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
A00	Amar (Paris) opening	18	44.4%	33.3%	0.02 MB
A00	Amar gambit	1	0.0%	0.0%	0.00 MB
A00	Amsterdam attack	1	0.0%	100.0%	0.00 MB
A00	Anderssen's opening	417	42.0%	50.5%	0.27 MB
A00	Anti-Borg (Desprez) opening	3	0.0%	33.3%	0.00 MB
A00	Battambang opening	16	31.3%	46.9%	0.01 MB
A00	Benko's opening	6894	42.1%	52.3%	4.23 MB
A00	Benko's opening, reversed Alekhine	115	42.6%	48.3%	0.08 MB
A00	Clemenz (Mead's, Basman's or de Klerk's) opening	41	36.6%	40.2%	0.03 MB
A00	Dunst (Sleipner, Heinrichsen) opening	1806	35.9%	49.2%	1.09 MB
A00	Durkin's attack	8	37.5%	31.3%	0.01 MB
A00	Global opening	4	25.0%	62.5%	0.00 MB
A00	Grob's attack	186	43.5%	34.7%	0.12 MB
A00	Grob, Fritz gambit	51	43.1%	27.5%	0.03 MB
A00	Grob, Romford counter-gambit	4	25.0%	62.5%	0.00 MB
A00	Grob, spike attack	6	33.3%	33.3%	0.01 MB
A00	Lasker simul special	3	33.3%	50.0%	0.00 MB
A00	Mieses opening	167	32.3%	50.9%	0.12 MB
A00	Novosibirsk opening	21	33.3%	50.0%	0.02 MB
A00	Polish (Sokolsky) opening	1825	39.2%	48.9%	1.16 MB
A00	Polish, Outflank variation	141	44.0%	48.9%	0.11 MB
A00	Saragossa opening	362	30.4%	50.6%	0.25 MB
A00	Van't Kruijs opening	507	40.8%	51.2%	0.33 MB
A00	Ware (Meadow Hay) opening	5	40.0%	60.0%	0.00 MB
A01	Nimzovich-Larsen attack	713	36.7%	53.4%	0.46 MB
A01	Nimzovich-Larsen attack, Dutch variation	15	26.7%	46.7%	0.01 MB
A01	Nimzovich-Larsen attack, English variation	261	33.3%	51.1%	0.18 MB
A01	Nimzovich-Larsen attack, Indian variation	309	34.6%	48.7%	0.21 MB
A01	Nimzovich-Larsen attack, Polish variation	4	25.0%	62.5%	0.00 MB
A01	Nimzovich-Larsen attack, classical variation	1239	35.8%	49.4%	0.81 MB
A01	Nimzovich-Larsen attack, modern variation	3195	40.2%	50.8%	1.96 MB
A01	Nimzovich-Larsen attack, symmetrical variation	703	41.8%	49.6%	0.44 MB
A02	Bird's opening	3170	36.3%	49.1%	1.92 MB
A02	Bird's opening, Swiss gambit	2	50.0%	75.0%	0.00 MB
A02	Bird, From gambit	163	36.2%	50.6%	0.10 MB
A02	Bird, From gambit, Lasker variation	29	55.2%	58.6%	0.02 MB
A02	Bird, From gambit, Lipke variation	1	0.0%	0.0%	0.00 MB
A02	Bird, Hobbs gambit	5	60.0%	70.0%	0.00 MB
A03	Bird's opening	3104	35.9%	47.7%	1.92 MB
A03	Bird's opening, Lasker variation	110	29.1%	46.4%	0.08 MB
A03	Bird's opening, Williams gambit	29	37.9%	63.8%	0.02 MB
A03	Mujannah opening	4	50.0%	25.0%	0.01 MB
A04	Reti opening	7831	38.3%	54.2%	4.90 MB
A04	Reti v Dutch	1064	34.8%	58.7%	0.69 MB
A04	Reti, Herrstroem gambit	2	0.0%	100.0%	0.00 MB
A04	Reti, Lisitsin gambit deferred	24	29.2%	68.8%	0.02 MB
A04	Reti, Pirc-Lisitsin gambit	129	27.9%	49.6%	0.09 MB
A04	Reti, Wade defence	2	0.0%	50.0%	0.00 MB
A05	Reti opening	3664	37.1%	53.4%	2.35 MB
A05	Reti, King's Indian attack	1227	39.9%	53.6%	0.79 MB
A05	Reti, King's Indian attack, Reti-Smyslov variation	61	37.7%	54.9%	0.04 MB
A05	Reti, King's Indian attack, Spassky's variation	352	43.8%	53.1%	0.24 MB
A06	Reti opening	629	37.4%	53.0%	0.42 MB
A06	Reti, Nimzovich-Larsen attack	3406	41.7%	49.5%	2.16 MB
A06	Reti, old Indian attack	102	28.4%	48.5%	0.08 MB
A06	Santasiere's folly	128	40.6%	42.2%	0.09 MB
A06	Tennison (Lemberg, Zukertort) gambit	22	54.5%	40.9%	0.02 MB
A07	Reti, King's Indian attack	2430	41.5%	52.9%	1.52 MB
A07	Reti, King's Indian attack (Barcza system)	4780	41.3%	53.5%	3.08 MB
A07	Reti, King's Indian attack (with ...c5)	189	42.9%	48.4%	0.13 MB
A07	Reti, King's Indian attack, Keres variation	729	34.4%	54.7%	0.49 MB
A07	Reti, King's Indian attack, Pachman system	119	37.0%	52.9%	0.08 MB
A07	Reti, King's Indian attack, Yugoslav variation	1676	40.0%	53.0%	1.09 MB
A08	Reti, King's Indian attack	557	42.4%	52.6%	0.38 MB
A08	Reti, King's Indian attack, French variation	264	37.1%	48.9%	0.18 MB
A09	Reti accepted	269	39.4%	53.2%	0.20 MB
A09	Reti accepted, Keres variation	42	31.0%	67.9%	0.03 MB
A09	Reti opening	645	39.1%	53.5%	0.42 MB
A09	Reti, advance variation	919	39.2%	48.5%	0.59 MB
A10	English opening	2756	38.0%	54.8%	1.73 MB
A10	English, Adorjan defence	486	38.3%	53.5%	0.30 MB
A10	English, Anglo-Dutch defense	712	33.7%	52.4%	0.47 MB
A10	English, Jaenisch gambit	2	0.0%	100.0%	0.00 MB
A11	English, Caro-Kann defensive system	1375	40.1%	53.8%	0.89 MB
A12	English, Bled variation	17	41.2%	61.8%	0.01 MB
A12	English, Capablanca's variation	76	34.2%	47.4%	0.06 MB
A12	English, Caro-Kann defensive system	224	37.1%	48.4%	0.15 MB
A12	English, Caro-Kann defensive system, Bogolyubov variation	86	46.5%	53.5%	0.07 MB
A12	English, London defensive system	126	42.1%	52.0%	0.09 MB
A12	English, New York (London) defensive system	34	52.9%	44.1%	0.03 MB
A12	English, Torre defensive system	44	38.6%	58.0%	0.03 MB
A13	English opening	1987	36.7%	52.1%	1.31 MB
A13	English opening, Agincourt variation	1326	40.0%	53.9%	0.89 MB
A13	English, Kurajica defence	78	34.6%	57.1%	0.06 MB
A13	English, Neo-Catalan	738	40.9%	53.1%	0.47 MB
A13	English, Neo-Catalan accepted	1139	45.9%	56.2%	0.75 MB
A13	English, Romanishin gambit	267	40.8%	56.4%	0.18 MB
A13	English, Wimpey system	126	42.1%	51.2%	0.08 MB
A14	English, Neo-Catalan declined	818	43.4%	54.2%	0.54 MB
A14	English, Symmetrical, Keres defence	529	47.6%	57.1%	0.35 MB
A15	English opening	11382	43.1%	53.4%	6.82 MB
A15	English, 1...Nf6 (Anglo-Indian defense)	1160	40.3%	54.5%	0.74 MB
A16	English opening	1317	35.7%	53.5%	0.84 MB
A16	English, Anglo-Gruenfeld defense	254	42.5%	53.5%	0.17 MB
A16	English, Anglo-Gruenfeld defense, Korchnoi variation	88	36.4%	58.0%	0.06 MB
A16	English, Anglo-Gruenfeld, Czech defense	174	33.9%	63.5%	0.11 MB
A16	English, Anglo-Gruenfeld, Smyslov defense	158	32.3%	56.0%	0.10 MB
A17	English opening	221	38.5%	52.7%	0.15 MB
A17	English, Nimzo-English opening	1831	39.4%	53.5%	1.16 MB
A17	English, Queens Indian formation	242	36.8%	60.5%	0.16 MB
A17	English, Queens Indian, Romanishin variation	62	27.4%	60.5%	0.05 MB
A18	English, Mikenas-Carls variation	187	37.4%	57.8%	0.13 MB
A18	English, Mikenas-Carls, Flohr variation	339	40.1%	58.7%	0.22 MB
A18	English, Mikenas-Carls, Kevitz variation	24	29.2%	47.9%	0.02 MB
A19	English, Mikenas-Carls, Sicilian variation	374	41.7%	54.5%	0.25 MB
A20	English opening	5707	38.2%	54.3%	3.55 MB
A20	English, Nimzovich variation	70	38.6%	59.3%	0.06 MB
A20	English, Nimzovich, Flohr variation	164	36.6%	46.3%	0.12 MB
A21	English opening	1501	33.1%	55.5%	0.96 MB
A21	English, Keres variation	12	25.0%	45.8%	0.01 MB
A21	English, Kramnik-Shirov counterattack	2136	40.4%	52.3%	1.36 MB
A21	English, Smyslov defence	36	30.6%	59.7%	0.03 MB
A21	English, Troeger defence	133	28.6%	53.4%	0.09 MB
A22	English opening	741	37.5%	51.0%	0.49 MB
A22	English, Bellon gambit	13	38.5%	57.7%	0.01 MB
A22	English, Bremen, Smyslov system	1541	39.0%	48.8%	0.98 MB
A22	English, Bremen, reverse dragon	668	40.1%	50.6%	0.44 MB
A22	English, Carls' Bremen system	427	40.0%	54.0%	0.29 MB
A23	English, Bremen system, Keres variation	620	40.2%	48.3%	0.42 MB
A24	English, Bremen system with ...g6	166	39.8%	48.2%	0.12 MB
A25	English, Sicilian reversed	817	34.6%	52.8%	0.52 MB
A25	English, closed system	759	34.4%	54.3%	0.49 MB
A25	English, closed system (without ...d6)	119	27.7%	55.0%	0.09 MB
A25	English, closed, 5.Rb1	448	40.4%	52.8%	0.29 MB
A25	English, closed, 5.Rb1 Taimanov variation	8	25.0%	50.0%	0.01 MB
A25	English, closed, Hort variation	36	36.1%	54.2%	0.03 MB
A25	English, closed, Taimanov variation	24	12.5%	64.6%	0.02 MB
A26	English, Botvinnik system	329	37.1%	52.3%	0.22 MB
A26	English, closed system	312	37.2%	51.6%	0.21 MB
A27	English, three knights system	644	35.7%	53.1%	0.44 MB
A28	English, Bradley Beach variation	52	21.2%	37.5%	0.04 MB
A28	English, Nenarokov variation	120	40.0%	51.7%	0.08 MB
A28	English, four knights system	359	43.7%	51.4%	0.25 MB
A28	English, four knights, 4.e3	1008	37.0%	51.8%	0.65 MB
A28	English, four knights, Capablanca variation	466	36.3%	54.0%	0.31 MB
A28	English, four knights, Marini variation	833	39.3%	51.1%	0.54 MB
A28	English, four knights, Nimzovich variation	551	33.2%	54.7%	0.38 MB
A28	English, four knights, Romanishin variation	455	50.1%	52.3%	0.31 MB
A28	English, four knights, Stean variation	83	42.2%	59.6%	0.06 MB
A29	English, four knights, kingside fianchetto	6172	40.8%	51.9%	3.79 MB
A30	English, symmetrical variation	3088	39.7%	54.8%	1.95 MB
A30	English, symmetrical, hedgehog system	2635	46.8%	55.7%	1.65 MB
A30	English, symmetrical, hedgehog, flexible formation	176	43.2%	54.5%	0.12 MB
A31	English, symmetrical, Benoni formation	997	40.4%	56.0%	0.65 MB
A32	English, symmetrical variation	405	43.2%	57.9%	0.27 MB
A33	English, symmetrical variation	1565	47.0%	54.3%	0.99 MB
A33	English, symmetrical, Geller variation	628	38.5%	53.8%	0.38 MB
A34	English, symmetrical variation	1056	39.8%	54.5%	0.69 MB
A34	English, symmetrical, Rubinstein system	387	38.2%	52.5%	0.25 MB
A34	English, symmetrical, three knights system	1240	43.3%	54.4%	0.77 MB
A35	English, symmetrical variation	238	35.7%	51.5%	0.18 MB
A35	English, symmetrical, four knights system	2102	43.6%	53.5%	1.33 MB
A36	English, symmetrical variation	117	35.9%	53.8%	0.08 MB
A36	English, symmetrical, Botvinnik system	159	35.8%	51.3%	0.11 MB
A36	English, symmetrical, Botvinnik system reversed	83	41.0%	54.2%	0.06 MB
A36	English, ultra-symmetrical variation	1361	38.1%	52.7%	0.85 MB
A37	English, symmetrical variation	998	41.2%	50.5%	0.63 MB
A37	English, symmetrical, Botvinnik system reversed	750	37.6%	50.9%	0.49 MB
A38	English, symmetrical variation	529	45.0%	55.2%	0.35 MB
A38	English, symmetrical, main line with b3	1	100.0%	50.0%	0.00 MB
A38	English, symmetrical, main line with d3	154	46.8%	53.2%	0.11 MB
A39	English, symmetrical, main line with d4	435	41.4%	57.0%	0.29 MB
A40	Beefeater defence	36	27.8%	66.7%	0.02 MB
A40	Modern defence	1008	37.2%	57.3%	0.67 MB
A40	Polish defence	64	42.2%	53.9%	0.05 MB
A40	Queen's pawn	2217	37.0%	55.1%	1.44 MB
A40	Queen's pawn, Charlick (Englund) gambit	26	42.3%	59.6%	0.02 MB
A40	Queen's pawn, English defence	201	42.8%	60.7%	0.14 MB
A40	Queen's pawn, Franco-Indian (Keres) defence	1142	38.6%	56.2%	0.72 MB
A40	Queen's pawn, Keres defence	1818	43.7%	56.0%	1.11 MB
A40	Queen's pawn, Lundin (Kevitz-Mikenas) defence	169	29.0%	56.5%	0.12 MB
A41	Modern defence	85	31.8%	58.2%	0.06 MB
A41	Old Indian defence	854	32.0%	54.5%	0.55 MB
A41	Old Indian, Tartakower (Wade) variation	1019	34.5%	61.2%	0.66 MB
A41	Queen's Pawn	2007	35.7%	54.7%	1.30 MB
A41	Robatsch defence, Rossolimo variation	144	36.8%	50.3%	0.11 MB
A42	Modern defence, Averbakh system	438	32.9%	58.7%	0.28 MB
A42	Modern defence, Averbakh system, Kotov variation	119	24.4%	66.0%	0.08 MB
A42	Modern defence, Averbakh system, Randspringer variation	11	9.1%	77.3%	0.01 MB
A42	Pterodactyl defence	320	36.9%	63.8%	0.21 MB
A43	Hawk (Habichd) defence	3	66.7%	33.3%	0.00 MB
A43	Old Benoni defence	1553	35.1%	58.2%	0.98 MB
A43	Old Benoni, Franco-Benoni defence	123	39.8%	58.9%	0.08 MB
A43	Old Benoni, Mujannah formation	41	39.0%	65.9%	0.03 MB
A43	Old Benoni, Schmid's system	25	20.0%	58.0%	0.02 MB
A44	Old Benoni defence	26	38.5%	61.5%	0.02 MB
A44	Semi-Benoni (`blockade variation')	146	28.1%	59.2%	0.10 MB
A45	Blackmar-Diemer gambit	201	28.4%	51.0%	0.13 MB
A45	Canard opening	13	38.5%	26.9%	0.01 MB
A45	Paleface attack	34	35.3%	47.1%	0.02 MB
A45	Queen's pawn game	2402	38.6%	54.0%	1.57 MB
A45	Queen's pawn, Bronstein gambit	12	33.3%	50.0%	0.01 MB
A45	Trompovsky attack (Ruth, Opovcensky opening)	4088	35.9%	52.5%	2.52 MB
A46	Queen's pawn game	3158	40.6%	54.7%	2.03 MB
A46	Queen's pawn, Torre attack	1383	36.6%	52.2%	0.86 MB
A46	Queen's pawn, Torre attack, Wagner gambit	8	25.0%	62.5%	0.01 MB
A46	Queen's pawn, Yusupov-Rubinstein system	796	40.8%	52.8%	0.53 MB
A47	Queen's Indian defence	522	38.5%	52.2%	0.36 MB
A47	Queen's Indian, Marienbad system	82	37.8%	54.3%	0.06 MB
A47	Queen's Indian, Marienbad system, Berg variation	15	60.0%	56.7%	0.01 MB
A48	King's Indian, East Indian defence	868	38.0%	51.7%	0.58 MB
A48	King's Indian, London system	1121	38.4%	53.9%	0.73 MB
A48	King's Indian, Torre attack	1644	39.2%	49.6%	1.06 MB
A49	King's Indian, fianchetto without c4	1188	39.7%	57.0%	0.76 MB
A50	Kevitz-Trajkovich defence	394	35.8%	56.0%	0.27 MB
A50	Queen's Indian accelerated	203	47.8%	57.9%	0.14 MB
A50	Queen's pawn game	659	37.8%	55.8%	0.45 MB
A51	Budapest defence declined	9	33.3%	72.2%	0.01 MB
A51	Budapest, Fajarowicz variation	59	33.9%	62.7%	0.05 MB
A51	Budapest, Fajarowicz, Steiner variation	5	60.0%	50.0%	0.00 MB
A52	Budapest defence	38	36.8%	52.6%	0.03 MB
A52	Budapest, Adler variation	181	44.8%	53.3%	0.12 MB
A52	Budapest, Alekhine variation	16	25.0%	68.8%	0.01 MB
A52	Budapest, Alekhine variation, Balogh gambit	1	100.0%	50.0%	0.00 MB
A52	Budapest, Alekhine, Abonyi variation	62	29.0%	62.9%	0.04 MB
A52	Budapest, Rubinstein variation	371	41.2%	60.2%	0.25 MB
A53	Old Indian defence	1034	39.2%	56.8%	0.70 MB
A53	Old Indian, Janowski variation	150	34.0%	55.7%	0.11 MB
A54	Old Indian, Dus-Khotimirsky variation	10	20.0%	40.0%	0.01 MB
A54	Old Indian, Ukrainian variation	120	45.8%	57.9%	0.09 MB
A54	Old Indian, Ukrainian variation, 4.Nf3	232	36.6%	57.5%	0.16 MB
A55	Old Indian, main line	430	38.1%	58.4%	0.31 MB
A56	Benoni defence	645	33.3%	59.9%	0.42 MB
A56	Benoni defence, Hromodka system	405	24.4%	64.3%	0.23 MB
A56	Czech Benoni defence	309	26.9%	67.5%	0.22 MB
A56	Czech Benoni, King's Indian system	49	16.3%	67.3%	0.04 MB
A56	Vulture defence	1	100.0%	50.0%	0.00 MB
A57	Benko gambit	693	35.9%	56.2%	0.44 MB
A57	Benko gambit half accepted	830	39.4%	58.1%	0.51 MB
A57	Benko gambit, Zaitsev system	83	41.0%	47.0%	0.06 MB
A58	Benko gambit accepted	712	33.7%	59.3%	0.44 MB
A58	Benko gambit, Nd2 variation	12	41.7%	62.5%	0.01 MB
A58	Benko gambit, fianchetto variation	154	44.8%	60.7%	0.10 MB
A59	Benko gambit	41	43.9%	63.4%	0.03 MB
A59	Benko gambit, 7.e4	8	50.0%	50.0%	0.01 MB
A59	Benko gambit, Ne2 variation	5	20.0%	30.0%	0.00 MB
A59	Benko gambit, main line	118	41.5%	66.5%	0.07 MB
A60	Benoni defence	144	25.0%	62.5%	0.09 MB
A61	Benoni defence	503	32.2%	62.0%	0.31 MB
A61	Benoni, Nimzovich (knight's tour) variation	371	28.0%	58.5%	0.23 MB
A61	Benoni, Uhlmann variation	198	22.2%	39.9%	0.10 MB
A61	Benoni, fianchetto variation	14	14.3%	78.6%	0.01 MB
A62	Benoni, fianchetto variation	808	34.5%	56.0%	0.49 MB
A63	Benoni, fianchetto, 9...Nbd7	89	33.7%	67.4%	0.06 MB
A64	Benoni, fianchetto, 11...Re8	132	41.7%	45.1%	0.08 MB
A65	Benoni, 6.e4	341	28.4%	56.5%	0.21 MB
A66	Benoni, Mikenas variation	19	21.1%	52.6%	0.01 MB
A66	Benoni, pawn storm variation	5	40.0%	60.0%	0.00 MB
A67	Benoni, Taimanov variation	234	26.5%	63.2%	0.13 MB
A68	Benoni, four pawns attack	79	32.9%	58.2%	0.05 MB
A69	Benoni, four pawns attack, main line	83	38.6%	47.0%	0.06 MB
A70	Benoni, classical with e4 and Nf3	590	39.7%	59.5%	0.36 MB
A70	Benoni, classical without 9.O-O	10	20.0%	50.0%	0.01 MB
A71	Benoni, classical, 8.Bg5	98	29.6%	56.6%	0.07 MB
A72	Benoni, classical without 9.O-O	64	45.3%	61.7%	0.05 MB
A73	Benoni, classical, 9.O-O	57	28.1%	59.6%	0.04 MB
A74	Benoni, classical, 9...a6, 10.a4	21	42.9%	73.8%	0.02 MB
A75	Benoni, classical with ...a6 and 10...Bg4	55	27.3%	68.2%	0.04 MB
A76	Benoni, classical, 9...Re8	100	41.0%	63.5%	0.07 MB
A77	Benoni, classical, 9...Re8, 10.Nd2	132	27.3%	68.2%	0.09 MB
A78	Benoni, classical with ...Re8 and ...Na6	50	38.0%	61.0%	0.03 MB
A79	Benoni, classical, 11.f3	58	31.0%	60.3%	0.04 MB
A80	Dutch	2210	35.2%	54.8%	1.39 MB
A80	Dutch, 2.Bg5 variation	1021	33.1%	54.5%	0.65 MB
A80	Dutch, Korchnoi attack	34	26.5%	54.4%	0.03 MB
A80	Dutch, Krejcik gambit	267	34.5%	53.9%	0.16 MB
A80	Dutch, Manhattan (Alapin, Ulvestad) variation	23	39.1%	58.7%	0.02 MB
A81	Dutch defence	3331	37.8%	56.6%	2.07 MB
A81	Dutch defence, Blackburne variation	54	31.5%	52.8%	0.03 MB
A81	Dutch, Leningrad, Basman system	6	66.7%	66.7%	0.00 MB
A81	Dutch, Leningrad, Karlsbad variation	6	50.0%	58.3%	0.00 MB
A82	Dutch, Balogh defence	14	28.6%	78.6%	0.01 MB
A82	Dutch, Staunton gambit	119	36.1%	36.6%	0.08 MB
A82	Dutch, Staunton gambit, Tartakower variation	6	16.7%	41.7%	0.01 MB
A83	Dutch, Staunton gambit, Alekhine variation	3	33.3%	50.0%	0.00 MB
A83	Dutch, Staunton gambit, Chigorin variation	75	32.0%	52.0%	0.05 MB
A83	Dutch, Staunton gambit, Lasker variation	15	46.7%	43.3%	0.01 MB
A83	Dutch, Staunton gambit, Nimzovich variation	2	0.0%	0.0%	0.00 MB
A83	Dutch, Staunton gambit, Staunton's line	143	37.8%	50.3%	0.09 MB
A84	Dutch defence	584	38.9%	57.1%	0.40 MB
A84	Dutch defence, Rubinstein variation	298	35.6%	58.4%	0.19 MB
A84	Dutch, Staunton gambit deferred	9	55.6%	27.8%	0.01 MB
A85	Dutch with c4 & Nc3	678	35.5%	54.6%	0.42 MB
A86	Dutch with c4 & g3	107	38.3%	64.0%	0.08 MB
A86	Dutch, Hort-Antoshin system	4	75.0%	62.5%	0.00 MB
A86	Dutch, Leningrad variation	181	33.7%	58.3%	0.12 MB
A87	Dutch, Leningrad, main variation	344	40.1%	55.2%	0.23 MB
A88	Dutch, Leningrad, main variation with c6	891	39.5%	58.0%	0.58 MB
A89	Dutch, Leningrad, main variation with Nc6	381	36.0%	63.6%	0.26 MB
A90	Dutch defence	1031	39.1%	60.9%	0.69 MB
A90	Dutch defence, Dutch-Indian (Nimzo-Dutch) variation	215	35.3%	61.4%	0.15 MB
A90	Dutch-Indian, Alekhine variation	55	38.2%	60.9%	0.04 MB
A91	Dutch defence	108	33.3%	52.8%	0.08 MB
A92	Dutch defence	73	47.9%	59.6%	0.05 MB
A92	Dutch defence, Alekhine variation	35	40.0%	62.9%	0.03 MB
A92	Dutch, stonewall variation	84	47.6%	58.3%	0.06 MB
A92	Dutch, stonewall with Nc3	20	40.0%	45.0%	0.02 MB
A93	Dutch, stonewall, Botwinnik variation	120	35.0%	61.7%	0.08 MB
A94	Dutch, stonewall with Ba3	53	50.9%	57.5%	0.04 MB
A95	Dutch, stonewall with Nc3	236	30.9%	58.7%	0.16 MB
A95	Dutch, stonewall: Chekhover variation	1	100.0%	50.0%	0.00 MB
A96	Dutch, classical variation	244	37.3%	59.6%	0.17 MB
A97	Dutch, Ilyin-Genevsky variation	53	35.8%	55.7%	0.04 MB
A97	Dutch, Ilyin-Genevsky, Winter variation	86	37.2%	65.1%	0.06 MB
A98	Dutch, Ilyin-Genevsky variation with Qc2	62	32.3%	54.8%	0.05 MB
A99	Dutch, Ilyin-Genevsky variation with b3	134	38.1%	62.3%	0.09 MB
B00	Barnes defence	2	50.0%	75.0%	0.00 MB
B00	Carr's defence	4	50.0%	50.0%	0.00 MB
B00	Corn stalk defence	2	50.0%	25.0%	0.00 MB
B00	Fred	2	0.0%	100.0%	0.00 MB
B00	KP, Colorado counter	4	25.0%	62.5%	0.00 MB
B00	KP, Nimzovich defence	557	32.5%	59.2%	0.37 MB
B00	KP, Nimzovich defence, Bogolyubov variation	116	29.3%	60.3%	0.08 MB
B00	KP, Nimzovich defence, Marshall gambit	2	0.0%	50.0%	0.00 MB
B00	King's pawn opening	1549	36.7%	57.3%	1.00 MB
B00	Lemming defence	8	37.5%	56.3%	0.01 MB
B00	Owen defence	300	34.0%	61.7%	0.20 MB
B00	Reversed Grob (Borg/Basman defence/macho Grob)	22	22.7%	75.0%	0.02 MB
B00	St. George (Baker) defence	40	37.5%	61.3%	0.03 MB
B01	Scandinavian (centre counter) defence	2607	41.6%	57.1%	1.63 MB
B01	Scandinavian defence	1041	40.6%	59.4%	0.67 MB
B01	Scandinavian defence, Gruenfeld variation	4	0.0%	75.0%	0.00 MB
B01	Scandinavian defence, Lasker variation	118	33.1%	64.0%	0.08 MB
B01	Scandinavian gambit	155	41.9%	53.2%	0.11 MB
B01	Scandinavian, Anderssen counter-attack orthodox attack	1	0.0%	100.0%	0.00 MB
B01	Scandinavian, Anderssen counter-attack, Collijn variation	1	0.0%	100.0%	0.00 MB
B01	Scandinavian, Icelandic gambit	60	43.3%	55.0%	0.05 MB
B01	Scandinavian, Kiel variation	7	28.6%	85.7%	0.01 MB
B01	Scandinavian, Marshall variation	564	45.2%	60.0%	0.36 MB
B01	Scandinavian, Mieses-Kotrvc gambit	8	62.5%	43.8%	0.01 MB
B01	Scandinavian, Pytel-Wade variation	2730	43.8%	58.2%	1.66 MB
B01	Scandinavian, Richter variation	4	50.0%	75.0%	0.00 MB
B02	Alekhine's defence	592	35.8%	54.9%	0.39 MB
B02	Alekhine's defence, Brooklyn defence	7	14.3%	35.7%	0.01 MB
B02	Alekhine's defence, Kmoch variation	10	20.0%	20.0%	0.01 MB
B02	Alekhine's defence, Krejcik variation	4	25.0%	12.5%	0.00 MB
B02	Alekhine's defence, Maroczy variation	90	35.6%	57.8%	0.07 MB
B02	Alekhine's defence, Saemisch attack	271	38.0%	49.6%	0.18 MB
B02	Alekhine's defence, Scandinavian variation	246	41.5%	52.8%	0.17 MB
B02	Alekhine's defence, Spielmann variation	17	29.4%	44.1%	0.01 MB
B02	Alekhine's defence, Steiner variation	9	44.4%	55.6%	0.01 MB
B02	Alekhine's defence, Two pawns' (Lasker's) attack	303	42.9%	54.5%	0.20 MB
B03	Alekhine's defence	109	33.0%	61.5%	0.07 MB
B03	Alekhine's defence, Balogh variation	18	33.3%	61.1%	0.01 MB
B03	Alekhine's defence, exchange variation	663	39.7%	57.8%	0.42 MB
B03	Alekhine's defence, exchange, Karpov variation	9	55.6%	50.0%	0.01 MB
B03	Alekhine's defence, four pawns attack	246	31.3%	65.2%	0.15 MB
B03	Alekhine's defence, four pawns attack, 6...Nc6	13	30.8%	46.2%	0.01 MB
B03	Alekhine's defence, four pawns attack, 7.Be3	117	36.8%	67.9%	0.08 MB
B03	Alekhine's defence, four pawns attack, Ilyin-Genevsky var.	7	42.9%	21.4%	0.01 MB
B03	Alekhine's defence, four pawns attack, Planinc variation	7	28.6%	28.6%	0.01 MB
B03	Alekhine's defence, four pawns attack, Trifunovic variation	67	35.8%	68.7%	0.05 MB
B03	Alekhine's defence, four pawns attack, fianchetto variation	120	32.5%	59.6%	0.07 MB
B04	Alekhine's defence, modern variation	250	36.0%	60.8%	0.16 MB
B04	Alekhine's defence, modern, Keres variation	47	34.0%	72.3%	0.04 MB
B04	Alekhine's defence, modern, Larsen variation	825	42.7%	60.1%	0.52 MB
B04	Alekhine's defence, modern, Schmid variation	150	38.7%	60.7%	0.11 MB
B04	Alekhine's defence, modern, fianchetto variation	708	34.3%	57.1%	0.46 MB
B05	Alekhine's defence, modern variation, 4...Bg4	621	33.0%	64.0%	0.41 MB
B05	Alekhine's defence, modern, Alekhine variation	7	42.9%	50.0%	0.01 MB
B05	Alekhine's defence, modern, Flohr variation	140	37.1%	62.9%	0.10 MB
B05	Alekhine's defence, modern, Panov variation	15	26.7%	60.0%	0.01 MB
B05	Alekhine's defence, modern, Vitolins attack	10	50.0%	45.0%	0.01 MB
B06	Norwegian defence	2	50.0%	25.0%	0.00 MB
B06	Robatsch (modern) defence	6109	36.2%	56.3%	3.69 MB
B06	Robatsch defence	714	35.7%	58.2%	0.46 MB
B06	Robatsch defence, Gurgenidze variation	58	37.9%	62.1%	0.05 MB
B06	Robatsch defence, Pseudo-Austrian attack	513	34.1%	54.7%	0.33 MB
B06	Robatsch defence, Two knights variation	336	33.9%	60.4%	0.22 MB
B06	Robatsch defence, Two knights, Suttles variation	1012	38.1%	58.4%	0.66 MB
B06	Robatsch defence, three pawns attack	151	29.1%	60.9%	0.11 MB
B07	Pirc defence	1752	36.9%	55.7%	1.08 MB
B07	Pirc, 150 attack	242	37.2%	60.7%	0.16 MB
B07	Pirc, Byrne variation	386	32.6%	57.0%	0.24 MB
B07	Pirc, Chinese variation	2	50.0%	25.0%	0.00 MB
B07	Pirc, Holmov system	38	47.4%	60.5%	0.03 MB
B07	Pirc, Sveshnikov system	304	35.5%	52.6%	0.21 MB
B07	Pirc, Ufimtsev-Pytel variation	403	39.2%	59.3%	0.28 MB
B07	Pirc, bayonet (Mariotti) attack	31	54.8%	56.5%	0.02 MB
B07	Robatsch defence, Geller's system	608	37.2%	57.4%	0.41 MB
B08	Pirc, classical (two knights) system	601	37.3%	58.6%	0.41 MB
B08	Pirc, classical system, 5.Be2	2359	38.2%	57.4%	1.53 MB
B08	Pirc, classical, h3 system	413	37.3%	58.8%	0.28 MB
B09	Pirc, Austrian attack	183	40.4%	61.2%	0.13 MB
B09	Pirc, Austrian attack, 6.Bd3	1156	39.4%	59.7%	0.71 MB
B09	Pirc, Austrian attack, 6.Be3	311	31.8%	58.4%	0.20 MB
B09	Pirc, Austrian attack, 6.e5	87	44.8%	56.9%	0.06 MB
B09	Pirc, Austrian attack, Ljubojevic variation	14	42.9%	50.0%	0.01 MB
B09	Pirc, Austrian attack, dragon formation	778	38.8%	58.4%	0.47 MB
B10	Caro-Kann defence	2248	35.4%	52.9%	1.41 MB
B10	Caro-Kann, Goldman (Spielmann) variation	100	39.0%	50.5%	0.07 MB
B10	Caro-Kann, Hillbilly attack	2	0.0%	50.0%	0.00 MB
B10	Caro-Kann, Two knights variation	380	37.4%	59.7%	0.26 MB
B10	Caro-Kann, anti-Caro-Kann defence	561	33.0%	60.3%	0.37 MB
B10	Caro-Kann, anti-anti-Caro-Kann defence	1364	47.7%	51.8%	0.87 MB
B10	Caro-Kann, closed (Breyer) variation	744	38.4%	52.7%	0.50 MB
B11	Caro-Kann, Two knights, 3...Bg4	902	39.9%	56.2%	0.56 MB
B12	Caro-Kann defence	224	35.3%	53.8%	0.15 MB
B12	Caro-Kann, 3.Nd2	172	39.5%	61.0%	0.12 MB
B12	Caro-Kann, Edinburgh variation	41	46.3%	57.3%	0.03 MB
B12	Caro-Kann, Tartakower (fantasy) variation	677	38.0%	55.9%	0.43 MB
B12	Caro-Kann, advance variation	10277	38.0%	56.2%	6.05 MB
B12	Caro-Kann, advance, Short variation	48	33.3%	52.1%	0.03 MB
B12	Caro-Masi defence	1	100.0%	50.0%	0.00 MB
B12	de Bruycker defence	11	9.1%	59.1%	0.01 MB
B13	Caro-Kann, Panov-Botvinnik attack	1033	47.8%	52.7%	0.65 MB
B13	Caro-Kann, Panov-Botvinnik, Czerniak variation	34	38.2%	48.5%	0.02 MB
B13	Caro-Kann, Panov-Botvinnik, Gunderam attack	14	28.6%	50.0%	0.01 MB
B13	Caro-Kann, Panov-Botvinnik, Herzog defence	16	31.3%	53.1%	0.01 MB
B13	Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation	3	66.7%	66.7%	0.00 MB
B13	Caro-Kann, Panov-Botvinnik, normal variation	96	52.1%	57.3%	0.07 MB
B13	Caro-Kann, exchange variation	844	40.3%	51.7%	0.56 MB
B13	Caro-Kann, exchange, Rubinstein variation	137	36.5%	53.3%	0.10 MB
B14	Caro-Kann, Panov-Botvinnik attack, 5...e6	1836	46.4%	55.4%	1.18 MB
B14	Caro-Kann, Panov-Botvinnik attack, 5...g6	318	50.0%	53.3%	0.22 MB
B15	Caro-Kann defence	223	32.3%	52.0%	0.15 MB
B15	Caro-Kann, Alekhine gambit	23	39.1%	50.0%	0.02 MB
B15	Caro-Kann, Forgacs variation	224	41.5%	55.6%	0.15 MB
B15	Caro-Kann, Gurgenidze counter-attack	3	66.7%	66.7%	0.00 MB
B15	Caro-Kann, Gurgenidze system	321	38.3%	58.1%	0.22 MB
B15	Caro-Kann, Rasa-Studier gambit	12	16.7%	33.3%	0.01 MB
B15	Caro-Kann, Tartakower (Nimzovich) variation	340	40.9%	55.4%	0.24 MB
B16	Caro-Kann, Bronstein-Larsen variation	485	32.2%	61.6%	0.32 MB
B17	Caro-Kann, Steinitz variation	3749	43.2%	53.6%	2.33 MB
B18	Caro-Kann, classical variation	1585	44.5%	54.3%	1.00 MB
B18	Caro-Kann, classical, 6.h4	568	41.5%	53.9%	0.36 MB
B18	Caro-Kann, classical, Flohr variation	92	54.3%	50.0%	0.06 MB
B18	Caro-Kann, classical, Maroczy attack	12	16.7%	41.7%	0.01 MB
B19	Caro-Kann, classical, 7...Nd7	383	50.1%	53.0%	0.24 MB
B19	Caro-Kann, classical, Spassky variation	2692	39.7%	56.6%	1.59 MB
B20	Sicilian defence	2177	35.8%	50.3%	1.38 MB
B20	Sicilian, Gloria variation	4	0.0%	50.0%	0.00 MB
B20	Sicilian, Keres variation (2.Ne2)	641	40.9%	52.4%	0.41 MB
B20	Sicilian, Steinitz variation	409	42.8%	50.2%	0.29 MB
B20	Sicilian, wing gambit	59	50.8%	40.7%	0.05 MB
B20	Sicilian, wing gambit, Carlsbad variation	15	40.0%	46.7%	0.01 MB
B20	Sicilian, wing gambit, Marienbad variation	1	0.0%	0.0%	0.00 MB
B20	Sicilian, wing gambit, Marshall variation	64	31.3%	54.7%	0.04 MB
B21	Sicilian, Andreaschek gambit	14	42.9%	57.1%	0.01 MB
B21	Sicilian, Grand Prix attack	1538	35.6%	52.4%	0.96 MB
B21	Sicilian, Smith-Morra gambit	774	41.7%	47.5%	0.49 MB
B22	Sicilian, 2.c3, Heidenfeld variation	58	25.9%	45.7%	0.04 MB
B22	Sicilian, Alapin's variation (2.c3)	6090	43.5%	54.7%	3.81 MB
B23	Sicilian, Grand Prix attack	745	36.6%	50.0%	0.47 MB
B23	Sicilian, Grand Prix attack, Schofman variation	152	40.8%	52.6%	0.10 MB
B23	Sicilian, chameleon variation	626	34.3%	57.7%	0.40 MB
B23	Sicilian, closed	3219	38.1%	51.6%	1.99 MB
B23	Sicilian, closed, 2...Nc6	1806	40.5%	51.6%	1.15 MB
B23	Sicilian, closed, Korchnoi variation	152	48.7%	52.0%	0.11 MB
B24	Sicilian, closed	462	36.1%	50.8%	0.30 MB
B24	Sicilian, closed, Smyslov variation	21	33.3%	54.8%	0.02 MB
B25	Sicilian, closed	269	37.5%	49.3%	0.19 MB
B25	Sicilian, closed, 6.Ne2 e5 (Botvinnik)	51	31.4%	51.0%	0.04 MB
B25	Sicilian, closed, 6.f4	433	39.7%	51.0%	0.28 MB
B25	Sicilian, closed, 6.f4 e5 (Botvinnik)	28	46.4%	55.4%	0.02 MB
B26	Sicilian, closed, 6.Be3	603	32.5%	49.8%	0.39 MB
B27	Sicilian defence	18	33.3%	55.6%	0.01 MB
B27	Sicilian, Hungarian variation	3407	40.7%	57.5%	2.22 MB
B27	Sicilian, Katalimov variation	136	44.1%	61.0%	0.09 MB
B27	Sicilian, Quinteros variation	43	37.2%	60.5%	0.03 MB
B28	Sicilian, O'Kelly variation	409	39.4%	57.3%	0.27 MB
B29	Sicilian, Nimzovich-Rubinstein variation	790	42.2%	59.1%	0.50 MB
B29	Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit	32	53.1%	48.4%	0.02 MB
B30	Sicilian defence	2696	40.2%	54.7%	1.72 MB
B30	Sicilian, Nimzovich-Rossolimo attack (without ...d6)	4559	38.2%	56.3%	2.80 MB
B31	Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)	2894	40.9%	56.0%	1.79 MB
B31	Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation	25	56.0%	56.0%	0.02 MB
B32	Sicilian defence	840	38.9%	55.8%	0.54 MB
B32	Sicilian, Flohr variation	236	33.1%	60.2%	0.16 MB
B32	Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation	1217	40.0%	56.5%	0.77 MB
B32	Sicilian, Labourdonnais-Loewenthal variation	235	40.9%	59.1%	0.16 MB
B32	Sicilian, Nimzovich variation	23	39.1%	54.3%	0.02 MB
B33	Sicilian defence	456	36.0%	54.2%	0.30 MB
B33	Sicilian, Pelikan (Lasker/Sveshnikov) variation	997	35.5%	55.0%	0.61 MB
B33	Sicilian, Pelikan, Bird variation	234	37.6%	62.8%	0.15 MB
B33	Sicilian, Pelikan, Chelyabinsk variation	2113	36.0%	57.1%	1.25 MB
B33	Sicilian, Sveshnikov variation	1388	38.5%	50.8%	0.81 MB
B34	Sicilian, accelerated fianchetto, exchange variation	19	47.4%	65.8%	0.02 MB
B34	Sicilian, accelerated fianchetto, modern variation	359	36.5%	51.4%	0.25 MB
B35	Sicilian, accelerated fianchetto, modern variation with Bc4	1983	43.3%	53.5%	1.26 MB
B36	Sicilian, accelerated fianchetto, Gurgenidze variation	274	44.2%	60.0%	0.20 MB
B36	Sicilian, accelerated fianchetto, Maroczy bind	951	44.9%	58.0%	0.64 MB
B37	Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg7	146	46.6%	55.5%	0.10 MB
B37	Sicilian, accelerated fianchetto, Simagin variation	2	100.0%	50.0%	0.00 MB
B38	Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3	1078	43.9%	57.7%	0.71 MB
B39	Sicilian, accelerated fianchetto, Breyer variation	641	40.7%	58.3%	0.43 MB
B40	Sicilian defence	5191	38.9%	53.9%	3.26 MB
B40	Sicilian, Anderssen variation	803	40.2%	57.3%	0.52 MB
B40	Sicilian, Marshall variation	1	0.0%	100.0%	0.00 MB
B40	Sicilian, Pin variation (Sicilian counter-attack)	19	31.6%	73.7%	0.02 MB
B40	Sicilian, Pin, Koch variation	48	25.0%	79.2%	0.04 MB
B41	Sicilian, Kan variation	213	41.8%	55.6%	0.14 MB
B41	Sicilian, Kan, Maroczy bind (Reti variation)	480	35.6%	58.0%	0.31 MB
B41	Sicilian, Kan, Maroczy bind - Bronstein variation	23	30.4%	32.6%	0.02 MB
B42	Sicilian, Kan, 5.Bd3	1894	37.8%	58.2%	1.23 MB
B42	Sicilian, Kan, Gipslis variation	80	38.8%	63.1%	0.06 MB
B42	Sicilian, Kan, Polugaievsky variation	1433	36.4%	54.2%	0.91 MB
B42	Sicilian, Kan, Swiss cheese variation	267	35.6%	61.2%	0.18 MB
B43	Sicilian, Kan, 5.Nc3	2963	38.7%	56.4%	1.82 MB
B44	Sicilian defence	312	43.9%	52.1%	0.21 MB
B44	Sicilian, Szen (`anti-Taimanov') variation	822	40.0%	53.7%	0.56 MB
B44	Sicilian, Szen variation, Dely-Kasparov gambit	21	61.9%	59.5%	0.02 MB
B44	Sicilian, Szen, hedgehog variation	228	39.5%	50.9%	0.15 MB
B45	Sicilian, Taimanov variation	1954	38.1%	56.4%	1.18 MB
B45	Sicilian, Taimanov, American attack	19	42.1%	42.1%	0.01 MB
B46	Sicilian, Taimanov variation	3143	38.5%	55.2%	1.95 MB
B47	Sicilian, Taimanov (Bastrikov) variation	3824	41.2%	54.2%	2.36 MB
B48	Sicilian, Taimanov variation	3299	37.1%	56.2%	1.99 MB
B49	Sicilian, Taimanov variation	656	44.2%	58.1%	0.46 MB
B50	Sicilian	3980	40.4%	53.2%	2.56 MB
B50	Sicilian, wing gambit deferred	21	23.8%	35.7%	0.02 MB
B51	Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack	1711	38.1%	55.5%	1.11 MB
B52	Sicilian, Canal-Sokolsky attack, 3...Bd7	1692	42.8%	50.0%	1.07 MB
B52	Sicilian, Canal-Sokolsky attack, Bronstein gambit	200	40.0%	57.5%	0.12 MB
B52	Sicilian, Canal-Sokolsky attack, Sokolsky variation	822	43.7%	55.5%	0.51 MB
B53	Sicilian, Chekhover variation	1289	42.7%	50.7%	0.83 MB
B53	Sicilian, Chekhover, Zaitsev variation	64	26.6%	55.5%	0.05 MB
B54	Sicilian	850	37.6%	55.3%	0.57 MB
B54	Sicilian, Prins (Moscow) variation	450	38.0%	58.1%	0.31 MB
B55	Sicilian, Prins variation, Venice attack	52	46.2%	51.9%	0.03 MB
B56	Sicilian	1625	39.7%	53.4%	1.05 MB
B56	Sicilian, Venice attack	55	36.4%	65.5%	0.04 MB
B57	Sicilian, Magnus Smith trap	10	50.0%	35.0%	0.01 MB
B57	Sicilian, Sozin, Benko variation	1298	39.3%	51.6%	0.88 MB
B57	Sicilian, Sozin, not Scheveningen	241	43.6%	55.8%	0.17 MB
B58	Sicilian, Boleslavsky variation	435	36.8%	48.0%	0.28 MB
B58	Sicilian, Boleslavsky, Louma variation	46	37.0%	57.6%	0.04 MB
B58	Sicilian, classical	215	46.5%	47.0%	0.15 MB
B59	Sicilian, Boleslavsky variation, 7.Nb3	130	46.9%	51.9%	0.10 MB
B60	Sicilian, Richter-Rauzer	703	35.7%	58.5%	0.45 MB
B60	Sicilian, Richter-Rauzer, Bondarevsky variation	33	54.5%	60.6%	0.02 MB
B60	Sicilian, Richter-Rauzer, Larsen variation	154	30.5%	59.4%	0.10 MB
B61	Sicilian, Richter-Rauzer, Larsen variation, 7.Qd2	424	38.9%	61.2%	0.27 MB
B62	Sicilian, Richter-Rauzer, 6...e6	46	39.1%	58.7%	0.04 MB
B62	Sicilian, Richter-Rauzer, Keres variation	76	34.2%	50.0%	0.06 MB
B62	Sicilian, Richter-Rauzer, Margate (Alekhine) variation	60	38.3%	50.8%	0.04 MB
B62	Sicilian, Richter-Rauzer, Podvebrady variation	18	50.0%	36.1%	0.02 MB
B62	Sicilian, Richter-Rauzer, Richter attack	1	0.0%	100.0%	0.00 MB
B63	Sicilian, Richter-Rauzer, Rauzer attack	149	36.9%	57.4%	0.11 MB
B63	Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7	1119	37.7%	55.9%	0.68 MB
B64	Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f4	267	39.3%	54.1%	0.17 MB
B64	Sicilian, Richter-Rauzer, Rauzer attack, Geller variation	11	36.4%	63.6%	0.01 MB
B65	Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4	553	40.5%	55.7%	0.34 MB
B66	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6	5693	33.6%	51.5%	3.29 MB
B67	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7	2793	33.2%	55.5%	1.66 MB
B68	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7	107	29.9%	57.0%	0.08 MB
B69	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6	81	32.1%	60.5%	0.05 MB
B70	Sicilian, dragon variation	727	41.8%	51.6%	0.48 MB
B71	Sicilian, dragon, Levenfish variation	78	34.6%	55.8%	0.05 MB
B71	Sicilian, dragon, Levenfish; Flohr variation	10	40.0%	60.0%	0.01 MB
B72	Sicilian, dragon, 6.Be3	100	36.0%	54.0%	0.07 MB
B72	Sicilian, dragon, classical attack	99	38.4%	52.5%	0.07 MB
B72	Sicilian, dragon, classical, Amsterdam variation	44	25.0%	46.6%	0.03 MB
B72	Sicilian, dragon, classical, Grigoriev variation	38	44.7%	46.1%	0.03 MB
B72	Sicilian, dragon, classical, Nottingham variation	22	45.5%	54.5%	0.02 MB
B73	Sicilian, dragon, classical, 8.O-O	367	46.0%	52.2%	0.26 MB
B73	Sicilian, dragon, classical, Richter variation	111	45.9%	57.2%	0.08 MB
B73	Sicilian, dragon, classical, Zollner gambit	9	44.4%	44.4%	0.01 MB
B74	Sicilian, dragon, classical, 9.Nb3	372	52.7%	48.1%	0.26 MB
B74	Sicilian, dragon, classical, Alekhine variation	23	47.8%	67.4%	0.02 MB
B74	Sicilian, dragon, classical, Reti-Tartakower variation	85	47.1%	55.3%	0.06 MB
B74	Sicilian, dragon, classical, Spielmann variation	8	37.5%	56.3%	0.01 MB
B75	Sicilian, dragon, Yugoslav attack	325	31.1%	57.7%	0.20 MB
B76	Sicilian, dragon, Yugoslav attack, 7...O-O	325	34.5%	52.9%	0.21 MB
B76	Sicilian, dragon, Yugoslav attack, Rauser variation	926	33.4%	64.6%	0.54 MB
B77	Sicilian, dragon, Yugoslav attack, 9...Bd7	203	41.9%	55.4%	0.12 MB
B77	Sicilian, dragon, Yugoslav attack, 9.Bc4	108	33.3%	50.9%	0.08 MB
B77	Sicilian, dragon, Yugoslav attack, Byrne variation	4	75.0%	62.5%	0.00 MB
B78	Sicilian, dragon, Yugoslav attack, 10.O-O-O	384	28.6%	56.0%	0.22 MB
B79	Sicilian, dragon, Yugoslav attack, 12.h4	10	30.0%	65.0%	0.01 MB
B80	Sicilian, Scheveningen variation	1241	30.9%	54.1%	0.77 MB
B80	Sicilian, Scheveningen, English variation	147	32.0%	53.4%	0.09 MB
B80	Sicilian, Scheveningen, Vitolins variation	49	49.0%	51.0%	0.04 MB
B80	Sicilian, Scheveningen, fianchetto variation	196	34.2%	51.3%	0.14 MB
B81	Sicilian, Scheveningen, Keres attack	2220	34.5%	59.6%	1.28 MB
B82	Sicilian, Scheveningen, 6.f4	507	32.7%	57.4%	0.32 MB
B82	Sicilian, Scheveningen, Tal variation	117	35.9%	62.4%	0.07 MB
B83	Sicilian, Scheveningen, 6.Be2	543	40.0%	52.8%	0.37 MB
B83	Sicilian, modern Scheveningen	438	41.6%	49.1%	0.31 MB
B83	Sicilian, modern Scheveningen, main line	523	44.2%	53.1%	0.35 MB
B83	Sicilian, modern Scheveningen, main line with Nb3	90	36.7%	56.1%	0.06 MB
B84	Sicilian, Scheveningen (Paulsen), classical variation	3677	38.7%	52.1%	2.29 MB
B84	Sicilian, Scheveningen, classical, Nd7 system	82	35.4%	50.6%	0.05 MB
B85	Sicilian, Scheveningen, classical	134	41.0%	51.9%	0.09 MB
B85	Sicilian, Scheveningen, classical main line	354	46.0%	55.5%	0.24 MB
B85	Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6	3	66.7%	66.7%	0.00 MB
B85	Sicilian, Scheveningen, classical, Maroczy system	26	34.6%	55.8%	0.02 MB
B86	Sicilian, Sozin attack	191	42.9%	52.9%	0.14 MB
B87	Sicilian, Sozin with ...a6 and ...b5	774	36.6%	51.1%	0.51 MB
B88	Sicilian, Sozin, Fischer variation	16	50.0%	50.0%	0.01 MB
B88	Sicilian, Sozin, Leonhardt variation	587	40.2%	54.5%	0.38 MB
B89	Sicilian, Sozin, 7.Be3	1034	37.2%	50.6%	0.64 MB
B89	Sicilian, Velimirovic attack	745	33.8%	51.5%	0.47 MB
B90	Sicilian, Najdorf	2761	36.1%	53.9%	1.65 MB
B90	Sicilian, Najdorf, Adams attack	1224	38.1%	52.4%	0.72 MB
B90	Sicilian, Najdorf, Byrne (English) attack	19513	35.3%	53.1%	11.13 MB
B90	Sicilian, Najdorf, Lipnitzky attack	975	35.9%	49.6%	0.60 MB
B91	Sicilian, Najdorf, Zagreb (fianchetto) variation	738	37.9%	53.7%	0.47 MB
B92	Sicilian, Najdorf, Opovcensky variation	5122	39.9%	53.3%	3.22 MB
B93	Sicilian, Najdorf, 6.f4	1587	39.6%	50.7%	0.97 MB
B94	Sicilian, Najdorf, 6.Bg5	799	35.3%	52.9%	0.50 MB
B95	Sicilian, Najdorf, 6...e6	1085	38.8%	49.3%	0.65 MB
B96	Sicilian, Najdorf, 7.f4	1357	34.7%	51.5%	0.77 MB
B96	Sicilian, Najdorf, Polugayevsky variation	99	38.4%	52.5%	0.07 MB
B96	Sicilian, Najdorf, Polugayevsky, Simagin variation	31	22.6%	56.5%	0.02 MB
B97	Sicilian, Najdorf, 7...Qb6	1589	33.3%	46.5%	0.95 MB
B97	Sicilian, Najdorf, Poisoned pawn variation	1101	45.0%	49.7%	0.57 MB
B98	Sicilian, Najdorf variation	332	30.1%	57.5%	0.20 MB
B98	Sicilian, Najdorf, 7...Be7	126	32.5%	54.4%	0.08 MB
B98	Sicilian, Najdorf, Browne variation	43	27.9%	60.5%	0.03 MB
B98	Sicilian, Najdorf, Goteborg (Argentine) variation	22	50.0%	47.7%	0.01 MB
B99	Sicilian, Najdorf, 7...Be7 main line	611	28.6%	53.1%	0.33 MB
C00	French defence	591	34.9%	57.2%	0.39 MB
C00	French defence, Steiner variation	768	43.2%	51.4%	0.50 MB
C00	French, Alapin variation	6	50.0%	75.0%	0.01 MB
C00	French, Chigorin variation	873	32.5%	49.9%	0.57 MB
C00	French, King's Indian attack	2207	37.3%	51.5%	1.45 MB
C00	French, Labourdonnais variation	230	31.3%	45.2%	0.16 MB
C00	French, Pelikan variation	66	36.4%	53.0%	0.05 MB
C00	French, Reti (Spielmann) variation	178	39.3%	50.6%	0.12 MB
C00	French, Reversed Philidor formation	12	33.3%	58.3%	0.01 MB
C00	French, Schlechter variation	178	42.1%	49.2%	0.13 MB
C00	French, Steinitz attack	9	11.1%	27.8%	0.01 MB
C00	French, Two knights variation	247	38.1%	51.8%	0.16 MB
C00	French, Wing gambit	42	42.9%	59.5%	0.03 MB
C00	Lengfellner system	9	22.2%	77.8%	0.01 MB
C00	St. George defence	126	49.2%	63.5%	0.10 MB
C01	French, exchange variation	1479	44.7%	53.4%	0.95 MB
C01	French, exchange, Bogolyubov variation	3	33.3%	50.0%	0.00 MB
C01	French, exchange, Svenonius variation	39	38.5%	57.7%	0.03 MB
C02	French, advance variation	1215	32.4%	56.0%	0.77 MB
C02	French, advance, Euwe variation	1353	36.0%	54.1%	0.85 MB
C02	French, advance, Milner-Barry gambit	100	34.0%	47.0%	0.07 MB
C02	French, advance, Nimzovich system	98	31.6%	45.4%	0.07 MB
C02	French, advance, Nimzovich variation	11	36.4%	45.5%	0.01 MB
C02	French, advance, Paulsen attack	1784	33.6%	54.7%	1.10 MB
C02	French, advance, Steinitz variation	384	34.1%	54.6%	0.25 MB
C02	French, advance, Wade variation	343	39.4%	57.3%	0.22 MB
C03	French, Tarrasch	2211	44.3%	56.8%	1.40 MB
C03	French, Tarrasch, Guimard variation	72	30.6%	65.3%	0.06 MB
C04	French, Tarrasch, Guimard main line	350	30.0%	59.6%	0.24 MB
C05	French, Tarrasch, Botvinnik variation	57	33.3%	64.0%	0.04 MB
C05	French, Tarrasch, closed variation	1133	31.5%	60.4%	0.70 MB
C06	French, Tarrasch, Leningrad variation	17	17.6%	85.3%	0.01 MB
C06	French, Tarrasch, closed variation, main line	1006	37.5%	59.8%	0.63 MB
C07	French, Tarrasch, Eliskases variation	128	46.1%	53.5%	0.09 MB
C07	French, Tarrasch, open variation	3627	47.6%	53.6%	2.25 MB
C08	French, Tarrasch, open, 4.ed ed	1297	49.8%	54.5%	0.83 MB
C09	French, Tarrasch, open variation, main line	1085	49.6%	56.8%	0.72 MB
C10	French, Fort Knox variation	603	40.1%	57.2%	0.39 MB
C10	French, Frere (Becker) variation	25	40.0%	60.0%	0.02 MB
C10	French, Marshall variation	2	50.0%	25.0%	0.00 MB
C10	French, Paulsen variation	707	33.0%	59.1%	0.46 MB
C10	French, Rubinstein variation	2283	48.4%	55.3%	1.39 MB
C10	French, Rubinstein, Capablanca line	7	71.4%	50.0%	0.01 MB
C11	French defence	162	39.5%	56.2%	0.11 MB
C11	French, Burn variation	5160	44.1%	53.0%	3.04 MB
C11	French, Henneberger variation	13	38.5%	50.0%	0.01 MB
C11	French, Steinitz variation	1011	38.1%	54.6%	0.63 MB
C11	French, Steinitz, Boleslavsky variation	3435	35.5%	57.3%	1.93 MB
C11	French, Steinitz, Bradford attack	1	100.0%	50.0%	0.00 MB
C11	French, Steinitz, Gledhill attack	118	33.1%	54.7%	0.07 MB
C11	French, Swiss variation	46	50.0%	55.4%	0.03 MB
C12	French, MacCutcheon variation	125	40.8%	49.2%	0.09 MB
C12	French, MacCutcheon, Bernstein variation	21	23.8%	59.5%	0.02 MB
C12	French, MacCutcheon, Bogolyubov variation	1	100.0%	50.0%	0.00 MB
C12	French, MacCutcheon, Chigorin variation	63	38.1%	47.6%	0.04 MB
C12	French, MacCutcheon, Dr. Olland (Dutch) variation	84	33.3%	60.7%	0.06 MB
C12	French, MacCutcheon, Duras variation	4	25.0%	62.5%	0.00 MB
C12	French, MacCutcheon, Grigoriev variation	26	50.0%	55.8%	0.02 MB
C12	French, MacCutcheon, Janowski variation	139	37.4%	57.6%	0.08 MB
C12	French, MacCutcheon, Lasker variation	205	27.8%	59.3%	0.15 MB
C12	French, MacCutcheon, Lasker variation, 8...g6	382	35.6%	59.2%	0.23 MB
C12	French, MacCutcheon, Tartakower variation	2	0.0%	100.0%	0.00 MB
C12	French, MacCutcheon, advance variation	15	26.7%	20.0%	0.01 MB
C13	French, Albin-Alekhine-Chatard attack	275	30.2%	55.1%	0.17 MB
C13	French, Albin-Alekhine-Chatard attack, Breyer variation	86	38.4%	63.4%	0.06 MB
C13	French, Albin-Alekhine-Chatard attack, Maroczy variation	16	25.0%	68.8%	0.01 MB
C13	French, Albin-Alekhine-Chatard attack, Spielmann variation	61	39.3%	67.2%	0.04 MB
C13	French, Albin-Alekhine-Chatard attack, Teichmann variation	2	50.0%	75.0%	0.00 MB
C13	French, classical	28	42.9%	42.9%	0.02 MB
C13	French, classical, Anderssen variation	13	30.8%	38.5%	0.01 MB
C13	French, classical, Anderssen-Richter variation	10	30.0%	55.0%	0.01 MB
C13	French, classical, Frankfurt variation	8	37.5%	81.3%	0.01 MB
C13	French, classical, Tartakower variation	24	37.5%	47.9%	0.02 MB
C13	French, classical, Vistaneckis (Nimzovich) variation	9	0.0%	66.7%	0.01 MB
C14	French, classical variation	6	16.7%	41.7%	0.00 MB
C14	French, classical, Alapin variation	92	45.7%	55.4%	0.06 MB
C14	French, classical, Pollock variation	11	36.4%	45.5%	0.01 MB
C14	French, classical, Rubinstein variation	37	35.1%	58.1%	0.03 MB
C14	French, classical, Stahlberg variation	6	50.0%	58.3%	0.00 MB
C14	French, classical, Steinitz variation	743	35.4%	58.1%	0.44 MB
C14	French, classical, Tarrasch variation	12	16.7%	50.0%	0.01 MB
C15	French, Winawer (Nimzovich) variation	797	42.4%	55.5%	0.52 MB
C15	French, Winawer, Alekhine (Maroczy) gambit	187	38.5%	55.1%	0.13 MB
C15	French, Winawer, Alekhine gambit	4	25.0%	37.5%	0.00 MB
C15	French, Winawer, Alekhine gambit, Kan variation	50	46.0%	47.0%	0.04 MB
C15	French, Winawer, Kondratiyev variation	1	100.0%	50.0%	0.00 MB
C15	French, Winawer, fingerslip variation	34	38.2%	33.8%	0.02 MB
C16	French, Winawer, Petrosian variation	212	32.1%	56.1%	0.14 MB
C16	French, Winawer, advance variation	812	34.4%	57.5%	0.52 MB
C17	French, Winawer, advance variation	56	41.1%	59.8%	0.04 MB
C17	French, Winawer, advance, 5.a3	390	32.8%	63.3%	0.23 MB
C17	French, Winawer, advance, Bogolyubov variation	359	39.8%	51.1%	0.24 MB
C17	French, Winawer, advance, Rauzer variation	14	21.4%	67.9%	0.01 MB
C17	French, Winawer, advance, Russian variation	55	38.2%	53.6%	0.04 MB
C18	French, Winawer, advance variation	487	26.1%	63.1%	0.31 MB
C18	French, Winawer, classical variation	335	33.1%	58.1%	0.22 MB
C19	French, Winawer, advance, 6...Ne7	355	36.6%	57.5%	0.22 MB
C19	French, Winawer, advance, Smyslov variation	155	25.8%	61.3%	0.10 MB
C19	French, Winawer, advance, poisoned pawn variation	2578	33.4%	61.1%	1.61 MB
C19	French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation	3	0.0%	33.3%	0.00 MB
C19	French, Winawer, advance, poisoned pawn, Konstantinopolsky variation	672	31.1%	62.4%	0.36 MB
C19	French, Winawer, advance, positional main line	1059	31.0%	57.6%	0.69 MB
C20	Alapin's opening	21	28.6%	61.9%	0.02 MB
C20	KP, Indian opening	66	37.9%	44.7%	0.05 MB
C20	KP, King's head opening	2	50.0%	25.0%	0.00 MB
C20	KP, Lopez opening	14	42.9%	35.7%	0.01 MB
C20	KP, Mengarini's opening	20	40.0%	25.0%	0.02 MB
C20	KP, Napoleon's opening	6	33.3%	50.0%	0.00 MB
C20	KP, Patzer opening	36	27.8%	33.3%	0.03 MB
C20	King's pawn game	26	34.6%	48.1%	0.02 MB
C21	Centre game	164	44.5%	57.6%	0.11 MB
C21	Danish gambit	127	40.9%	48.8%	0.09 MB
C21	Danish gambit, Collijn defence	4	75.0%	37.5%	0.00 MB
C21	Danish gambit, Schlechter defence	7	14.3%	50.0%	0.00 MB
C21	Danish gambit, Soerensen defence	39	59.0%	57.7%	0.03 MB
C21	Halasz gambit	8	25.0%	37.5%	0.01 MB
C22	Centre game	405	37.5%	46.2%	0.26 MB
C22	Centre game, Berger variation	364	37.9%	53.8%	0.24 MB
C22	Centre game, Charousek variation	6	50.0%	58.3%	0.01 MB
C22	Centre game, Hall variation	17	52.9%	38.2%	0.02 MB
C22	Centre game, Paulsen attack	215	38.1%	50.7%	0.14 MB
C23	Bishop's opening	179	36.9%	54.2%	0.13 MB
C23	Bishop's opening, Calabrese counter-gambit, Jaenisch variation	3	0.0%	100.0%	0.00 MB
C23	Bishop's opening, Classical variation	56	39.3%	53.6%	0.04 MB
C23	Bishop's opening, Lisitsyn variation	1	0.0%	0.0%	0.00 MB
C23	Bishop's opening, Lopez gambit	2	0.0%	0.0%	0.00 MB
C23	Bishop's opening, MacDonnell double gambit	2	50.0%	25.0%	0.00 MB
C23	Bishop's opening, Philidor counter-attack	157	56.1%	48.4%	0.11 MB
C23	Bishop's opening, Philidor variation	9	44.4%	55.6%	0.01 MB
C23	Bishop's opening, Wing gambit	2	50.0%	75.0%	0.00 MB
C24	Bishop's opening, Berlin defence	1110	40.6%	53.1%	0.73 MB
C24	Bishop's opening, Ponziani gambit	13	23.1%	26.9%	0.01 MB
C24	Bishop's opening, Urusov gambit	54	31.5%	36.1%	0.04 MB
C25	Vienna gambit	46	30.4%	56.5%	0.03 MB
C25	Vienna game	274	37.2%	59.5%	0.20 MB
C25	Vienna game, Max Lange defence	23	43.5%	52.2%	0.02 MB
C25	Vienna, Paulsen variation	92	32.6%	58.7%	0.06 MB
C25	Vienna, Pierce gambit	11	45.5%	59.1%	0.01 MB
C25	Vienna, Steinitz gambit	2	50.0%	25.0%	0.00 MB
C25	Vienna, Steinitz gambit, Fraser-Minckwitz variation	1	0.0%	100.0%	0.00 MB
C26	Vienna game	287	43.9%	54.0%	0.20 MB
C26	Vienna, Falkbeer variation	59	45.8%	58.5%	0.05 MB
C26	Vienna, Mengarini variation	12	66.7%	41.7%	0.01 MB
C26	Vienna, Paulsen-Mieses variation	533	41.3%	52.5%	0.35 MB
C27	Boden-Kieseritsky gambit	40	32.5%	31.3%	0.03 MB
C27	Boden-Kieseritsky gambit, Lichtenhein defence	5	60.0%	30.0%	0.01 MB
C27	Vienna game	129	44.2%	54.7%	0.09 MB
C27	Vienna, Alekhine variation	14	42.9%	50.0%	0.01 MB
C27	Vienna, `Frankenstein-Dracula' variation	2	0.0%	100.0%	0.00 MB
C28	Vienna game	374	42.2%	53.2%	0.26 MB
C29	Vienna gambit	212	39.6%	45.8%	0.14 MB
C29	Vienna gambit, Bardeleben variation	7	42.9%	35.7%	0.01 MB
C29	Vienna gambit, Breyer variation	102	33.3%	52.9%	0.06 MB
C29	Vienna gambit, Kaufmann variation	8	37.5%	68.8%	0.01 MB
C29	Vienna gambit, Paulsen attack	11	54.5%	54.5%	0.01 MB
C29	Vienna gambit, Steinitz variation	6	33.3%	33.3%	0.01 MB
C29	Vienna gambit, Wurzburger trap	2	0.0%	100.0%	0.00 MB
C30	KGD, 2...Nf6	34	26.5%	66.2%	0.03 MB
C30	KGD, Keene's defence	21	42.9%	69.0%	0.02 MB
C30	KGD, Mafia defence	8	37.5%	68.8%	0.01 MB
C30	KGD, Norwalde variation	20	15.0%	77.5%	0.01 MB
C30	KGD, classical counter-gambit	1	0.0%	0.0%	0.00 MB
C30	KGD, classical variation	79	29.1%	52.5%	0.05 MB
C30	KGD, classical, 4.c3	65	32.3%	65.4%	0.05 MB
C30	KGD, classical, Heath variation	2	0.0%	50.0%	0.00 MB
C30	KGD, classical, Marshall attack	5	100.0%	50.0%	0.01 MB
C30	KGD, classical, Reti variation	1	100.0%	50.0%	0.00 MB
C30	KGD, classical, Soldatenkov variation	1	0.0%	0.0%	0.00 MB
C30	KGD, classical, Svenonius variation	1	100.0%	50.0%	0.00 MB
C30	King's gambit	121	42.1%	60.7%	0.08 MB
C31	KGD, Falkbeer counter-gambit	58	48.3%	53.4%	0.04 MB
C31	KGD, Falkbeer, 3...e4	8	62.5%	56.3%	0.01 MB
C31	KGD, Falkbeer, 4.d3	20	55.0%	62.5%	0.02 MB
C31	KGD, Falkbeer, Milner-Barry variation	2	0.0%	50.0%	0.00 MB
C31	KGD, Falkbeer, Morphy gambit	1	0.0%	100.0%	0.00 MB
C31	KGD, Falkbeer, Nimzovich variation	5	60.0%	70.0%	0.01 MB
C31	KGD, Falkbeer, Rubinstein variation	5	20.0%	70.0%	0.00 MB
C31	KGD, Falkbeer, Tartakower variation	16	56.3%	40.6%	0.01 MB
C31	KGD, Nimzovich counter-gambit	63	34.9%	50.8%	0.04 MB
C32	KGD, Falkbeer, 5.de	13	38.5%	34.6%	0.01 MB
C32	KGD, Falkbeer, Charousek gambit	2	100.0%	50.0%	0.00 MB
C32	KGD, Falkbeer, Keres variation	3	33.3%	83.3%	0.00 MB
C32	KGD, Falkbeer, Reti variation	4	50.0%	50.0%	0.00 MB
C32	KGD, Falkbeer, main line, 7...Bf5	7	14.3%	92.9%	0.01 MB
C33	KGA, Breyer gambit	3	33.3%	50.0%	0.00 MB
C33	KGA, Carrera (Basman) gambit	1	0.0%	100.0%	0.00 MB
C33	KGA, Keres (Mason-Steinitz) gambit	16	56.3%	34.4%	0.01 MB
C33	KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit	3	33.3%	50.0%	0.00 MB
C33	KGA, bishop's gambit	90	34.4%	52.8%	0.06 MB
C33	KGA, bishop's gambit, Anderssen variation	4	50.0%	50.0%	0.00 MB
C33	KGA, bishop's gambit, Bledow variation	52	26.9%	30.8%	0.03 MB
C33	KGA, bishop's gambit, Boden defence	4	50.0%	25.0%	0.00 MB
C33	KGA, bishop's gambit, Bogolyubov variation	24	37.5%	43.8%	0.02 MB
C33	KGA, bishop's gambit, Cozio (Morphy) defence	9	22.2%	44.4%	0.01 MB
C33	KGA, bishop's gambit, Gifford variation	3	33.3%	50.0%	0.00 MB
C33	KGA, bishop's gambit, Jaenisch variation	113	41.6%	48.2%	0.07 MB
C33	KGA, bishop's gambit, Lopez-Gianutio counter-gambit	4	25.0%	62.5%	0.00 MB
C33	KGA, bishop's gambit, Maurian defence	19	31.6%	52.6%	0.01 MB
C33	KGA, bishop's gambit, Morphy variation	25	36.0%	54.0%	0.02 MB
C33	KGA, bishop's gambit, Paulsen attack	6	66.7%	50.0%	0.01 MB
C33	KGA, bishop's gambit, Ruy Lopez defence	16	50.0%	50.0%	0.01 MB
C33	KGA, bishop's gambit, Steinitz defence	29	44.8%	50.0%	0.02 MB
C33	KGA, bishop's gambit, classical defence	3	0.0%	33.3%	0.00 MB
C33	King's gambit accepted	3	33.3%	16.7%	0.00 MB
C34	KGA, Becker defence	33	42.4%	45.5%	0.02 MB
C34	KGA, Bonsch-Osmolovsky variation	40	45.0%	55.0%	0.03 MB
C34	KGA, Fischer defence	142	30.3%	46.1%	0.09 MB
C34	KGA, Gianutio counter-gambit	2	100.0%	50.0%	0.00 MB
C34	KGA, Schallop defence	39	33.3%	62.8%	0.03 MB
C34	King's knight's gambit	17	29.4%	32.4%	0.01 MB
C35	KGA, Cunningham defence	68	35.3%	50.0%	0.04 MB
C35	KGA, Cunningham, Euwe defence	22	27.3%	54.5%	0.02 MB
C36	KGA, Abbazia defence (classical defence, modern defence[!])	52	38.5%	67.3%	0.04 MB
C36	KGA, Abbazia defence, modern variation	273	42.1%	44.5%	0.18 MB
C37	KGA, Blachly gambit	28	35.7%	28.6%	0.02 MB
C37	KGA, Cochrane gambit	3	33.3%	50.0%	0.00 MB
C37	KGA, King's knight's gambit	18	61.1%	63.9%	0.01 MB
C37	KGA, Muzio gambit	9	44.4%	33.3%	0.01 MB
C37	KGA, Muzio gambit, Brentano defence	4	25.0%	62.5%	0.00 MB
C37	KGA, Muzio gambit, From defence	1	100.0%	50.0%	0.00 MB
C37	KGA, Quaade gambit	9	33.3%	27.8%	0.01 MB
C37	KGA, Rosentreter gambit	12	50.0%	33.3%	0.01 MB
C37	KGA, Salvio gambit	2	50.0%	75.0%	0.00 MB
C37	KGA, Salvio gambit, Anderssen counter-attack	5	0.0%	60.0%	0.00 MB
C37	KGA, Silberschmidt gambit	3	33.3%	50.0%	0.00 MB
C38	KGA, Hanstein gambit	8	37.5%	43.8%	0.01 MB
C38	KGA, Philidor gambit	16	12.5%	31.3%	0.01 MB
C38	King's knight's gambit	23	39.1%	28.3%	0.02 MB
C39	KGA, Allgaier, Thorold variation	1	0.0%	0.0%	0.00 MB
C39	KGA, Allgaier, Walker attack	1	0.0%	0.0%	0.00 MB
C39	KGA, Kieseritsky, Berlin defence	62	37.1%	42.7%	0.04 MB
C39	KGA, Kieseritsky, Berlin defence, 6.Bc4	43	34.9%	36.0%	0.03 MB
C39	KGA, Kieseritsky, Brentano (Campbell) defence	1	0.0%	100.0%	0.00 MB
C39	KGA, Kieseritsky, Brentano defence	1	0.0%	100.0%	0.00 MB
C39	KGA, Kieseritsky, Brentano defence, Caro variation	2	100.0%	50.0%	0.00 MB
C39	KGA, Kieseritsky, Kolisch defence	81	45.7%	45.1%	0.05 MB
C39	KGA, Kieseritsky, Neumann defence	13	53.8%	65.4%	0.01 MB
C39	KGA, Kieseritsky, Paulsen defence	8	25.0%	37.5%	0.01 MB
C39	KGA, Kieseritsky, Rice gambit	17	23.5%	29.4%	0.01 MB
C39	KGA, Kieseritsky, Salvio (Rosenthal) defence	55	47.3%	38.2%	0.04 MB
C39	KGA, Kieseritsky, long whip (Stockwhip, classical) defence	6	33.3%	33.3%	0.01 MB
C40	Greco defence	10	30.0%	45.0%	0.01 MB
C40	Gunderam defence	79	29.1%	67.7%	0.06 MB
C40	King's knight opening	2	0.0%	50.0%	0.00 MB
C40	Latvian counter-gambit	86	31.4%	61.0%	0.06 MB
C40	Latvian gambit, 3.Bc4	9	66.7%	44.4%	0.01 MB
C40	Latvian, Fraser defence	11	18.2%	54.5%	0.01 MB
C40	Latvian, Polerio variation	22	27.3%	40.9%	0.01 MB
C40	QP counter-gambit (elephant gambit)	15	60.0%	63.3%	0.01 MB
C40	QP counter-gambit, Maroczy gambit	3	66.7%	66.7%	0.00 MB
C41	Philidor's defence	269	36.8%	60.4%	0.19 MB
C41	Philidor, Hanham variation	41	34.1%	61.0%	0.03 MB
C41	Philidor, Hanham, Delmar variation	4	50.0%	75.0%	0.00 MB
C41	Philidor, Hanham, Krause variation	14	57.1%	42.9%	0.01 MB
C41	Philidor, Hanham, Schlechter variation	21	28.6%	71.4%	0.02 MB
C41	Philidor, Hanham, Steiner variation	21	38.1%	66.7%	0.02 MB
C41	Philidor, Improved Hanham variation	1025	38.4%	57.2%	0.67 MB
C41	Philidor, Larsen variation	36	22.2%	69.4%	0.03 MB
C41	Philidor, Lopez counter-gambit	2	0.0%	50.0%	0.00 MB
C41	Philidor, Nimzovich (Jaenisch) variation	20	40.0%	45.0%	0.02 MB
C41	Philidor, Nimzovich variation	49	46.9%	56.1%	0.04 MB
C41	Philidor, Nimzovich, Klein variation	7	85.7%	57.1%	0.01 MB
C41	Philidor, Nimzovich, Larobok variation	59	47.5%	33.9%	0.03 MB
C41	Philidor, Nimzovich, Rellstab variation	36	41.7%	65.3%	0.03 MB
C41	Philidor, Nimzovich, Sokolsky variation	8	62.5%	68.8%	0.01 MB
C41	Philidor, Nimzovich, Sozin variation	7	42.9%	50.0%	0.01 MB
C41	Philidor, Paulsen attack	2	50.0%	25.0%	0.00 MB
C41	Philidor, Philidor counter-gambit	14	21.4%	67.9%	0.01 MB
C41	Philidor, Philidor counter-gambit, Zukertort variation	8	62.5%	68.8%	0.01 MB
C41	Philidor, Philidor counter-gambit, del Rio attack	3	0.0%	66.7%	0.00 MB
C41	Philidor, Steinitz variation	2	0.0%	0.0%	0.00 MB
C41	Philidor, exchange variation	757	37.9%	58.9%	0.48 MB
C42	Petrov three knights game	265	38.1%	57.2%	0.18 MB
C42	Petrov's defence	286	43.0%	53.3%	0.20 MB
C42	Petrov, Cochrane gambit	65	18.5%	32.3%	0.04 MB
C42	Petrov, Cozio (Lasker) attack	505	48.7%	52.7%	0.35 MB
C42	Petrov, Damiano variation	24	41.7%	50.0%	0.02 MB
C42	Petrov, French attack	9	66.7%	66.7%	0.01 MB
C42	Petrov, Italian variation	63	27.0%	50.0%	0.04 MB
C42	Petrov, Kaufmann attack	199	48.7%	50.5%	0.13 MB
C42	Petrov, Nimzovich attack	1156	45.2%	55.2%	0.71 MB
C42	Petrov, Paulsen attack	157	40.8%	52.2%	0.11 MB
C42	Petrov, classical attack	790	47.3%	56.8%	0.50 MB
C42	Petrov, classical attack, Berger variation	12	75.0%	54.2%	0.01 MB
C42	Petrov, classical attack, Chigorin variation	577	40.9%	57.0%	0.36 MB
C42	Petrov, classical attack, Jaenisch variation	1664	45.6%	58.3%	1.03 MB
C42	Petrov, classical attack, Krause variation	9	44.4%	33.3%	0.01 MB
C42	Petrov, classical attack, Marshall variation	969	43.6%	57.1%	0.61 MB
C42	Petrov, classical attack, Mason variation	118	42.4%	57.6%	0.08 MB
C42	Petrov, classical attack, Tarrasch variation	2	50.0%	75.0%	0.00 MB
C42	Petrov, classical attack, close variation	142	46.5%	59.2%	0.10 MB
C43	Petrov, Urusov gambit	6	33.3%	83.3%	0.01 MB
C43	Petrov, modern (Steinitz) attack	35	45.7%	60.0%	0.03 MB
C43	Petrov, modern attack, Bardeleben variation	4	25.0%	62.5%	0.00 MB
C43	Petrov, modern attack, Steinitz variation	1	100.0%	50.0%	0.00 MB
C43	Petrov, modern attack, Symmetrical variation	2454	45.0%	53.3%	1.44 MB
C43	Petrov, modern attack, Trifunovic variation	55	45.5%	48.2%	0.04 MB
C43	Petrov, modern attack, main line	200	47.0%	58.5%	0.13 MB
C44	Dresden opening	4	0.0%	25.0%	0.00 MB
C44	Inverted Hanham	30	30.0%	45.0%	0.03 MB
C44	Inverted Hungarian	22	45.5%	59.1%	0.02 MB
C44	King's pawn game	85	37.6%	51.8%	0.07 MB
C44	Konstantinopolsky opening	12	50.0%	58.3%	0.01 MB
C44	Ponziani counter-gambit	108	43.5%	57.9%	0.07 MB
C44	Ponziani counter-gambit, Cordel variation	1	0.0%	0.0%	0.00 MB
C44	Ponziani opening	322	33.9%	45.2%	0.21 MB
C44	Ponziani, Caro variation	227	44.9%	49.3%	0.16 MB
C44	Ponziani, Fraser defence	56	39.3%	66.1%	0.03 MB
C44	Ponziani, Jaenisch counter-attack	2131	45.8%	52.7%	1.31 MB
C44	Ponziani, Leonhardt variation	100	35.0%	48.5%	0.07 MB
C44	Ponziani, Reti variation	28	32.1%	58.9%	0.02 MB
C44	Ponziani, Romanishin variation	16	31.3%	46.9%	0.01 MB
C44	Ponziani, Steinitz variation	471	41.6%	45.9%	0.30 MB
C44	Scotch gambit	52	36.5%	62.5%	0.04 MB
C44	Scotch gambit, Anderssen (Paulsen, Suhle) counter-attack	6	66.7%	33.3%	0.00 MB
C44	Scotch gambit, Benima defence	53	35.8%	55.7%	0.04 MB
C44	Scotch gambit, Dubois-Reti defence	300	41.7%	51.5%	0.20 MB
C44	Scotch gambit, Hanneken variation	1	0.0%	100.0%	0.00 MB
C44	Scotch opening	4	75.0%	37.5%	0.00 MB
C44	Scotch, Goering gambit	190	44.7%	57.1%	0.13 MB
C44	Scotch, Goering gambit, Bardeleben variation	10	50.0%	45.0%	0.01 MB
C44	Scotch, Lolli variation	16	37.5%	56.3%	0.02 MB
C44	Scotch, Relfsson gambit ('MacLopez')	6	66.7%	66.7%	0.01 MB
C45	Scotch game	2436	42.8%	53.6%	1.51 MB
C45	Scotch, Blackburne attack	17	41.2%	50.0%	0.01 MB
C45	Scotch, Blumenfeld attack	16	37.5%	31.3%	0.01 MB
C45	Scotch, Ghulam Kassim variation	4	100.0%	50.0%	0.00 MB
C45	Scotch, Horwitz attack	25	36.0%	66.0%	0.02 MB
C45	Scotch, Meitner variation	35	54.3%	55.7%	0.03 MB
C45	Scotch, Mieses variation	1393	41.2%	54.2%	0.80 MB
C45	Scotch, Paulsen attack	3	33.3%	83.3%	0.00 MB
C45	Scotch, Potter variation	529	39.7%	51.6%	0.33 MB
C45	Scotch, Pulling counter-attack	5	20.0%	70.0%	0.00 MB
C45	Scotch, Romanishin variation	57	43.9%	60.5%	0.04 MB
C45	Scotch, Schmidt variation	663	49.6%	46.7%	0.42 MB
C45	Scotch, Steinitz variation	42	33.3%	54.8%	0.03 MB
C45	Scotch, Tartakower variation	16	37.5%	43.8%	0.01 MB
C46	Four knights game	619	44.1%	50.2%	0.41 MB
C46	Four knights, Gunsberg variation	99	46.5%	50.5%	0.07 MB
C46	Four knights, Italian variation	176	42.0%	47.2%	0.13 MB
C46	Four knights, Schultze-Mueller gambit	3	0.0%	33.3%	0.00 MB
C46	Three knights game	147	38.1%	54.4%	0.10 MB
C46	Three knights, Schlechter variation	20	35.0%	52.5%	0.02 MB
C46	Three knights, Steinitz variation	60	41.7%	54.2%	0.04 MB
C46	Three knights, Steinitz, Rosenthal variation	7	42.9%	35.7%	0.01 MB
C46	Three knights, Winawer defence (Gothic defence)	1	0.0%	100.0%	0.00 MB
C47	Four knights, Belgrade gambit	109	46.8%	54.6%	0.07 MB
C47	Four knights, Scotch variation	15	20.0%	56.7%	0.01 MB
C47	Four knights, Scotch, 4...exd4	476	49.2%	53.8%	0.32 MB
C47	Four knights, Scotch, Krause variation	35	37.1%	64.3%	0.03 MB
C48	Four knights, Bardeleben variation	8	50.0%	50.0%	0.01 MB
C48	Four knights, Marshall variation	6	16.7%	41.7%	0.01 MB
C48	Four knights, Ranken variation	19	52.6%	63.2%	0.02 MB
C48	Four knights, Rubinstein counter-gambit	1073	39.6%	52.5%	0.70 MB
C48	Four knights, Rubinstein counter-gambit, 5.Be2	2	100.0%	50.0%	0.00 MB
C48	Four knights, Rubinstein counter-gambit, Bogolyubov variation	17	52.9%	44.1%	0.01 MB
C48	Four knights, Rubinstein counter-gambit, Henneberger variation	65	43.1%	52.3%	0.05 MB
C48	Four knights, Rubinstein counter-gambit, exchange variation	149	65.8%	52.3%	0.10 MB
C48	Four knights, Spanish variation	246	51.2%	56.5%	0.17 MB
C48	Four knights, Spanish, classical defence	186	45.2%	50.0%	0.13 MB
C48	Four knights, Spielmann variation	4	75.0%	37.5%	0.00 MB
C49	Four knights	68	52.9%	48.5%	0.05 MB
C49	Four knights, Gunsberg counter-attack	1	100.0%	50.0%	0.00 MB
C49	Four knights, Janowski variation	15	40.0%	60.0%	0.01 MB
C49	Four knights, Nimzovich (Paulsen) variation	54	57.4%	58.3%	0.05 MB
C49	Four knights, Svenonius variation	3	66.7%	66.7%	0.00 MB
C49	Four knights, double Ruy Lopez	88	46.6%	61.9%	0.07 MB
C49	Four knights, symmetrical variation	197	42.6%	55.3%	0.14 MB
C49	Four knights, symmetrical, Blake variation	4	75.0%	62.5%	0.00 MB
C49	Four knights, symmetrical, Capablanca variation	22	59.1%	61.4%	0.02 MB
C49	Four knights, symmetrical, Maroczy system	57	45.6%	50.9%	0.04 MB
C49	Four knights, symmetrical, Metger unpin	333	36.0%	51.1%	0.24 MB
C49	Four knights, symmetrical, Pillsbury variation	48	56.3%	44.8%	0.04 MB
C49	Four knights, symmetrical, Tarrasch variation	16	50.0%	50.0%	0.01 MB
C50	Giuoco Pianissimo	1763	38.3%	53.2%	1.12 MB
C50	Giuoco Pianissimo, Canal variation	188	43.1%	52.9%	0.13 MB
C50	Giuoco Pianissimo, Italian four knights variation	410	37.6%	51.5%	0.28 MB
C50	Giuoco Piano	810	38.4%	52.3%	0.52 MB
C50	Giuoco Piano, four knights variation	63	36.5%	53.2%	0.05 MB
C50	Hungarian defence	179	40.2%	49.7%	0.13 MB
C50	King's pawn game	226	35.8%	60.0%	0.15 MB
C50	Rousseau gambit	3	33.3%	50.0%	0.00 MB
C51	Evans counter-gambit	6	50.0%	58.3%	0.01 MB
C51	Evans gambit	4	50.0%	75.0%	0.00 MB
C51	Evans gambit declined	30	23.3%	58.3%	0.02 MB
C51	Evans gambit declined, 5.a4	172	42.4%	46.2%	0.11 MB
C51	Evans gambit declined, Lange variation	2	0.0%	0.0%	0.00 MB
C51	Evans gambit declined, Showalter variation	34	47.1%	52.9%	0.03 MB
C51	Evans gambit, 5...Be7	44	36.4%	59.1%	0.03 MB
C51	Evans gambit, Cordel variation	87	49.4%	46.6%	0.06 MB
C51	Evans gambit, Fraser attack	2	0.0%	100.0%	0.00 MB
C51	Evans gambit, Goering attack	1	0.0%	100.0%	0.00 MB
C51	Evans gambit, Morphy attack	21	42.9%	54.8%	0.02 MB
C51	Evans gambit, Paulsen variation	18	27.8%	69.4%	0.01 MB
C51	Evans gambit, Stone-Ware variation	210	33.8%	49.8%	0.14 MB
C51	Evans gambit, normal variation	20	20.0%	50.0%	0.02 MB
C52	Evans gambit	305	38.4%	46.4%	0.19 MB
C52	Evans gambit, Alapin-Steinitz variation	2	50.0%	25.0%	0.00 MB
C52	Evans gambit, Lasker defence	8	25.0%	25.0%	0.01 MB
C52	Evans gambit, Leonhardt variation	4	50.0%	50.0%	0.00 MB
C52	Evans gambit, Levenfish variation	6	16.7%	25.0%	0.01 MB
C52	Evans gambit, Richardson attack	19	36.8%	28.9%	0.02 MB
C52	Evans gambit, Sanders-Alapin variation	2	0.0%	100.0%	0.00 MB
C52	Evans gambit, Tartakower attack	72	45.8%	43.8%	0.05 MB
C52	Evans gambit, Waller attack	6	0.0%	100.0%	0.00 MB
C52	Evans gambit, compromised defence	44	20.5%	73.9%	0.03 MB
C52	Evans gambit, compromised defence, Paulsen variation	16	25.0%	62.5%	0.01 MB
C53	Giuoco Piano	2118	38.1%	52.7%	1.33 MB
C53	Giuoco Piano, Anderssen variation	20	60.0%	40.0%	0.02 MB
C53	Giuoco Piano, Bird's attack	154	29.9%	49.4%	0.10 MB
C53	Giuoco Piano, LaBourdonnais variation	21	52.4%	50.0%	0.02 MB
C53	Giuoco Piano, Mestel variation	3	33.3%	83.3%	0.00 MB
C53	Giuoco Piano, centre-holding variation	50	36.0%	62.0%	0.04 MB
C53	Giuoco Piano, close variation	48	37.5%	60.4%	0.04 MB
C54	Giuoco Piano	180	53.3%	52.8%	0.12 MB
C54	Giuoco Piano, Moeller (Therkatz) attack	37	45.9%	47.3%	0.03 MB
C54	Giuoco Piano, Moeller, bayonet attack	1	0.0%	100.0%	0.00 MB
C54	Giuoco Piano, Therkatz-Herzog variation	1	0.0%	0.0%	0.00 MB
C55	Giuoco piano	2	0.0%	50.0%	0.00 MB
C55	Two knights defence	67	44.8%	52.2%	0.05 MB
C55	Two knights defence (Modern bishop's opening)	1355	38.5%	56.2%	0.89 MB
C55	Two knights defence, Keidanz variation	1	100.0%	50.0%	0.00 MB
C55	Two knights defence, Perreux variation	27	44.4%	55.6%	0.02 MB
C55	Two knights, Max Lange attack	21	38.1%	52.4%	0.01 MB
C55	Two knights, Max Lange attack, Loman defence	1	0.0%	100.0%	0.00 MB
C55	Two knights, Max Lange attack, Marshall variation	8	25.0%	62.5%	0.01 MB
C55	Two knights, Max Lange attack, Schlechter variation	22	50.0%	52.3%	0.01 MB
C55	Two knights, Max Lange attack, Steinitz variation	12	41.7%	62.5%	0.01 MB
C56	Two knights defence	139	43.9%	49.3%	0.09 MB
C56	Two knights defence, Canal variation	5	40.0%	40.0%	0.00 MB
C57	Two knights defence	12	16.7%	41.7%	0.01 MB
C57	Two knights defence, Fegatello attack	68	26.5%	52.9%	0.04 MB
C57	Two knights defence, Fegatello attack, Leonhardt variation	8	25.0%	50.0%	0.01 MB
C57	Two knights defence, Fegatello attack, Polerio defence	4	0.0%	100.0%	0.00 MB
C57	Two knights defence, Fritz variation	25	56.0%	48.0%	0.02 MB
C57	Two knights defence, Fritz, Gruber variation	6	33.3%	50.0%	0.01 MB
C57	Two knights defence, Lolli attack	19	36.8%	55.3%	0.01 MB
C57	Two knights defence, Ulvestad variation	32	59.4%	45.3%	0.02 MB
C57	Two knights defence, Wilkes Barre (Traxler) variation	56	37.5%	56.3%	0.04 MB
C58	Two knights defence	195	35.9%	56.4%	0.12 MB
C58	Two knights defence, Blackburne variation	3	0.0%	66.7%	0.00 MB
C58	Two knights defence, Bogolyubov variation	60	31.7%	45.8%	0.04 MB
C58	Two knights defence, Colman variation	42	31.0%	39.3%	0.03 MB
C58	Two knights defence, Kieseritsky variation	8	50.0%	62.5%	0.01 MB
C58	Two knights defence, Paoli variation	9	33.3%	72.2%	0.01 MB
C58	Two knights defence, Yankovich variation	12	41.7%	20.8%	0.01 MB
C59	Two knights defence	192	38.0%	49.2%	0.12 MB
C59	Two knights defence, Goering variation	4	25.0%	12.5%	0.00 MB
C59	Two knights defence, Steinitz variation	345	29.3%	48.0%	0.20 MB
C60	Ruy Lopez (Spanish opening)	39	23.1%	62.8%	0.03 MB
C60	Ruy Lopez, Cozio defence	303	42.6%	51.3%	0.20 MB
C60	Ruy Lopez, Cozio defence, Paulsen variation	37	27.0%	70.3%	0.03 MB
C60	Ruy Lopez, Lucena defence	4	25.0%	62.5%	0.00 MB
C60	Ruy Lopez, Vinogradov variation	2	50.0%	75.0%	0.00 MB
C60	Ruy Lopez, fianchetto (Smyslov/Barnes) defence	352	41.8%	51.3%	0.23 MB
C61	Ruy Lopez, Bird's defence	216	41.2%	58.6%	0.14 MB
C61	Ruy Lopez, Bird's defence, Paulsen variation	6	50.0%	58.3%	0.01 MB
C62	Ruy Lopez, old Steinitz defence	282	39.4%	54.8%	0.20 MB
C62	Ruy Lopez, old Steinitz defence, Nimzovich attack	5	20.0%	50.0%	0.01 MB
C63	Ruy Lopez, Schliemann defence	338	43.5%	57.8%	0.23 MB
C63	Ruy Lopez, Schliemann defence, Berger variation	388	43.0%	56.6%	0.25 MB
C64	Ruy Lopez, Cordel gambit	73	42.5%	56.8%	0.05 MB
C64	Ruy Lopez, classical (Cordel) defence	236	41.9%	53.6%	0.16 MB
C64	Ruy Lopez, classical defence, 4.c3	267	41.9%	55.8%	0.18 MB
C64	Ruy Lopez, classical defence, Benelux variation	401	39.9%	56.4%	0.26 MB
C64	Ruy Lopez, classical defence, Charousek variation	5	40.0%	80.0%	0.01 MB
C64	Ruy Lopez, classical defence, Zaitsev variation	2	100.0%	50.0%	0.00 MB
C65	Ruy Lopez, Berlin defence	3038	39.6%	51.2%	1.95 MB
C65	Ruy Lopez, Berlin defence, 4.O-O	182	41.2%	58.5%	0.13 MB
C65	Ruy Lopez, Berlin defence, Anderssen variation	1	100.0%	50.0%	0.00 MB
C65	Ruy Lopez, Berlin defence, Beverwijk variation	518	37.1%	57.5%	0.34 MB
C65	Ruy Lopez, Berlin defence, Duras variation	14	35.7%	53.6%	0.01 MB
C65	Ruy Lopez, Berlin defence, Kaufmann variation	32	46.9%	54.7%	0.03 MB
C65	Ruy Lopez, Berlin defence, Mortimer variation	15	60.0%	30.0%	0.01 MB
C65	Ruy Lopez, Berlin defence, Nyholm attack	77	55.8%	53.9%	0.06 MB
C66	Ruy Lopez, Berlin defence, 4.O-O, d6	96	49.0%	55.7%	0.07 MB
C66	Ruy Lopez, Berlin defence, hedgehog variation	103	51.5%	58.7%	0.07 MB
C66	Ruy Lopez, closed Berlin defence, Bernstein variation	14	35.7%	53.6%	0.01 MB
C66	Ruy Lopez, closed Berlin defence, Chigorin variation	4	0.0%	50.0%	0.01 MB
C66	Ruy Lopez, closed Berlin defence, Showalter variation	55	47.3%	56.4%	0.04 MB
C66	Ruy Lopez, closed Berlin defence, Wolf variation	61	57.4%	56.6%	0.04 MB
C67	Ruy Lopez, Berlin defence, Cordel variation	59	35.6%	58.5%	0.04 MB
C67	Ruy Lopez, Berlin defence, Minckwitz variation	43	48.8%	61.6%	0.03 MB
C67	Ruy Lopez, Berlin defence, Pillsbury variation	1	0.0%	0.0%	0.00 MB
C67	Ruy Lopez, Berlin defence, Rosenthal variation	25	48.0%	64.0%	0.02 MB
C67	Ruy Lopez, Berlin defence, Trifunovic variation	5	20.0%	90.0%	0.00 MB
C67	Ruy Lopez, Berlin defence, Winawer attack	29	34.5%	69.0%	0.02 MB
C67	Ruy Lopez, Berlin defence, Zukertort variation	15	53.3%	60.0%	0.01 MB
C67	Ruy Lopez, Berlin defence, open variation	3719	46.3%	54.0%	2.23 MB
C67	Ruy Lopez, open Berlin defence, 5...Be7	74	37.8%	52.7%	0.05 MB
C67	Ruy Lopez, open Berlin defence, Showalter variation	16	25.0%	50.0%	0.01 MB
C67	Ruy Lopez, open Berlin defence, l'Hermet variation	83	56.6%	50.0%	0.06 MB
C68	Ruy Lopez, exchange variation	82	40.2%	53.0%	0.06 MB
C68	Ruy Lopez, exchange, Alekhine variation	16	37.5%	43.8%	0.01 MB
C68	Ruy Lopez, exchange, Keres variation	98	51.0%	52.0%	0.07 MB
C68	Ruy Lopez, exchange, Romanovsky variation	16	31.3%	53.1%	0.01 MB
C69	Ruy Lopez, exchange variation, 5.O-O	710	42.1%	53.9%	0.45 MB
C69	Ruy Lopez, exchange variation, Alapin gambit	286	42.0%	51.0%	0.17 MB
C69	Ruy Lopez, exchange, Bronstein variation	507	34.1%	50.6%	0.33 MB
C69	Ruy Lopez, exchange, Gligoric variation	742	42.9%	55.0%	0.46 MB
C70	Ruy Lopez	64	40.6%	56.3%	0.05 MB
C70	Ruy Lopez, Alapin's defence deferred	15	33.3%	76.7%	0.01 MB
C70	Ruy Lopez, Caro variation	86	41.9%	59.3%	0.07 MB
C70	Ruy Lopez, Classical defence deferred	97	44.3%	60.3%	0.08 MB
C70	Ruy Lopez, Cozio defence deferred	317	44.8%	52.7%	0.21 MB
C70	Ruy Lopez, Graz variation	6	100.0%	50.0%	0.00 MB
C70	Ruy Lopez, Schliemann defence deferred	21	28.6%	71.4%	0.02 MB
C70	Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation	133	38.3%	64.3%	0.09 MB
C70	Ruy Lopez, fianchetto defence deferred	58	55.2%	53.4%	0.04 MB
C71	Ruy Lopez, modern Steinitz defence	112	42.9%	55.4%	0.08 MB
C71	Ruy Lopez, modern Steinitz defence, Duras (Keres) variation	125	43.2%	57.6%	0.10 MB
C71	Ruy Lopez, modern Steinitz defence, Three knights variation	17	41.2%	50.0%	0.01 MB
C72	Ruy Lopez, modern Steinitz defence, 5.O-O	466	44.8%	57.4%	0.32 MB
C73	Ruy Lopez, modern Steinitz defence, Alapin variation	106	36.8%	51.4%	0.07 MB
C73	Ruy Lopez, modern Steinitz defence, Richter variation	146	51.4%	53.8%	0.10 MB
C74	Ruy Lopez, Siesta, Kopayev variation	145	32.4%	55.5%	0.10 MB
C74	Ruy Lopez, modern Steinitz defence	67	34.3%	56.0%	0.05 MB
C74	Ruy Lopez, modern Steinitz defence, siesta variation	26	38.5%	50.0%	0.02 MB
C75	Ruy Lopez, modern Steinitz defence	162	43.2%	54.3%	0.11 MB
C75	Ruy Lopez, modern Steinitz defence, Rubinstein variation	85	38.8%	55.9%	0.07 MB
C76	Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation	343	34.7%	51.5%	0.24 MB
C77	Ruy Lopez, Anderssen variation	940	41.5%	51.5%	0.62 MB
C77	Ruy Lopez, Morphy defence	208	39.4%	56.3%	0.16 MB
C77	Ruy Lopez, Morphy defence, Duras variation	52	40.4%	56.7%	0.04 MB
C77	Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)	74	43.2%	44.6%	0.06 MB
C77	Ruy Lopez, Wormald (Alapin) attack	360	42.8%	54.4%	0.25 MB
C77	Ruy Lopez, Wormald attack, Gruenfeld variation	2	100.0%	50.0%	0.00 MB
C77	Ruy Lopez, four knights (Tarrasch) variation	155	47.1%	55.8%	0.12 MB
C78	Ruy Lopez, ...b5 & ...d6	52	36.5%	52.9%	0.04 MB
C78	Ruy Lopez, 5.O-O	1125	46.3%	54.5%	0.70 MB
C78	Ruy Lopez, Archangelsk (counterthrust) variation	1581	41.9%	54.6%	1.03 MB
C78	Ruy Lopez, Moeller defence	582	42.3%	53.3%	0.38 MB
C78	Ruy Lopez, Wing attack	8	50.0%	50.0%	0.01 MB
C79	Ruy Lopez, Steinitz defence deferred (Russian defence)	257	41.2%	54.5%	0.18 MB
C79	Ruy Lopez, Steinitz defence deferred, Lipnitsky variation	11	72.7%	54.5%	0.01 MB
C79	Ruy Lopez, Steinitz defence deferred, Rubinstein variation	14	35.7%	60.7%	0.01 MB
C80	Ruy Lopez, open (Tarrasch) defence	57	45.6%	59.6%	0.04 MB
C80	Ruy Lopez, open, 6.d4	45	37.8%	45.6%	0.03 MB
C80	Ruy Lopez, open, 7.Bb3	485	41.0%	52.9%	0.28 MB
C80	Ruy Lopez, open, 8...Be6	1242	38.5%	43.2%	0.73 MB
C80	Ruy Lopez, open, Berger variation	3	66.7%	33.3%	0.00 MB
C80	Ruy Lopez, open, Bernstein variation	896	48.3%	62.9%	0.54 MB
C80	Ruy Lopez, open, Bernstein variation, Karpov gambit	26	46.2%	42.3%	0.02 MB
C80	Ruy Lopez, open, Friess attack	10	20.0%	60.0%	0.01 MB
C80	Ruy Lopez, open, Harksen gambit	1	0.0%	100.0%	0.00 MB
C80	Ruy Lopez, open, Riga variation	10	50.0%	65.0%	0.01 MB
C80	Ruy Lopez, open, Schlechter defence	19	31.6%	26.3%	0.01 MB
C80	Ruy Lopez, open, Tartakower variation	11	54.5%	45.5%	0.01 MB
C80	Ruy Lopez, open, Zukertort variation	3	33.3%	50.0%	0.00 MB
C81	Ruy Lopez, open, Howell attack	146	50.7%	52.1%	0.10 MB
C81	Ruy Lopez, open, Howell attack, Adam variation	2	0.0%	0.0%	0.00 MB
C81	Ruy Lopez, open, Howell attack, Ekstroem variation	10	40.0%	60.0%	0.01 MB
C82	Ruy Lopez, open, 9.c3	7	28.6%	71.4%	0.01 MB
C82	Ruy Lopez, open, Berlin variation	24	29.2%	72.9%	0.02 MB
C82	Ruy Lopez, open, Dilworth variation	160	41.9%	60.9%	0.11 MB
C82	Ruy Lopez, open, Italian variation	93	50.5%	65.1%	0.06 MB
C82	Ruy Lopez, open, Motzko attack	67	46.3%	59.0%	0.05 MB
C82	Ruy Lopez, open, Motzko attack, Nenarokov variation	10	60.0%	70.0%	0.01 MB
C82	Ruy Lopez, open, St. Petersburg variation	191	41.4%	65.7%	0.13 MB
C83	Ruy Lopez, open, 9...Be7, 10.Re1	43	34.9%	54.7%	0.03 MB
C83	Ruy Lopez, open, Breslau variation	2	50.0%	75.0%	0.00 MB
C83	Ruy Lopez, open, Malkin variation	16	62.5%	56.3%	0.01 MB
C83	Ruy Lopez, open, classical defence	181	47.5%	60.8%	0.13 MB
C84	Ruy Lopez, closed defence	1350	40.7%	52.1%	0.87 MB
C84	Ruy Lopez, closed, Basque gambit (North Spanish variation)	2	50.0%	25.0%	0.00 MB
C84	Ruy Lopez, closed, centre attack	173	48.6%	46.2%	0.12 MB
C85	Ruy Lopez, Exchange variation doubly deferred (DERLD)	1281	39.7%	49.1%	0.85 MB
C86	Ruy Lopez, Worrall attack	24	54.2%	56.3%	0.02 MB
C86	Ruy Lopez, Worrall attack, sharp line	226	38.1%	53.1%	0.15 MB
C86	Ruy Lopez, Worrall attack, solid line	80	40.0%	47.5%	0.06 MB
C87	Ruy Lopez, closed, Averbach variation	264	40.9%	59.8%	0.18 MB
C88	Ruy Lopez, Trajkovic counter-attack	651	41.6%	52.0%	0.43 MB
C88	Ruy Lopez, closed	1248	41.4%	52.7%	0.85 MB
C88	Ruy Lopez, closed, 7...O-O	2880	40.3%	52.2%	1.86 MB
C88	Ruy Lopez, closed, 7...d6, 8.d4	21	33.3%	21.4%	0.01 MB
C88	Ruy Lopez, closed, 8.c3	27	37.0%	63.0%	0.02 MB
C88	Ruy Lopez, closed, Balla variation	44	36.4%	54.5%	0.03 MB
C88	Ruy Lopez, closed, anti-Marshall 8.a4	1563	39.5%	53.7%	1.02 MB
C89	Ruy Lopez, Marshall counter-attack	520	52.5%	54.5%	0.33 MB
C89	Ruy Lopez, Marshall counter-attack, 11...c6	176	46.0%	56.0%	0.12 MB
C89	Ruy Lopez, Marshall, Herman Steiner variation	3	33.3%	83.3%	0.00 MB
C89	Ruy Lopez, Marshall, Kevitz variation	2	100.0%	50.0%	0.00 MB
C89	Ruy Lopez, Marshall, main line, 12.d2d4	213	42.3%	62.9%	0.15 MB
C89	Ruy Lopez, Marshall, main line, 14...Qh3	427	50.4%	50.9%	0.29 MB
C89	Ruy Lopez, Marshall, main line, Spassky variation	1	0.0%	0.0%	0.00 MB
C90	Ruy Lopez, closed (with ...d6)	1194	36.9%	51.5%	0.81 MB
C90	Ruy Lopez, closed, Lutikov variation	37	48.6%	56.8%	0.03 MB
C90	Ruy Lopez, closed, Pilnik variation	825	35.5%	51.7%	0.57 MB
C90	Ruy Lopez, closed, Suetin variation	77	35.1%	56.5%	0.06 MB
C91	Ruy Lopez, closed, 9.d4	1219	39.0%	57.8%	0.85 MB
C91	Ruy Lopez, closed, Bogolyubov variation	3799	43.2%	53.8%	2.47 MB
C92	Ruy Lopez, closed, 9.h3	386	42.7%	52.2%	0.26 MB
C92	Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)	1881	38.6%	56.3%	1.19 MB
C92	Ruy Lopez, closed, Keres (9...a5) variation	18	50.0%	47.2%	0.01 MB
C92	Ruy Lopez, closed, Kholmov variation	122	30.3%	66.0%	0.07 MB
C92	Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation	320	42.5%	63.8%	0.21 MB
C93	Ruy Lopez, closed, Smyslov defence	165	40.6%	57.9%	0.11 MB
C94	Ruy Lopez, closed, Breyer defence	61	39.3%	57.4%	0.05 MB
C95	Ruy Lopez, closed, Breyer, 10.d4	1	0.0%	0.0%	0.00 MB
C95	Ruy Lopez, closed, Breyer, Borisenko variation	737	40.2%	56.4%	0.49 MB
C95	Ruy Lopez, closed, Breyer, Gligoric variation	48	45.8%	54.2%	0.04 MB
C95	Ruy Lopez, closed, Breyer, Simagin variation	20	35.0%	57.5%	0.01 MB
C96	Ruy Lopez, closed (10...c5)	644	33.1%	64.7%	0.43 MB
C96	Ruy Lopez, closed (8...Na5)	22	54.5%	63.6%	0.02 MB
C96	Ruy Lopez, closed, Borisenko defence	40	40.0%	57.5%	0.03 MB
C96	Ruy Lopez, closed, Keres (...Nd7) defence	211	37.4%	65.6%	0.14 MB
C96	Ruy Lopez, closed, Rossolimo defence	3	0.0%	33.3%	0.00 MB
C97	Ruy Lopez, closed, Chigorin defence	769	30.6%	63.5%	0.51 MB
C98	Ruy Lopez, closed, Chigorin, 12...Nc6	138	31.9%	61.6%	0.10 MB
C99	Ruy Lopez, closed, Chigorin, 12...c5d4	909	40.3%	62.7%	0.57 MB
D00	Blackmar gambit	212	40.1%	40.8%	0.13 MB
D00	Blackmar-Diemer gambit	30	20.0%	40.0%	0.02 MB
D00	Blackmar-Diemer, Euwe defence	28	21.4%	46.4%	0.02 MB
D00	Levitsky attack (Queen's bishop attack)	1972	36.7%	52.0%	1.26 MB
D00	Queen's pawn game	667	37.6%	50.3%	0.44 MB
D00	Queen's pawn, Anti-Veresov	3	66.7%	33.3%	0.00 MB
D00	Queen's pawn, Chigorin variation	341	34.0%	51.6%	0.24 MB
D00	Queen's pawn, Mason variation	1003	39.1%	52.8%	0.65 MB
D00	Queen's pawn, Mason variation, Steinitz counter-gambit	504	37.1%	50.5%	0.33 MB
D00	Queen's pawn, stonewall attack	59	37.3%	44.1%	0.05 MB
D01	Richter-Veresov attack	477	36.3%	45.8%	0.32 MB
D01	Richter-Veresov attack, Richter variation	17	23.5%	52.9%	0.01 MB
D01	Richter-Veresov attack, Veresov variation	22	50.0%	47.7%	0.02 MB
D02	Queen's bishop game	1370	38.2%	53.6%	0.91 MB
D02	Queen's pawn game	5023	41.0%	52.7%	3.20 MB
D02	Queen's pawn game, Chigorin variation	427	40.3%	57.1%	0.30 MB
D02	Queen's pawn game, Krause variation	390	45.6%	54.1%	0.26 MB
D03	Torre attack (Tartakower variation)	668	39.4%	51.0%	0.45 MB
D04	Queen's pawn game	813	40.7%	51.2%	0.56 MB
D05	Colle system	187	47.1%	54.5%	0.13 MB
D05	Queen's pawn game	615	35.4%	52.7%	0.41 MB
D05	Queen's pawn game, Rubinstein (Colle-Zukertort) variation	257	39.3%	54.3%	0.17 MB
D05	Queen's pawn game, Zukertort variation	28	57.1%	57.1%	0.03 MB
D06	QGD, Grau (Sahovic) defence	127	36.2%	61.4%	0.09 MB
D06	QGD, Marshall defence	158	43.7%	58.5%	0.11 MB
D06	QGD, symmetrical (Austrian) defence	47	48.9%	58.5%	0.03 MB
D07	QGD, Chigorin defence	771	35.9%	57.0%	0.48 MB
D07	QGD, Chigorin defence, Janowski variation	93	34.4%	63.4%	0.07 MB
D08	QGD, Albin counter-gambit	167	41.9%	57.5%	0.11 MB
D08	QGD, Albin counter-gambit, Alapin variation	30	50.0%	61.7%	0.02 MB
D08	QGD, Albin counter-gambit, Balogh variation	9	11.1%	83.3%	0.01 MB
D08	QGD, Albin counter-gambit, Janowski variation	6	50.0%	58.3%	0.01 MB
D08	QGD, Albin counter-gambit, Lasker trap	5	0.0%	60.0%	0.01 MB
D09	QGD, Albin counter-gambit, 5.g3	144	43.8%	56.6%	0.10 MB
D10	QGD Slav defence	3895	41.0%	54.1%	2.45 MB
D10	QGD Slav defence, Alekhine variation	262	38.9%	55.0%	0.16 MB
D10	QGD Slav defence, exchange variation	1506	44.4%	55.5%	0.96 MB
D10	QGD Slav, Winawer counter-gambit	166	33.1%	55.1%	0.11 MB
D11	QGD Slav, 3.Nf3	2441	41.0%	55.7%	1.55 MB
D11	QGD Slav, 4.e3	4267	41.8%	55.4%	2.63 MB
D11	QGD Slav, Breyer variation	133	45.1%	59.4%	0.10 MB
D12	QGD Slav, 4.e3 Bf5	3075	40.0%	54.4%	1.94 MB
D12	QGD Slav, Amsterdam variation	21	52.4%	45.2%	0.02 MB
D12	QGD Slav, exchange variation	92	37.0%	50.0%	0.07 MB
D13	QGD Slav, exchange variation	722	46.3%	55.4%	0.47 MB
D14	QGD Slav, exchange variation, 6.Bf4 Bf5	679	49.5%	51.0%	0.41 MB
D14	QGD Slav, exchange, Trifunovic variation	211	49.3%	52.6%	0.14 MB
D15	QGD Slav accepted	96	42.7%	51.6%	0.06 MB
D15	QGD Slav, 4.Nc3	4017	39.6%	54.7%	2.46 MB
D15	QGD Slav, 5.e3 (Alekhine variation)	166	30.7%	55.1%	0.11 MB
D15	QGD Slav, Schlechter variation	291	43.0%	59.3%	0.21 MB
D15	QGD Slav, Slav gambit	24	20.8%	56.3%	0.02 MB
D15	QGD Slav, Suechting variation	144	30.6%	59.0%	0.10 MB
D15	QGD Slav, Tolush-Geller gambit	122	27.9%	41.0%	0.07 MB
D16	QGD Slav accepted, Alapin variation	177	38.4%	65.5%	0.12 MB
D16	QGD Slav, Smyslov variation	73	32.9%	58.9%	0.05 MB
D16	QGD Slav, Soultanbeieff variation	427	49.2%	53.6%	0.28 MB
D16	QGD Slav, Steiner variation	226	37.2%	62.8%	0.15 MB
D17	QGD Slav, Carlsbad variation	479	36.7%	60.5%	0.29 MB
D17	QGD Slav, Czech defence	389	48.1%	54.9%	0.26 MB
D17	QGD Slav, Krause attack	713	39.1%	58.3%	0.46 MB
D17	QGD Slav, Wiesbaden variation	635	42.2%	57.0%	0.37 MB
D18	QGD Slav, Dutch variation	281	40.9%	60.3%	0.18 MB
D18	QGD Slav, Dutch, Lasker variation	4	25.0%	87.5%	0.00 MB
D19	QGD Slav, Dutch variation	1339	39.2%	57.2%	0.84 MB
D19	QGD Slav, Dutch variation, main line	221	40.7%	56.6%	0.15 MB
D19	QGD Slav, Dutch, Saemisch variation	2	50.0%	25.0%	0.00 MB
D20	QGA, 3.e4	2960	39.7%	56.4%	1.75 MB
D20	QGA, Linares variation	84	34.5%	62.5%	0.05 MB
D20	Queen's gambit accepted	933	46.1%	55.3%	0.61 MB
D21	QGA, 3.Nf3	281	40.9%	57.5%	0.19 MB
D21	QGA, Alekhine defense, Borisenko-Furman variation	30	26.7%	46.7%	0.02 MB
D21	QGA, Ericson variation	6	0.0%	33.3%	0.01 MB
D22	QGA, Alekhine defence	247	40.5%	54.7%	0.17 MB
D22	QGA, Alekhine defence, Alatortsev variation	12	50.0%	41.7%	0.01 MB
D22	QGA, Haberditz variation	123	57.7%	52.4%	0.08 MB
D23	QGA, Mannheim variation	328	46.6%	52.6%	0.22 MB
D23	Queen's gambit accepted	39	35.9%	53.8%	0.03 MB
D24	QGA, 4.Nc3	205	41.0%	50.7%	0.14 MB
D24	QGA, Bogolyubov variation	158	48.1%	56.3%	0.10 MB
D25	QGA, 4.e3	127	39.4%	57.5%	0.09 MB
D25	QGA, Flohr variation	74	31.1%	66.9%	0.05 MB
D25	QGA, Janowsky-Larsen variation	367	39.8%	57.5%	0.25 MB
D25	QGA, Smyslov variation	95	53.7%	58.4%	0.07 MB
D26	QGA, 4...e6	270	45.2%	52.6%	0.19 MB
D26	QGA, classical variation	697	51.9%	53.1%	0.47 MB
D26	QGA, classical variation, 6.O-O	159	47.2%	58.2%	0.11 MB
D26	QGA, classical, Furman variation	1	0.0%	0.0%	0.00 MB
D26	QGA, classical, Steinitz variation	62	56.5%	65.3%	0.04 MB
D27	QGA, classical, 6...a6	3951	50.9%	55.2%	2.49 MB
D27	QGA, classical, Geller variation	76	52.6%	53.9%	0.06 MB
D27	QGA, classical, Rubinstein variation	1466	47.5%	56.1%	0.94 MB
D28	QGA, classical, 7...b5	201	51.7%	56.2%	0.15 MB
D28	QGA, classical, 7.Qe2	64	50.0%	60.9%	0.05 MB
D29	QGA, classical, 8...Bb7	309	41.4%	47.9%	0.20 MB
D29	QGA, classical, Smyslov variation	41	53.7%	46.3%	0.03 MB
D30	QGD	829	47.4%	51.8%	0.50 MB
D30	QGD Slav	328	43.0%	54.1%	0.23 MB
D30	QGD Slav, Semmering variation	27	29.6%	51.9%	0.02 MB
D30	QGD, Capablanca variation	35	31.4%	58.6%	0.02 MB
D30	QGD, Capablanca-Duras variation	355	45.4%	53.7%	0.24 MB
D30	QGD, Hastings variation	586	47.3%	52.5%	0.37 MB
D30	QGD, Vienna variation	768	53.1%	52.5%	0.47 MB
D30	Queen's gambit declined	6082	45.4%	55.5%	3.86 MB
D31	QGD, 3.Nc3	850	41.4%	55.2%	0.56 MB
D31	QGD, Alapin variation	7	42.9%	64.3%	0.01 MB
D31	QGD, Charousek (Petrosian) variation	1543	45.2%	53.3%	0.98 MB
D31	QGD, Janowski variation	170	41.8%	56.2%	0.12 MB
D31	QGD, semi-Slav	1056	40.0%	54.9%	0.68 MB
D31	QGD, semi-Slav, Abrahams variation	137	35.8%	44.2%	0.09 MB
D31	QGD, semi-Slav, Junge variation	10	30.0%	35.0%	0.01 MB
D31	QGD, semi-Slav, Koomen variation	9	55.6%	38.9%	0.01 MB
D31	QGD, semi-Slav, Marshall gambit	882	43.3%	54.2%	0.52 MB
D31	QGD, semi-Slav, Noteboom variation	262	37.8%	51.7%	0.16 MB
D32	QGD, Tarrasch defence	344	46.8%	53.6%	0.23 MB
D32	QGD, Tarrasch defence, 4.cd ed	26	38.5%	50.0%	0.02 MB
D32	QGD, Tarrasch defence, Marshall gambit	6	33.3%	50.0%	0.01 MB
D32	QGD, Tarrasch defence, Tarrasch gambit	9	44.4%	33.3%	0.01 MB
D32	QGD, Tarrasch, von Hennig-Schara gambit	69	43.5%	62.3%	0.05 MB
D33	QGD, Tarrasch, Folkestone (Swedish) variation	56	50.0%	60.7%	0.04 MB
D33	QGD, Tarrasch, Prague variation	81	37.0%	53.1%	0.06 MB
D33	QGD, Tarrasch, Schlechter-Rubinstein system	20	40.0%	55.0%	0.02 MB
D33	QGD, Tarrasch, Wagner variation	13	38.5%	57.7%	0.01 MB
D34	QGD, Tarrasch, Prague variation, 7...Be7	180	42.2%	56.1%	0.13 MB
D34	QGD, Tarrasch, Prague variation, 9.Bg5	545	47.5%	57.5%	0.35 MB
D34	QGD, Tarrasch, Prague variation, Normal position	670	47.9%	56.2%	0.44 MB
D34	QGD, Tarrasch, Reti variation	30	60.0%	60.0%	0.02 MB
D35	QGD, 3...Nf6	91	38.5%	48.9%	0.06 MB
D35	QGD, Harrwitz attack	215	53.0%	55.3%	0.15 MB
D35	QGD, exchange variation	381	43.0%	55.9%	0.26 MB
D35	QGD, exchange, Saemisch variation	308	46.8%	54.2%	0.21 MB
D35	QGD, exchange, positional line	1018	40.4%	54.4%	0.66 MB
D35	QGD, exchange, positional line, 5...c6	795	42.4%	55.4%	0.53 MB
D36	QGD, exchange, positional line, 6.Qc2	277	43.0%	52.9%	0.19 MB
D37	QGD, 4.Nf3	5560	46.4%	52.9%	3.33 MB
D37	QGD, classical variation (5.Bf4)	4189	44.9%	55.3%	2.58 MB
D38	QGD, Ragozin variation	4232	46.1%	52.4%	2.58 MB
D39	QGD, Ragozin, Vienna variation	1592	50.1%	51.1%	0.91 MB
D40	QGD, Semi-Tarrasch defence	422	42.2%	54.7%	0.30 MB
D40	QGD, Semi-Tarrasch defence, Pillsbury variation	30	36.7%	58.3%	0.02 MB
D40	QGD, Semi-Tarrasch, Levenfish variation	1	0.0%	100.0%	0.00 MB
D40	QGD, Semi-Tarrasch, symmetrical variation	11	45.5%	50.0%	0.01 MB
D41	QGD, Semi-Tarrasch with e3	182	46.7%	57.4%	0.13 MB
D41	QGD, Semi-Tarrasch, 5.cd	624	48.2%	57.1%	0.39 MB
D41	QGD, Semi-Tarrasch, Kmoch variation	8	75.0%	50.0%	0.01 MB
D41	QGD, Semi-Tarrasch, San Sebastian variation	24	37.5%	77.1%	0.02 MB
D42	QGD, Semi-Tarrasch, 7.Bd3	265	43.4%	55.7%	0.19 MB
D43	QGD semi-Slav	7011	41.1%	52.9%	4.15 MB
D43	QGD semi-Slav, Hastings variation	5	20.0%	90.0%	0.01 MB
D44	QGD semi-Slav, 5.Bg5 dc	153	46.4%	49.3%	0.11 MB
D44	QGD semi-Slav, Botvinnik system (anti-Meran)	77	37.7%	56.5%	0.05 MB
D44	QGD semi-Slav, Ekstrom variation	26	46.2%	38.5%	0.02 MB
D44	QGD semi-Slav, anti-Meran gambit	766	34.9%	58.2%	0.40 MB
D44	QGD semi-Slav, anti-Meran, Alatortsev system	1	100.0%	50.0%	0.00 MB
D44	QGD semi-Slav, anti-Meran, Lilienthal variation	165	30.3%	66.7%	0.08 MB
D44	QGD semi-Slav, anti-Meran, Szabo variation	24	20.8%	35.4%	0.02 MB
D45	QGD semi-Slav, 5...Nd7	545	38.3%	53.1%	0.36 MB
D45	QGD semi-Slav, 5.e3	411	40.4%	56.2%	0.27 MB
D45	QGD semi-Slav, Rubinstein (anti-Meran) system	15	33.3%	43.3%	0.01 MB
D45	QGD semi-Slav, Stoltz variation	11741	43.4%	53.2%	7.11 MB
D45	QGD semi-Slav, accelerated Meran (Alekhine variation)	2072	43.5%	53.9%	1.28 MB
D45	QGD semi-Slav, stonewall defence	11	54.5%	54.5%	0.01 MB
D46	QGD semi-Slav, 6.Bd3	39	38.5%	62.8%	0.03 MB
D46	QGD semi-Slav, Bogolyubov variation	166	42.8%	56.3%	0.13 MB
D46	QGD semi-Slav, Chigorin defence	433	45.0%	53.9%	0.30 MB
D46	QGD semi-Slav, Romih variation	174	36.8%	63.8%	0.11 MB
D47	QGD semi-Slav, 7.Bc4	64	37.5%	53.1%	0.05 MB
D47	QGD semi-Slav, Meran variation	1283	49.0%	54.8%	0.84 MB
D47	QGD semi-Slav, Meran, Wade variation	6927	39.5%	53.6%	4.10 MB
D47	QGD semi-Slav, neo-Meran (Lundin variation)	305	47.5%	54.6%	0.21 MB
D48	QGD semi-Slav, Meran	21	4.8%	40.5%	0.01 MB
D48	QGD semi-Slav, Meran, 8...a6	1404	49.4%	48.9%	0.88 MB
D48	QGD semi-Slav, Meran, Pirc variation	9	55.6%	72.2%	0.01 MB
D48	QGD semi-Slav, Meran, Reynolds' variation	757	39.9%	56.3%	0.45 MB
D48	QGD semi-Slav, Meran, old main line	112	35.7%	52.7%	0.07 MB
D49	QGD semi-Slav, Meran, Blumenfeld variation	174	46.6%	51.4%	0.11 MB
D49	QGD semi-Slav, Meran, Rabinovich variation	62	25.8%	43.5%	0.04 MB
D49	QGD semi-Slav, Meran, Rellstab attack	16	37.5%	62.5%	0.01 MB
D49	QGD semi-Slav, Meran, Sozin variation	157	44.6%	45.9%	0.08 MB
D49	QGD semi-Slav, Meran, Stahlberg variation	80	41.3%	45.6%	0.05 MB
D50	QGD, 4.Bg5	95	44.2%	53.7%	0.07 MB
D50	QGD, Been-Koomen variation	6	50.0%	25.0%	0.01 MB
D50	QGD, Canal (Venice) variation	4	25.0%	62.5%	0.00 MB
D50	QGD, Semi-Tarrasch	14	35.7%	53.6%	0.01 MB
D50	QGD, Semi-Tarrasch, Krause variation	1	100.0%	50.0%	0.00 MB
D50	QGD, Semi-Tarrasch, Primitive Pillsbury variation	12	41.7%	54.2%	0.01 MB
D51	QGD	23	65.2%	63.0%	0.02 MB
D51	QGD, 4.Bg5 Nbd7	77	41.6%	53.2%	0.06 MB
D51	QGD, 5...c6	88	55.7%	52.8%	0.07 MB
D51	QGD, Alekhine variation	4	0.0%	50.0%	0.00 MB
D51	QGD, Capablanca anti-Cambridge Springs variation	19	63.2%	68.4%	0.02 MB
D51	QGD, Manhattan variation	14	42.9%	64.3%	0.01 MB
D52	QGD	148	41.2%	59.1%	0.11 MB
D52	QGD, Cambridge Springs defence	38	42.1%	47.4%	0.03 MB
D52	QGD, Cambridge Springs defence, 7.cd	45	37.8%	54.4%	0.04 MB
D52	QGD, Cambridge Springs defence, Argentine variation	19	31.6%	42.1%	0.02 MB
D52	QGD, Cambridge Springs defence, Bogoljubow variation	426	47.7%	56.0%	0.30 MB
D52	QGD, Cambridge Springs defence, Capablanca variation	36	36.1%	59.7%	0.03 MB
D52	QGD, Cambridge Springs defence, Rubinstein variation	165	38.8%	54.5%	0.12 MB
D52	QGD, Cambridge Springs defence, Yugoslav variation	410	37.6%	56.1%	0.26 MB
D53	QGD, 4.Bg5 Be7	990	45.9%	54.6%	0.63 MB
D53	QGD, 4.Bg5 Be7, 5.e3 O-O	47	48.9%	50.0%	0.03 MB
D53	QGD, Lasker variation	4	25.0%	87.5%	0.00 MB
D54	QGD, Anti-neo-orthodox variation	50	44.0%	50.0%	0.04 MB
D55	QGD, 6.Nf3	131	35.9%	57.6%	0.09 MB
D55	QGD, Neo-orthodox variation	6	33.3%	50.0%	0.00 MB
D55	QGD, Neo-orthodox variation, 7.Bh4	137	44.5%	58.0%	0.10 MB
D55	QGD, Neo-orthodox variation, 7.Bxf6	356	45.2%	51.3%	0.24 MB
D55	QGD, Petrosian variation	365	51.8%	53.8%	0.23 MB
D56	QGD, Lasker defence	340	46.2%	53.7%	0.22 MB
D56	QGD, Lasker defence, Teichmann variation	96	51.0%	49.5%	0.07 MB
D57	QGD, Lasker defence, Bernstein variation	10	70.0%	45.0%	0.01 MB
D57	QGD, Lasker defence, main line	53	56.6%	50.9%	0.04 MB
D58	QGD, Tartakower (Makagonov-Bondarevsky) system	4987	46.4%	52.0%	3.17 MB
D59	QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5	188	48.9%	46.8%	0.13 MB
D59	QGD, Tartakower variation	114	46.5%	46.1%	0.08 MB
D60	QGD, Orthodox defence	104	36.5%	55.8%	0.08 MB
D60	QGD, Orthodox defence, Botvinnik variation	71	33.8%	50.7%	0.06 MB
D60	QGD, Orthodox defence, Rauzer variation	46	43.5%	63.0%	0.03 MB
D61	QGD, Orthodox defence, Rubinstein variation	242	45.9%	52.3%	0.17 MB
D62	QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)	156	50.0%	56.4%	0.10 MB
D63	QGD, Orthodox defence	107	47.7%	59.3%	0.08 MB
D63	QGD, Orthodox defence, 7.Rc1	230	37.8%	57.6%	0.16 MB
D63	QGD, Orthodox defence, Capablanca variation	1	100.0%	50.0%	0.00 MB
D63	QGD, Orthodox defence, Pillsbury attack	25	52.0%	58.0%	0.02 MB
D63	QGD, Orthodox defence, Swiss (Henneberger) variation	94	43.6%	62.2%	0.07 MB
D63	QGD, Orthodox defence, Swiss, Karlsbad variation	173	43.4%	53.5%	0.12 MB
D64	QGD, Orthodox defence, Rubinstein attack (with Rc1)	96	44.8%	56.8%	0.07 MB
D64	QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation	16	25.0%	50.0%	0.02 MB
D64	QGD, Orthodox defence, Rubinstein attack, Karlsbad variation	20	40.0%	35.0%	0.02 MB
D64	QGD, Orthodox defence, Rubinstein attack, Wolf variation	13	46.2%	46.2%	0.01 MB
D65	QGD, Orthodox defence, Rubinstein attack, main line	13	61.5%	69.2%	0.01 MB
D66	QGD, Orthodox defence, Bd3 line	250	47.6%	59.4%	0.17 MB
D66	QGD, Orthodox defence, Bd3 line, fianchetto variation	11	45.5%	77.3%	0.01 MB
D67	QGD, Orthodox defence, Bd3 line	19	57.9%	44.7%	0.02 MB
D67	QGD, Orthodox defence, Bd3 line, 11.O-O	49	36.7%	65.3%	0.04 MB
D67	QGD, Orthodox defence, Bd3 line, Alekhine variation	37	56.8%	55.4%	0.03 MB
D68	QGD, Orthodox defence, classical variation	72	48.6%	56.3%	0.05 MB
D68	QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)	3	66.7%	33.3%	0.00 MB
D68	QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)	48	54.2%	58.3%	0.04 MB
D69	QGD, Orthodox defence, classical, 13.de	15	53.3%	53.3%	0.01 MB
D70	Neo-Gruenfeld (Kemeri) defence	64	43.8%	53.1%	0.05 MB
D70	Neo-Gruenfeld defence	216	39.4%	55.3%	0.14 MB
D71	Neo-Gruenfeld, 5.cd	301	47.5%	56.6%	0.20 MB
D72	Neo-Gruenfeld, 5.cd, main line	195	33.8%	60.5%	0.13 MB
D73	Neo-Gruenfeld, 5.Nf3	825	50.9%	55.2%	0.53 MB
D74	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O	221	43.9%	56.8%	0.15 MB
D75	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3	109	51.4%	58.7%	0.07 MB
D75	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc	17	35.3%	70.6%	0.01 MB
D76	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6	540	43.5%	57.7%	0.35 MB
D77	Neo-Gruenfeld, 6.O-O	702	46.7%	54.3%	0.47 MB
D78	Neo-Gruenfeld, 6.O-O c6	777	42.0%	54.7%	0.51 MB
D79	Neo-Gruenfeld, 6.O-O, main line	517	48.4%	54.4%	0.35 MB
D80	Gruenfeld defence	891	47.5%	54.7%	0.51 MB
D80	Gruenfeld, Lundin variation	1	0.0%	0.0%	0.00 MB
D80	Gruenfeld, Stockholm variation	701	43.7%	54.4%	0.44 MB
D81	Gruenfeld, Russian variation	405	43.5%	61.7%	0.27 MB
D82	Gruenfeld, 4.Bf4	543	45.5%	53.1%	0.35 MB
D83	Gruenfeld, Gruenfeld gambit	27	48.1%	61.1%	0.02 MB
D83	Gruenfeld, Gruenfeld gambit, Botvinnik variation	15	73.3%	63.3%	0.01 MB
D83	Gruenfeld, Gruenfeld gambit, Capablanca variation	269	42.4%	57.6%	0.18 MB
D84	Gruenfeld, Gruenfeld gambit accepted	62	50.0%	55.6%	0.04 MB
D85	Gruenfeld, exchange variation	2993	47.7%	56.4%	1.77 MB
D85	Gruenfeld, modern exchange variation	3200	46.6%	55.8%	1.83 MB
D86	Gruenfeld, exchange, Larsen variation	3	0.0%	66.7%	0.00 MB
D86	Gruenfeld, exchange, Simagin's improved variation	123	39.8%	52.4%	0.09 MB
D86	Gruenfeld, exchange, Simagin's lesser variation	55	41.8%	59.1%	0.04 MB
D86	Gruenfeld, exchange, classical variation	1078	45.7%	55.6%	0.67 MB
D87	Gruenfeld, exchange, Seville variation	77	54.5%	62.3%	0.05 MB
D87	Gruenfeld, exchange, Spassky variation	531	41.8%	55.6%	0.35 MB
D88	Gruenfeld, Spassky variation, main line, 10...cd, 11.cd	208	41.8%	60.8%	0.14 MB
D89	Gruenfeld, Spassky variation, main line, 13.Bd3	70	38.6%	49.3%	0.04 MB
D89	Gruenfeld, exchange, Sokolsky variation	8	50.0%	37.5%	0.01 MB
D90	Gruenfeld, Flohr variation	299	37.8%	56.0%	0.19 MB
D90	Gruenfeld, Schlechter variation	25	32.0%	40.0%	0.02 MB
D90	Gruenfeld, Three knights variation	597	49.9%	54.1%	0.37 MB
D91	Gruenfeld, 5.Bg5	906	39.6%	48.2%	0.61 MB
D92	Gruenfeld, 5.Bf4	681	44.6%	56.7%	0.43 MB
D93	Gruenfeld with Bf4 e3	282	50.0%	52.3%	0.20 MB
D94	Gruenfeld with e3 Bd3	21	38.1%	52.4%	0.02 MB
D94	Gruenfeld, 5.e3	427	44.7%	57.5%	0.29 MB
D94	Gruenfeld, Flohr defence	20	50.0%	60.0%	0.02 MB
D94	Gruenfeld, Makogonov variation	92	46.7%	47.3%	0.07 MB
D94	Gruenfeld, Opovcensky variation	158	42.4%	54.1%	0.11 MB
D94	Gruenfeld, Smyslov defence	161	46.0%	57.8%	0.11 MB
D95	Gruenfeld with e3 & Qb3	18	44.4%	61.1%	0.02 MB
D95	Gruenfeld, Botvinnik variation	75	44.0%	51.3%	0.06 MB
D96	Gruenfeld, Russian variation	248	42.7%	54.8%	0.17 MB
D97	Gruenfeld, Russian variation with e4	37	32.4%	62.2%	0.03 MB
D97	Gruenfeld, Russian, Alekhine (Hungarian) variation	1684	44.4%	51.2%	1.04 MB
D97	Gruenfeld, Russian, Byrne (Simagin) variation	124	37.9%	59.3%	0.08 MB
D97	Gruenfeld, Russian, Levenfish variation	12	25.0%	70.8%	0.01 MB
D97	Gruenfeld, Russian, Prins variation	449	43.7%	57.0%	0.30 MB
D97	Gruenfeld, Russian, Szabo (Boleslavsky) variation	229	43.2%	58.7%	0.15 MB
D98	Gruenfeld, Russian, Keres variation	15	40.0%	46.7%	0.01 MB
D98	Gruenfeld, Russian, Smyslov variation	257	41.2%	60.3%	0.17 MB
D99	Gruenfeld defence, Smyslov, Yugoslav variation	13	30.8%	46.2%	0.01 MB
D99	Gruenfeld defence, Smyslov, main line	170	41.2%	58.2%	0.11 MB
E00	Catalan opening	3281	42.6%	54.9%	2.05 MB
E00	Neo-Indian (Seirawan) attack	184	31.5%	51.6%	0.14 MB
E00	Queen's pawn game	424	41.0%	56.4%	0.30 MB
E01	Catalan, closed	521	49.1%	52.8%	0.35 MB
E02	Catalan, open, 5.Qa4	149	45.6%	58.4%	0.10 MB
E03	Catalan, open, 5.Qa4 Nbd7, 6.Qxc4	85	60.0%	42.9%	0.06 MB
E03	Catalan, open, Alekhine variation	18	22.2%	38.9%	0.02 MB
E04	Catalan, open, 5.Nf3	4390	43.5%	53.6%	2.62 MB
E05	Catalan, open, classical line	106	54.7%	53.8%	0.08 MB
E06	Catalan, closed, 5.Nf3	2983	48.3%	54.0%	1.88 MB
E07	Catalan, closed, 6...Nbd7	71	36.6%	52.1%	0.05 MB
E07	Catalan, closed, Botvinnik variation	72	43.1%	43.8%	0.06 MB
E08	Catalan, closed, 7.Qc2	94	39.4%	61.2%	0.07 MB
E08	Catalan, closed, Qc2 & b3	216	43.5%	51.4%	0.15 MB
E08	Catalan, closed, Spassky gambit	7	28.6%	57.1%	0.01 MB
E08	Catalan, closed, Zagoryansky variation	4	75.0%	37.5%	0.00 MB
E09	Catalan, closed, main line	230	33.9%	61.3%	0.16 MB
E10	Blumenfeld counter-gambit	319	41.4%	55.2%	0.20 MB
E10	Blumenfeld counter-gambit accepted	125	40.8%	53.2%	0.08 MB
E10	Blumenfeld counter-gambit, Dus-Chotimursky variation	174	35.1%	57.2%	0.12 MB
E10	Blumenfeld counter-gambit, Spielmann variation	104	33.7%	58.2%	0.07 MB
E10	Doery defence	24	45.8%	56.3%	0.02 MB
E10	Dzindzikhashvili defence	87	52.9%	58.6%	0.06 MB
E10	Queen's pawn game	4225	44.7%	55.7%	2.66 MB
E11	Bogo-Indian defence	1560	39.3%	54.6%	0.99 MB
E11	Bogo-Indian defence, Gruenfeld variation	2067	40.4%	56.1%	1.33 MB
E11	Bogo-Indian defence, Monticelli trap	15	46.7%	43.3%	0.01 MB
E11	Bogo-Indian defence, Nimzovich variation	1492	38.8%	57.5%	0.97 MB
E12	Queen's Indian defence	677	42.7%	54.0%	0.47 MB
E12	Queen's Indian, 4.Nc3	4615	40.3%	53.1%	2.86 MB
E12	Queen's Indian, 4.Nc3, Botvinnik variation	40	22.5%	46.3%	0.03 MB
E12	Queen's Indian, Miles variation	1471	43.7%	53.6%	0.97 MB
E12	Queen's Indian, Petrosian system	6690	43.1%	54.0%	4.04 MB
E13	Queen's Indian, 4.Nc3, main line	216	34.7%	53.0%	0.14 MB
E14	Queen's Indian, 4.e3	1744	40.0%	53.6%	1.13 MB
E14	Queen's Indian, Averbakh variation	2	0.0%	50.0%	0.00 MB
E15	Queen's Indian, 4.g3	2526	46.6%	55.4%	1.53 MB
E15	Queen's Indian, 4.g3 Bb7	284	39.8%	54.0%	0.20 MB
E15	Queen's Indian, Buerger variation	43	39.5%	61.6%	0.03 MB
E15	Queen's Indian, Nimzovich variation (exaggerated fianchetto)	14769	40.6%	56.4%	9.01 MB
E15	Queen's Indian, Rubinstein variation	140	36.4%	58.9%	0.09 MB
E16	Queen's Indian, Capablanca variation	426	42.0%	56.9%	0.29 MB
E16	Queen's Indian, Riumin variation	223	39.5%	56.1%	0.16 MB
E16	Queen's Indian, Yates variation	383	37.1%	58.5%	0.26 MB
E17	Queen's Indian, 5.Bg2 Be7	32	25.0%	43.8%	0.02 MB
E17	Queen's Indian, Euwe variation	63	52.4%	54.8%	0.05 MB
E17	Queen's Indian, Opovcensky variation	697	39.5%	54.9%	0.44 MB
E17	Queen's Indian, anti-Queen's Indian system	337	38.0%	52.5%	0.23 MB
E17	Queen's Indian, old main line, 6.O-O	972	42.1%	58.8%	0.62 MB
E18	Queen's Indian, old main line, 7.Nc3	1650	43.3%	56.9%	1.02 MB
E19	Queen's Indian, old main line, 9.Qxc3	1376	46.4%	58.4%	0.89 MB
E20	Nimzo-Indian defence	154	50.0%	52.9%	0.11 MB
E20	Nimzo-Indian, Kmoch variation	769	38.5%	53.8%	0.45 MB
E20	Nimzo-Indian, Mikenas attack	6	66.7%	50.0%	0.01 MB
E20	Nimzo-Indian, Romanishin-Kasparov (Steiner) system	443	45.1%	54.0%	0.30 MB
E21	Nimzo-Indian, three knights variation	2485	41.2%	54.3%	1.54 MB
E21	Nimzo-Indian, three knights, Euwe variation	4	75.0%	62.5%	0.00 MB
E21	Nimzo-Indian, three knights, Korchnoi variation	4	0.0%	50.0%	0.00 MB
E22	Nimzo-Indian, Spielmann variation	145	45.5%	51.7%	0.10 MB
E23	Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc6	47	40.4%	52.1%	0.03 MB
E23	Nimzo-Indian, Spielmann, Karlsbad variation	17	35.3%	41.2%	0.01 MB
E23	Nimzo-Indian, Spielmann, San Remo variation	7	57.1%	71.4%	0.01 MB
E23	Nimzo-Indian, Spielmann, Staahlberg variation	2	0.0%	100.0%	0.00 MB
E24	Nimzo-Indian, Saemisch variation	183	48.1%	48.6%	0.13 MB
E24	Nimzo-Indian, Saemisch, Botvinnik variation	48	35.4%	40.6%	0.03 MB
E25	Nimzo-Indian, Saemisch variation	146	42.5%	52.1%	0.09 MB
E25	Nimzo-Indian, Saemisch, Keres variation	293	46.1%	54.1%	0.19 MB
E25	Nimzo-Indian, Saemisch, Romanovsky variation	102	50.0%	51.5%	0.07 MB
E26	Nimzo-Indian, Saemisch variation	86	40.7%	57.6%	0.06 MB
E26	Nimzo-Indian, Saemisch, O'Kelly variation	29	41.4%	51.7%	0.02 MB
E27	Nimzo-Indian, Saemisch variation	53	47.2%	44.3%	0.04 MB
E28	Nimzo-Indian, Saemisch variation	131	30.5%	54.2%	0.09 MB
E29	Nimzo-Indian, Saemisch, Capablanca variation	28	39.3%	41.1%	0.02 MB
E29	Nimzo-Indian, Saemisch, main line	86	38.4%	56.4%	0.06 MB
E30	Nimzo-Indian, Leningrad variation	634	36.6%	48.3%	0.40 MB
E30	Nimzo-Indian, Leningrad, ...b5 gambit	74	32.4%	47.3%	0.04 MB
E31	Nimzo-Indian, Leningrad, main line	231	31.6%	51.3%	0.15 MB
E32	Nimzo-Indian, classical variation	6392	42.3%	53.7%	3.84 MB
E32	Nimzo-Indian, classical, Adorjan gambit	103	43.7%	51.0%	0.06 MB
E33	Nimzo-Indian, classical, 4...Nc6	103	47.6%	59.7%	0.08 MB
E33	Nimzo-Indian, classical, Milner-Barry (Zurich) variation	313	41.2%	58.9%	0.21 MB
E34	Nimzo-Indian, classical, Noa variation	792	52.5%	54.0%	0.52 MB
E35	Nimzo-Indian, classical, Noa variation, 5.cd ed	568	46.7%	50.4%	0.36 MB
E36	Nimzo-Indian, classical, Botvinnik variation	14	42.9%	57.1%	0.01 MB
E36	Nimzo-Indian, classical, Noa variation, 5.a3	296	43.9%	53.0%	0.19 MB
E37	Nimzo-Indian, classical, Noa variation, main line, 7.Qc2	372	46.0%	62.5%	0.24 MB
E37	Nimzo-Indian, classical, San Remo variation	5	0.0%	60.0%	0.00 MB
E38	Nimzo-Indian, classical, 4...c5	608	37.7%	60.1%	0.40 MB
E39	Nimzo-Indian, classical, Pirc variation	961	39.6%	55.1%	0.62 MB
E40	Nimzo-Indian, 4.e3	142	30.3%	58.8%	0.10 MB
E40	Nimzo-Indian, 4.e3, Taimanov variation	97	36.1%	63.4%	0.07 MB
E41	Nimzo-Indian, 4.e3 c5	747	45.0%	54.6%	0.50 MB
E41	Nimzo-Indian, e3, Huebner variation	485	33.2%	51.9%	0.33 MB
E42	Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)	648	45.7%	54.2%	0.42 MB
E43	Nimzo-Indian, Fischer variation	589	36.5%	54.1%	0.38 MB
E44	Nimzo-Indian, Fischer variation, 5.Ne2	423	37.8%	55.6%	0.28 MB
E45	Nimzo-Indian, 4.e3, Bronstein (Byrne) variation	223	49.8%	56.3%	0.15 MB
E46	Nimzo-Indian, 4.e3 O-O	73	34.2%	56.8%	0.05 MB
E46	Nimzo-Indian, Reshevsky variation	944	44.4%	51.5%	0.64 MB
E46	Nimzo-Indian, Simagin variation	143	41.3%	50.0%	0.10 MB
E47	Nimzo-Indian, 4.e3 O-O, 5.Bd3	587	46.8%	52.0%	0.39 MB
E48	Nimzo-Indian, 4.e3 O-O, 5.Bd3 d5	496	42.7%	49.2%	0.33 MB
E49	Nimzo-Indian, 4.e3, Botvinnik system	206	44.7%	56.8%	0.14 MB
E50	Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d5	191	42.4%	51.0%	0.15 MB
E51	Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5	161	51.6%	50.0%	0.12 MB
E51	Nimzo-Indian, 4.e3, Ragozin variation	23	39.1%	67.4%	0.02 MB
E52	Nimzo-Indian, 4.e3, main line with ...b6	473	39.7%	53.5%	0.32 MB
E53	Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd7	68	55.9%	51.5%	0.05 MB
E53	Nimzo-Indian, 4.e3, Keres variation	104	36.5%	47.1%	0.07 MB
E53	Nimzo-Indian, 4.e3, main line with ...c5	397	40.6%	54.3%	0.25 MB
E54	Nimzo-Indian, 4.e3, Gligoric system with 7...dc	1226	48.7%	55.8%	0.78 MB
E54	Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation	25	64.0%	68.0%	0.02 MB
E55	Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation	1875	48.2%	55.7%	1.22 MB
E56	Nimzo-Indian, 4.e3, main line with 7...Nc6	351	51.0%	56.0%	0.24 MB
E57	Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd	3	33.3%	16.7%	0.00 MB
E58	Nimzo-Indian, 4.e3, main line with 8...Bxc3	1460	44.7%	52.9%	0.93 MB
E59	Nimzo-Indian, 4.e3, main line	746	43.4%	53.5%	0.47 MB
E60	King's Indian defence	765	35.7%	55.8%	0.52 MB
E60	King's Indian, 3.Nf3	2850	39.5%	57.6%	1.82 MB
E60	King's Indian, 3.g3	1663	42.4%	56.2%	1.06 MB
E60	King's Indian, 3.g3, counterthrust variation	13	30.8%	30.8%	0.01 MB
E60	King's Indian, Anti-Gruenfeld	54	31.5%	60.2%	0.04 MB
E60	King's Indian, Danube gambit	6	66.7%	66.7%	0.00 MB
E60	Queen's pawn, Mengarini attack	37	35.1%	60.8%	0.03 MB
E61	King's Indian defence, 3.Nc3	877	36.1%	55.4%	0.57 MB
E61	King's Indian, Smyslov system	87	37.9%	54.6%	0.07 MB
E62	King's Indian, fianchetto variation	69	34.8%	52.2%	0.05 MB
E62	King's Indian, fianchetto with ...Nc6	238	33.2%	54.8%	0.16 MB
E62	King's Indian, fianchetto, Kavalek (Bronstein) variation	566	33.0%	60.5%	0.38 MB
E62	King's Indian, fianchetto, Larsen system	290	40.7%	62.4%	0.20 MB
E62	King's Indian, fianchetto, Simagin variation	84	35.7%	64.3%	0.06 MB
E62	King's Indian, fianchetto, Uhlmann (Szabo) variation	295	33.6%	58.5%	0.21 MB
E62	King's Indian, fianchetto, lesser Simagin (Spassky) variation	306	36.3%	61.3%	0.21 MB
E63	King's Indian, fianchetto, Panno variation	2177	37.9%	57.1%	1.41 MB
E64	King's Indian, fianchetto, Yugoslav system	103	37.9%	59.7%	0.07 MB
E65	King's Indian, fianchetto, Yugoslav, 7.O-O	184	52.7%	52.4%	0.13 MB
E66	King's Indian, fianchetto, Yugoslav Panno	318	34.6%	56.9%	0.21 MB
E67	King's Indian, fianchetto with ...Nd7	101	36.6%	56.9%	0.08 MB
E67	King's Indian, fianchetto, classical variation	519	41.0%	55.6%	0.36 MB
E68	King's Indian, fianchetto, classical variation, 8.e4	1258	38.7%	59.7%	0.80 MB
E69	King's Indian, fianchetto, classical main line	445	33.5%	62.1%	0.28 MB
E70	King's Indian, 4.e4	975	33.3%	58.3%	0.62 MB
E70	King's Indian, Kramer system	358	32.4%	58.1%	0.22 MB
E70	King's Indian, accelerated Averbakh system	123	34.1%	56.1%	0.08 MB
E71	King's Indian, Makagonov system (5.h3)	760	35.0%	59.6%	0.49 MB
E72	King's Indian with e4 & g3	58	34.5%	56.9%	0.04 MB
E72	King's Indian, Pomar system	18	44.4%	50.0%	0.01 MB
E73	King's Indian, 5.Be2	37	35.1%	58.1%	0.03 MB
E73	King's Indian, Averbakh system	1022	33.8%	55.1%	0.63 MB
E73	King's Indian, Semi-Averbakh system	61	42.6%	55.7%	0.05 MB
E74	King's Indian, Averbakh, 6...c5	277	36.8%	56.0%	0.18 MB
E75	King's Indian, Averbakh, main line	76	23.7%	60.5%	0.05 MB
E76	King's Indian, Four pawns attack	228	38.2%	59.4%	0.15 MB
E76	King's Indian, Four pawns attack, dynamic line	172	38.4%	52.3%	0.10 MB
E77	King's Indian, Four pawns attack	114	31.6%	57.9%	0.08 MB
E77	King's Indian, Four pawns attack, 6.Be2	23	56.5%	54.3%	0.02 MB
E77	King's Indian, Four pawns attack, Florentine gambit	6	50.0%	41.7%	0.01 MB
E78	King's Indian, Four pawns attack, with Be2 and Nf3	21	47.6%	57.1%	0.02 MB
E79	King's Indian, Four pawns attack, main line	14	42.9%	57.1%	0.01 MB
E80	King's Indian, Saemisch variation	370	33.5%	58.9%	0.25 MB
E81	King's Indian, Saemisch, 5...O-O	2149	33.8%	55.4%	1.27 MB
E81	King's Indian, Saemisch, Byrne variation	79	39.2%	53.8%	0.06 MB
E82	King's Indian, Saemisch, double fianchetto variation	110	34.5%	57.3%	0.08 MB
E83	King's Indian, Saemisch, 6...Nc6	81	27.2%	43.2%	0.05 MB
E83	King's Indian, Saemisch, Panno formation	227	41.0%	57.0%	0.15 MB
E83	King's Indian, Saemisch, Ruban variation	11	36.4%	45.5%	0.01 MB
E84	King's Indian, Saemisch, Panno main line	430	37.9%	52.7%	0.28 MB
E85	King's Indian, Saemisch, orthodox variation	73	37.0%	52.7%	0.05 MB
E86	King's Indian, Saemisch, orthodox, 7.Nge2 c6	380	29.5%	54.5%	0.24 MB
E87	King's Indian, Saemisch, orthodox, 7.d5	281	26.7%	57.8%	0.18 MB
E87	King's Indian, Saemisch, orthodox, Bronstein variation	1	100.0%	50.0%	0.00 MB
E88	King's Indian, Saemisch, orthodox, 7.d5 c6	328	31.7%	57.6%	0.21 MB
E89	King's Indian, Saemisch, orthodox main line	30	33.3%	60.0%	0.02 MB
E90	King's Indian, 5.Nf3	864	33.0%	57.2%	0.57 MB
E90	King's Indian, Larsen variation	92	38.0%	61.4%	0.08 MB
E90	King's Indian, Zinnowitz variation	40	45.0%	57.5%	0.03 MB
E91	King's Indian, 6.Be2	608	33.7%	64.7%	0.41 MB
E91	King's Indian, Kazakh variation	300	36.7%	56.0%	0.21 MB
E92	King's Indian, Andersson variation	298	54.4%	49.3%	0.20 MB
E92	King's Indian, Gligoric-Taimanov system	1489	34.3%	58.5%	0.97 MB
E92	King's Indian, Petrosian system	112	28.6%	51.8%	0.08 MB
E92	King's Indian, Petrosian system, Stein variation	595	33.1%	54.0%	0.41 MB
E92	King's Indian, classical variation	29	34.5%	41.4%	0.02 MB
E93	King's Indian, Petrosian system, main line	85	35.3%	50.6%	0.07 MB
E94	King's Indian, orthodox variation	1009	37.3%	54.0%	0.66 MB
E94	King's Indian, orthodox, 7...Nbd7	923	34.3%	59.8%	0.63 MB
E94	King's Indian, orthodox, Donner variation	202	35.1%	60.1%	0.15 MB
E95	King's Indian, orthodox, 7...Nbd7, 8.Re1	351	35.6%	56.0%	0.26 MB
E96	King's Indian, orthodox, 7...Nbd7, main line	47	38.3%	59.6%	0.03 MB
E97	King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)	4014	33.1%	55.9%	2.64 MB
E97	King's Indian, orthodox, Aronin-Taimanov, bayonet attack	1273	35.3%	58.2%	0.73 MB
E98	King's Indian, orthodox, Aronin-Taimanov, 9.Ne1	867	26.4%	60.7%	0.56 MB
E99	King's Indian, orthodox, Aronin-Taimanov, Benko attack	61	24.6%	68.0%	0.04 MB
E99	King's Indian, orthodox, Aronin-Taimanov, main line	25	32.0%	60.0%	0.02 MB