange variation113927.3%50.9%
A21English opening346227.3%54.2%
B33Sicilian, Pelikan, Chelyabinsk variation601827.3%55.3%
B54Sicilian121727.3%53.8%
A21English, Smyslov defence5527.3%57.3%
E24Nimzo-Indian, Saemisch, Botvinnik variation3327.3%47.0%
C43Petrov, modern attack, Steinitz variation1127.3%59.1%
C51Evans gambit, Goering attack1127.3%59.1%
C30KGD, classical, Marshall attack1127.3%50.0%
E87King's Indian, Saemisch, orthodox, Bronstein variation1127.3%59.1%
C91Ruy Lopez, closed, 9.d4397927.3%56.0%
A42Pterodactyl defence111527.3%61.6%
C41Philidor, Improved Hanham variation130327.2%56.5%
C14French, classical, Steinitz variation99927.2%58.0%
C73Ruy Lopez, modern Steinitz defence, Alapin variation32727.2%54.6%
D07QGD, Chigorin defence255927.2%57.6%
A24English, Bremen system with ...g69227.2%59.2%
E33Nimzo-Indian, classical, Milner-Barry (Zurich) variation64827.2%52.9%
B12Caro-Kann, Tartakower (fantasy) variation109427.1%54.7%
D47QGD semi-Slav, 7.Bc485127.1%58.0%
C41Philidor, Hanham, Schlechter variation7027.1%62.1%
A06Reti opening353927.1%53.2%
B52Sicilian, Canal-Sokolsky attack, Bronstein gambit16627.1%43.1%
B01Scandinavian defence, Lasker variation15527.1%63.9%
C44Inverted Hanham4827.1%49.0%
A15English, 1...Nf6 (Anglo-Indian defense)171027.1%52.8%
E70King's Indian, accelerated Averbakh system13327.1%50.4%
A40Queen's pawn, Lundin (Kevitz-Mikenas) defence88327.1%56.6%
E66King's Indian, fianchetto, Yugoslav Panno48427.1%55.9%
A61Benoni, Nimzovich (knight's tour) variation72827.1%57.2%
B89Sicilian, Sozin, 7.Be3438027.1%49.1%
D90Gruenfeld, Schlechter variation3727.0%64.9%
D66QGD, Orthodox defence, Bd3 line, fianchetto variation3727.0%64.9%
D52QGD, Cambridge Springs defence, Yugoslav variation134027.0%58.4%
D45QGD semi-Slav, 5...Nd7135527.0%51.5%
C78Ruy Lopez, ...b5 & ...d610027.0%47.5%
A00Van't Kruijs opening130827.0%52.2%
B63Sicilian, Richter-Rauzer, Rauzer attack50427.0%56.9%
C20KP, Indian opening25227.0%50.0%
A55Old Indian, main line127927.0%62.5%
E94King's Indian, orthodox, 7...Nbd7263226.9%56.9%
B33Sicilian, Sveshnikov variation327526.9%52.9%
B76Sicilian, dragon, Yugoslav attack, Rauser variation145226.9%59.5%
C13French, classical, Tartakower variation2626.9%55.8%
A01Nimzovich-Larsen attack, classical variation189126.9%48.5%
B42Sicilian, Kan, Polugaievsky variation298726.9%54.4%
A83Dutch, Staunton gambit, Staunton's line24926.9%46.8%
A98Dutch, Ilyin-Genevsky variation with Qc219726.9%60.2%
C98Ruy Lopez, closed, Chigorin, 12...Nc626426.9%63.8%
E10Dzindzikhashvili defence21226.9%59.2%
D84Gruenfeld, Gruenfeld gambit accepted9326.9%66.1%
C00French, Reti (Spielmann) variation29426.9%54.6%
B23Sicilian, closed624926.9%53.0%
C26Vienna game36926.8%54.1%
E26Nimzo-Indian, Saemisch, O'Kelly variation4126.8%40.2%
C32KGD, Falkbeer, 5.de4126.8%50.0%
B20Sicilian, wing gambit, Marshall variation48126.8%39.6%
D15QGD Slav accepted35826.8%50.3%
D01Richter-Veresov attack132826.8%46.4%
D17QGD Slav, Krause attack85826.8%58.0%
C86Ruy Lopez, Worrall attack9726.8%57.7%
E95King's Indian, orthodox, 7...Nbd7, 8.Re198926.8%56.3%
C65Ruy Lopez, Berlin defence, 4.O-O22426.8%62.5%
C96Ruy Lopez, closed (8...Na5)5626.8%52.7%
A46Queen's pawn, Torre attack144526.8%52.1%
A34English, symmetrical variation197226.8%50.9%
C44King's pawn game7126.8%47.2%
A56Benoni defence166326.8%58.6%
A09Reti opening109926.8%53.5%
C54Giuoco Piano17226.7%57.0%
A70Benoni, classical with e4 and Nf3166126.7%58.7%
C11French, Steinitz variation190826.7%53.8%
C88Ruy Lopez, Trajkovic counter-attack29226.7%53.1%
E61King's Indian, Smyslov system15026.7%49.3%
C44Scotch gambit10526.7%50.5%
C82Ruy Lopez, open, Dilworth variation9026.7%52.2%
C17French, Winawer, advance, Russian variation7526.7%49.3%
E11Bogo-Indian defence, Monticelli trap3026.7%56.7%
E57Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd3026.7%70.0%
B07Pirc, Sveshnikov system123426.7%51.9%
C92Ruy Lopez, closed, Kholmov variation19926.6%59.0%
A04Reti v Dutch250126.6%56.9%
A25English, Sicilian reversed114826.6%52.0%
C27Vienna, Alekhine variation12826.6%44.5%
C30KGD, 2...Nf66426.6%52.3%
E40Nimzo-Indian, 4.e324126.6%53.5%
A92Dutch, stonewall variation35426.6%58.8%
C70Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation26026.5%54.8%
A01Nimzovich-Larsen attack, Indian variation78426.5%53.3%
B22Sicilian, 2.c3, Heidenfeld variation4926.5%43.9%
A00Benko's opening, reversed Alekhine11726.5%50.0%
B95Sicilian, Najdorf, 6...e6176026.5%53.9%
D94Gruenfeld, Flohr defence6826.5%54.4%
C22Centre game, Berger variation41226.5%53.3%
A64Benoni, fianchetto, 11...Re818926.5%52.9%
B12Caro-Kann, 3.Nd250326.4%59.5%
C48Four knights, Rubinstein counter-gambit159626.4%54.2%
A95Dutch, stonewall with Nc347726.4%54.3%
C53Giuoco Piano, Bird's attack14426.4%52.1%
A54Old Indian, Ukrainian variation, 4.Nf332626.4%54.3%
E74King's Indian, Averbakh, 6...c529226.4%62.2%
B10Caro-Kann, anti-Caro-Kann defence137326.4%56.7%
B00Owen defence88026.4%56.6%
E26Nimzo-Indian, Saemisch variation14826.4%49.0%
B62Sicilian, Richter-Rauzer, 6...e618626.3%48.1%
A22English, Carls' Bremen system89626.3%55.0%
A45Queen's pawn game565426.3%51.3%
C11French, Steinitz, Boleslavsky variation788926.3%54.5%
A20English, Nimzovich variation30426.3%53.6%
D32QGD, Tarrasch defence, 4.cd ed3826.3%47.4%
B01Scandinavian, Richter variation1926.3%71.1%
C23Bishop's opening, Philidor variation1926.3%55.3%
E20Nimzo-Indian, Mikenas attack1926.3%34.2%
E71King's Indian, Makagonov system (5.h3)96226.3%55.5%
C11French defence63526.3%49.7%
B56Sicilian537726.3%54.6%
D16QGD Slav, Smyslov variation13726.3%59.1%
A43Old Benoni, Franco-Benoni defence17926.3%62.8%
E89King's Indian, Saemisch, orthodox main line8026.3%61.9%
B33Sicilian, Pelikan, Bird variation34326.2%59.5%
C70Ruy Lopez, Classical defence deferred53026.2%51.8%
B23Sicilian, Grand Prix attack60326.2%52.4%
C27Vienna, `Frankenstein-Dracula' variation4226.2%56.0%
D44QGD semi-Slav, anti-Meran gambit203626.2%60.0%
A80Dutch879326.2%54.0%
B00King's pawn opening311926.2%53.7%
C00French, Pelikan variation8826.1%49.4%
A90Dutch defence210526.1%55.8%
C52Evans gambit26826.1%38.8%
C59Two knights defence18026.1%47.5%
A43Old Benoni defence272826.1%55.7%
B96Sicilian, Najdorf, Polugayevsky variation13826.1%52.2%
D63QGD, Orthodox defence11526.1%57.4%
A61Benoni, fianchetto variation6926.1%53.6%
C04French, Tarrasch, Guimard main line46426.1%56.4%
B81Sicilian, Scheveningen, Keres attack483626.1%58.8%
A01Nimzovich-Larsen attack95626.0%51.2%
C30KGD, classical, 4.c316926.0%60.9%
B60Sicilian, Richter-Rauzer162926.0%56.2%
E40Nimzo-Indian, 4.e3, Taimanov variation12326.0%52.0%
C19French, Winawer, advance, 6...Ne791126.0%59.7%
D00Queen's pawn game229726.0%51.1%
A40Queen's pawn576826.0%53.6%
C90Ruy Lopez, closed, Pilnik variation314326.0%52.5%
C41Philidor, exchange variation148726.0%58.1%
C46Three knights game29325.9%52.9%
A71Benoni, classical, 8.Bg513525.9%53.7%
D97Gruenfeld, Russian, Byrne (Simagin) variation35525.9%50.1%
B26Sicilian, closed, 6.Be358825.9%48.5%
C19French, Winawer, advance, Smyslov variation26725.8%59.0%
A36English, symmetrical variation17825.8%49.4%
E70King's Indian, 4.e492925.8%54.7%
A84Dutch defence176225.8%56.4%
D21QGA, 3.Nf3130925.8%55.7%
A44Old Benoni defence6225.8%66.1%
C29Vienna gambit, Steinitz variation3125.8%48.4%
A86Dutch with c4 & g322125.8%62.7%
A22English opening109525.8%50.7%
C47Four knights, Belgrade gambit26825.7%43.8%
A41Old Indian defence368425.7%50.9%
C44Scotch opening7025.7%41.4%
C45Scotch, Romanishin variation3525.7%44.3%
A10English opening500725.7%53.5%
B03Alekhine's defence, four pawns attack, Trifunovic variation7425.7%65.5%
B20Sicilian, Keres variation (2.Ne2)121725.6%52.8%
C40Latvian counter-gambit16025.6%61.6%
B94Sicilian, Najdorf, 6.Bg5179225.6%53.2%
A57Benko gambit127325.6%54.4%
B20Sicilian, Steinitz variation128525.6%54.2%
B07Pirc defence310625.6%54.6%
A13English opening519025.6%52.7%
C02French, advance, Milner-Barry gambit12925.6%53.1%
E62King's Indian, fianchetto with ...Nc634825.6%56.8%
A63Benoni, fianchetto, 9...Nbd713325.6%59.4%
E13Queen's Indian, 4.Nc3, main line37225.5%55.8%
B77Sicilian, dragon, Yugoslav attack, 9...Bd746625.5%55.3%
C49Four knights, symmetrical, Pillsbury variation4725.5%42.6%
C19French, Winawer, advance, poisoned pawn, Konstantinopolsky variation130925.5%60.5%
E91King's Indian, 6.Be292925.5%60.0%
D02Queen's pawn game, Chigorin variation181125.5%54.9%
B84Sicilian, Scheveningen, classical, Nd7 system9825.5%53.6%
C02French, advance, Euwe variation382425.5%52.6%
C02French, advance, Nimzovich variation5125.5%28.4%
D15QGD Slav, Tolush-Geller gambit36125.5%43.8%
A28English, four knights system67525.5%53.0%
E44Nimzo-Indian, Fischer variation, 5.Ne294225.5%56.6%
B09Pirc, Austrian attack, 6.Be381325.5%55.5%
C00French, Labourdonnais variation65225.5%49.2%
C17French, Winawer, advance, 5.a378225.4%57.2%
E81King's Indian, Saemisch, 5...O-O243325.4%54.0%
C12French, MacCutcheon, Janowski variation18125.4%59.1%
C16French, Winawer, advance variation118525.4%56.8%
C33KGA, bishop's gambit, Jaenisch variation12625.4%54.8%
D00Queen's pawn, Mason variation213325.4%51.8%
C40QP counter-gambit, Maroczy gambit7125.4%62.0%
A40Polish defence35925.3%57.5%
A00Polish, Outflank variation29625.3%49.5%
E41Nimzo-Indian, e3, Huebner variation97525.3%49.2%
A17English, Queens Indian formation24525.3%52.7%
A07Reti, King's Indian attack (with ...c5)43925.3%48.4%
A09Reti, advance variation172625.3%47.6%
E97King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)877425.3%55.5%
A99Dutch, Ilyin-Genevsky variation with b351125.2%59.4%
C42Petrov's defence96325.2%54.0%
D12QGD Slav, exchange variation45625.2%53.2%
B67Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7743125.2%52.5%
C02French, advance variation211125.2%53.9%
B21Sicilian, Grand Prix attack238125.2%49.4%
C16French, Winawer, Petrosian variation41325.2%54.0%
C30KGD, Mafia defence14325.2%64.3%
B80Sicilian, Scheveningen, English variation64025.2%51.3%
C68Ruy Lopez, exchange variation34225.1%56.7%
C25Vienna game77225.1%52.2%
C44Ponziani opening19525.1%56.2%
E20Nimzo-Indian, Kmoch variation117125.1%54.0%
A45Trompovsky attack (Ruth, Opovcensky opening)813125.1%51.8%
C58Two knights defence25525.1%56.5%
A10English, Anglo-Dutch defense140725.1%55.5%
B19Caro-Kann, classical, 7...Nd793325.1%52.0%
D15QGD Slav, Slav gambit39525.1%46.7%
B06Robatsch defence, Pseudo-Austrian attack103625.0%59.1%
B98Sicilian, Najdorf, 7...Be728025.0%53.6%
B27Sicilian, Katalimov variation18425.0%54.9%
C17French, Winawer, advance variation10025.0%60.5%
A52Budapest defence8025.0%53.8%
D41QGD, Semi-Tarrasch, San Sebastian variation8025.0%68.8%
C10French, Frere (Becker) variation5225.0%54.8%
E73King's Indian, Semi-Averbakh system5225.0%54.8%
C33KGA, bishop's gambit, Morphy variation5225.0%47.1%
C88Ruy Lopez, closed, 8.c34825.0%50.0%
C57Two knights defence, Ulvestad variation4025.0%57.5%
A40Beefeater defence3625.0%59.7%
C71Ruy Lopez, modern Steinitz defence, Three knights variation2825.0%58.9%
C52Evans gambit, compromised defence, Paulsen variation1625.0%68.8%
D98Gruenfeld, Russian, Keres variation1225.0%70.8%
C37KGA, Salvio gambit1225.0%45.8%
D43QGD semi-Slav, Hastings variation825.0%25.0%
B02Alekhine's defence, Steiner variation825.0%37.5%
B03Alekhine's defence, four pawns attack, Planinc variation425.0%87.5%
C54Giuoco Piano, Greco's attack425.0%37.5%
B13Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation425.0%87.5%
C53Giuoco Piano, Tarrasch variation425.0%62.5%
A43Hawk (Habichd) defence425.0%37.5%
C67Ruy Lopez, open Berlin defence, Showalter variation425.0%62.5%
A02Bird, Hobbs gambit425.0%62.5%
A40Modern defence228625.0%56.8%
C00French, Chigorin variation335924.9%50.9%
A26English, Botvinnik system42524.9%48.7%
D00Levitsky attack (Queen's bishop attack)278424.9%49.6%
B15Caro-Kann defence62624.9%49.8%
A73Benoni, classical, 9.O-O28924.9%53.6%
B90Sicilian, Najdorf, Byrne (English) attack5160124.9%51.5%
C00French, Two knights variation101324.9%50.4%
B10Caro-Kann defence619924.9%53.7%
A61Benoni defence74924.8%58.6%
B66Sicilian, Richter-Rauzer, Rauzer attack, 7...a61546124.8%51.2%
B33Sicilian, Pelikan (Lasker/Sveshnikov) variation129724.8%53.7%
E60Queen's pawn, Mengarini attack14124.8%50.7%
B90Sicilian, Najdorf1318024.8%51.1%
B60Sicilian, Richter-Rauzer, Larsen variation35924.8%54.7%
C12French, MacCutcheon, Lasker variation, 8...g677524.8%54.5%
B98Sicilian, Najdorf variation21424.8%49.3%
B12Caro-Kann, advance variation2427224.8%54.4%
A28English, four knights, Stean variation17824.7%55.6%
B11Caro-Kann, Two knights, 3...Bg4174424.7%53.5%
A56Czech Benoni defence83024.7%62.0%
C27Vienna game30824.7%51.3%
C41Philidor, Larsen variation7724.7%68.2%
E92King's Indian, Gligoric-Taimanov system267424.6%57.8%
C05French, Tarrasch, closed variation202624.6%57.1%
B00Carr's defence6524.6%53.8%
A13English, Kurajica defence12224.6%50.8%
A77Benoni, classical, 9...Re8, 10.Nd241924.6%56.2%
C90Ruy Lopez, closed, Suetin variation5724.6%50.9%
C45Scotch, Steinitz variation5724.6%45.6%
D44QGD semi-Slav, Botvinnik system (anti-Meran)38324.5%48.0%
D06QGD, Grau (Sahovic) defence169524.5%55.9%
B10Caro-Kann, closed (Breyer) variation198524.5%50.8%
A25English, closed system (without ...d6)10624.5%49.1%
E62King's Indian, fianchetto, lesser Simagin (Spassky) variation46924.5%58.3%
C23Bishop's opening40824.5%52.9%
C02French, advance, Paulsen attack234224.5%53.3%
B89Sicilian, Velimirovic attack173024.5%51.0%
C30KGD, Keene's defence4924.5%49.0%
E80King's Indian, Saemisch variation56424.5%55.0%
C88Ruy Lopez, closed, 7...d6, 8.d413124.4%38.2%
A41Old Indian, Tartakower (Wade) variation357824.4%58.7%
A03Bird's opening310624.4%48.6%
A06Reti, old Indian attack32824.4%52.1%
E00Neo-Indian (Seirawan) attack58724.4%49.5%
C19French, Winawer, advance, poisoned pawn variation520424.3%58.9%
B07Pirc, Byrne variation45724.3%55.7%
D52QGD, Cambridge Springs defence, Argentine variation3324.2%48.5%
B16Caro-Kann, Bronstein-Larsen variation78924.2%61.8%
C43Petrov, modern (Steinitz) attack15724.2%60.5%
B78Sicilian, dragon, Yugoslav attack, 10.O-O-O116124.2%54.3%
C31KGD, Nimzovich counter-gambit6224.2%49.2%
A51Budapest defence declined6224.2%52.4%
E07Catalan, closed, Botvinnik variation15324.2%60.5%
C05French, Tarrasch, Botvinnik variation15324.2%57.8%
E93King's Indian, Petrosian system, main line24024.2%55.4%
D07QGD, Chigorin defence, Janowski variation65424.2%61.8%
A26English, closed system34824.1%51.1%
B02Alekhine's defence, Mokele Mbembe (Buecker) variation2924.1%63.8%
C22Centre game2924.1%53.4%
A42Modern defence, Averbakh system, Kotov variation83324.1%57.7%
B00KP, Nimzovich defence275824.1%57.8%
B20Sicilian defence674924.1%48.5%
B90Sicilian, Najdorf, Adams attack301524.0%52.7%
B03Alekhine's defence80424.0%53.7%
E64King's Indian, fianchetto, Yugoslav system19624.0%56.9%
B25Sicilian, closed, 6.f4 e5 (Botvinnik)11723.9%47.0%
E83King's Indian, Saemisch, Panno formation23023.9%52.4%
B02Alekhine's defence, Welling variation4623.9%48.9%
A65Benoni, 6.e420523.9%59.8%
A18English, Mikenas-Carls variation11323.9%57.1%
B80Sicilian, Scheveningen variation144323.8%53.6%
C64Ruy Lopez, classical defence, Charousek variation2123.8%64.3%
C00French defence404523.8%54.3%
B83Sicilian, modern Scheveningen, main line with Nb316423.8%50.3%
B69Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf645023.8%57.2%
B97Sicilian, Najdorf, 7...Qb6279823.7%47.2%
C25Vienna game, Max Lange defence7623.7%48.7%
A12English, Caro-Kann defensive system, Bogolyubov variation14823.6%50.3%
C20Alapin's opening11023.6%48.2%
B53Sicilian, Chekhover, Zaitsev variation5523.6%55.5%
B07Pirc, Ufimtsev-Pytel variation89523.6%56.1%
A00Dunst (Sleipner, Heinrichsen) opening201323.5%52.0%
E23Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc63423.5%44.1%
B09Pirc, Austrian attack, Ljubojevic variation1723.5%70.6%
B15Caro-Kann, Rasa-Studier gambit1723.5%35.3%
C19French, Winawer, advance, positional main line288223.5%57.6%
D15QGD Slav, 5.e3 (Alekhine variation)37023.5%49.6%
B04Alekhine's defence, modern variation42623.5%61.5%
E90King's Indian, 5.Nf3127123.4%54.4%
C34KGA, Fischer defence25623.4%47.3%
C52Evans gambit, Tartakower attack11123.4%50.5%
E10Blumenfeld counter-gambit accepted20523.4%53.7%
C03French, Tarrasch, Guimard variation24823.4%60.9%
A41Queen's Pawn498623.4%56.2%
C48Four knights, Ranken variation3023.3%45.0%
B96Sicilian, Najdorf, 7.f4217323.3%49.2%
E60King's Indian defence178323.3%53.3%
A80Dutch, Manhattan (Alapin, Ulvestad) variation13323.3%53.8%
D03Torre attack (Tartakower variation)96723.3%50.0%
E33Nimzo-Indian, classical, 4...Nc614223.2%61.6%
A07Reti, King's Indian attack, Pachman system25423.2%52.2%
A09Reti accepted, Keres variation12523.2%59.6%
A00Clemenz (Mead's, Basman's or de Klerk's) opening517923.2%49.9%
D48QGD semi-Slav, Meran37623.1%47.7%
B02Alekhine's defence, Saemisch attack28623.1%58.4%
A82Dutch, Balogh defence1323.1%50.0%
C48Four knights, Rubinstein counter-gambit, 5.Be21323.1%57.7%
A83Dutch, Staunton gambit, Lasker variation1323.1%50.0%
C68Ruy Lopez, exchange, Romanovsky variation1323.1%50.0%
B27Sicilian, Acton extension1323.1%57.7%
D70Neo-Gruenfeld defence49923.0%51.4%
B06Robatsch defence, Gurgenidze variation94623.0%63.3%
C50King's pawn game39123.0%54.0%
E86King's Indian, Saemisch, orthodox, 7.Nge2 c656623.0%54.9%
C25Vienna, Paulsen variation73623.0%50.6%
C97Ruy Lopez, closed, Chigorin defence176522.9%60.1%
C55Two knights, Max Lange attack10922.9%48.2%
E15Queen's Indian, Rubinstein variation13122.9%52.7%
C33KGA, bishop's gambit, Lopez-Gianutio counter-gambit3522.9%31.4%
B74Sicilian, dragon, classical, Alekhine variation3522.9%62.9%
B20Sicilian, wing gambit9222.8%46.2%
E60King's Indian, Anti-Gruenfeld14922.8%47.7%
B02Alekhine's defence, Maroczy variation27222.8%47.4%
C40Gunderam defence25122.7%63.1%
A80Dutch, 2.Bg5 variation262822.6%53.4%
C51Evans gambit, Stone-Ware variation6222.6%45.2%
C45Scotch, Pulling counter-attack3122.6%56.5%
C53Giuoco Piano, centre-holding variation3122.6%62.9%
A62Benoni, fianchetto variation164022.6%55.5%
B40Sicilian, Pin variation (Sicilian counter-attack)15122.5%54.3%
B40Sicilian, Pin, Koch variation19122.5%72.0%
E70King's Indian, Kramer system24922.5%53.4%
E99King's Indian, orthodox, Aronin-Taimanov, main line13422.4%53.7%
A00Amar (Paris) opening7622.4%41.4%
D44QGD semi-Slav, Ekstrom variation5422.2%38.9%
E08Catalan, closed, Spassky gambit2722.2%59.3%
C01French, exchange, Bogolyubov variation922.2%33.3%
A70Benoni, classical without 9.O-O922.2%77.8%
C13French, Albin-Alekhine-Chatard attack, Teichmann variation922.2%88.9%
A47Queen's Indian, Marienbad system, Berg variation922.2%55.6%
D53QGD, Lasker variation922.2%66.7%
B99Sicilian, Najdorf, 7...Be7 main line163522.2%54.4%
C60Ruy Lopez (Spanish opening)16722.2%53.6%
D00Queen's pawn, Chigorin variation157822.1%51.7%
C92Ruy Lopez, closed, Keres (9...a5) variation5022.0%59.0%
C13French, Albin-Alekhine-Chatard attack48222.0%56.4%
A04Reti, Pirc-Lisitsin gambit16422.0%59.8%
A44Semi-Benoni (`blockade variation')133221.9%61.3%
A00Polish, Tuebingen variation7321.9%52.1%
A00Anderssen's opening70321.9%47.5%
D16QGD Slav accepted, Alapin variation29721.9%70.5%
B12Caro-Kann defence195621.9%57.2%
E84King's Indian, Saemisch, Panno main line88321.9%52.0%
B10Caro-Kann, Goldman (Spielmann) variation11921.8%47.9%
B02Alekhine's defence, Brooklyn defence8721.8%61.5%
A52Budapest, Alekhine variation6921.7%48.6%
C57Two knights defence6921.7%35.5%
C13French, classical, Anderssen variation4621.7%39.1%
C38KGA, Hanstein gambit2321.7%41.3%
A00Anti-Borg (Desprez) opening2321.7%58.7%
B85Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc62321.7%50.0%
A40Queen's pawn, English defence68621.7%56.6%
C30KGD, classical variation24921.7%46.6%
E10Doery defence12021.7%45.8%
C35KGA, Cunningham defence11121.6%45.0%
A00Grob's attack25521.6%46.9%
E73King's Indian, 5.Be211621.6%49.6%
A00Ware (Meadow Hay) opening20921.5%47.1%
B00St. George (Baker) defence19121.5%54.2%
E31Nimzo-Indian, Leningrad, main line21921.5%45.9%
C33KGA, bishop's gambit15421.4%52.9%
D33QGD, Tarrasch, Schlechter-Rubinstein system1421.4%46.4%
C79Ruy Lopez, Steinitz defence deferred, Rubinstein variation1421.4%67.9%
D51QGD, Alekhine variation1421.4%53.6%
E98King's Indian, orthodox, Aronin-Taimanov, 9.Ne1321421.4%59.1%
C18French, Winawer, classical variation82021.2%56.6%
C36KGA, Abbazia defence (classical defence, modern defence[!])3321.2%56.1%
D44QGD semi-Slav, anti-Meran, Lilienthal variation48621.2%58.7%
C31KGD, Falkbeer counter-gambit8521.2%49.4%
B03Alekhine's defence, four pawns attack, 6...Nc68521.2%52.9%
A56Benoni defence, Hromodka system114021.1%58.5%
C34KGA, Schallop defence11421.1%50.9%
A10English, Jaenisch gambit1921.1%68.4%
C80Ruy Lopez, open, 8.de1921.1%52.6%
A79Benoni, classical, 11.f320521.0%66.6%
A01Nimzovich-Larsen attack, Dutch variation16721.0%50.6%
E10Blumenfeld counter-gambit, Spielmann variation10521.0%53.3%
B03Alekhine's defence, Balogh variation4320.9%59.3%
C18French, Winawer, advance variation81420.9%57.9%
A43Old Benoni, Mujannah formation13920.9%63.7%
C14French, classical, Rubinstein variation5320.8%55.7%
B07Pirc, bayonet (Mariotti) attack5320.8%53.8%
D10QGD Slav defence, Alekhine variation47820.7%55.8%
C46Three knights, Steinitz variation18020.6%53.6%
D01Richter-Veresov attack, Veresov variation5920.3%54.2%
C44Ponziani counter-gambit23720.3%52.3%
A53Old Indian, Janowski variation74620.2%58.6%
D44QGD semi-Slav, anti-Meran, Szabo variation22820.2%40.4%
C20King's pawn game29320.1%51.7%
C12French, MacCutcheon, Lasker variation47820.1%52.5%
A04Reti, Lisitsin gambit deferred6020.0%43.3%
C44Dresden opening6020.0%45.0%
B12Caro-Kann, Edinburgh variation5520.0%70.0%
B96Sicilian, Najdorf, Polugayevsky, Simagin variation4520.0%52.2%
D31QGD, semi-Slav, Junge variation3520.0%61.4%
A46Queen's pawn, Torre attack, Wagner gambit3020.0%36.7%
C37KGA, Blachly gambit2520.0%30.0%
C60Ruy Lopez, Lucena defence2520.0%46.0%
C57Two knights defence, Lolli attack2020.0%55.0%
D97Gruenfeld, Russian, Levenfish variation2020.0%55.0%
B20Sicilian, Gloria variation1020.0%50.0%
C44Scotch, Goering gambit, Bardeleben variation1020.0%40.0%
E83King's Indian, Saemisch, Ruban variation1020.0%50.0%
C31KGD, Falkbeer, 3...e41020.0%50.0%
A02Bird, From gambit, Lipke variation520.0%30.0%
C25Vienna, Hamppe-Allgaier gambit520.0%30.0%
C41Philidor, Nimzovich, Sokolsky variation520.0%50.0%
A25English, closed, 5.Rb1 Taimanov variation520.0%30.0%
C30KGD, classical, Svenonius variation520.0%50.0%
A45Paleface attack19119.9%41.4%
E87King's Indian, Saemisch, orthodox, 7.d553019.8%62.9%
A56Czech Benoni, King's Indian system40919.8%60.3%
D30QGD, Capablanca variation6119.7%47.5%
B25Sicilian, closed, 6.Ne2 e5 (Botvinnik)10219.6%52.9%
C15French, Winawer, fingerslip variation4119.5%56.1%
C95Ruy Lopez, closed, Breyer, Gligoric variation7719.5%65.6%
B50Sicilian, wing gambit deferred3619.4%45.8%
A00Saragossa opening93919.4%50.8%
C02French, advance, Nimzovich system33219.3%46.7%
A67Benoni, Taimanov variation48419.2%58.2%
E92King's Indian, Petrosian system20319.2%57.4%
E83King's Indian, Saemisch, 6...Nc612519.2%56.8%
B12Caro-Kann, advance, Short variation9919.2%66.2%
C58Two knights defence, Bogolyubov variation7319.2%54.8%
D15QGD Slav, Suechting variation9419.1%52.1%
C42Petrov, Italian variation15719.1%51.0%
B82Sicilian, Scheveningen, Tal variation19919.1%59.8%
D06Queen's Gambit2119.0%57.1%
B80Sicilian, Scheveningen, Vitolins variation11619.0%44.8%
B20Sicilian, wing gambit, Carlsbad variation3218.8%59.4%
A00Global opening1618.8%71.9%
C13French, classical, Frankfurt variation1618.8%84.4%
A45Canard opening2718.5%50.0%
C23Bishop's opening, Classical variation11918.5%50.4%
A00Mieses opening50918.5%52.8%
D51QGD3818.4%64.5%
B27Sicilian, Quinteros variation9818.4%59.2%
C70Ruy Lopez, Schliemann defence deferred4918.4%56.1%
C33King's gambit accepted1118.2%54.5%
C65Ruy Lopez, Berlin defence, Kaufmann variation1118.2%45.5%
C58Two knights defence, Paoli variation1118.2%81.8%
C40Greco defence9418.1%64.4%
B00KP, Nimzovich defence, Bogolyubov variation28318.0%56.0%
C40QP counter-gambit (elephant gambit)20018.0%63.5%
A00Durkin's attack6717.9%53.7%
C62Ruy Lopez, old Steinitz defence, Nimzovich attack2817.9%69.6%
D45QGD semi-Slav, stonewall defence2817.9%66.1%
C41Philidor, Nimzovich, Sozin variation4517.8%48.9%
C33KGA, bishop's gambit, Bogolyubov variation4517.8%46.7%
C44Scotch, Lolli variation7917.7%51.9%
C43Petrov, modern attack, Bardeleben variation1717.6%67.6%
C20KP, Mengarini's opening8017.5%55.0%
A06Tennison (Lemberg, Zukertort) gambit2317.4%60.9%
C06French, Tarrasch, Leningrad variation5217.3%54.8%
C34KGA, Becker defence5217.3%39.4%
C26Vienna, Falkbeer variation14117.0%51.1%
A18English, Mikenas-Carls, Kevitz variation4717.0%55.3%
D24QGA, Bogolyubov variation28516.8%47.4%
B00Reversed Grob (Borg/Basman defence/macho Grob)19016.8%54.7%
C27Boden-Kieseritsky gambit6016.7%50.0%
C41Philidor, Philidor counter-gambit3016.7%51.7%
C44Konstantinopolsky opening2416.7%45.8%
A03Bird's opening, Williams gambit1816.7%58.3%
A82Dutch, Staunton gambit, Tartakower variation1816.7%47.2%
B00Barnes defence1816.7%63.9%
C25Vienna, Pierce gambit1816.7%36.1%
A00Amar gambit1216.7%50.0%
C52Evans gambit, Waller attack616.7%41.7%
C12French, MacCutcheon, Bogolyubov variation616.7%75.0%
C60Ruy Lopez, Brentano defence616.7%58.3%
B00KP, Nimzovich defence, Marshall gambit616.7%41.7%
C30KGD, classical, Reti variation616.7%75.0%
C96Ruy Lopez, closed, Rossolimo defence616.7%75.0%
C30KGD, classical counter-gambit616.7%58.3%
C65Ruy Lopez, Berlin defence, Anderssen variation616.7%8.3%
C40King's knight opening616.7%41.7%
C52Evans gambit, Richardson attack616.7%25.0%
C24Bishop's opening, Urusov gambit, Panov variation616.7%58.3%
C39KGA, Kieseritsky, Neumann defence616.7%58.3%
C33KGA, bishop's gambit, Anderssen variation616.7%75.0%
C82Ruy Lopez, open, 9.c3616.7%58.3%
A00Gedult's opening3116.1%40.3%
A76Benoni, classical, 9...Re813215.9%59.5%
D31QGD, Alapin variation4415.9%42.0%
B15Caro-Kann, Gurgenidze counter-attack3215.6%60.9%
D00Blackmar-Diemer gambit3215.6%51.6%
C57Two knights defence, Wilkes Barre (Traxler) variation7715.6%62.3%
B06Robatsch defence, three pawns attack10315.5%55.3%
C34King's knight's gambit8415.5%48.2%
B40Sicilian, Marshall variation2615.4%42.3%
C13French, classical, Anderssen-Richter variation1315.4%30.8%
C48Four knights, Marshall variation1315.4%61.5%
A43Woozle defence4015.0%50.0%
A22English, Bellon gambit2015.0%42.5%
C39KGA, Kieseritsky, Berlin defence6114.8%36.9%
A02Bird, From gambit, Lasker variation3414.7%54.4%
C00French, Alapin variation4814.6%46.9%
B32Sicilian, Nimzovich variation2814.3%53.6%
C33KGA, bishop's gambit, Boden defence1414.3%35.7%
A02Bird's opening, Swiss gambit1414.3%64.3%
B12Caro-Masi defence1414.3%50.0%
C80Ruy Lopez, open, Zukertort variation714.3%50.0%
C22Centre game, Charousek variation714.3%50.0%
A83Dutch, Staunton gambit, Nimzovich variation714.3%50.0%
C25Vienna, Steinitz gambit, Fraser-Minckwitz variation714.3%50.0%
C42Petrov, Cochrane gambit4413.6%45.5%
C12French, MacCutcheon, Bernstein variation2213.6%56.8%
C03French, Tarrasch, Haberditz variation1513.3%66.7%
C42Petrov, French attack1513.3%66.7%
C41Philidor, Lopez counter-gambit1513.3%80.0%
D18QGD Slav, Dutch, Lasker variation3112.9%67.7%
C14French, classical variation2412.5%22.9%
C14French, classical, Pollock variation1612.5%43.8%
B27Sicilian, Stiletto (Althouse) variation1612.5%68.8%
C33KGA, bishop's gambit, Paulsen attack812.5%43.8%
A40Queen's pawn, Charlick (Englund) gambit812.5%68.8%
B71Sicilian, dragon, Levenfish; Flohr variation812.5%56.3%
C00French, Wing gambit5012.0%44.0%
C13French, classical2512.0%54.0%
D44QGD semi-Slav, anti-Meran, Alatortsev system5111.8%60.8%
C52Evans gambit, compromised defence3411.8%55.9%
C23Bishop's opening, Calabrese counter-gambit, Jaenisch variation1711.8%64.7%
A45Queen's pawn, Bronstein gambit1711.8%47.1%
C44Scotch, Relfsson gambit ('MacLopez')4411.4%44.3%
C51Evans gambit, Paulsen variation3611.1%44.4%
C65Ruy Lopez, Berlin defence, Mortimer variation1811.1%66.7%
C55Two knights, Max Lange attack, Steinitz variation911.1%61.1%
A54Old Indian, Dus-Khotimirsky variation911.1%72.2%
C38King's knight's gambit911.1%50.0%
B01Scandinavian, Kiel variation911.1%72.2%
C41Philidor, Boden variation1910.5%52.6%
A00Grob, Fritz gambit3910.3%20.5%
C33KGA, Keres (Mason-Steinitz) gambit439.3%44.2%
C33KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit229.1%45.5%
C33KGA, bishop's gambit, classical defence119.1%22.7%
C37KGA, Muzio gambit119.1%13.6%
C43Petrov, Urusov gambit468.7%45.7%
C41Philidor, Nimzovich, Klein variation128.3%62.5%
A00Novosibirsk opening258.0%48.0%
B01Scandinavian, Mieses-Kotrvc gambit267.7%50.0%
C37KGA, Quaade gambit137.7%11.5%
C40Latvian, Fraser defence147.1%53.6%
E03Catalan, open, Alekhine variation156.7%43.3%
C44Ponziani, Reti variation166.3%53.1%
B03Alekhine's defence, O'Sullivan gambit166.3%59.4%
C89Ruy Lopez, Marshall, Herman Steiner variation385.3%52.6%
B64Sicilian, Richter-Rauzer, Rauzer attack, Geller variation273.7%75.9%
A68Benoni, four pawns attack140.0%42.9%
A57Benko gambit, Nescafe Frappe attack120.0%33.3%
D00Blackmar-Diemer, Euwe defence110.0%45.5%
C58Two knights defence, Colman variation100.0%80.0%
B00Fred80.0%87.5%
C70Ruy Lopez, Alapin's defence deferred70.0%42.9%
C15French, Winawer, Alekhine gambit70.0%71.4%
A03Mujannah opening70.0%42.9%
C31KGD, Falkbeer, Nimzovich variation70.0%42.9%
C51Evans gambit60.0%0.0%
D63QGD, Orthodox defence, Capablanca variation60.0%66.7%
C40Latvian, Polerio variation60.0%33.3%
E36Nimzo-Indian, classical, Noa variation, main line60.0%33.3%
B02Alekhine's defence, Kmoch variation60.0%50.0%
C38KGA, Philidor gambit, Schultz variation50.0%20.0%
B01Scandinavian, Anderssen counter-attack, Goteborg system50.0%100.0%
C80Ruy Lopez, open, Harksen gambit50.0%60.0%
C88Ruy Lopez, Noah's ark trap50.0%60.0%
C50Rousseau gambit50.0%60.0%
C83Ruy Lopez, open, Breslau variation50.0%80.0%
B77Sicilian, dragon, Yugoslav attack, Byrne variation50.0%80.0%
B40Sicilian, Pin, Jaffe variation50.0%80.0%
C37KGA, King's knight's gambit40.0%25.0%
A86Dutch, Hort-Antoshin system40.0%75.0%
D50QGD, Canal (Venice) variation40.0%50.0%
C21Danish gambit, Collijn defence40.0%50.0%
C13French, classical, Vistaneckis (Nimzovich) variation40.0%75.0%
C38KGA, Philidor gambit40.0%25.0%
C66Ruy Lopez, closed Berlin defence, Chigorin variation40.0%75.0%
A56Vulture defence30.0%33.3%
C11French, Steinitz, Bradford attack30.0%33.3%
C33KGA, bishop's gambit, Boren-Svenonius variation30.0%66.7%
C57Two knights defence, Fegatello attack, Leonhardt variation30.0%0.0%
C41Philidor, Paulsen attack30.0%100.0%
C49Four knights, Svenonius variation30.0%66.7%
D55QGD, Pillsbury attack30.0%33.3%
C67Ruy Lopez, Berlin defence, Trifunovic variation30.0%100.0%
C37KGA, Salvio gambit, Anderssen counter-attack30.0%33.3%
C80Ruy Lopez, open, Richter variation30.0%33.3%
C41Philidor, Hanham, Kmoch variation20.0%50.0%
D34QGD, Tarrasch, Stoltz variation20.0%100.0%
B07Pirc, Chinese variation20.0%50.0%
C59Two knights defence, Goering variation20.0%50.0%
C35KGA, Cunningham, Bertin gambit20.0%50.0%
C39King's knight's gambit20.0%50.0%
C36KGA, Abbazia defence, Botvinnik variation20.0%100.0%
C32KGD, Falkbeer, Charousek gambit20.0%100.0%
B03Alekhine's defence, four pawns attack, Ilyin-Genevsky var.20.0%50.0%
C37KGA, Silberschmidt gambit20.0%0.0%
C39KGA, Kieseritsky, Brentano (Campbell) defence20.0%100.0%
B00Guatemala defence10.0%100.0%
D08QGD, Albin counter-gambit, Janowski variation10.0%100.0%
B62Sicilian, Richter-Rauzer, Richter attack10.0%0.0%
C51Evans gambit, Steinitz variation10.0%100.0%
C39KGA, Allgaier gambit10.0%100.0%
C34KGA, Gianutio counter-gambit10.0%0.0%
C78Ruy Lopez, Rabinovich variation10.0%100.0%
C98Ruy Lopez, closed, Chigorin, Rauzer attack10.0%0.0%
C45Scotch, Rosenthal variation10.0%0.0%
C37KGA, double Muzio gambit10.0%0.0%
C32KGD, Falkbeer, Tarrasch variation10.0%100.0%
C57Two knights defence, Fegatello attack, Polerio defence10.0%0.0%
C32KGD, Falkbeer, Charousek variation10.0%0.0%
C37KGA, Ghulam Kassim gambit10.0%0.0%
C29Vienna gambit, Heyde variation10.0%0.0%
C44Ponziani counter-gambit, Schmidt attack10.0%0.0%
C44Ponziani counter-gambit, Cordel variation10.0%100.0%
D51QGD, Rochlin variation10.0%0.0%
D08QGD, Albin counter-gambit, Balogh variation10.0%0.0%
D67QGD, Orthodox defence, Bd3 line, Capablanca freeing manoevre10.0%100.0%

Created in 2005-2013 by CCRL team
Last games added on July 21, 2018