CCRL 40/40

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.

ECO	Opening	Number of games	Draws	White score	Commented PGN
C70	Ruy Lopez, Graz variation	4	100.0%	50.0%	0.00 MB
C80	Ruy Lopez, open, Riga variation	4	100.0%	50.0%	0.00 MB
A44	Old Benoni defence	4	100.0%	50.0%	0.00 MB
C31	KGD, Nimzovich counter-gambit	3	100.0%	50.0%	0.00 MB
D34	QGD, Tarrasch, Reti variation	3	100.0%	50.0%	0.00 MB
A83	Dutch, Staunton gambit, Staunton's line	3	100.0%	50.0%	0.00 MB
E77	King's Indian, Four pawns attack, Florentine gambit	2	100.0%	50.0%	0.00 MB
C53	Giuoco Piano, centre-holding variation	2	100.0%	50.0%	0.00 MB
C56	Two knights defence, Canal variation	2	100.0%	50.0%	0.00 MB
C41	Philidor, Hanham, Delmar variation	2	100.0%	50.0%	0.00 MB
E15	Queen's Indian, Buerger variation	2	100.0%	50.0%	0.00 MB
B07	Pirc, Holmov system	2	100.0%	50.0%	0.00 MB
D57	QGD, Lasker defence, main line	2	100.0%	50.0%	0.00 MB
B07	Pirc, bayonet (Mariotti) attack	2	100.0%	50.0%	0.00 MB
C00	French, Alapin variation	2	100.0%	50.0%	0.00 MB
C45	Scotch, Ghulam Kassim variation	2	100.0%	50.0%	0.00 MB
C41	Philidor, Nimzovich, Sozin variation	2	100.0%	50.0%	0.00 MB
C80	Ruy Lopez, open, Berger variation	2	100.0%	50.0%	0.00 MB
A00	Clemenz (Mead's, Basman's or de Klerk's) opening	2	100.0%	50.0%	0.00 MB
D52	QGD, Cambridge Springs defence, Argentine variation	2	100.0%	50.0%	0.00 MB
C40	Latvian, Fraser defence	1	100.0%	50.0%	0.00 MB
C45	Scotch, Meitner variation	1	100.0%	50.0%	0.00 MB
D51	QGD	1	100.0%	50.0%	0.00 MB
C43	Petrov, modern attack, Steinitz variation	1	100.0%	50.0%	0.00 MB
C33	KGA, bishop's gambit	1	100.0%	50.0%	0.00 MB
B06	Robatsch defence, three pawns attack	1	100.0%	50.0%	0.00 MB
C89	Ruy Lopez, Marshall, Kevitz variation	1	100.0%	50.0%	0.00 MB
C37	KGA, Muzio gambit	1	100.0%	50.0%	0.00 MB
C37	KGA, Muzio gambit, Brentano defence	1	100.0%	50.0%	0.00 MB
A00	Mieses opening	1	100.0%	50.0%	0.00 MB
A40	Queen's pawn, Charlick (Englund) gambit	1	100.0%	50.0%	0.00 MB
D57	QGD, Lasker defence, Bernstein variation	1	100.0%	50.0%	0.00 MB
C14	French, classical variation	1	100.0%	50.0%	0.00 MB
E87	King's Indian, Saemisch, orthodox, Bronstein variation	1	100.0%	50.0%	0.00 MB
D55	QGD, Pillsbury attack	1	100.0%	50.0%	0.00 MB
C44	Scotch gambit, Benima defence	1	100.0%	50.0%	0.00 MB
A38	English, symmetrical, main line with b3	1	100.0%	50.0%	0.00 MB
C20	KP, King's head opening	1	100.0%	50.0%	0.00 MB
C48	Four knights, Bardeleben variation	1	100.0%	50.0%	0.00 MB
B31	Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation	1	100.0%	50.0%	0.00 MB
D53	QGD, 4.Bg5 Be7, 5.e3 O-O	1	100.0%	50.0%	0.00 MB
C41	Philidor, Philidor counter-gambit	1	100.0%	50.0%	0.00 MB
B03	Alekhine's defence, exchange, Karpov variation	1	100.0%	50.0%	0.00 MB
A98	Dutch, Ilyin-Genevsky variation with Qc2	1	100.0%	50.0%	0.00 MB
A82	Dutch, Staunton gambit, Tartakower variation	1	100.0%	50.0%	0.00 MB
A59	Benko gambit, 7.e4	1	100.0%	50.0%	0.00 MB
E03	Catalan, open, 5.Qa4 Nbd7, 6.Qxc4	1	100.0%	50.0%	0.00 MB
C53	Giuoco Piano, Mestel variation	1	100.0%	50.0%	0.00 MB
E72	King's Indian, Pomar system	1	100.0%	50.0%	0.00 MB
B05	Alekhine's defence, modern, Alekhine variation	1	100.0%	50.0%	0.00 MB
C37	KGA, Muzio gambit, From defence	1	100.0%	50.0%	0.00 MB
D22	QGA, Alekhine defence, Alatortsev variation	1	100.0%	50.0%	0.00 MB
A00	Novosibirsk opening	1	100.0%	50.0%	0.00 MB
C11	French, Steinitz, Gledhill attack	1	100.0%	50.0%	0.00 MB
A56	Vulture defence	1	100.0%	50.0%	0.00 MB
A80	Dutch, Manhattan (Alapin, Ulvestad) variation	1	100.0%	50.0%	0.00 MB
C30	KGD, classical, Reti variation	1	100.0%	50.0%	0.00 MB
C25	Vienna, Pierce gambit	1	100.0%	50.0%	0.00 MB
C14	French, classical, Stahlberg variation	1	100.0%	50.0%	0.00 MB
C12	French, MacCutcheon, Grigoriev variation	1	100.0%	50.0%	0.00 MB
D41	QGD, Semi-Tarrasch, Kmoch variation	1	100.0%	50.0%	0.00 MB
C34	King's knight's gambit	1	100.0%	50.0%	0.00 MB
C67	Ruy Lopez, Berlin defence, Zukertort variation	1	100.0%	50.0%	0.00 MB
D32	QGD, Tarrasch defence, 4.cd ed	1	100.0%	50.0%	0.00 MB
C42	Petrov, French attack	1	100.0%	50.0%	0.00 MB
C49	Four knights, Nimzovich (Paulsen) variation	6	83.3%	58.3%	0.01 MB
E73	King's Indian, 5.Be2	5	80.0%	60.0%	0.00 MB
D00	Blackmar gambit	5	80.0%	40.0%	0.01 MB
E10	Dzindzikhashvili defence	9	77.8%	61.1%	0.01 MB
E51	Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5	12	75.0%	45.8%	0.01 MB
C68	Ruy Lopez, exchange, Keres variation	12	75.0%	45.8%	0.01 MB
A84	Dutch, Staunton gambit deferred	8	75.0%	37.5%	0.01 MB
C51	Evans gambit, Cordel variation	4	75.0%	37.5%	0.00 MB
B27	Sicilian, Katalimov variation	4	75.0%	37.5%	0.00 MB
B88	Sicilian, Sozin, Fischer variation	4	75.0%	62.5%	0.00 MB
E51	Nimzo-Indian, 4.e3, Ragozin variation	4	75.0%	62.5%	0.00 MB
C47	Four knights, Belgrade gambit	4	75.0%	62.5%	0.00 MB
C55	Two knights defence, Perreux variation	4	75.0%	62.5%	0.00 MB
D23	Queen's gambit accepted	4	75.0%	37.5%	0.00 MB
C00	St. George defence	4	75.0%	62.5%	0.00 MB
C43	Petrov, Urusov gambit	4	75.0%	62.5%	0.00 MB
B37	Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg7	18	72.2%	47.2%	0.02 MB
C86	Ruy Lopez, Worrall attack	7	71.4%	50.0%	0.01 MB
D81	Gruenfeld, Russian variation	7	71.4%	64.3%	0.01 MB
D69	QGD, Orthodox defence, classical, 13.de	17	70.6%	41.2%	0.01 MB
C48	Four knights, Rubinstein counter-gambit, exchange variation	20	70.0%	60.0%	0.02 MB
B62	Sicilian, Richter-Rauzer, Podvebrady variation	10	70.0%	45.0%	0.01 MB
D94	Gruenfeld, Smyslov defence	31	67.7%	53.2%	0.02 MB
A86	Dutch, Leningrad variation	9	66.7%	55.6%	0.01 MB
A13	English, Romanishin gambit	9	66.7%	55.6%	0.01 MB
E25	Nimzo-Indian, Saemisch variation	9	66.7%	33.3%	0.01 MB
C02	French, advance, Milner-Barry gambit	9	66.7%	55.6%	0.01 MB
A40	Polish defence	6	66.7%	50.0%	0.01 MB
A94	Dutch, stonewall with Ba3	6	66.7%	66.7%	0.01 MB
C92	Ruy Lopez, closed, Keres (9...a5) variation	6	66.7%	50.0%	0.01 MB
D25	QGA, Smyslov variation	6	66.7%	66.7%	0.01 MB
B55	Sicilian, Prins variation, Venice attack	6	66.7%	66.7%	0.01 MB
C27	Boden-Kieseritsky gambit, Lichtenhein defence	3	66.7%	33.3%	0.00 MB
A52	Budapest defence	3	66.7%	66.7%	0.00 MB
C65	Ruy Lopez, Berlin defence, Kaufmann variation	3	66.7%	66.7%	0.00 MB
D94	Gruenfeld with e3 Bd3	3	66.7%	66.7%	0.00 MB
D22	QGA, Haberditz variation	3	66.7%	33.3%	0.00 MB
D01	Richter-Veresov attack, Richter variation	3	66.7%	66.7%	0.00 MB
C51	Evans gambit, Stone-Ware variation	3	66.7%	66.7%	0.00 MB
C41	Philidor, Nimzovich, Sokolsky variation	3	66.7%	66.7%	0.00 MB
D31	QGD, Janowski variation	3	66.7%	33.3%	0.00 MB
A12	English, New York (London) defensive system	3	66.7%	33.3%	0.00 MB
C41	Philidor, Hanham variation	3	66.7%	66.7%	0.01 MB
B90	Sicilian, Najdorf, Adams attack	14	64.3%	60.7%	0.02 MB
A24	English, Bremen system with ...g6	11	63.6%	59.1%	0.01 MB
D35	QGD, exchange, Saemisch variation	32	62.5%	40.6%	0.03 MB
D94	Gruenfeld, Makogonov variation	16	62.5%	43.8%	0.02 MB
D00	Queen's pawn, Mason variation, Steinitz counter-gambit	8	62.5%	68.8%	0.01 MB
A16	English, Anglo-Gruenfeld, Smyslov defense	8	62.5%	68.8%	0.01 MB
C39	KGA, Kieseritsky, Kolisch defence	8	62.5%	56.3%	0.01 MB
A97	Dutch, Ilyin-Genevsky, Winter variation	8	62.5%	56.3%	0.01 MB
C52	Evans gambit, compromised defence, Paulsen variation	10	60.0%	50.0%	0.01 MB
C49	Four knights	10	60.0%	70.0%	0.01 MB
B02	Alekhine's defence, Saemisch attack	5	60.0%	50.0%	0.00 MB
D84	Gruenfeld, Gruenfeld gambit accepted	5	60.0%	50.0%	0.00 MB
E23	Nimzo-Indian, Spielmann, Karlsbad variation	5	60.0%	30.0%	0.01 MB
D16	QGD Slav, Soultanbeieff variation	5	60.0%	70.0%	0.00 MB
E57	Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd	5	60.0%	30.0%	0.00 MB
C90	Ruy Lopez, closed, Lutikov variation	5	60.0%	50.0%	0.01 MB
D64	QGD, Orthodox defence, Rubinstein attack, Wolf variation	5	60.0%	50.0%	0.00 MB
A92	Dutch, stonewall variation	5	60.0%	70.0%	0.01 MB
C83	Ruy Lopez, open, Malkin variation	5	60.0%	70.0%	0.00 MB
B72	Sicilian, dragon, classical attack	5	60.0%	50.0%	0.00 MB
C23	Bishop's opening, Philidor variation	5	60.0%	50.0%	0.00 MB
C13	French, classical	5	60.0%	30.0%	0.00 MB
A52	Budapest, Alekhine, Abonyi variation	5	60.0%	50.0%	0.01 MB
D51	QGD, 5...c6	5	60.0%	50.0%	0.01 MB
C23	Bishop's opening, Philidor counter-attack	27	59.3%	66.7%	0.02 MB
A87	Dutch, Leningrad, main variation	24	58.3%	58.3%	0.02 MB
C15	French, Winawer, Alekhine gambit, Kan variation	24	58.3%	45.8%	0.02 MB
A54	Old Indian, Ukrainian variation	12	58.3%	70.8%	0.01 MB
D30	QGD Slav	31	58.1%	58.1%	0.03 MB
C45	Scotch, Schmidt variation	157	58.0%	42.4%	0.10 MB
C66	Ruy Lopez, closed Berlin defence, Wolf variation	35	57.1%	57.1%	0.03 MB
C77	Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)	14	57.1%	57.1%	0.02 MB
E17	Queen's Indian, 5.Bg2 Be7	7	57.1%	42.9%	0.01 MB
E33	Nimzo-Indian, classical, 4...Nc6	7	57.1%	42.9%	0.01 MB
B25	Sicilian, closed, 6.f4 e5 (Botvinnik)	7	57.1%	57.1%	0.01 MB
C50	Hungarian defence	7	57.1%	42.9%	0.01 MB
B56	Sicilian, Venice attack	23	56.5%	45.7%	0.02 MB
D22	QGA, Alekhine defence	16	56.3%	59.4%	0.01 MB
B19	Caro-Kann, classical, 7...Nd7	16	56.3%	53.1%	0.01 MB
C48	Four knights, Spanish variation	16	56.3%	59.4%	0.02 MB
D73	Neo-Gruenfeld, 5.Nf3	84	56.0%	55.4%	0.07 MB
C81	Ruy Lopez, open, Howell attack	9	55.6%	50.0%	0.01 MB
C79	Ruy Lopez, Steinitz defence deferred, Lipnitsky variation	9	55.6%	61.1%	0.01 MB
A16	English, Anglo-Gruenfeld, Czech defense	9	55.6%	50.0%	0.01 MB
A00	Saragossa opening	9	55.6%	61.1%	0.01 MB
B01	Scandinavian gambit	20	55.0%	57.5%	0.02 MB
D71	Neo-Gruenfeld, 5.cd	20	55.0%	57.5%	0.02 MB
E47	Nimzo-Indian, 4.e3 O-O, 5.Bd3	51	54.9%	58.8%	0.04 MB
D26	QGA, classical variation	266	54.9%	53.0%	0.18 MB
C66	Ruy Lopez, Berlin defence, hedgehog variation	66	54.5%	59.1%	0.05 MB
E22	Nimzo-Indian, Spielmann variation	11	54.5%	54.5%	0.01 MB
D68	QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)	35	54.3%	58.6%	0.03 MB
B04	Alekhine's defence, modern, Keres variation	13	53.8%	65.4%	0.01 MB
A69	Benoni, four pawns attack, main line	13	53.8%	57.7%	0.01 MB
C86	Ruy Lopez, Worrall attack, solid line	15	53.3%	53.3%	0.01 MB
A28	English, Nenarokov variation	15	53.3%	66.7%	0.01 MB
A12	English, Torre defensive system	15	53.3%	46.7%	0.01 MB
C66	Ruy Lopez, closed Berlin defence, Showalter variation	34	52.9%	61.8%	0.03 MB
E67	King's Indian, fianchetto with ...Nd7	19	52.6%	57.9%	0.02 MB
B32	Sicilian, Labourdonnais-Loewenthal variation	42	52.4%	57.1%	0.04 MB
C43	Petrov, modern attack, Trifunovic variation	21	52.4%	50.0%	0.02 MB
A19	English, Mikenas-Carls, Sicilian variation	21	52.4%	50.0%	0.02 MB
E53	Nimzo-Indian, 4.e3, Keres variation	21	52.4%	64.3%	0.02 MB
D28	QGA, classical, 7.Qe2	25	52.0%	54.0%	0.02 MB
E92	King's Indian, Andersson variation	29	51.7%	50.0%	0.02 MB
C54	Giuoco Piano	31	51.6%	48.4%	0.02 MB
B13	Caro-Kann, Panov-Botvinnik attack	103	51.5%	51.9%	0.08 MB
D62	QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)	35	51.4%	68.6%	0.03 MB
D02	Queen's pawn game, Chigorin variation	43	51.2%	48.8%	0.04 MB
D87	Gruenfeld, exchange, Seville variation	45	51.1%	58.9%	0.03 MB
B09	Pirc, Austrian attack, dragon formation	49	51.0%	62.2%	0.04 MB
C09	French, Tarrasch, open variation, main line	310	50.6%	56.3%	0.21 MB
C08	French, Tarrasch, open, 4.ed ed	303	50.5%	53.3%	0.20 MB
E34	Nimzo-Indian, classical, Noa variation	159	50.3%	50.3%	0.11 MB
C46	Four knights game	104	50.0%	52.9%	0.08 MB
E25	Nimzo-Indian, Saemisch, Keres variation	60	50.0%	51.7%	0.04 MB
D61	QGD, Orthodox defence, Rubinstein variation	48	50.0%	54.2%	0.04 MB
E49	Nimzo-Indian, 4.e3, Botvinnik system	38	50.0%	64.5%	0.03 MB
D64	QGD, Orthodox defence, Rubinstein attack (with Rc1)	36	50.0%	55.6%	0.03 MB
D05	Queen's pawn game, Rubinstein (Colle-Zukertort) variation	22	50.0%	52.3%	0.02 MB
D55	QGD, Neo-orthodox variation, 7.Bh4	18	50.0%	63.9%	0.02 MB
E65	King's Indian, fianchetto, Yugoslav, 7.O-O	18	50.0%	52.8%	0.01 MB
B21	Sicilian, Smith-Morra gambit	18	50.0%	58.3%	0.02 MB
D27	QGA, classical, Geller variation	18	50.0%	58.3%	0.01 MB
E24	Nimzo-Indian, Saemisch variation	16	50.0%	31.3%	0.01 MB
E90	King's Indian, Larsen variation	16	50.0%	56.3%	0.02 MB
A12	English, Caro-Kann defensive system	12	50.0%	50.0%	0.01 MB
C29	Vienna gambit, Breyer variation	12	50.0%	75.0%	0.01 MB
D25	QGA, 4.e3	12	50.0%	50.0%	0.01 MB
A12	English, Capablanca's variation	12	50.0%	41.7%	0.01 MB
D05	Colle system	12	50.0%	66.7%	0.01 MB
D00	Queen's pawn, Chigorin variation	12	50.0%	58.3%	0.01 MB
B96	Sicilian, Najdorf, Polugayevsky variation	12	50.0%	41.7%	0.01 MB
D52	QGD	12	50.0%	50.0%	0.01 MB
C65	Ruy Lopez, Berlin defence, Nyholm attack	10	50.0%	55.0%	0.01 MB
A00	Amar (Paris) opening	10	50.0%	35.0%	0.01 MB
B01	Scandinavian, Icelandic gambit	10	50.0%	55.0%	0.01 MB
E83	King's Indian, Saemisch, Panno formation	8	50.0%	50.0%	0.01 MB
C96	Ruy Lopez, closed (8...Na5)	8	50.0%	62.5%	0.01 MB
C56	Two knights defence	8	50.0%	50.0%	0.01 MB
C71	Ruy Lopez, modern Steinitz defence, Three knights variation	8	50.0%	50.0%	0.01 MB
C46	Four knights, Gunsberg variation	8	50.0%	37.5%	0.01 MB
C95	Ruy Lopez, closed, Breyer, Simagin variation	8	50.0%	62.5%	0.01 MB
A61	Benoni, Uhlmann variation	8	50.0%	50.0%	0.01 MB
C00	French, Reti (Spielmann) variation	8	50.0%	50.0%	0.01 MB
C49	Four knights, symmetrical, Capablanca variation	6	50.0%	58.3%	0.01 MB
C25	Vienna gambit	6	50.0%	58.3%	0.01 MB
D26	QGA, classical, Steinitz variation	6	50.0%	75.0%	0.01 MB
D48	QGD semi-Slav, Meran, Pirc variation	6	50.0%	58.3%	0.01 MB
E81	King's Indian, Saemisch, Byrne variation	6	50.0%	75.0%	0.01 MB
C44	Ponziani counter-gambit	6	50.0%	41.7%	0.00 MB
B73	Sicilian, dragon, classical, Zollner gambit	6	50.0%	58.3%	0.01 MB
B03	Alekhine's defence, O'Sullivan gambit	4	50.0%	50.0%	0.00 MB
A17	English, Queens Indian, Romanishin variation	4	50.0%	50.0%	0.00 MB
B23	Sicilian, Grand Prix attack, Schofman variation	4	50.0%	50.0%	0.00 MB
C25	Vienna, Paulsen variation	4	50.0%	75.0%	0.00 MB
A21	English, Keres variation	4	50.0%	25.0%	0.00 MB
B57	Sicilian, Magnus Smith trap	4	50.0%	25.0%	0.00 MB
B12	Caro-Kann, Edinburgh variation	4	50.0%	25.0%	0.00 MB
B03	Alekhine's defence	4	50.0%	75.0%	0.00 MB
B15	Caro-Kann, Rasa-Studier gambit	4	50.0%	25.0%	0.00 MB
D52	QGD, Cambridge Springs defence, 7.cd	4	50.0%	50.0%	0.01 MB
C47	Four knights, Scotch variation	4	50.0%	50.0%	0.00 MB
C82	Ruy Lopez, open, Motzko attack	4	50.0%	50.0%	0.00 MB
B72	Sicilian, dragon, classical, Amsterdam variation	4	50.0%	50.0%	0.00 MB
D99	Gruenfeld defence, Smyslov, Yugoslav variation	4	50.0%	50.0%	0.00 MB
A00	Durkin's attack	4	50.0%	25.0%	0.00 MB
B12	Caro-Kann, advance, Short variation	4	50.0%	75.0%	0.00 MB
A92	Dutch defence	4	50.0%	75.0%	0.00 MB
B72	Sicilian, dragon, classical, Nottingham variation	2	50.0%	75.0%	0.00 MB
A44	Semi-Benoni (`blockade variation')	2	50.0%	75.0%	0.00 MB
E85	King's Indian, Saemisch, orthodox variation	2	50.0%	25.0%	0.00 MB
C33	KGA, bishop's gambit, Gifford variation	2	50.0%	75.0%	0.00 MB
D68	QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)	2	50.0%	25.0%	0.00 MB
C13	French, Albin-Alekhine-Chatard attack, Teichmann variation	2	50.0%	75.0%	0.00 MB
A43	Old Benoni, Franco-Benoni defence	2	50.0%	25.0%	0.00 MB
B80	Sicilian, Scheveningen, Vitolins variation	2	50.0%	25.0%	0.00 MB
C84	Ruy Lopez, closed, Basque gambit (North Spanish variation)	2	50.0%	25.0%	0.00 MB
C48	Four knights, Ranken variation	2	50.0%	75.0%	0.00 MB
C27	Vienna, Alekhine variation	2	50.0%	75.0%	0.00 MB
C64	Ruy Lopez, classical defence, Charousek variation	2	50.0%	75.0%	0.00 MB
C30	KGD, 2...Nf6	2	50.0%	25.0%	0.00 MB
C21	Danish gambit	2	50.0%	75.0%	0.00 MB
A04	Reti, Lisitsin gambit deferred	2	50.0%	25.0%	0.00 MB
B20	Sicilian, wing gambit	2	50.0%	75.0%	0.00 MB
E11	Bogo-Indian defence, Monticelli trap	2	50.0%	25.0%	0.00 MB
B18	Caro-Kann, classical, Maroczy attack	2	50.0%	25.0%	0.00 MB
B22	Sicilian, 2.c3, Heidenfeld variation	2	50.0%	75.0%	0.00 MB
E25	Nimzo-Indian, Saemisch, Romanovsky variation	2	50.0%	25.0%	0.00 MB
D83	Gruenfeld, Gruenfeld gambit, Botvinnik variation	2	50.0%	75.0%	0.00 MB
D31	QGD, Alapin variation	2	50.0%	75.0%	0.00 MB
E27	Nimzo-Indian, Saemisch variation	2	50.0%	25.0%	0.00 MB
D95	Gruenfeld with e3 & Qb3	2	50.0%	75.0%	0.00 MB
C20	KP, Lopez opening	2	50.0%	25.0%	0.00 MB
C59	Two knights defence, Goering variation	2	50.0%	25.0%	0.00 MB
A25	English, closed, Hort variation	2	50.0%	25.0%	0.00 MB
D33	QGD, Tarrasch, Wagner variation	2	50.0%	75.0%	0.00 MB
C67	Ruy Lopez, open Berlin defence, Showalter variation	2	50.0%	25.0%	0.00 MB
D45	QGD semi-Slav, stonewall defence	2	50.0%	75.0%	0.00 MB
C80	Ruy Lopez, open, Schlechter defence	2	50.0%	25.0%	0.00 MB
C45	Scotch, Tartakower variation	2	50.0%	25.0%	0.00 MB
B00	Lemming defence	2	50.0%	25.0%	0.00 MB
C40	QP counter-gambit (elephant gambit)	2	50.0%	75.0%	0.00 MB
B13	Caro-Kann, Panov-Botvinnik, Czerniak variation	2	50.0%	25.0%	0.00 MB
D52	QGD, Cambridge Springs defence, Capablanca variation	2	50.0%	75.0%	0.00 MB
B27	Sicilian defence	2	50.0%	75.0%	0.00 MB
A28	English, four knights, Romanishin variation	111	49.5%	56.3%	0.08 MB
D34	QGD, Tarrasch, Prague variation, 9.Bg5	220	49.1%	56.4%	0.14 MB
A14	English, Symmetrical, Keres defence	137	48.9%	55.8%	0.10 MB
C89	Ruy Lopez, Marshall, main line, 12.d2d4	45	48.9%	48.9%	0.03 MB
D77	Neo-Gruenfeld, 6.O-O	113	48.7%	53.5%	0.08 MB
A09	Reti opening	35	48.6%	55.7%	0.03 MB
B01	Scandinavian, Pytel-Wade variation	31	48.4%	53.2%	0.03 MB
D67	QGD, Orthodox defence, Bd3 line, Alekhine variation	31	48.4%	56.5%	0.02 MB
A30	English, symmetrical, hedgehog, flexible formation	89	48.3%	53.4%	0.06 MB
E62	King's Indian, fianchetto, lesser Simagin (Spassky) variation	29	48.3%	55.2%	0.02 MB
D39	QGD, Ragozin, Vienna variation	567	48.1%	53.2%	0.33 MB
A55	Old Indian, main line	81	48.1%	63.6%	0.06 MB
D92	Gruenfeld, 5.Bf4	131	48.1%	57.6%	0.08 MB
C47	Four knights, Scotch, 4...exd4	73	47.9%	50.0%	0.06 MB
A39	English, symmetrical, main line with d4	170	47.6%	57.4%	0.11 MB
D85	Gruenfeld, modern exchange variation	1029	47.4%	53.7%	0.64 MB
D94	Gruenfeld, 5.e3	104	47.1%	55.3%	0.07 MB
C07	French, Tarrasch, open variation	639	47.1%	50.9%	0.43 MB
E55	Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation	968	47.0%	54.8%	0.63 MB
D93	Gruenfeld with Bf4 e3	66	47.0%	58.3%	0.05 MB
D15	QGD Slav, Schlechter variation	49	46.9%	58.2%	0.04 MB
D32	QGD, Tarrasch defence	49	46.9%	60.2%	0.04 MB
D47	QGD semi-Slav, Meran variation	241	46.9%	55.8%	0.16 MB
D55	QGD, Petrosian variation	143	46.9%	56.3%	0.10 MB
B13	Caro-Kann, exchange variation	111	46.8%	50.5%	0.08 MB
B57	Sicilian, Sozin, not Scheveningen	30	46.7%	56.7%	0.03 MB
D41	QGD, Semi-Tarrasch, 5.cd	88	46.6%	52.8%	0.06 MB
D06	QGD, Marshall defence	43	46.5%	60.5%	0.03 MB
E18	Queen's Indian, old main line, 7.Nc3	342	46.5%	59.8%	0.21 MB
D00	Queen's pawn game	28	46.4%	48.2%	0.02 MB
D41	QGD, Semi-Tarrasch with e3	28	46.4%	58.9%	0.02 MB
D88	Gruenfeld, Spassky variation, main line, 10...cd, 11.cd	28	46.4%	55.4%	0.02 MB
D30	QGD	69	46.4%	55.1%	0.05 MB
D52	QGD, Cambridge Springs defence, Bogoljubow variation	95	46.3%	54.7%	0.07 MB
D52	QGD, Cambridge Springs defence, Yugoslav variation	80	46.3%	56.9%	0.06 MB
D99	Gruenfeld defence, Smyslov, main line	65	46.2%	58.5%	0.04 MB
A54	Old Indian, Ukrainian variation, 4.Nf3	13	46.2%	61.5%	0.01 MB
D33	QGD, Tarrasch, Prague variation	13	46.2%	53.8%	0.01 MB
A05	Reti, King's Indian attack, Reti-Smyslov variation	13	46.2%	53.8%	0.01 MB
D86	Gruenfeld, exchange, classical variation	137	46.0%	55.8%	0.10 MB
C92	Ruy Lopez, closed, 9.h3	124	46.0%	51.2%	0.09 MB
D98	Gruenfeld, Russian, Smyslov variation	61	45.9%	63.9%	0.04 MB
B52	Sicilian, Canal-Sokolsky attack, 3...Bd7	133	45.9%	53.0%	0.10 MB
A13	English, Neo-Catalan accepted	72	45.8%	54.9%	0.06 MB
D27	QGA, classical, 6...a6	631	45.8%	54.6%	0.41 MB
D76	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6	105	45.7%	55.2%	0.08 MB
A09	Reti accepted	35	45.7%	45.7%	0.03 MB
D79	Neo-Gruenfeld, 6.O-O, main line	46	45.7%	53.3%	0.04 MB
B36	Sicilian, accelerated fianchetto, Maroczy bind	121	45.5%	55.0%	0.09 MB
C44	Scotch, Lolli variation	11	45.5%	50.0%	0.01 MB
B02	Alekhine's defence, Two pawns' (Lasker's) attack	11	45.5%	59.1%	0.01 MB
D58	QGD, Tartakower (Makagonov-Bondarevsky) system	2581	45.4%	52.5%	1.69 MB
E06	Catalan, closed, 5.Nf3	534	45.3%	53.0%	0.37 MB
B18	Caro-Kann, classical variation	106	45.3%	51.9%	0.08 MB
B97	Sicilian, Najdorf, Poisoned pawn variation	437	45.1%	48.9%	0.22 MB
C70	Ruy Lopez, Classical defence deferred	60	45.0%	54.2%	0.05 MB
A42	Modern defence, Averbakh system	20	45.0%	62.5%	0.02 MB
A52	Budapest, Adler variation	20	45.0%	47.5%	0.02 MB
D26	QGA, 4...e6	89	44.9%	53.9%	0.06 MB
B39	Sicilian, accelerated fianchetto, Breyer variation	89	44.9%	53.9%	0.07 MB
C26	Vienna, Paulsen-Mieses variation	49	44.9%	46.9%	0.04 MB
A13	English opening, Agincourt variation	156	44.9%	53.8%	0.13 MB
C41	Philidor's defence	38	44.7%	53.9%	0.03 MB
B20	Sicilian, Steinitz variation	132	44.7%	46.6%	0.09 MB
C21	Centre game	56	44.6%	70.5%	0.04 MB
E54	Nimzo-Indian, 4.e3, Gligoric system with 7...dc	204	44.6%	55.6%	0.13 MB
C77	Ruy Lopez, Anderssen variation	72	44.4%	55.6%	0.06 MB
B08	Pirc, classical, h3 system	45	44.4%	48.9%	0.04 MB
A10	English, Adorjan defence	18	44.4%	61.1%	0.02 MB
D67	QGD, Orthodox defence, Bd3 line	18	44.4%	44.4%	0.02 MB
D50	QGD, 4.Bg5	18	44.4%	50.0%	0.02 MB
D70	Neo-Gruenfeld defence	18	44.4%	44.4%	0.01 MB
D26	QGA, classical variation, 6.O-O	9	44.4%	44.4%	0.01 MB
D64	QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation	9	44.4%	44.4%	0.01 MB
C02	French, advance, Nimzovich system	9	44.4%	33.3%	0.01 MB
D46	QGD semi-Slav, 6.Bd3	9	44.4%	55.6%	0.01 MB
C07	French, Tarrasch, Eliskases variation	9	44.4%	44.4%	0.01 MB
C55	Two knights defence	9	44.4%	66.7%	0.01 MB
B72	Sicilian, dragon, 6.Be3	9	44.4%	44.4%	0.01 MB
A00	Benko's opening, reversed Alekhine	9	44.4%	44.4%	0.01 MB
D27	QGA, classical, Rubinstein variation	587	44.3%	55.2%	0.38 MB
B14	Caro-Kann, Panov-Botvinnik attack, 5...e6	445	44.3%	54.0%	0.29 MB
E17	Queen's Indian, Opovcensky variation	138	44.2%	57.6%	0.09 MB
A13	English, Neo-Catalan	34	44.1%	63.2%	0.03 MB
E76	King's Indian, Four pawns attack	25	44.0%	66.0%	0.02 MB
D96	Gruenfeld, Russian variation	25	44.0%	62.0%	0.02 MB
A05	Reti, King's Indian attack	116	44.0%	53.0%	0.08 MB
A11	English, Caro-Kann defensive system	148	43.9%	56.4%	0.09 MB
B77	Sicilian, dragon, Yugoslav attack, 9...Bd7	41	43.9%	53.7%	0.03 MB
D59	QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5	41	43.9%	48.8%	0.03 MB
A17	English opening	41	43.9%	53.7%	0.03 MB
A14	English, Neo-Catalan declined	57	43.9%	46.5%	0.04 MB
B10	Caro-Kann, Two knights variation	57	43.9%	60.5%	0.04 MB
B14	Caro-Kann, Panov-Botvinnik attack, 5...g6	57	43.9%	51.8%	0.04 MB
D82	Gruenfeld, 4.Bf4	73	43.8%	56.2%	0.05 MB
B83	Sicilian, modern Scheveningen, main line	121	43.8%	56.6%	0.09 MB
D97	Gruenfeld, Russian, Prins variation	169	43.8%	58.0%	0.12 MB
B93	Sicilian, Najdorf, 6.f4	352	43.8%	50.9%	0.23 MB
D78	Neo-Gruenfeld, 6.O-O c6	128	43.8%	52.3%	0.09 MB
C42	Petrov, Nimzovich attack	64	43.8%	64.1%	0.05 MB
A07	Reti, King's Indian attack (with ...c5)	64	43.8%	54.7%	0.05 MB
D35	QGD, exchange variation	32	43.8%	50.0%	0.03 MB
C50	Giuoco Piano	32	43.8%	50.0%	0.03 MB
D52	QGD, Cambridge Springs defence, Rubinstein variation	32	43.8%	50.0%	0.03 MB
C12	French, MacCutcheon, Janowski variation	16	43.8%	65.6%	0.01 MB
C42	Petrov, classical attack, Jaenisch variation	632	43.7%	59.5%	0.40 MB
D49	QGD semi-Slav, Meran, Stahlberg variation	55	43.6%	43.6%	0.04 MB
C83	Ruy Lopez, open, classical defence	39	43.6%	50.0%	0.03 MB
B07	Pirc, 150 attack	62	43.5%	57.3%	0.04 MB
C00	French defence, Steiner variation	138	43.5%	50.0%	0.10 MB
A52	Budapest, Rubinstein variation	115	43.5%	66.1%