CCRL 40/15

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	3	0.0%	100.0%	0.00 MB
A00	Anderssen's opening	497	41.0%	50.1%	0.32 MB
A00	Anti-Borg (Desprez) opening	7	0.0%	42.9%	0.01 MB
A00	Battambang opening	20	40.0%	50.0%	0.01 MB
A00	Benko's opening	9597	39.9%	52.0%	5.84 MB
A00	Benko's opening, reversed Alekhine	129	41.9%	46.5%	0.09 MB
A00	Clemenz (Mead's, Basman's or de Klerk's) opening	92	37.0%	47.8%	0.07 MB
A00	Dunst (Sleipner, Heinrichsen) opening	2523	36.5%	50.0%	1.52 MB
A00	Durkin's attack	10	30.0%	45.0%	0.01 MB
A00	Gedult's opening	10	10.0%	55.0%	0.01 MB
A00	Global opening	4	25.0%	62.5%	0.00 MB
A00	Grob's attack	193	42.5%	35.2%	0.13 MB
A00	Grob, Fritz gambit	53	43.4%	27.4%	0.04 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	326	32.2%	49.8%	0.23 MB
A00	Novosibirsk opening	28	35.7%	53.6%	0.02 MB
A00	Polish (Sokolsky) opening	2670	38.8%	48.2%	1.68 MB
A00	Polish, Outflank variation	189	41.3%	47.1%	0.14 MB
A00	Saragossa opening	459	29.2%	51.0%	0.31 MB
A00	Van't Kruijs opening	604	39.9%	50.9%	0.40 MB
A00	Ware (Meadow Hay) opening	26	26.9%	36.5%	0.02 MB
A01	Nimzovich-Larsen attack	979	36.6%	51.9%	0.62 MB
A01	Nimzovich-Larsen attack, Dutch variation	45	24.4%	58.9%	0.04 MB
A01	Nimzovich-Larsen attack, English variation	513	34.9%	48.8%	0.34 MB
A01	Nimzovich-Larsen attack, Indian variation	630	37.1%	49.4%	0.42 MB
A01	Nimzovich-Larsen attack, Polish variation	6	16.7%	58.3%	0.01 MB
A01	Nimzovich-Larsen attack, classical variation	2112	33.7%	49.3%	1.34 MB
A01	Nimzovich-Larsen attack, modern variation	4295	38.3%	50.5%	2.62 MB
A01	Nimzovich-Larsen attack, symmetrical variation	868	40.1%	49.9%	0.55 MB
A02	Bird's opening	4135	35.9%	49.3%	2.51 MB
A02	Bird's opening, Swiss gambit	2	50.0%	75.0%	0.00 MB
A02	Bird, From gambit	275	33.1%	53.3%	0.18 MB
A02	Bird, From gambit, Lasker variation	32	50.0%	59.4%	0.03 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	3645	34.5%	47.9%	2.24 MB
A03	Bird's opening, Lasker variation	132	29.5%	45.8%	0.09 MB
A03	Bird's opening, Williams gambit	51	33.3%	55.9%	0.04 MB
A03	Mujannah opening	4	50.0%	25.0%	0.01 MB
A04	Reti opening	11558	37.2%	54.7%	7.11 MB
A04	Reti v Dutch	1788	32.0%	57.2%	1.13 MB
A04	Reti, Herrstroem gambit	2	0.0%	100.0%	0.00 MB
A04	Reti, Lisitsin gambit deferred	40	27.5%	71.3%	0.03 MB
A04	Reti, Pirc-Lisitsin gambit	154	29.9%	47.4%	0.11 MB
A04	Reti, Wade defence	2	0.0%	50.0%	0.00 MB
A05	Reti opening	5537	36.4%	52.9%	3.51 MB
A05	Reti, King's Indian attack	1798	40.4%	52.9%	1.14 MB
A05	Reti, King's Indian attack, Reti-Smyslov variation	152	32.9%	48.7%	0.10 MB
A05	Reti, King's Indian attack, Spassky's variation	655	41.1%	51.7%	0.44 MB
A06	Reti opening	996	37.8%	52.7%	0.66 MB
A06	Reti, Nimzovich-Larsen attack	4330	39.2%	49.6%	2.71 MB
A06	Reti, old Indian attack	186	30.1%	48.4%	0.13 MB
A06	Santasiere's folly	204	35.3%	46.1%	0.14 MB
A06	Tennison (Lemberg, Zukertort) gambit	42	40.5%	51.2%	0.03 MB
A07	Reti, King's Indian attack	2881	41.0%	53.1%	1.80 MB
A07	Reti, King's Indian attack (Barcza system)	7267	40.2%	53.5%	4.59 MB
A07	Reti, King's Indian attack (with ...c5)	270	35.2%	49.8%	0.18 MB
A07	Reti, King's Indian attack, Keres variation	994	35.9%	54.7%	0.65 MB
A07	Reti, King's Indian attack, Pachman system	181	40.3%	52.2%	0.12 MB
A07	Reti, King's Indian attack, Yugoslav variation	2058	40.4%	53.1%	1.33 MB
A08	Reti, King's Indian attack	756	40.6%	52.7%	0.50 MB
A08	Reti, King's Indian attack, French variation	320	39.1%	49.8%	0.21 MB
A09	Reti accepted	497	37.8%	52.1%	0.33 MB
A09	Reti accepted, Keres variation	64	25.0%	64.1%	0.04 MB
A09	Reti opening	976	38.0%	54.1%	0.63 MB
A09	Reti, advance variation	1555	35.4%	48.5%	0.96 MB
A10	English opening	4443	36.7%	55.0%	2.72 MB
A10	English, Adorjan defence	825	37.8%	52.5%	0.49 MB
A10	English, Anglo-Dutch defense	1147	31.9%	51.3%	0.73 MB
A10	English, Jaenisch gambit	2	0.0%	100.0%	0.00 MB
A11	English, Caro-Kann defensive system	2042	39.4%	53.2%	1.31 MB
A12	English, Bled variation	29	37.9%	46.6%	0.02 MB
A12	English, Capablanca's variation	116	36.2%	48.3%	0.09 MB
A12	English, Caro-Kann defensive system	295	34.2%	51.4%	0.20 MB
A12	English, Caro-Kann defensive system, Bogolyubov variation	158	44.9%	54.1%	0.11 MB
A12	English, London defensive system	156	42.3%	52.6%	0.11 MB
A12	English, New York (London) defensive system	80	42.5%	45.0%	0.06 MB
A12	English, Torre defensive system	96	44.8%	52.6%	0.07 MB
A13	English opening	3007	36.0%	52.8%	1.93 MB
A13	English opening, Agincourt variation	1915	39.1%	54.9%	1.25 MB
A13	English, Kurajica defence	168	34.5%	60.1%	0.12 MB
A13	English, Neo-Catalan	1093	41.4%	52.7%	0.69 MB
A13	English, Neo-Catalan accepted	1546	47.2%	55.8%	1.00 MB
A13	English, Romanishin gambit	403	40.9%	57.2%	0.27 MB
A13	English, Wimpey system	207	44.4%	47.3%	0.14 MB
A14	English, Neo-Catalan declined	1108	43.8%	54.6%	0.71 MB
A14	English, Symmetrical, Keres defence	585	47.5%	57.1%	0.38 MB
A15	English opening	15215	43.3%	53.7%	9.09 MB
A15	English, 1...Nf6 (Anglo-Indian defense)	1775	38.5%	55.0%	1.12 MB
A16	English opening	1842	35.0%	54.4%	1.16 MB
A16	English, Anglo-Gruenfeld defense	381	41.7%	55.2%	0.25 MB
A16	English, Anglo-Gruenfeld defense, Korchnoi variation	98	37.8%	55.6%	0.07 MB
A16	English, Anglo-Gruenfeld, Czech defense	258	34.5%	59.5%	0.17 MB
A16	English, Anglo-Gruenfeld, Smyslov defense	185	34.1%	57.6%	0.12 MB
A17	English opening	301	37.5%	53.0%	0.20 MB
A17	English, Nimzo-English opening	2507	38.8%	53.7%	1.56 MB
A17	English, Queens Indian formation	340	36.2%	59.3%	0.22 MB
A17	English, Queens Indian, Romanishin variation	107	31.8%	56.1%	0.08 MB
A18	English, Mikenas-Carls variation	315	38.4%	57.9%	0.21 MB
A18	English, Mikenas-Carls, Flohr variation	502	40.8%	58.9%	0.31 MB
A18	English, Mikenas-Carls, Kevitz variation	32	34.4%	48.4%	0.02 MB
A19	English, Mikenas-Carls, Sicilian variation	692	38.7%	54.0%	0.45 MB
A20	English opening	8892	37.8%	53.6%	5.44 MB
A20	English, Nimzovich variation	158	31.0%	55.4%	0.11 MB
A20	English, Nimzovich, Flohr variation	214	38.3%	48.1%	0.15 MB
A21	English opening	2165	31.5%	55.6%	1.36 MB
A21	English, Keres variation	14	21.4%	46.4%	0.01 MB
A21	English, Kramnik-Shirov counterattack	3045	37.6%	51.9%	1.91 MB
A21	English, Smyslov defence	62	24.2%	62.1%	0.05 MB
A21	English, Troeger defence	169	25.4%	55.9%	0.11 MB
A22	English opening	1048	35.9%	50.7%	0.69 MB
A22	English, Bellon gambit	47	27.7%	58.5%	0.03 MB
A22	English, Bremen, Smyslov system	1987	38.6%	48.7%	1.25 MB
A22	English, Bremen, reverse dragon	793	40.4%	51.2%	0.52 MB
A22	English, Carls' Bremen system	585	37.8%	53.8%	0.38 MB
A23	English, Bremen system, Keres variation	870	39.0%	50.1%	0.57 MB
A24	English, Bremen system with ...g6	240	37.5%	49.2%	0.16 MB
A25	English, Sicilian reversed	1156	32.6%	53.6%	0.73 MB
A25	English, closed system	888	34.9%	54.3%	0.57 MB
A25	English, closed system (without ...d6)	138	29.0%	55.8%	0.10 MB
A25	English, closed, 5.Rb1	577	39.0%	52.6%	0.37 MB
A25	English, closed, 5.Rb1 Taimanov variation	10	20.0%	60.0%	0.01 MB
A25	English, closed, Hort variation	44	29.5%	55.7%	0.03 MB
A25	English, closed, Taimanov variation	32	18.8%	62.5%	0.02 MB
A26	English, Botvinnik system	383	36.8%	53.1%	0.25 MB
A26	English, closed system	424	38.0%	51.3%	0.28 MB
A27	English, three knights system	1364	31.4%	52.1%	0.86 MB
A28	English, Bradley Beach variation	74	23.0%	39.9%	0.05 MB
A28	English, Nenarokov variation	126	39.7%	50.8%	0.08 MB
A28	English, four knights system	455	42.4%	52.9%	0.31 MB
A28	English, four knights, 4.e3	1360	37.8%	52.5%	0.87 MB
A28	English, four knights, Capablanca variation	652	37.3%	53.8%	0.44 MB
A28	English, four knights, Marini variation	1137	38.9%	50.2%	0.73 MB
A28	English, four knights, Nimzovich variation	845	35.0%	54.2%	0.57 MB
A28	English, four knights, Romanishin variation	568	50.4%	52.5%	0.38 MB
A28	English, four knights, Stean variation	101	40.6%	58.9%	0.07 MB
A29	English, four knights, kingside fianchetto	7353	41.4%	52.2%	4.48 MB
A30	English, symmetrical variation	4458	39.0%	54.0%	2.77 MB
A30	English, symmetrical, hedgehog system	3029	46.9%	56.0%	1.90 MB
A30	English, symmetrical, hedgehog, flexible formation	187	42.8%	54.5%	0.13 MB
A31	English, symmetrical, Benoni formation	1447	39.4%	55.6%	0.93 MB
A32	English, symmetrical variation	751	42.9%	53.9%	0.50 MB
A33	English, symmetrical variation	2036	47.3%	53.7%	1.29 MB
A33	English, symmetrical, Geller variation	796	40.1%	53.8%	0.48 MB
A34	English, symmetrical variation	1523	39.5%	54.2%	0.98 MB
A34	English, symmetrical, Rubinstein system	476	38.7%	52.7%	0.31 MB
A34	English, symmetrical, three knights system	1704	44.5%	54.6%	1.05 MB
A35	English, symmetrical variation	390	35.6%	49.9%	0.27 MB
A35	English, symmetrical, four knights system	2696	44.0%	53.5%	1.69 MB
A36	English, symmetrical variation	142	34.5%	51.8%	0.10 MB
A36	English, symmetrical, Botvinnik system	196	34.7%	49.5%	0.13 MB
A36	English, symmetrical, Botvinnik system reversed	112	41.1%	53.6%	0.08 MB
A36	English, ultra-symmetrical variation	1910	37.4%	52.4%	1.18 MB
A37	English, symmetrical variation	1300	40.9%	51.1%	0.82 MB
A37	English, symmetrical, Botvinnik system reversed	948	38.9%	51.7%	0.60 MB
A38	English, symmetrical variation	661	44.0%	55.0%	0.44 MB
A38	English, symmetrical, main line with b3	3	66.7%	33.3%	0.00 MB
A38	English, symmetrical, main line with d3	202	43.6%	54.0%	0.14 MB
A39	English, symmetrical, main line with d4	647	42.3%	56.3%	0.42 MB
A40	Beefeater defence	54	31.5%	62.0%	0.03 MB
A40	Modern defence	1735	35.3%	57.0%	1.12 MB
A40	Polish defence	124	32.3%	57.3%	0.09 MB
A40	Queen's pawn	3665	34.1%	54.9%	2.31 MB
A40	Queen's pawn, Charlick (Englund) gambit	32	43.8%	59.4%	0.02 MB
A40	Queen's pawn, English defence	462	43.9%	57.7%	0.30 MB
A40	Queen's pawn, Franco-Indian (Keres) defence	1929	36.0%	56.3%	1.20 MB
A40	Queen's pawn, Keres defence	2918	42.0%	56.1%	1.76 MB
A40	Queen's pawn, Lundin (Kevitz-Mikenas) defence	325	26.5%	56.9%	0.22 MB
A41	Modern defence	152	30.9%	55.6%	0.10 MB
A41	Old Indian defence	1509	32.5%	53.6%	0.96 MB
A41	Old Indian, Tartakower (Wade) variation	1735	32.6%	58.9%	1.10 MB
A41	Queen's Pawn	2936	35.1%	55.6%	1.87 MB
A41	Robatsch defence, Rossolimo variation	211	33.2%	52.1%	0.15 MB
A42	Modern defence, Averbakh system	788	33.0%	58.9%	0.49 MB
A42	Modern defence, Averbakh system, Kotov variation	169	27.2%	62.1%	0.11 MB
A42	Modern defence, Averbakh system, Randspringer variation	15	13.3%	66.7%	0.01 MB
A42	Pterodactyl defence	340	36.8%	63.4%	0.22 MB
A43	Hawk (Habichd) defence	3	66.7%	33.3%	0.00 MB
A43	Old Benoni defence	2523	33.4%	56.9%	1.56 MB
A43	Old Benoni, Franco-Benoni defence	189	33.9%	62.4%	0.13 MB
A43	Old Benoni, Mujannah formation	85	32.9%	62.4%	0.06 MB
A43	Old Benoni, Schmid's system	39	25.6%	59.0%	0.03 MB
A43	Woozle defence	8	0.0%	75.0%	0.01 MB
A44	Old Benoni defence	67	29.9%	59.7%	0.05 MB
A44	Semi-Benoni (`blockade variation')	428	29.7%	59.9%	0.28 MB
A45	Blackmar-Diemer gambit	245	27.3%	52.4%	0.16 MB
A45	Canard opening	17	29.4%	38.2%	0.01 MB
A45	Paleface attack	46	32.6%	51.1%	0.03 MB
A45	Queen's pawn game	3938	36.4%	53.5%	2.51 MB
A45	Queen's pawn, Bronstein gambit	12	33.3%	50.0%	0.01 MB
A45	Trompovsky attack (Ruth, Opovcensky opening)	6870	34.2%	53.3%	4.16 MB
A46	Queen's pawn game	5253	38.6%	54.3%	3.31 MB
A46	Queen's pawn, Torre attack	2076	35.9%	52.1%	1.29 MB
A46	Queen's pawn, Torre attack, Wagner gambit	23	30.4%	50.0%	0.02 MB
A46	Queen's pawn, Yusupov-Rubinstein system	1137	40.2%	52.4%	0.74 MB
A47	Queen's Indian defence	767	37.0%	51.2%	0.52 MB
A47	Queen's Indian, Marienbad system	113	37.2%	52.2%	0.08 MB
A47	Queen's Indian, Marienbad system, Berg variation	21	52.4%	54.8%	0.02 MB
A48	King's Indian, East Indian defence	1341	38.5%	52.8%	0.88 MB
A48	King's Indian, London system	1679	38.3%	53.5%	1.08 MB
A48	King's Indian, Torre attack	2257	39.7%	50.2%	1.42 MB
A49	King's Indian, fianchetto without c4	1650	40.1%	55.8%	1.05 MB
A50	Kevitz-Trajkovich defence	652	33.0%	55.9%	0.43 MB
A50	Queen's Indian accelerated	474	43.5%	56.5%	0.31 MB
A50	Queen's pawn game	1143	36.5%	56.3%	0.76 MB
A51	Budapest defence declined	29	44.8%	60.3%	0.02 MB
A51	Budapest, Fajarowicz variation	408	40.2%	56.9%	0.26 MB
A51	Budapest, Fajarowicz, Steiner variation	50	36.0%	46.0%	0.04 MB
A52	Budapest defence	68	36.8%	52.2%	0.05 MB
A52	Budapest, Adler variation	408	45.3%	58.2%	0.26 MB
A52	Budapest, Alekhine variation	25	28.0%	62.0%	0.02 MB
A52	Budapest, Alekhine variation, Balogh gambit	1	100.0%	50.0%	0.00 MB
A52	Budapest, Alekhine, Abonyi variation	74	28.4%	61.5%	0.05 MB
A52	Budapest, Rubinstein variation	489	42.1%	61.3%	0.33 MB
A53	Old Indian defence	1466	37.2%	58.6%	0.96 MB
A53	Old Indian, Janowski variation	214	34.6%	54.7%	0.15 MB
A54	Old Indian, Dus-Khotimirsky variation	22	27.3%	40.9%	0.02 MB
A54	Old Indian, Ukrainian variation	194	39.2%	53.1%	0.14 MB
A54	Old Indian, Ukrainian variation, 4.Nf3	444	35.8%	54.6%	0.30 MB
A55	Old Indian, main line	575	35.7%	58.2%	0.41 MB
A56	Benoni defence	1022	33.7%	60.1%	0.65 MB
A56	Benoni defence, Hromodka system	620	26.1%	62.9%	0.36 MB
A56	Czech Benoni defence	403	26.8%	66.3%	0.28 MB
A56	Czech Benoni, King's Indian system	65	20.0%	62.3%	0.05 MB
A56	Vulture defence	1	100.0%	50.0%	0.00 MB
A57	Benko gambit	1220	34.9%	55.8%	0.76 MB
A57	Benko gambit half accepted	1141	38.7%	58.4%	0.69 MB
A57	Benko gambit, Zaitsev system	134	34.3%	50.7%	0.09 MB
A58	Benko gambit accepted	978	35.7%	58.1%	0.60 MB
A58	Benko gambit, Nd2 variation	12	41.7%	62.5%	0.01 MB
A58	Benko gambit, fianchetto variation	176	46.6%	60.8%	0.12 MB
A59	Benko gambit	52	44.2%	62.5%	0.04 MB
A59	Benko gambit, 7.e4	44	38.6%	58.0%	0.03 MB
A59	Benko gambit, Ne2 variation	20	40.0%	50.0%	0.01 MB
A59	Benko gambit, main line	165	41.8%	68.8%	0.10 MB
A60	Benoni defence	325	28.6%	56.8%	0.21 MB
A61	Benoni defence	632	32.9%	61.7%	0.39 MB
A61	Benoni, Nimzovich (knight's tour) variation	577	27.9%	59.9%	0.36 MB
A61	Benoni, Uhlmann variation	221	22.6%	40.3%	0.11 MB
A61	Benoni, fianchetto variation	68	30.9%	59.6%	0.05 MB
A62	Benoni, fianchetto variation	1479	35.2%	55.9%	0.86 MB
A63	Benoni, fianchetto, 9...Nbd7	166	37.3%	65.1%	0.11 MB
A64	Benoni, fianchetto, 11...Re8	252	40.5%	49.6%	0.15 MB
A65	Benoni, 6.e4	543	33.1%	57.6%	0.34 MB
A66	Benoni, Mikenas variation	35	17.1%	54.3%	0.02 MB
A66	Benoni, pawn storm variation	5	40.0%	60.0%	0.00 MB
A67	Benoni, Taimanov variation	346	29.8%	63.2%	0.19 MB
A68	Benoni, four pawns attack	121	34.7%	58.7%	0.07 MB
A69	Benoni, four pawns attack, main line	148	39.9%	53.7%	0.09 MB
A70	Benoni, classical with e4 and Nf3	742	39.1%	59.0%	0.46 MB
A70	Benoni, classical without 9.O-O	17	11.8%	52.9%	0.01 MB
A71	Benoni, classical, 8.Bg5	168	35.1%	56.3%	0.12 MB
A72	Benoni, classical without 9.O-O	138	44.9%	64.5%	0.09 MB
A73	Benoni, classical, 9.O-O	127	31.5%	58.3%	0.09 MB
A74	Benoni, classical, 9...a6, 10.a4	40	32.5%	63.8%	0.03 MB
A75	Benoni, classical with ...a6 and 10...Bg4	140	33.6%	62.5%	0.09 MB
A76	Benoni, classical, 9...Re8	212	41.0%	63.4%	0.15 MB
A77	Benoni, classical, 9...Re8, 10.Nd2	229	34.5%	62.7%	0.15 MB
A78	Benoni, classical with ...Re8 and ...Na6	127	32.3%	61.0%	0.08 MB
A79	Benoni, classical, 11.f3	103	31.1%	62.1%	0.07 MB
A80	Dutch	3458	34.5%	54.5%	2.12 MB
A80	Dutch, 2.Bg5 variation	1742	31.6%	53.9%	1.08 MB
A80	Dutch, Korchnoi attack	72	26.4%	49.3%	0.05 MB
A80	Dutch, Krejcik gambit	321	32.4%	53.6%	0.19 MB
A80	Dutch, Manhattan (Alapin, Ulvestad) variation	51	23.5%	51.0%	0.03 MB
A80	Dutch, Spielmann gambit	2	0.0%	50.0%	0.00 MB
A81	Dutch defence	4654	38.0%	56.5%	2.86 MB
A81	Dutch defence, Blackburne variation	78	29.5%	53.2%	0.05 MB
A81	Dutch, Leningrad, Basman system	12	50.0%	58.3%	0.01 MB
A81	Dutch, Leningrad, Karlsbad variation	12	50.0%	50.0%	0.01 MB
A82	Dutch, Balogh defence	26	46.2%	61.5%	0.02 MB
A82	Dutch, Staunton gambit	219	35.2%	44.5%	0.13 MB
A82	Dutch, Staunton gambit, Tartakower variation	18	27.8%	58.3%	0.01 MB
A83	Dutch, Staunton gambit, Alekhine variation	5	40.0%	40.0%	0.00 MB
A83	Dutch, Staunton gambit, Chigorin variation	103	31.1%	53.4%	0.07 MB
A83	Dutch, Staunton gambit, Lasker variation	33	36.4%	57.6%	0.02 MB
A83	Dutch, Staunton gambit, Nimzovich variation	4	50.0%	25.0%	0.00 MB
A83	Dutch, Staunton gambit, Staunton's line	271	39.5%	49.6%	0.17 MB
A84	Dutch defence	846	36.5%	56.4%	0.56 MB
A84	Dutch defence, Rubinstein variation	491	32.4%	56.9%	0.31 MB
A84	Dutch, Staunton gambit deferred	11	45.5%	31.8%	0.01 MB
A85	Dutch with c4 & Nc3	962	32.7%	54.6%	0.59 MB
A86	Dutch with c4 & g3	179	35.2%	60.6%	0.13 MB
A86	Dutch, Hort-Antoshin system	10	40.0%	60.0%	0.01 MB
A86	Dutch, Leningrad variation	303	37.6%	57.8%	0.20 MB
A87	Dutch, Leningrad, main variation	563	39.3%	56.0%	0.37 MB
A88	Dutch, Leningrad, main variation with c6	1206	39.6%	58.8%	0.77 MB
A89	Dutch, Leningrad, main variation with Nc6	580	35.0%	62.0%	0.39 MB
A90	Dutch defence	1324	38.1%	60.6%	0.87 MB
A90	Dutch defence, Dutch-Indian (Nimzo-Dutch) variation	302	36.1%	60.4%	0.21 MB
A90	Dutch-Indian, Alekhine variation	93	32.3%	58.1%	0.07 MB
A91	Dutch defence	227	33.0%	52.2%	0.15 MB
A92	Dutch defence	140	39.3%	61.8%	0.09 MB
A92	Dutch defence, Alekhine variation	58	43.1%	57.8%	0.05 MB
A92	Dutch, stonewall variation	147	40.1%	60.9%	0.11 MB
A92	Dutch, stonewall with Nc3	37	43.2%	48.6%	0.03 MB
A93	Dutch, stonewall, Botwinnik variation	287	39.0%	60.6%	0.19 MB
A94	Dutch, stonewall with Ba3	131	42.0%	56.9%	0.09 MB
A95	Dutch, stonewall with Nc3	314	32.2%	58.4%	0.21 MB
A95	Dutch, stonewall: Chekhover variation	1	100.0%	50.0%	0.00 MB
A96	Dutch, classical variation	544	35.3%	59.0%	0.36 MB
A97	Dutch, Ilyin-Genevsky variation	169	35.5%	55.0%	0.12 MB
A97	Dutch, Ilyin-Genevsky, Winter variation	189	39.7%	63.8%	0.13 MB
A98	Dutch, Ilyin-Genevsky variation with Qc2	207	29.0%	57.5%	0.13 MB
A99	Dutch, Ilyin-Genevsky variation with b3	389	39.3%	60.8%	0.26 MB
B00	Barnes defence	8	37.5%	81.3%	0.01 MB
B00	Carr's defence	4	50.0%	50.0%	0.00 MB
B00	Corn stalk defence	4	50.0%	50.0%	0.00 MB
B00	Fred	8	0.0%	75.0%	0.01 MB
B00	KP, Colorado counter	12	41.7%	70.8%	0.01 MB
B00	KP, Nimzovich defence	1045	32.3%	58.7%	0.69 MB
B00	KP, Nimzovich defence, Bogolyubov variation	150	29.3%	60.0%	0.10 MB
B00	KP, Nimzovich defence, Marshall gambit	6	16.7%	25.0%	0.01 MB
B00	King's pawn opening	2594	33.7%	56.6%	1.64 MB
B00	Lemming defence	12	33.3%	58.3%	0.01 MB
B00	Owen defence	477	32.3%	60.2%	0.31 MB
B00	Reversed Grob (Borg/Basman defence/macho Grob)	44	18.2%	70.5%	0.03 MB
B00	St. George (Baker) defence	51	33.3%	61.8%	0.04 MB
B01	Scandinavian (centre counter) defence	3587	39.4%	57.6%	2.22 MB
B01	Scandinavian defence	1514	39.7%	58.6%	0.97 MB
B01	Scandinavian defence, Gruenfeld variation	4	0.0%	75.0%	0.00 MB
B01	Scandinavian defence, Lasker variation	134	32.8%	64.9%	0.09 MB
B01	Scandinavian gambit	201	43.8%	55.2%	0.14 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	68	45.6%	56.6%	0.05 MB
B01	Scandinavian, Kiel variation	7	28.6%	85.7%	0.01 MB
B01	Scandinavian, Marshall variation	700	43.4%	59.4%	0.45 MB
B01	Scandinavian, Mieses-Kotrvc gambit	13	53.8%	50.0%	0.01 MB
B01	Scandinavian, Pytel-Wade variation	3362	43.2%	57.9%	2.03 MB
B01	Scandinavian, Richter variation	12	16.7%	66.7%	0.01 MB
B02	Alekhine's defence	779	34.1%	54.7%	0.50 MB
B02	Alekhine's defence, Brooklyn defence	15	26.7%	60.0%	0.01 MB
B02	Alekhine's defence, Kmoch variation	13	15.4%	30.8%	0.01 MB
B02	Alekhine's defence, Krejcik variation	18	38.9%	47.2%	0.01 MB
B02	Alekhine's defence, Maroczy variation	165	35.8%	57.9%	0.11 MB
B02	Alekhine's defence, Mokele Mbembe (Buecker) variation	2	50.0%	25.0%	0.00 MB
B02	Alekhine's defence, Saemisch attack	448	34.2%	49.0%	0.29 MB
B02	Alekhine's defence, Scandinavian variation	492	36.6%	55.7%	0.32 MB
B02	Alekhine's defence, Spielmann variation	22	22.7%	47.7%	0.02 MB
B02	Alekhine's defence, Steiner variation	19	36.8%	50.0%	0.02 MB
B02	Alekhine's defence, Two pawns' (Lasker's) attack	396	39.9%	52.3%	0.27 MB
B02	Alekhine's defence, Two pawns' attack, Mikenas variation	2	0.0%	0.0%	0.00 MB
B02	Alekhine's defence, Welling variation	10	20.0%	50.0%	0.01 MB
B03	Alekhine's defence	183	37.7%	59.3%	0.12 MB
B03	Alekhine's defence, Balogh variation	52	36.5%	58.7%	0.03 MB
B03	Alekhine's defence, exchange variation	837	39.5%	59.1%	0.53 MB
B03	Alekhine's defence, exchange, Karpov variation	14	64.3%	53.6%	0.01 MB
B03	Alekhine's defence, four pawns attack	294	32.7%	65.3%	0.18 MB
B03	Alekhine's defence, four pawns attack, 6...Nc6	21	33.3%	45.2%	0.02 MB
B03	Alekhine's defence, four pawns attack, 7.Be3	160	36.3%	70.0%	0.10 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	11	36.4%	36.4%	0.01 MB
B03	Alekhine's defence, four pawns attack, Trifunovic variation	103	32.0%	68.4%	0.07 MB
B03	Alekhine's defence, four pawns attack, fianchetto variation	142	33.1%	61.6%	0.09 MB
B04	Alekhine's defence, modern variation	316	36.1%	61.1%	0.21 MB
B04	Alekhine's defence, modern, Keres variation	78	38.5%	67.9%	0.06 MB
B04	Alekhine's defence, modern, Larsen variation	1074	42.4%	59.3%	0.69 MB
B04	Alekhine's defence, modern, Schmid variation	176	39.8%	60.8%	0.13 MB
B04	Alekhine's defence, modern, fianchetto variation	901	37.1%	57.4%	0.59 MB
B05	Alekhine's defence, modern variation, 4...Bg4	768	32.6%	64.5%	0.51 MB
B05	Alekhine's defence, modern, Alekhine variation	8	37.5%	43.8%	0.01 MB
B05	Alekhine's defence, modern, Flohr variation	195	38.5%	60.8%	0.13 MB
B05	Alekhine's defence, modern, Panov variation	29	41.4%	48.3%	0.02 MB
B05	Alekhine's defence, modern, Vitolins attack	40	45.0%	55.0%	0.03 MB
B06	Norwegian defence	6	66.7%	50.0%	0.00 MB
B06	Robatsch (modern) defence	8936	35.3%	56.1%	5.37 MB
B06	Robatsch defence	1066	35.5%	58.6%	0.68 MB
B06	Robatsch defence, Gurgenidze variation	92	31.5%	63.6%	0.07 MB
B06	Robatsch defence, Pseudo-Austrian attack	649	35.9%	53.7%	0.41 MB
B06	Robatsch defence, Two knights variation	400	32.3%	60.1%	0.26 MB
B06	Robatsch defence, Two knights, Suttles variation	1120	37.8%	57.9%	0.73 MB
B06	Robatsch defence, three pawns attack	205	27.3%	60.0%	0.14 MB
B07	Pirc defence	2501	35.8%	56.0%	1.53 MB
B07	Pirc, 150 attack	308	38.0%	61.5%	0.20 MB
B07	Pirc, Byrne variation	556	33.3%	56.9%	0.34 MB
B07	Pirc, Chinese variation	6	50.0%	41.7%	0.01 MB
B07	Pirc, Holmov system	77	39.0%	53.2%	0.05 MB
B07	Pirc, Sveshnikov system	394	36.3%	52.7%	0.26 MB
B07	Pirc, Ufimtsev-Pytel variation	663	34.1%	57.8%	0.44 MB
B07	Pirc, bayonet (Mariotti) attack	51	43.1%	56.9%	0.04 MB
B07	Robatsch defence, Geller's system	740	36.8%	56.9%	0.50 MB
B08	Pirc, classical (two knights) system	903	37.4%	58.5%	0.59 MB
B08	Pirc, classical system, 5.Be2	2989	38.9%	58.1%	1.93 MB
B08	Pirc, classical, h3 system	539	38.2%	59.0%	0.36 MB
B09	Pirc, Austrian attack	224	39.3%	60.7%	0.16 MB
B09	Pirc, Austrian attack, 6.Bd3	1507	40.1%	60.1%	0.92 MB
B09	Pirc, Austrian attack, 6.Be3	402	32.8%	57.0%	0.25 MB
B09	Pirc, Austrian attack, 6.e5	131	38.9%	56.1%	0.09 MB
B09	Pirc, Austrian attack, Ljubojevic variation	33	30.3%	48.5%	0.02 MB
B09	Pirc, Austrian attack, dragon formation	888	39.4%	57.9%	0.53 MB
B10	Caro-Kann defence	3068	35.0%	52.5%	1.91 MB
B10	Caro-Kann, Goldman (Spielmann) variation	144	36.1%	51.4%	0.10 MB
B10	Caro-Kann, Hillbilly attack	2	0.0%	50.0%	0.00 MB
B10	Caro-Kann, Two knights variation	736	36.3%	57.5%	0.48 MB
B10	Caro-Kann, anti-Caro-Kann defence	791	31.4%	59.8%	0.52 MB
B10	Caro-Kann, anti-anti-Caro-Kann defence	1645	47.8%	52.7%	1.03 MB
B10	Caro-Kann, closed (Breyer) variation	1378	37.8%	52.7%	0.89 MB
B11	Caro-Kann, Two knights, 3...Bg4	1351	39.7%	55.3%	0.84 MB
B12	Caro-Kann defence	389	31.4%	57.3%	0.25 MB
B12	Caro-Kann, 3.Nd2	251	36.3%	59.6%	0.17 MB
B12	Caro-Kann, Edinburgh variation	77	42.9%	56.5%	0.05 MB
B12	Caro-Kann, Tartakower (fantasy) variation	982	37.3%	55.5%	0.61 MB
B12	Caro-Kann, advance variation	13348	37.9%	56.4%	7.77 MB
B12	Caro-Kann, advance, Short variation	66	30.3%	60.6%	0.04 MB
B12	Caro-Masi defence	1	100.0%	50.0%	0.00 MB
B12	de Bruycker defence	25	8.0%	56.0%	0.02 MB
B13	Caro-Kann, Panov-Botvinnik attack	1315	46.4%	53.1%	0.82 MB
B13	Caro-Kann, Panov-Botvinnik, Czerniak variation	52	38.5%	48.1%	0.04 MB
B13	Caro-Kann, Panov-Botvinnik, Gunderam attack	26	26.9%	44.2%	0.02 MB
B13	Caro-Kann, Panov-Botvinnik, Herzog defence	18	33.3%	50.0%	0.01 MB
B13	Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation	7	42.9%	64.3%	0.01 MB
B13	Caro-Kann, Panov-Botvinnik, normal variation	134	46.3%	56.7%	0.09 MB
B13	Caro-Kann, exchange variation	1268	39.4%	52.1%	0.82 MB
B13	Caro-Kann, exchange, Rubinstein variation	197	36.0%	54.6%	0.14 MB
B14	Caro-Kann, Panov-Botvinnik attack, 5...e6	2197	47.2%	55.5%	1.41 MB
B14	Caro-Kann, Panov-Botvinnik attack, 5...g6	409	51.3%	52.6%	0.28 MB
B15	Caro-Kann defence	345	30.1%	54.5%	0.22 MB
B15	Caro-Kann, Alekhine gambit	34	32.4%	48.5%	0.03 MB
B15	Caro-Kann, Forgacs variation	279	42.3%	56.3%	0.18 MB
B15	Caro-Kann, Gurgenidze counter-attack	8	50.0%	62.5%	0.01 MB
B15	Caro-Kann, Gurgenidze system	454	36.6%	57.5%	0.31 MB
B15	Caro-Kann, Rasa-Studier gambit	18	22.2%	27.8%	0.02 MB
B15	Caro-Kann, Tartakower (Nimzovich) variation	520	40.8%	56.3%	0.35 MB
B16	Caro-Kann, Bronstein-Larsen variation	618	33.0%	60.7%	0.40 MB
B17	Caro-Kann, Steinitz variation	4359	43.5%	53.5%	2.69 MB
B18	Caro-Kann, classical variation	1991	45.0%	54.7%	1.24 MB
B18	Caro-Kann, classical, 6.h4	693	42.4%	55.1%	0.43 MB
B18	Caro-Kann, classical, Flohr variation	134	52.2%	53.7%	0.09 MB
B18	Caro-Kann, classical, Maroczy attack	12	16.7%	41.7%	0.01 MB
B19	Caro-Kann, classical, 7...Nd7	416	50.0%	51.9%	0.26 MB
B19	Caro-Kann, classical, Spassky variation	2823	40.1%	56.6%	1.66 MB
B20	Sicilian defence	3497	33.5%	50.2%	2.18 MB
B20	Sicilian, Gloria variation	14	21.4%	46.4%	0.01 MB
B20	Sicilian, Keres variation (2.Ne2)	1117	37.3%	52.3%	0.70 MB
B20	Sicilian, Steinitz variation	612	37.4%	50.7%	0.41 MB
B20	Sicilian, wing gambit	99	34.3%	45.5%	0.07 MB
B20	Sicilian, wing gambit, Carlsbad variation	36	44.4%	50.0%	0.03 MB
B20	Sicilian, wing gambit, Marienbad variation	1	0.0%	0.0%	0.00 MB
B20	Sicilian, wing gambit, Marshall variation	94	28.7%	55.9%	0.06 MB
B21	Sicilian, Andreaschek gambit	19	47.4%	55.3%	0.01 MB
B21	Sicilian, Grand Prix attack	1945	33.8%	52.2%	1.20 MB
B21	Sicilian, Smith-Morra gambit	1036	40.5%	48.1%	0.65 MB
B22	Sicilian, 2.c3, Heidenfeld variation	62	25.8%	45.2%	0.04 MB
B22	Sicilian, Alapin's variation (2.c3)	8061	42.8%	54.5%	4.99 MB
B23	Sicilian, Grand Prix attack	983	36.5%	49.5%	0.61 MB
B23	Sicilian, Grand Prix attack, Schofman variation	160	41.9%	52.2%	0.10 MB
B23	Sicilian, chameleon variation	931	34.9%	57.1%	0.59 MB
B23	Sicilian, closed	4833	36.6%	51.7%	2.96 MB
B23	Sicilian, closed, 2...Nc6	2567	38.8%	52.4%	1.61 MB
B23	Sicilian, closed, Korchnoi variation	240	46.7%	50.4%	0.17 MB
B24	Sicilian, closed	612	35.6%	50.2%	0.39 MB
B24	Sicilian, closed, Smyslov variation	25	28.0%	58.0%	0.02 MB
B25	Sicilian, closed	374	35.6%	49.9%	0.25 MB
B25	Sicilian, closed, 6.Ne2 e5 (Botvinnik)	79	32.9%	51.9%	0.06 MB
B25	Sicilian, closed, 6.f4	513	38.4%	50.0%	0.34 MB
B25	Sicilian, closed, 6.f4 e5 (Botvinnik)	37	43.2%	59.5%	0.03 MB
B26	Sicilian, closed, 6.Be3	789	32.8%	50.1%	0.50 MB
B27	Sicilian defence	53	35.8%	63.2%	0.04 MB
B27	Sicilian, Acton extension	4	25.0%	87.5%	0.00 MB
B27	Sicilian, Hungarian variation	3889	39.7%	57.6%	2.51 MB
B27	Sicilian, Katalimov variation	210	41.4%	58.3%	0.14 MB
B27	Sicilian, Quinteros variation	76	39.5%	63.2%	0.06 MB
B27	Sicilian, Stiletto (Althouse) variation	2	50.0%	25.0%	0.00 MB
B28	Sicilian, O'Kelly variation	964	36.0%	57.9%	0.61 MB
B29	Sicilian, Nimzovich-Rubinstein variation	1204	40.4%	58.1%	0.75 MB
B29	Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit	64	56.3%	53.1%	0.05 MB
B30	Sicilian defence	3839	39.6%	54.4%	2.43 MB
B30	Sicilian, Nimzovich-Rossolimo attack (without ...d6)	6231	37.9%	56.5%	3.80 MB
B31	Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)	4080	40.5%	56.4%	2.48 MB
B31	Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation	41	48.8%	51.2%	0.03 MB
B32	Sicilian defence	1129	39.0%	55.8%	0.72 MB
B32	Sicilian, Flohr variation	322	36.0%	58.7%	0.21 MB
B32	Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation	1547	40.8%	56.3%	0.97 MB
B32	Sicilian, Labourdonnais-Loewenthal variation	349	39.3%	58.6%	0.23 MB
B32	Sicilian, Nimzovich variation	37	43.2%	54.1%	0.02 MB
B33	Sicilian defence	590	39.3%	54.9%	0.38 MB
B33	Sicilian, Pelikan (Lasker/Sveshnikov) variation	1266	35.9%	55.1%	0.77 MB
B33	Sicilian, Pelikan, Bird variation	253	36.8%	63.8%	0.16 MB
B33	Sicilian, Pelikan, Chelyabinsk variation	2365	36.9%	57.4%	1.40 MB
B33	Sicilian, Sveshnikov variation	1555	39.3%	50.8%	0.89 MB
B34	Sicilian, accelerated fianchetto, exchange variation	38	39.5%	48.7%	0.03 MB
B34	Sicilian, accelerated fianchetto, modern variation	564	38.7%	52.8%	0.38 MB
B35	Sicilian, accelerated fianchetto, modern variation with Bc4	2392	43.2%	53.5%	1.50 MB
B36	Sicilian, accelerated fianchetto, Gurgenidze variation	335	48.7%	60.4%	0.23 MB
B36	Sicilian, accelerated fianchetto, Maroczy bind	1124	45.6%	58.1%	0.75 MB
B37	Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg7	217	42.9%	55.5%	0.15 MB
B37	Sicilian, accelerated fianchetto, Simagin variation	2	100.0%	50.0%	0.00 MB
B38	Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3	1196	43.4%	57.7%	0.79 MB
B39	Sicilian, accelerated fianchetto, Breyer variation	708	41.7%	58.3%	0.47 MB
B40	Sicilian defence	7640	38.3%	54.0%	4.74 MB
B40	Sicilian, Anderssen variation	990	40.3%	56.9%	0.64 MB
B40	Sicilian, Marshall variation	4	25.0%	87.5%	0.00 MB
B40	Sicilian, Pin variation (Sicilian counter-attack)	36	33.3%	63.9%	0.03 MB
B40	Sicilian, Pin, Jaffe variation	4	0.0%	100.0%	0.00 MB
B40	Sicilian, Pin, Koch variation	70	25.7%	75.7%	0.05 MB
B41	Sicilian, Kan variation	258	43.0%	55.6%	0.17 MB
B41	Sicilian, Kan, Maroczy bind (Reti variation)	637	35.8%	59.2%	0.41 MB
B41	Sicilian, Kan, Maroczy bind - Bronstein variation	31	32.3%	35.5%	0.02 MB
B42	Sicilian, Kan, 5.Bd3	2390	39.0%	57.8%	1.52 MB
B42	Sicilian, Kan, Gipslis variation	84	39.3%	63.7%	0.06 MB
B42	Sicilian, Kan, Polugaievsky variation	1760	38.1%	54.5%	1.11 MB
B42	Sicilian, Kan, Swiss cheese variation	324	34.6%	60.8%	0.21 MB
B43	Sicilian, Kan, 5.Nc3	3837	39.2%	56.3%	2.33 MB
B44	Sicilian defence	387	42.6%	52.3%	0.25 MB
B44	Sicilian, Szen (`anti-Taimanov') variation	983	42.0%	53.3%	0.66 MB
B44	Sicilian, Szen variation, Dely-Kasparov gambit	29	58.6%	60.3%	0.02 MB
B44	Sicilian, Szen, hedgehog variation	244	41.0%	50.8%	0.16 MB
B45	Sicilian, Taimanov variation	2340	38.2%	56.7%	1.41 MB
B45	Sicilian, Taimanov, American attack	19	42.1%	42.1%	0.01 MB
B46	Sicilian, Taimanov variation	3670	38.6%	55.7%	2.27 MB
B47	Sicilian, Taimanov (Bastrikov) variation	4404	41.8%	54.4%	2.70 MB
B48	Sicilian, Taimanov variation	3918	37.5%	56.3%	2.34 MB
B49	Sicilian, Taimanov variation	774	44.4%	57.2%	0.54 MB
B50	Sicilian	6283	39.4%	52.9%	3.98 MB
B50	Sicilian, wing gambit deferred	33	33.3%	43.9%	0.02 MB
B51	Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack	2490	38.6%	54.8%	1.59 MB
B52	Sicilian, Canal-Sokolsky attack, 3...Bd7	2391	41.3%	50.8%	1.50 MB
B52	Sicilian, Canal-Sokolsky attack, Bronstein gambit	208	40.4%	58.2%	0.13 MB
B52	Sicilian, Canal-Sokolsky attack, Sokolsky variation	1065	44.5%	55.0%	0.66 MB
B53	Sicilian, Chekhover variation	2001	41.0%	51.6%	1.28 MB
B53	Sicilian, Chekhover, Zaitsev variation	102	32.4%	59.3%	0.07 MB
B54	Sicilian	1276	36.4%	55.2%	0.83 MB
B54	Sicilian, Prins (Moscow) variation	770	38.3%	55.6%	0.51 MB
B55	Sicilian, Prins variation, Venice attack	99	41.4%	51.0%	0.06 MB
B56	Sicilian	2109	39.2%	53.0%	1.33 MB
B56	Sicilian, Venice attack	82	36.6%	59.8%	0.06 MB
B57	Sicilian, Magnus Smith trap	11	45.5%	40.9%	0.01 MB
B57	Sicilian, Sozin, Benko variation	1406	39.5%	51.6%	0.94 MB
B57	Sicilian, Sozin, not Scheveningen	299	40.5%	56.0%	0.20 MB
B58	Sicilian, Boleslavsky variation	484	37.2%	48.1%	0.32 MB
B58	Sicilian, Boleslavsky, Louma variation	54	35.2%	54.6%	0.04 MB
B58	Sicilian, classical	255	42.7%	48.8%	0.17 MB
B59	Sicilian, Boleslavsky variation, 7.Nb3	193	46.6%	52.8%	0.14 MB
B60	Sicilian, Richter-Rauzer	916	36.2%	58.7%	0.58 MB
B60	Sicilian, Richter-Rauzer, Bondarevsky variation	43	48.8%	64.0%	0.03 MB
B60	Sicilian, Richter-Rauzer, Larsen variation	179	30.2%	60.9%	0.12 MB
B61	Sicilian, Richter-Rauzer, Larsen variation, 7.Qd2	666	36.6%	61.9%	0.41 MB
B62	Sicilian, Richter-Rauzer, 6...e6	61	45.9%	59.0%	0.05 MB
B62	Sicilian, Richter-Rauzer, Keres variation	118	31.4%	48.7%	0.08 MB
B62	Sicilian, Richter-Rauzer, Margate (Alekhine) variation	102	39.2%	50.0%	0.07 MB
B62	Sicilian, Richter-Rauzer, Podvebrady variation	24	45.8%	35.4%	0.02 MB
B62	Sicilian, Richter-Rauzer, Richter attack	7	14.3%	50.0%	0.01 MB
B63	Sicilian, Richter-Rauzer, Rauzer attack	167	37.7%	57.2%	0.12 MB
B63	Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7	1306	38.4%	56.4%	0.79 MB
B64	Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f4	349	38.4%	57.6%	0.22 MB
B64	Sicilian, Richter-Rauzer, Rauzer attack, Geller variation	12	41.7%	62.5%	0.01 MB
B65	Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4	637	41.4%	55.6%	0.38 MB
B66	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6	5953	33.8%	51.7%	3.43 MB
B67	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7	3144	34.0%	55.6%	1.86 MB
B68	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7	153	33.3%	56.5%	0.10 MB
B69	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6	135	28.1%	58.5%	0.08 MB
B70	Sicilian, dragon variation	972	43.1%	52.1%	0.63 MB
B71	Sicilian, dragon, Levenfish variation	427	37.7%	53.0%	0.26 MB
B71	Sicilian, dragon, Levenfish; Flohr variation	48	41.7%	56.3%	0.03 MB
B72	Sicilian, dragon, 6.Be3	221	33.5%	50.7%	0.14 MB
B72	Sicilian, dragon, classical attack	136	41.2%	54.4%	0.10 MB
B72	Sicilian, dragon, classical, Amsterdam variation	57	28.1%	49.1%	0.04 MB
B72	Sicilian, dragon, classical, Grigoriev variation	46	43.5%	50.0%	0.03 MB
B72	Sicilian, dragon, classical, Nottingham variation	53	45.3%	52.8%	0.04 MB
B73	Sicilian, dragon, classical, 8.O-O	429	45.7%	52.7%	0.30 MB
B73	Sicilian, dragon, classical, Richter variation	170	48.2%	57.6%	0.12 MB
B73	Sicilian, dragon, classical, Zollner gambit	11	36.4%	45.5%	0.01 MB
B74	Sicilian, dragon, classical, 9.Nb3	509	49.1%	49.7%	0.35 MB
B74	Sicilian, dragon, classical, Alekhine variation	29	51.7%	63.8%	0.02 MB
B74	Sicilian, dragon, classical, Reti-Tartakower variation	101	45.5%	53.5%	0.07 MB
B74	Sicilian, dragon, classical, Spielmann variation	10	30.0%	55.0%	0.01 MB
B75	Sicilian, dragon, Yugoslav attack	480	33.1%	56.8%	0.29 MB
B76	Sicilian, dragon, Yugoslav attack, 7...O-O	376	36.2%	53.2%	0.24 MB
B76	Sicilian, dragon, Yugoslav attack, Rauser variation	1085	34.1%	63.3%	0.62 MB
B77	Sicilian, dragon, Yugoslav attack, 9...Bd7	265	38.5%	56.6%	0.15 MB
B77	Sicilian, dragon, Yugoslav attack, 9.Bc4	140	35.0%	54.6%	0.10 MB
B77	Sicilian, dragon, Yugoslav attack, Byrne variation	18	44.4%	66.7%	0.01 MB
B78	Sicilian, dragon, Yugoslav attack, 10.O-O-O	502	28.7%	56.2%	0.29 MB
B79	Sicilian, dragon, Yugoslav attack, 12.h4	16	25.0%	62.5%	0.01 MB
B80	Sicilian, Scheveningen variation	1408	31.9%	54.0%	0.87 MB
B80	Sicilian, Scheveningen, English variation	189	32.3%	53.7%	0.12 MB
B80	Sicilian, Scheveningen, Vitolins variation	56	44.6%	50.9%	0.04 MB
B80	Sicilian, Scheveningen, fianchetto variation	232	31.5%	51.5%	0.17 MB
B81	Sicilian, Scheveningen, Keres attack	2464	34.5%	60.1%	1.41 MB
B82	Sicilian, Scheveningen, 6.f4	610	36.2%	56.3%	0.39 MB
B82	Sicilian, Scheveningen, Tal variation	142	35.2%	64.1%	0.08 MB
B83	Sicilian, Scheveningen, 6.Be2	599	40.6%	53.0%	0.41 MB
B83	Sicilian, modern Scheveningen	534	42.5%	49.7%	0.37 MB
B83	Sicilian, modern Scheveningen, main line	576	45.0%	52.7%	0.38 MB
B83	Sicilian, modern Scheveningen, main line with Nb3	100	36.0%	55.0%	0.07 MB
B84	Sicilian, Scheveningen (Paulsen), classical variation	4019	39.4%	52.1%	2.50 MB
B84	Sicilian, Scheveningen, classical, Nd7 system	114	32.5%	50.4%	0.07 MB
B85	Sicilian, Scheveningen, classical	148	39.9%	50.3%	0.10 MB
B85	Sicilian, Scheveningen, classical main line	385	46.5%	56.2%	0.26 MB
B85	Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6	4	50.0%	50.0%	0.00 MB
B85	Sicilian, Scheveningen, classical, Maroczy system	26	34.6%	55.8%	0.02 MB
B86	Sicilian, Sozin attack	292	43.8%	53.4%	0.20 MB
B87	Sicilian, Sozin with ...a6 and ...b5	875	37.0%	49.7%	0.57 MB
B88	Sicilian, Sozin, Fischer variation	16	50.0%	50.0%	0.01 MB
B88	Sicilian, Sozin, Leonhardt variation	693	39.8%	55.0%	0.44 MB
B89	Sicilian, Sozin, 7.Be3	1122	38.0%	51.3%	0.70 MB
B89	Sicilian, Velimirovic attack	842	34.3%	51.8%	0.53 MB
B90	Sicilian, Najdorf	3689	36.7%	53.7%	2.19 MB
B90	Sicilian, Najdorf, Adams attack	1810	38.8%	53.3%	1.05 MB
B90	Sicilian, Najdorf, Byrne (English) attack	22174	35.9%	53.2%	12.61 MB
B90	Sicilian, Najdorf, Lipnitzky attack	1319	36.8%	50.6%	0.80 MB
B91	Sicilian, Najdorf, Zagreb (fianchetto) variation	1090	40.4%	54.3%	0.68 MB
B92	Sicilian, Najdorf, Opovcensky variation	5946	41.0%	53.4%	3.70 MB
B93	Sicilian, Najdorf, 6.f4	1896	39.5%	51.1%	1.14 MB
B94	Sicilian, Najdorf, 6.Bg5	1082	36.6%	53.1%	0.66 MB
B95	Sicilian, Najdorf, 6...e6	1384	38.3%	50.1%	0.83 MB
B96	Sicilian, Najdorf, 7.f4	1722	36.4%	51.7%	0.98 MB
B96	Sicilian, Najdorf, Polugayevsky variation	115	39.1%	55.2%	0.07 MB
B96	Sicilian, Najdorf, Polugayevsky, Simagin variation	40	20.0%	52.5%	0.03 MB
B97	Sicilian, Najdorf, 7...Qb6	1834	34.2%	46.9%	1.08 MB
B97	Sicilian, Najdorf, Poisoned pawn variation	1228	45.1%	49.7%	0.63 MB
B98	Sicilian, Najdorf variation	353	28.6%	57.6%	0.22 MB
B98	Sicilian, Najdorf, 7...Be7	135	33.3%	55.2%	0.09 MB
B98	Sicilian, Najdorf, Browne variation	53	28.3%	63.2%	0.04 MB
B98	Sicilian, Najdorf, Goteborg (Argentine) variation	23	47.8%	50.0%	0.02 MB
B99	Sicilian, Najdorf, 7...Be7 main line	663	30.2%	53.2%	0.36 MB
C00	French defence	1023	30.1%	56.0%	0.66 MB
C00	French defence, Steiner variation	949	42.3%	51.7%	0.62 MB
C00	French, Alapin variation	16	25.0%	56.3%	0.02 MB
C00	French, Chigorin variation	1278	31.8%	50.0%	0.81 MB
C00	French, King's Indian attack	2906	36.0%	51.5%	1.87 MB
C00	French, Labourdonnais variation	296	29.1%	44.6%	0.20 MB
C00	French, Pelikan variation	76	39.5%	51.3%	0.06 MB
C00	French, Reti (Spielmann) variation	252	35.7%	51.6%	0.16 MB
C00	French, Reversed Philidor formation	13	30.8%	61.5%	0.01 MB
C00	French, Schlechter variation	240	41.3%	52.3%	0.17 MB
C00	French, Steinitz attack	25	24.0%	44.0%	0.02 MB
C00	French, Two knights variation	357	35.6%	53.4%	0.23 MB
C00	French, Wing gambit	60	40.0%	58.3%	0.04 MB
C00	Lengfellner system	21	14.3%	64.3%	0.01 MB
C00	St. George defence	198	46.0%	58.3%	0.15 MB
C01	French, exchange variation	2012	43.5%	53.8%	1.28 MB
C01	French, exchange, Bogolyubov variation	8	37.5%	43.8%	0.01 MB
C01	French, exchange, Svenonius variation	87	36.8%	51.7%	0.06 MB
C02	French, advance variation	1641	31.4%	56.4%	1.02 MB
C02	French, advance, Euwe variation	1667	36.2%	55.5%	1.03 MB
C02	French, advance, Milner-Barry gambit	129	36.4%	48.4%	0.09 MB
C02	French, advance, Nimzovich system	143	29.4%	49.7%	0.10 MB
C02	French, advance, Nimzovich variation	14	28.6%	42.9%	0.01 MB
C02	French, advance, Paulsen attack	2092	33.4%	55.2%	1.28 MB
C02	French, advance, Steinitz variation	597	37.2%	57.6%	0.37 MB
C02	French, advance, Wade variation	413	39.2%	57.9%	0.27 MB
C03	French, Tarrasch	3088	43.1%	56.9%	1.92 MB
C03	French, Tarrasch, Guimard variation	150	30.7%	61.3%	0.10 MB
C03	French, Tarrasch, Haberditz variation	4	0.0%	75.0%	0.00 MB
C04	French, Tarrasch, Guimard main line	563	29.7%	60.1%	0.37 MB
C05	French, Tarrasch, Botvinnik variation	102	35.3%	65.7%	0.07 MB
C05	French, Tarrasch, closed variation	1462	30.9%	60.7%	0.88 MB
C06	French, Tarrasch, Leningrad variation	19	21.1%	84.2%	0.02 MB
C06	French, Tarrasch, closed variation, main line	1102	37.8%	59.7%	0.69 MB
C07	French, Tarrasch, Eliskases variation	162	47.5%	53.4%	0.11 MB
C07	French, Tarrasch, open variation	4387	47.0%	54.1%	2.70 MB
C08	French, Tarrasch, open, 4.ed ed	1582	50.8%	54.8%	1.00 MB
C09	French, Tarrasch, open variation, main line	1248	50.5%	56.7%	0.83 MB
C10	French, Fort Knox variation	721	40.2%	56.7%	0.46 MB
C10	French, Frere (Becker) variation	32	37.5%	62.5%	0.02 MB
C10	French, Marshall variation	2	50.0%	25.0%	0.00 MB
C10	French, Paulsen variation	1073	30.3%	60.3%	0.68 MB
C10	French, Rubinstein variation	2943	48.4%	55.8%	1.77 MB
C10	French, Rubinstein, Capablanca line	10	60.0%	50.0%	0.01 MB
C11	French defence	233	42.1%	55.4%	0.16 MB
C11	French, Burn variation	5821	45.0%	52.8%	3.40 MB
C11	French, Henneberger variation	15	33.3%	50.0%	0.01 MB
C11	French, Steinitz variation	1263	37.5%	54.2%	0.78 MB
C11	French, Steinitz, Boleslavsky variation	4205	35.8%	57.0%	2.33 MB
C11	French, Steinitz, Bradford attack	1	100.0%	50.0%	0.00 MB
C11	French, Steinitz, Gledhill attack	136	33.8%	52.9%	0.08 MB
C11	French, Swiss variation	60	45.0%	54.2%	0.04 MB
C12	French, MacCutcheon variation	165	41.8%	46.4%	0.12 MB
C12	French, MacCutcheon, Bernstein variation	31	25.8%	58.1%	0.02 MB
C12	French, MacCutcheon, Bogolyubov variation	1	100.0%	50.0%	0.00 MB
C12	French, MacCutcheon, Chigorin variation	89	41.6%	50.0%	0.06 MB
C12	French, MacCutcheon, Dr. Olland (Dutch) variation	127	40.9%	59.1%	0.09 MB
C12	French, MacCutcheon, Duras variation	4	25.0%	62.5%	0.00 MB
C12	French, MacCutcheon, Grigoriev variation	31	58.1%	54.8%	0.02 MB
C12	French, MacCutcheon, Janowski variation	155	38.1%	57.7%	0.09 MB
C12	French, MacCutcheon, Lasker variation	232	27.6%	60.3%	0.16 MB
C12	French, MacCutcheon, Lasker variation, 8...g6	424	35.8%	59.2%	0.26 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	369	30.6%	55.4%	0.22 MB
C13	French, Albin-Alekhine-Chatard attack, Breyer variation	98	37.8%	63.8%	0.07 MB
C13	French, Albin-Alekhine-Chatard attack, Maroczy variation	20	20.0%	65.0%	0.01 MB
C13	French, Albin-Alekhine-Chatard attack, Spielmann variation	68	38.2%	66.2%	0.04 MB
C13	French, Albin-Alekhine-Chatard attack, Teichmann variation	3	66.7%	66.7%	0.00 MB
C13	French, classical	29	44.8%	43.1%	0.02 MB
C13	French, classical, Anderssen variation	20	30.0%	40.0%	0.02 MB
C13	French, classical, Anderssen-Richter variation	16	25.0%	50.0%	0.01 MB
C13	French, classical, Frankfurt variation	8	37.5%	81.3%	0.01 MB
C13	French, classical, Tartakower variation	35	31.4%	55.7%	0.02 MB
C13	French, classical, Vistaneckis (Nimzovich) variation	13	7.7%	57.7%	0.01 MB
C14	French, classical variation	12	8.3%	37.5%	0.01 MB
C14	French, classical, Alapin variation	116	46.6%	53.4%	0.08 MB
C14	French, classical, Pollock variation	16	25.0%	43.8%	0.01 MB
C14	French, classical, Rubinstein variation	43	37.2%	60.5%	0.03 MB
C14	French, classical, Stahlberg variation	6	50.0%	58.3%	0.00 MB
C14	French, classical, Steinitz variation	857	36.1%	58.5%	0.50 MB
C14	French, classical, Tarrasch variation	20	20.0%	55.0%	0.01 MB
C15	French, Winawer (Nimzovich) variation	1188	40.3%	55.5%	0.76 MB
C15	French, Winawer, Alekhine (Maroczy) gambit	289	38.1%	56.7%	0.20 MB
C15	French, Winawer, Alekhine gambit	16	37.5%	56.3%	0.01 MB
C15	French, Winawer, Alekhine gambit, Kan variation	59	42.4%	50.0%	0.04 MB
C15	French, Winawer, Kondratiyev variation	13	38.5%	57.7%	0.01 MB
C15	French, Winawer, fingerslip variation	60	30.0%	45.0%	0.04 MB
C16	French, Winawer, Petrosian variation	274	31.8%	55.7%	0.18 MB
C16	French, Winawer, advance variation	1144	32.6%	57.0%	0.72 MB
C17	French, Winawer, advance variation	108	38.0%	58.8%	0.08 MB
C17	French, Winawer, advance, 5.a3	512	35.0%	63.6%	0.30 MB
C17	French, Winawer, advance, Bogolyubov variation	424	38.9%	52.0%	0.28 MB
C17	French, Winawer, advance, Rauzer variation	22	36.4%	63.6%	0.02 MB
C17	French, Winawer, advance, Russian variation	69	39.1%	51.4%	0.05 MB
C18	French, Winawer, advance variation	643	26.9%	62.8%	0.41 MB
C18	French, Winawer, classical variation	440	31.8%	58.6%	0.29 MB
C19	French, Winawer, advance, 6...Ne7	467	35.5%	60.2%	0.28 MB
C19	French, Winawer, advance, Smyslov variation	195	28.7%	63.1%	0.13 MB
C19	French, Winawer, advance, poisoned pawn variation	2885	33.8%	61.5%	1.78 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	846	32.5%	62.5%	0.44 MB
C19	French, Winawer, advance, positional main line	1180	30.9%	58.3%	0.75 MB
C20	Alapin's opening	56	30.4%	58.0%	0.04 MB
C20	KP, Indian opening	132	36.4%	46.2%	0.09 MB
C20	KP, King's head opening	2	50.0%	25.0%	0.00 MB
C20	KP, Lopez opening	20	40.0%	35.0%	0.01 MB
C20	KP, Mengarini's opening	22	40.9%	29.5%	0.02 MB
C20	KP, Napoleon's opening	34	41.2%	55.9%	0.03 MB
C20	KP, Patzer opening	130	26.9%	41.2%	0.09 MB
C20	King's pawn game	104	36.5%	51.9%	0.08 MB
C21	Centre game	353	40.2%	55.8%	0.24 MB
C21	Danish gambit	288	35.8%	49.5%	0.19 MB
C21	Danish gambit, Collijn defence	5	60.0%	50.0%	0.01 MB
C21	Danish gambit, Schlechter defence	15	13.3%	46.7%	0.01 MB
C21	Danish gambit, Soerensen defence	217	41.5%	51.2%	0.14 MB
C21	Halasz gambit	22	31.8%	43.2%	0.02 MB
C22	Centre game	457	37.2%	46.0%	0.29 MB
C22	Centre game, Berger variation	430	38.8%	52.9%	0.28 MB
C22	Centre game, Charousek variation	8	62.5%	56.3%	0.01 MB
C22	Centre game, Hall variation	29	37.9%	36.2%	0.02 MB
C22	Centre game, Paulsen attack	411	37.5%	53.3%	0.26 MB
C22	Centre game, l'Hermet variation	8	0.0%	37.5%	0.01 MB
C23	Bishop's opening	350	33.4%	53.6%	0.23 MB
C23	Bishop's opening, Calabrese counter-gambit, Jaenisch variation	3	0.0%	100.0%	0.00 MB
C23	Bishop's opening, Classical variation	111	40.5%	52.7%	0.08 MB
C23	Bishop's opening, Lewis gambit	4	0.0%	75.0%	0.00 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	219	49.3%	50.2%	0.15 MB
C23	Bishop's opening, Philidor variation	9	44.4%	55.6%	0.01 MB
C23	Bishop's opening, Wing gambit	6	50.0%	41.7%	0.00 MB
C24	Bishop's opening, Berlin defence	1824	40.6%	53.1%	1.17 MB
C24	Bishop's opening, Ponziani gambit	20	30.0%	30.0%	0.01 MB
C24	Bishop's opening, Urusov gambit	104	38.5%	37.5%	0.07 MB
C24	Bishop's opening, Urusov gambit, Panov variation	4	50.0%	50.0%	0.00 MB
C25	Vienna gambit	168	35.7%	54.8%	0.11 MB
C25	Vienna game	426	35.7%	57.5%	0.29 MB
C25	Vienna game, Max Lange defence	47	48.9%	50.0%	0.04 MB
C25	Vienna, Paulsen variation	208	32.2%	56.5%	0.13 MB
C25	Vienna, Pierce gambit	27	25.9%	53.7%	0.02 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	479	40.7%	54.4%	0.33 MB
C26	Vienna, Falkbeer variation	119	36.1%	57.6%	0.08 MB
C26	Vienna, Mengarini variation	27	59.3%	48.1%	0.02 MB
C26	Vienna, Paulsen-Mieses variation	853	39.9%	52.3%	0.54 MB
C27	Boden-Kieseritsky gambit	43	34.9%	33.7%	0.03 MB
C27	Boden-Kieseritsky gambit, Lichtenhein defence	21	28.6%	52.4%	0.02 MB
C27	Vienna game	227	39.2%	52.6%	0.16 MB
C27	Vienna, Alekhine variation	38	39.5%	48.7%	0.03 MB
C27	Vienna, `Frankenstein-Dracula' variation	17	5.9%	79.4%	0.01 MB
C28	Vienna game	646	40.9%	52.0%	0.43 MB
C29	Vienna gambit	649	36.5%	50.0%	0.39 MB
C29	Vienna gambit, Bardeleben variation	16	31.3%	53.1%	0.01 MB
C29	Vienna gambit, Breyer variation	206	33.5%	52.2%	0.13 MB
C29	Vienna gambit, Kaufmann variation	8	37.5%	68.8%	0.01 MB
C29	Vienna gambit, Paulsen attack	51	43.1%	52.9%	0.04 MB
C29	Vienna gambit, Steinitz variation	36	38.9%	47.2%	0.03 MB
C29	Vienna gambit, Wurzburger trap	2	0.0%	100.0%	0.00 MB
C30	KGD, 2...Nf6	68	29.4%	60.3%	0.05 MB
C30	KGD, Keene's defence	88	28.4%	64.2%	0.06 MB
C30	KGD, Mafia defence	8	37.5%	68.8%	0.01 MB
C30	KGD, Norwalde variation	22	13.6%	79.5%	0.01 MB
C30	KGD, classical counter-gambit	10	50.0%	55.0%	0.01 MB
C30	KGD, classical variation	264	28.8%	54.2%	0.17 MB
C30	KGD, classical, 4.c3	209	31.6%	59.3%	0.13 MB
C30	KGD, classical, Hanham variation	6	50.0%	58.3%	0.01 MB
C30	KGD, classical, Heath variation	13	46.2%	53.8%	0.01 MB
C30	KGD, classical, Marshall attack	10	80.0%	50.0%	0.01 MB
C30	KGD, classical, Reti variation	3	66.7%	33.3%	0.00 MB
C30	KGD, classical, Soldatenkov variation	7	28.6%	28.6%	0.01 MB
C30	KGD, classical, Svenonius variation	3	66.7%	66.7%	0.00 MB
C30	King's gambit	312	35.6%	57.5%	0.20 MB
C31	KGD, Falkbeer counter-gambit	305	34.1%	53.1%	0.19 MB
C31	KGD, Falkbeer, 3...e4	40	40.0%	50.0%	0.03 MB
C31	KGD, Falkbeer, 4.d3	56	50.0%	62.5%	0.04 MB
C31	KGD, Falkbeer, Milner-Barry variation	2	0.0%	50.0%	0.00 MB
C31	KGD, Falkbeer, Morphy gambit	21	23.8%	50.0%	0.01 MB
C31	KGD, Falkbeer, Nimzovich variation	23	43.5%	52.2%	0.02 MB
C31	KGD, Falkbeer, Rubinstein variation	29	10.3%	56.9%	0.02 MB
C31	KGD, Falkbeer, Tartakower variation	68	58.8%	48.5%	0.05 MB
C31	KGD, Nimzovich counter-gambit	310	37.1%	52.4%	0.20 MB
C32	KGD, Falkbeer, 5.de	60	35.0%	50.8%	0.04 MB
C32	KGD, Falkbeer, Charousek gambit	13	61.5%	53.8%	0.01 MB
C32	KGD, Falkbeer, Keres variation	35	40.0%	54.3%	0.02 MB
C32	KGD, Falkbeer, Reti variation	22	31.8%	52.3%	0.02 MB
C32	KGD, Falkbeer, main line, 7...Bf5	11	27.3%	68.2%	0.01 MB
C33	KGA, Breyer gambit	3	33.3%	50.0%	0.00 MB
C33	KGA, Carrera (Basman) gambit	8	25.0%	50.0%	0.01 MB
C33	KGA, Keres (Mason-Steinitz) gambit	61	41.0%	45.1%	0.04 MB
C33	KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit	13	15.4%	53.8%	0.01 MB
C33	KGA, Villemson (Steinitz) gambit	16	31.3%	53.1%	0.01 MB
C33	KGA, bishop's gambit	369	36.0%	50.3%	0.22 MB
C33	KGA, bishop's gambit, Anderssen variation	6	33.3%	50.0%	0.01 MB
C33	KGA, bishop's gambit, Bledow variation	180	27.2%	41.9%	0.11 MB
C33	KGA, bishop's gambit, Boden defence	8	50.0%	50.0%	0.01 MB
C33	KGA, bishop's gambit, Bogolyubov variation	84	39.3%	50.6%	0.06 MB
C33	KGA, bishop's gambit, Bryan counter-gambit	2	0.0%	0.0%	0.00 MB
C33	KGA, bishop's gambit, Cozio (Morphy) defence	36	25.0%	34.7%	0.02 MB
C33	KGA, bishop's gambit, Gifford variation	3	33.3%	50.0%	0.00 MB
C33	KGA, bishop's gambit, Jaenisch variation	145	40.7%	47.9%	0.10 MB
C33	KGA, bishop's gambit, Lopez-Gianutio counter-gambit	10	20.0%	50.0%	0.01 MB
C33	KGA, bishop's gambit, Maurian defence	45	15.6%	41.1%	0.03 MB
C33	KGA, bishop's gambit, McDonnell attack	1	0.0%	100.0%	0.00 MB
C33	KGA, bishop's gambit, Morphy variation	60	28.3%	59.2%	0.04 MB
C33	KGA, bishop's gambit, Paulsen attack	19	36.8%	44.7%	0.02 MB
C33	KGA, bishop's gambit, Ruy Lopez defence	42	42.9%	54.8%	0.03 MB
C33	KGA, bishop's gambit, Steinitz defence	103	28.2%	50.0%	0.07 MB
C33	KGA, bishop's gambit, classical defence	6	0.0%	33.3%	0.00 MB
C33	King's gambit accepted	3	33.3%	16.7%	0.00 MB
C34	KGA, Becker defence	100	31.0%	50.5%	0.06 MB
C34	KGA, Bonsch-Osmolovsky variation	206	29.6%	53.6%	0.13 MB
C34	KGA, Fischer defence	321	32.4%	47.4%	0.20 MB
C34	KGA, Gianutio counter-gambit	2	100.0%	50.0%	0.00 MB
C34	KGA, Schallop defence	228	29.4%	53.7%	0.14 MB
C34	King's knight's gambit	45	26.7%	48.9%	0.03 MB
C35	KGA, Cunningham defence	274	28.5%	51.5%	0.17 MB
C35	KGA, Cunningham, Euwe defence	136	25.7%	46.7%	0.09 MB
C36	KGA, Abbazia defence (classical defence, modern defence[!])	138	41.3%	58.3%	0.09 MB
C36	KGA, Abbazia defence, modern variation	756	39.8%	47.8%	0.47 MB
C37	KGA, Blachly gambit	32	34.4%	32.8%	0.03 MB
C37	KGA, Cochrane gambit	5	20.0%	30.0%	0.01 MB
C37	KGA, King's knight's gambit	35	60.0%	52.9%	0.02 MB
C37	KGA, Muzio gambit	11	36.4%	36.4%	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	45	37.8%	36.7%	0.03 MB
C37	KGA, Rosentreter gambit	36	36.1%	43.1%	0.02 MB
C37	KGA, Salvio gambit	10	20.0%	60.0%	0.01 MB
C37	KGA, Salvio gambit, Anderssen counter-attack	5	0.0%	60.0%	0.00 MB
C37	KGA, Silberschmidt gambit	4	25.0%	37.5%	0.00 MB
C38	KGA, Hanstein gambit	12	25.0%	62.5%	0.01 MB
C38	KGA, Philidor gambit	25	20.0%	34.0%	0.02 MB
C38	KGA, Philidor gambit, Schultz variation	10	60.0%	30.0%	0.01 MB
C38	King's knight's gambit	52	36.5%	24.0%	0.03 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	84	34.5%	44.6%	0.05 MB
C39	KGA, Kieseritsky, Berlin defence, 6.Bc4	69	31.9%	43.5%	0.04 MB
C39	KGA, Kieseritsky, Brentano (Campbell) defence	3	33.3%	50.0%	0.00 MB
C39	KGA, Kieseritsky, Brentano defence	3	33.3%	50.0%	0.00 MB
C39	KGA, Kieseritsky, Brentano defence, Caro variation	3	100.0%	50.0%	0.00 MB
C39	KGA, Kieseritsky, Kolisch defence	147	44.2%	47.3%	0.10 MB
C39	KGA, Kieseritsky, Neumann defence	25	40.0%	60.0%	0.02 MB
C39	KGA, Kieseritsky, Paulsen defence	8	25.0%	37.5%	0.01 MB
C39	KGA, Kieseritsky, Rice gambit	19	21.1%	26.3%	0.01 MB
C39	KGA, Kieseritsky, Salvio (Rosenthal) defence	70	44.3%	40.7%	0.05 MB
C39	KGA, Kieseritsky, long whip (Stockwhip, classical) defence	18	33.3%	50.0%	0.01 MB
C39	King's knight's gambit	13	23.1%	50.0%	0.01 MB
C40	Greco defence	12	25.0%	45.8%	0.01 MB
C40	Gunderam defence	127	32.3%	64.2%	0.09 MB
C40	King's knight opening	2	0.0%	50.0%	0.00 MB
C40	Latvian counter-gambit	363	29.8%	58.4%	0.23 MB
C40	Latvian gambit, 3.Bc4	15	60.0%	56.7%	0.01 MB
C40	Latvian, Behting variation	2	100.0%	50.0%	0.00 MB
C40	Latvian, Fraser defence	47	38.3%	59.6%	0.03 MB
C40	Latvian, Nimzovich variation	2	0.0%	50.0%	0.00 MB
C40	Latvian, Polerio variation	24	29.2%	43.8%	0.02 MB
C40	QP counter-gambit (elephant gambit)	32	50.0%	65.6%	0.03 MB
C40	QP counter-gambit, Maroczy gambit	5	40.0%	80.0%	0.01 MB
C41	Philidor's defence	481	35.1%	59.4%	0.32 MB
C41	Philidor, Boden variation	8	50.0%	50.0%	0.01 MB
C41	Philidor, Hanham variation	57	33.3%	62.3%	0.05 MB
C41	Philidor, Hanham, Delmar variation	14	28.6%	42.9%	0.01 MB
C41	Philidor, Hanham, Kmoch variation	1	0.0%	100.0%	0.00 MB
C41	Philidor, Hanham, Krause variation	18	50.0%	47.2%	0.02 MB
C41	Philidor, Hanham, Schlechter variation	35	51.4%	65.7%	0.03 MB
C41	Philidor, Hanham, Steiner variation	24	37.5%	64.6%	0.02 MB
C41	Philidor, Improved Hanham variation	1393	39.0%	57.5%	0.90 MB
C41	Philidor, Larsen variation	66	25.8%	65.9%	0.05 MB
C41	Philidor, Lopez counter-gambit	3	0.0%	66.7%	0.00 MB
C41	Philidor, Nimzovich (Jaenisch) variation	27	33.3%	50.0%	0.02 MB
C41	Philidor, Nimzovich variation	66	42.4%	59.1%	0.05 MB
C41	Philidor, Nimzovich, Klein variation	13	53.8%	57.7%	0.01 MB
C41	Philidor, Nimzovich, Larobok variation	84	47.6%	36.9%	0.05 MB
C41	Philidor, Nimzovich, Locock variation	4	50.0%	50.0%	0.00 MB
C41	Philidor, Nimzovich, Rellstab variation	46	37.0%	66.3%	0.03 MB
C41	Philidor, Nimzovich, Sokolsky variation	14	78.6%	60.7%	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	24	16.7%	66.7%	0.02 MB
C41	Philidor, Philidor counter-gambit, Zukertort variation	10	50.0%	65.0%	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	1052	37.5%	59.2%	0.66 MB
C42	Petrov three knights game	397	38.8%	58.7%	0.27 MB
C42	Petrov's defence	398	41.5%	52.4%	0.27 MB
C42	Petrov, Cochrane gambit	83	20.5%	35.5%	0.05 MB
C42	Petrov, Cozio (Lasker) attack	570	49.6%	52.0%	0.39 MB
C42	Petrov, Damiano variation	32	46.9%	54.7%	0.02 MB
C42	Petrov, French attack	9	66.7%	66.7%	0.01 MB
C42	Petrov, Italian variation	65	27.7%	49.2%	0.05 MB
C42	Petrov, Kaufmann attack	305	46.9%	52.6%	0.20 MB
C42	Petrov, Nimzovich attack	1588	45.1%	55.0%	0.95 MB
C42	Petrov, Paulsen attack	223	42.6%	50.4%	0.15 MB
C42	Petrov, classical attack	1096	48.0%	57.4%	0.68 MB
C42	Petrov, classical attack, Berger variation	19	68.4%	55.3%	0.01 MB
C42	Petrov, classical attack, Chigorin variation	671	41.7%	57.4%	0.42 MB
C42	Petrov, classical attack, Jaenisch variation	1816	46.2%	58.5%	1.11 MB
C42	Petrov, classical attack, Krause variation	9	44.4%	33.3%	0.01 MB
C42	Petrov, classical attack, Marshall variation	1180	43.8%	57.8%	0.73 MB
C42	Petrov, classical attack, Mason variation	160	43.8%	57.5%	0.11 MB
C42	Petrov, classical attack, Tarrasch variation	2	50.0%	75.0%	0.00 MB
C42	Petrov, classical attack, close variation	200	44.0%	59.0%	0.14 MB
C43	Petrov, Urusov gambit	12	16.7%	66.7%	0.01 MB
C43	Petrov, modern (Steinitz) attack	56	44.6%	54.5%	0.05 MB
C43	Petrov, modern attack, Bardeleben variation	8	37.5%	56.3%	0.01 MB
C43	Petrov, modern attack, Steinitz variation	2	50.0%	75.0%	0.00 MB
C43	Petrov, modern attack, Symmetrical variation	3159	44.6%	52.9%	1.84 MB
C43	Petrov, modern attack, Trifunovic variation	65	46.2%	49.2%	0.05 MB
C43	Petrov, modern attack, main line	238	47.1%	58.0%	0.16 MB
C44	Dresden opening	18	27.8%	41.7%	0.01 MB
C44	Inverted Hanham	44	29.5%	46.6%	0.04 MB
C44	Inverted Hungarian	40	42.5%	53.8%	0.03 MB
C44	King's pawn game	130	30.8%	50.0%	0.09 MB
C44	Konstantinopolsky opening	49	36.7%	61.2%	0.04 MB
C44	Ponziani counter-gambit	132	40.2%	60.2%	0.09 MB
C44	Ponziani counter-gambit, Cordel variation	1	0.0%	0.0%	0.00 MB
C44	Ponziani opening	367	31.3%	45.9%	0.23 MB
C44	Ponziani, Caro variation	268	44.4%	49.4%	0.18 MB
C44	Ponziani, Fraser defence	69	37.7%	65.2%	0.04 MB
C44	Ponziani, Jaenisch counter-attack	2430	44.6%	52.1%	1.50 MB
C44	Ponziani, Leonhardt variation	138	34.8%	50.7%	0.09 MB
C44	Ponziani, Reti variation	44	34.1%	60.2%	0.03 MB
C44	Ponziani, Romanishin variation	24	33.3%	50.0%	0.02 MB
C44	Ponziani, Steinitz variation	527	41.7%	46.1%	0.33 MB
C44	Scotch gambit	137	40.9%	56.9%	0.09 MB
C44	Scotch gambit, Anderssen (Paulsen, Suhle) counter-attack	6	66.7%	33.3%	0.00 MB
C44	Scotch gambit, Benima defence	61	37.7%	56.6%	0.05 MB
C44	Scotch gambit, Cochrane-Shumov defence	3	66.7%	66.7%	0.00 MB
C44	Scotch gambit, Dubois-Reti defence	392	42.1%	53.4%	0.25 MB
C44	Scotch gambit, Hanneken variation	1	0.0%	100.0%	0.00 MB
C44	Scotch opening	14	42.9%	42.9%	0.01 MB
C44	Scotch, Goering gambit	244	42.6%	55.3%	0.16 MB
C44	Scotch, Goering gambit, Bardeleben variation	15	40.0%	46.7%	0.01 MB
C44	Scotch, Lolli variation	22	31.8%	56.8%	0.02 MB
C44	Scotch, Relfsson gambit ('MacLopez')	10	40.0%	50.0%	0.01 MB
C44	Tayler opening	4	25.0%	37.5%	0.00 MB
C45	Scotch game	2985	42.6%	54.5%	1.84 MB
C45	Scotch, Blackburne attack	30	43.3%	51.7%	0.02 MB
C45	Scotch, Blumenfeld attack	16	37.5%	31.3%	0.01 MB
C45	Scotch, Ghulam Kassim variation	8	75.0%	50.0%	0.01 MB
C45	Scotch, Horwitz attack	40	32.5%	56.3%	0.03 MB
C45	Scotch, Meitner variation	39	56.4%	53.8%	0.03 MB
C45	Scotch, Mieses variation	1715	42.0%	53.8%	0.97 MB
C45	Scotch, Paulsen attack	16	37.5%	50.0%	0.01 MB
C45	Scotch, Potter variation	690	39.9%	52.5%	0.42 MB
C45	Scotch, Pulling counter-attack	5	20.0%	70.0%	0.00 MB
C45	Scotch, Romanishin variation	79	39.2%	56.3%	0.06 MB
C45	Scotch, Schmidt variation	839	50.1%	47.9%	0.53 MB
C45	Scotch, Steinitz variation	46	32.6%	57.6%	0.03 MB
C45	Scotch, Tartakower variation	22	27.3%	40.9%	0.02 MB
C46	Four knights game	931	41.4%	50.2%	0.60 MB
C46	Four knights, Gunsberg variation	149	42.3%	49.3%	0.11 MB
C46	Four knights, Italian variation	238	43.7%	47.5%	0.18 MB
C46	Four knights, Schultze-Mueller gambit	3	0.0%	33.3%	0.00 MB
C46	Three knights game	371	31.5%	60.0%	0.23 MB
C46	Three knights, Schlechter variation	46	39.1%	54.3%	0.03 MB
C46	Three knights, Steinitz variation	242	27.7%	56.4%	0.15 MB
C46	Three knights, Steinitz, Rosenthal variation	29	48.3%	48.3%	0.02 MB
C46	Three knights, Winawer defence (Gothic defence)	1	0.0%	100.0%	0.00 MB
C47	Four knights, Belgrade gambit	141	44.0%	52.5%	0.10 MB
C47	Four knights, Scotch variation	28	32.1%	51.8%	0.02 MB
C47	Four knights, Scotch, 4...exd4	559	51.9%	53.5%	0.37 MB
C47	Four knights, Scotch, Krause variation	60	40.0%	63.3%	0.04 MB
C48	Four knights, Bardeleben variation	8	50.0%	50.0%	0.01 MB
C48	Four knights, Marshall variation	10	20.0%	50.0%	0.01 MB
C48	Four knights, Ranken variation	33	45.5%	62.1%	0.02 MB
C48	Four knights, Rubinstein counter-gambit	1339	41.1%	52.0%	0.86 MB
C48	Four knights, Rubinstein counter-gambit, 5.Be2	10	40.0%	40.0%	0.01 MB
C48	Four knights, Rubinstein counter-gambit, Bogolyubov variation	19	52.6%	47.4%	0.02 MB
C48	Four knights, Rubinstein counter-gambit, Henneberger variation	85	47.1%	49.4%	0.07 MB
C48	Four knights, Rubinstein counter-gambit, exchange variation	203	66.5%	52.5%	0.13 MB
C48	Four knights, Spanish variation	333	48.6%	55.3%	0.23 MB
C48	Four knights, Spanish, classical defence	245	45.3%	50.4%	0.17 MB
C48	Four knights, Spielmann variation	8	62.5%	43.8%	0.01 MB
C49	Four knights	92	51.1%	47.3%	0.07 MB
C49	Four knights, Gunsberg counter-attack	5	60.0%	50.0%	0.00 MB
C49	Four knights, Janowski variation	19	36.8%	65.8%	0.02 MB
C49	Four knights, Nimzovich (Paulsen) variation	86	53.5%	58.1%	0.07 MB
C49	Four knights, Svenonius variation	5	60.0%	50.0%	0.00 MB
C49	Four knights, double Ruy Lopez	260	42.7%	56.3%	0.18 MB
C49	Four knights, symmetrical variation	217	41.0%	55.5%	0.15 MB
C49	Four knights, symmetrical, Blake variation	4	75.0%	62.5%	0.00 MB
C49	Four knights, symmetrical, Capablanca variation	24	54.2%	60.4%	0.02 MB
C49	Four knights, symmetrical, Maroczy system	83	45.8%	54.2%	0.06 MB
C49	Four knights, symmetrical, Metger unpin	361	37.1%	51.0%	0.26 MB
C49	Four knights, symmetrical, Pillsbury variation	68	45.6%	44.9%	0.05 MB
C49	Four knights, symmetrical, Tarrasch variation	16	50.0%	50.0%	0.01 MB
C50	Giuoco Pianissimo	2945	39.2%	53.8%	1.84 MB
C50	Giuoco Pianissimo, Canal variation	218	43.1%	52.3%	0.15 MB
C50	Giuoco Pianissimo, Italian four knights variation	551	37.6%	51.8%	0.37 MB
C50	Giuoco Piano	1949	40.4%	53.0%	1.20 MB
C50	Giuoco Piano, four knights variation	68	36.8%	53.7%	0.05 MB
C50	Hungarian defence	230	40.9%	50.0%	0.16 MB
C50	King's pawn game	279	35.5%	60.4%	0.19 MB
C50	Rousseau gambit	3	33.3%	50.0%	0.00 MB
C51	Evans counter-gambit	36	30.6%	56.9%	0.03 MB
C51	Evans gambit	15	40.0%	66.7%	0.01 MB
C51	Evans gambit declined	62	38.7%	53.2%	0.04 MB
C51	Evans gambit declined, 5.a4	204	41.2%	46.6%	0.13 MB
C51	Evans gambit declined, Lange variation	2	0.0%	0.0%	0.00 MB
C51	Evans gambit declined, Showalter variation	48	47.9%	55.2%	0.04 MB
C51	Evans gambit, 5...Be7	76	36.8%	60.5%	0.06 MB
C51	Evans gambit, Cordel variation	106	47.2%	46.2%	0.07 MB
C51	Evans gambit, Fraser attack	12	33.3%	58.3%	0.01 MB
C51	Evans gambit, Goering attack	3	33.3%	83.3%	0.00 MB
C51	Evans gambit, Morphy attack	29	41.4%	55.2%	0.02 MB
C51	Evans gambit, Paulsen variation	20	25.0%	67.5%	0.01 MB
C51	Evans gambit, Stone-Ware variation	266	32.3%	54.1%	0.17 MB
C51	Evans gambit, Ulvestad variation	2	0.0%	100.0%	0.00 MB
C51	Evans gambit, normal variation	44	25.0%	46.6%	0.03 MB
C52	Evans gambit	408	39.2%	48.5%	0.24 MB
C52	Evans gambit, Alapin-Steinitz variation	5	60.0%	30.0%	0.01 MB
C52	Evans gambit, Lasker defence	14	35.7%	25.0%	0.01 MB
C52	Evans gambit, Leonhardt variation	6	33.3%	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	4	25.0%	62.5%	0.00 MB
C52	Evans gambit, Tartakower attack	85	45.9%	46.5%	0.06 MB
C52	Evans gambit, Waller attack	8	25.0%	87.5%	0.01 MB
C52	Evans gambit, compromised defence	48	22.9%	71.9%	0.03 MB
C52	Evans gambit, compromised defence, Paulsen variation	17	23.5%	58.8%	0.01 MB
C52	Evans gambit, compromised defence, Potter variation	1	0.0%	100.0%	0.00 MB
C53	Giuoco Piano	3216	38.8%	52.1%	1.98 MB
C53	Giuoco Piano, Anderssen variation	40	60.0%	45.0%	0.03 MB
C53	Giuoco Piano, Bird's attack	199	32.7%	51.5%	0.13 MB
C53	Giuoco Piano, Eisinger variation	2	0.0%	100.0%	0.00 MB
C53	Giuoco Piano, LaBourdonnais variation	61	45.9%	59.0%	0.04 MB
C53	Giuoco Piano, Mestel variation	12	16.7%	66.7%	0.01 MB
C53	Giuoco Piano, centre-holding variation	86	41.9%	61.6%	0.06 MB
C53	Giuoco Piano, close variation	136	37.5%	58.5%	0.09 MB
C54	Giuoco Piano	231	51.9%	51.1%	0.15 MB
C54	Giuoco Piano, Moeller (Therkatz) attack	39	48.7%	47.4%	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	128	39.1%	50.8%	0.09 MB
C55	Two knights defence (Modern bishop's opening)	1825	38.7%	56.0%	1.18 MB
C55	Two knights defence, Keidanz variation	2	100.0%	50.0%	0.00 MB
C55	Two knights defence, Perreux variation	38	55.3%	53.9%	0.03 MB
C55	Two knights, Max Lange attack	42	33.3%	59.5%	0.02 MB
C55	Two knights, Max Lange attack, Krause variation	4	50.0%	75.0%	0.00 MB
C55	Two knights, Max Lange attack, Loman defence	2	0.0%	50.0%	0.00 MB
C55	Two knights, Max Lange attack, Marshall variation	9	22.2%	66.7%	0.01 MB
C55	Two knights, Max Lange attack, Rubinstein variation	1	100.0%	50.0%	0.00 MB
C55	Two knights, Max Lange attack, Schlechter variation	29	55.2%	51.7%	0.02 MB
C55	Two knights, Max Lange attack, Steinitz variation	16	37.5%	68.8%	0.01 MB
C56	Two knights defence	155	47.7%	49.0%	0.10 MB
C56	Two knights defence, Canal variation	5	40.0%	40.0%	0.00 MB
C57	Two knights defence	20	25.0%	42.5%	0.01 MB
C57	Two knights defence, Fegatello attack	89	23.6%	52.2%	0.05 MB
C57	Two knights defence, Fegatello attack, Leonhardt variation	9	22.2%	55.6%	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	101	40.6%	50.0%	0.07 MB
C57	Two knights defence, Fritz, Gruber variation	16	37.5%	43.8%	0.01 MB
C57	Two knights defence, Lolli attack	20	35.0%	57.5%	0.01 MB
C57	Two knights defence, Pincus variation	10	40.0%	30.0%	0.01 MB
C57	Two knights defence, Ulvestad variation	112	50.9%	46.9%	0.08 MB
C57	Two knights defence, Wilkes Barre (Traxler) variation	127	33.9%	57.9%	0.08 MB
C58	Two knights defence	340	35.9%	56.8%	0.22 MB
C58	Two knights defence, Blackburne variation	3	0.0%	66.7%	0.00 MB
C58	Two knights defence, Bogolyubov variation	83	30.1%	44.0%	0.06 MB
C58	Two knights defence, Colman variation	84	33.3%	46.4%	0.05 MB
C58	Two knights defence, Kieseritsky variation	44	29.5%	58.0%	0.03 MB
C58	Two knights defence, Paoli variation	9	33.3%	72.2%	0.01 MB
C58	Two knights defence, Yankovich variation	18	27.8%	25.0%	0.01 MB
C59	Two knights defence	207	38.2%	48.6%	0.13 MB
C59	Two knights defence, Goering variation	8	12.5%	31.3%	0.01 MB
C59	Two knights defence, Steinitz variation	398	31.4%	48.4%	0.24 MB
C60	Ruy Lopez (Spanish opening)	80	31.3%	55.6%	0.06 MB
C60	Ruy Lopez, Cozio defence	533	39.0%	52.9%	0.34 MB
C60	Ruy Lopez, Cozio defence, Paulsen variation	70	40.0%	65.7%	0.05 MB
C60	Ruy Lopez, Lucena defence	12	41.7%	45.8%	0.01 MB
C60	Ruy Lopez, Nuernberg variation	4	0.0%	50.0%	0.00 MB
C60	Ruy Lopez, Vinogradov variation	2	50.0%	75.0%	0.00 MB
C60	Ruy Lopez, fianchetto (Smyslov/Barnes) defence	592	40.7%	53.6%	0.38 MB
C61	Ruy Lopez, Bird's defence	605	37.2%	56.0%	0.38 MB
C61	Ruy Lopez, Bird's defence, Paulsen variation	8	50.0%	62.5%	0.01 MB
C62	Ruy Lopez, old Steinitz defence	481	37.2%	55.0%	0.33 MB
C62	Ruy Lopez, old Steinitz defence, Nimzovich attack	5	20.0%	50.0%	0.01 MB
C62	Ruy Lopez, old Steinitz defence, semi-Duras variation	22	45.5%	54.5%	0.02 MB
C63	Ruy Lopez, Schliemann defence	534	42.5%	57.2%	0.35 MB
C63	Ruy Lopez, Schliemann defence, Berger variation	516	44.6%	56.8%	0.32 MB
C64	Ruy Lopez, Cordel gambit	97	40.2%	56.2%	0.07 MB
C64	Ruy Lopez, classical (Cordel) defence	352	41.2%	53.0%	0.24 MB
C64	Ruy Lopez, classical defence, 4.c3	379	42.0%	56.9%	0.25 MB
C64	Ruy Lopez, classical defence, Benelux variation	467	39.6%	55.6%	0.30 MB
C64	Ruy Lopez, classical defence, Boden variation	6	33.3%	66.7%	0.00 MB
C64	Ruy Lopez, classical defence, Charousek variation	10	30.0%	65.0%	0.01 MB
C64	Ruy Lopez, classical defence, Zaitsev variation	2	100.0%	50.0%	0.00 MB
C65	Ruy Lopez, Berlin defence	5244	39.7%	52.0%	3.27 MB
C65	Ruy Lopez, Berlin defence, 4.O-O	246	41.1%	58.7%	0.17 MB
C65	Ruy Lopez, Berlin defence, Anderssen variation	2	50.0%	75.0%	0.00 MB
C65	Ruy Lopez, Berlin defence, Beverwijk variation	626	38.7%	57.3%	0.41 MB
C65	Ruy Lopez, Berlin defence, Duras variation	29	37.9%	46.6%	0.02 MB
C65	Ruy Lopez, Berlin defence, Kaufmann variation	40	47.5%	53.8%	0.03 MB
C65	Ruy Lopez, Berlin defence, Mortimer variation	27	51.9%	44.4%	0.02 MB
C65	Ruy Lopez, Berlin defence, Nyholm attack	115	53.9%	53.0%	0.08 MB
C66	Ruy Lopez, Berlin defence, 4.O-O, d6	175	42.9%	59.1%	0.12 MB
C66	Ruy Lopez, Berlin defence, hedgehog variation	130	50.0%	58.1%	0.09 MB
C66	Ruy Lopez, closed Berlin defence, Bernstein variation	24	45.8%	60.4%	0.02 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	70	45.7%	57.1%	0.06 MB
C66	Ruy Lopez, closed Berlin defence, Wolf variation	61	57.4%	56.6%	0.04 MB
C67	Ruy Lopez, Berlin defence, Cordel variation	83	36.1%	61.4%	0.06 MB
C67	Ruy Lopez, Berlin defence, Minckwitz variation	49	46.9%	60.2%	0.04 MB
C67	Ruy Lopez, Berlin defence, Pillsbury variation	1	0.0%	0.0%	0.00 MB
C67	Ruy Lopez, Berlin defence, Rosenthal variation	50	40.0%	60.0%	0.04 MB
C67	Ruy Lopez, Berlin defence, Trifunovic variation	5	20.0%	90.0%	0.00 MB
C67	Ruy Lopez, Berlin defence, Winawer attack	31	35.5%	69.4%	0.02 MB
C67	Ruy Lopez, Berlin defence, Zukertort variation	22	54.5%	59.1%	0.02 MB
C67	Ruy Lopez, Berlin defence, open variation	4821	47.7%	53.6%	2.85 MB
C67	Ruy Lopez, open Berlin defence, 5...Be7	105	41.0%	51.9%	0.07 MB
C67	Ruy Lopez, open Berlin defence, Showalter variation	24	29.2%	47.9%	0.02 MB
C67	Ruy Lopez, open Berlin defence, l'Hermet variation	133	59.4%	50.0%	0.09 MB
C68	Ruy Lopez, exchange variation	116	35.3%	53.9%	0.08 MB
C68	Ruy Lopez, exchange, Alekhine variation	28	42.9%	46.4%	0.02 MB
C68	Ruy Lopez, exchange, Keres variation	175	46.3%	50.6%	0.12 MB
C68	Ruy Lopez, exchange, Romanovsky variation	48	33.3%	50.0%	0.04 MB
C69	Ruy Lopez, exchange variation, 5.O-O	1161	41.8%	53.0%	0.72 MB
C69	Ruy Lopez, exchange variation, Alapin gambit	376	43.4%	51.7%	0.23 MB
C69	Ruy Lopez, exchange, Bronstein variation	834	38.2%	50.3%	0.52 MB
C69	Ruy Lopez, exchange, Gligoric variation	899	44.0%	54.6%	0.55 MB
C70	Ruy Lopez	184	38.0%	53.8%	0.13 MB
C70	Ruy Lopez, Alapin's defence deferred	15	33.3%	76.7%	0.01 MB
C70	Ruy Lopez, Caro variation	108	42.6%	58.3%	0.08 MB
C70	Ruy Lopez, Classical defence deferred	123	39.8%	58.1%	0.09 MB
C70	Ruy Lopez, Cozio defence deferred	530	41.3%	54.2%	0.35 MB
C70	Ruy Lopez, Graz variation	12	66.7%	58.3%	0.01 MB
C70	Ruy Lopez, Schliemann defence deferred	39	38.5%	60.3%	0.03 MB
C70	Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation	178	38.8%	62.6%	0.12 MB
C70	Ruy Lopez, fianchetto defence deferred	110	49.1%	56.4%	0.08 MB
C71	Ruy Lopez, modern Steinitz defence	187	42.2%	55.3%	0.14 MB
C71	Ruy Lopez, modern Steinitz defence, Duras (Keres) variation	243	39.1%	56.2%	0.17 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	905	41.4%	58.0%	0.59 MB
C73	Ruy Lopez, modern Steinitz defence, Alapin variation	312	33.0%	49.8%	0.20 MB
C73	Ruy Lopez, modern Steinitz defence, Richter variation	265	47.9%	50.4%	0.18 MB
C74	Ruy Lopez, Siesta, Kopayev variation	194	32.5%	55.4%	0.12 MB
C74	Ruy Lopez, modern Steinitz defence	190	31.1%	61.8%	0.14 MB
C74	Ruy Lopez, modern Steinitz defence, siesta variation	126	35.7%	50.4%	0.08 MB
C75	Ruy Lopez, modern Steinitz defence	250	43.2%	53.2%	0.17 MB
C75	Ruy Lopez, modern Steinitz defence, Rubinstein variation	189	29.6%	59.3%	0.14 MB
C76	Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation	566	36.7%	53.7%	0.37 MB
C77	Ruy Lopez, Anderssen variation	1809	43.3%	51.9%	1.15 MB
C77	Ruy Lopez, Morphy defence	295	40.7%	55.6%	0.21 MB
C77	Ruy Lopez, Morphy defence, Duras variation	78	38.5%	59.0%	0.06 MB
C77	Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)	106	46.2%	43.9%	0.08 MB
C77	Ruy Lopez, Wormald (Alapin) attack	560	42.7%	53.3%	0.38 MB
C77	Ruy Lopez, Wormald attack, Gruenfeld variation	4	50.0%	75.0%	0.00 MB
C77	Ruy Lopez, four knights (Tarrasch) variation	221	43.4%	54.3%	0.16 MB
C78	Ruy Lopez, ...b5 & ...d6	63	34.9%	58.7%	0.05 MB
C78	Ruy Lopez, 5.O-O	1366	46.9%	54.2%	0.85 MB
C78	Ruy Lopez, Archangelsk (counterthrust) variation	1900	42.6%	55.2%	1.21 MB
C78	Ruy Lopez, Moeller defence	723	42.6%	54.4%	0.47 MB
C78	Ruy Lopez, Rabinovich variation	1	0.0%	0.0%	0.00 MB
C78	Ruy Lopez, Wing attack	17	47.1%	52.9%	0.02 MB
C79	Ruy Lopez, Steinitz defence deferred (Russian defence)	471	39.1%	54.8%	0.32 MB
C79	Ruy Lopez, Steinitz defence deferred, Lipnitsky variation	14	71.4%	57.1%	0.01 MB
C79	Ruy Lopez, Steinitz defence deferred, Rubinstein variation	33	51.5%	56.1%	0.02 MB
C80	Ruy Lopez, open (Tarrasch) defence	73	42.5%	62.3%	0.06 MB
C80	Ruy Lopez, open, 6.d4	51	41.2%	44.1%	0.04 MB
C80	Ruy Lopez, open, 7.Bb3	495	40.8%	52.9%	0.29 MB
C80	Ruy Lopez, open, 8...Be6	1327	38.1%	44.0%	0.78 MB
C80	Ruy Lopez, open, Berger variation	3	66.7%	33.3%	0.00 MB
C80	Ruy Lopez, open, Bernstein variation	1057	49.6%	62.7%	0.64 MB
C80	Ruy Lopez, open, Bernstein variation, Karpov gambit	27	44.4%	44.4%	0.02 MB
C80	Ruy Lopez, open, Friess attack	11	18.2%	54.5%	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	13	61.5%	46.2%	0.01 MB
C80	Ruy Lopez, open, Zukertort variation	3	33.3%	50.0%	0.00 MB
C81	Ruy Lopez, open, Howell attack	278	49.6%	54.7%	0.19 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	12	33.3%	50.0%	0.01 MB
C82	Ruy Lopez, open, 9.c3	8	25.0%	75.0%	0.01 MB
C82	Ruy Lopez, open, Berlin variation	28	28.6%	67.9%	0.02 MB
C82	Ruy Lopez, open, Dilworth variation	178	41.0%	59.3%	0.12 MB
C82	Ruy Lopez, open, Italian variation	103	50.5%	63.1%	0.07 MB
C82	Ruy Lopez, open, Motzko attack	88	46.6%	56.3%	0.06 MB
C82	Ruy Lopez, open, Motzko attack, Nenarokov variation	19	42.1%	73.7%	0.02 MB
C82	Ruy Lopez, open, St. Petersburg variation	216	42.1%	65.0%	0.14 MB
C83	Ruy Lopez, open, 9...Be7, 10.Re1	48	39.6%	53.1%	0.04 MB
C83	Ruy Lopez, open, Breslau variation	3	66.7%	66.7%	0.00 MB
C83	Ruy Lopez, open, Malkin variation	17	58.8%	58.8%	0.01 MB
C83	Ruy Lopez, open, classical defence	235	47.7%	58.7%	0.17 MB
C84	Ruy Lopez, closed defence	1886	41.8%	52.0%	1.21 MB
C84	Ruy Lopez, closed, Basque gambit (North Spanish variation)	2	50.0%	25.0%	0.00 MB
C84	Ruy Lopez, closed, centre attack	199	49.7%	48.0%	0.14 MB
C85	Ruy Lopez, Exchange variation doubly deferred (DERLD)	1564	39.8%	49.4%	1.03 MB
C86	Ruy Lopez, Worrall attack	33	48.5%	57.6%	0.03 MB
C86	Ruy Lopez, Worrall attack, sharp line	305	41.0%	52.3%	0.20 MB
C86	Ruy Lopez, Worrall attack, solid line	159	39.0%	50.3%	0.11 MB
C87	Ruy Lopez, closed, Averbach variation	431	40.6%	59.5%	0.29 MB
C88	Ruy Lopez, Trajkovic counter-attack	672	42.1%	52.2%	0.44 MB
C88	Ruy Lopez, closed	1345	42.0%	53.3%	0.91 MB
C88	Ruy Lopez, closed, 7...O-O	3557	41.1%	52.5%	2.29 MB
C88	Ruy Lopez, closed, 7...d6, 8.d4	24	33.3%	25.0%	0.02 MB
C88	Ruy Lopez, closed, 8.c3	36	44.4%	55.6%	0.03 MB
C88	Ruy Lopez, closed, Balla variation	46	37.0%	55.4%	0.03 MB
C88	Ruy Lopez, closed, anti-Marshall 8.a4	1920	40.5%	54.0%	1.22 MB
C89	Ruy Lopez, Marshall counter-attack	603	52.4%	54.1%	0.38 MB
C89	Ruy Lopez, Marshall counter-attack, 11...c6	231	46.8%	55.4%	0.15 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	234	40.2%	62.4%	0.16 MB
C89	Ruy Lopez, Marshall, main line, 14...Qh3	494	50.8%	51.3%	0.33 MB
C89	Ruy Lopez, Marshall, main line, Spassky variation	1	0.0%	0.0%	0.00 MB
C90	Ruy Lopez, closed (with ...d6)	1235	37.4%	51.7%	0.84 MB
C90	Ruy Lopez, closed, Lutikov variation	45	46.7%	52.2%	0.04 MB
C90	Ruy Lopez, closed, Pilnik variation	889	35.8%	51.9%	0.61 MB
C90	Ruy Lopez, closed, Suetin variation	95	37.9%	57.9%	0.07 MB
C91	Ruy Lopez, closed, 9.d4	1316	39.1%	58.3%	0.90 MB
C91	Ruy Lopez, closed, Bogolyubov variation	4020	43.7%	53.7%	2.60 MB
C92	Ruy Lopez, closed, 9.h3	437	43.0%	53.1%	0.30 MB
C92	Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)	2062	38.9%	56.9%	1.30 MB
C92	Ruy Lopez, closed, Keres (9...a5) variation	20	55.0%	47.5%	0.02 MB
C92	Ruy Lopez, closed, Kholmov variation	136	32.4%	64.7%	0.08 MB
C92	Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation	342	42.7%	63.7%	0.22 MB
C93	Ruy Lopez, closed, Smyslov defence	263	40.3%	58.9%	0.18 MB
C94	Ruy Lopez, closed, Breyer defence	109	37.6%	57.3%	0.08 MB
C95	Ruy Lopez, closed, Breyer, 10.d4	1	0.0%	0.0%	0.00 MB
C95	Ruy Lopez, closed, Breyer, Borisenko variation	799	39.5%	56.6%	0.54 MB
C95	Ruy Lopez, closed, Breyer, Gligoric variation	61	42.6%	57.4%	0.05 MB
C95	Ruy Lopez, closed, Breyer, Simagin variation	25	40.0%	56.0%	0.02 MB
C96	Ruy Lopez, closed (10...c5)	716	33.1%	65.6%	0.48 MB
C96	Ruy Lopez, closed (8...Na5)	38	50.0%	61.8%	0.03 MB
C96	Ruy Lopez, closed, Borisenko defence	41	39.0%	58.5%	0.03 MB
C96	Ruy Lopez, closed, Keres (...Nd7) defence	239	36.8%	66.1%	0.16 MB
C96	Ruy Lopez, closed, Rossolimo defence	3	0.0%	33.3%	0.00 MB
C97	Ruy Lopez, closed, Chigorin defence	830	31.1%	63.4%	0.55 MB
C98	Ruy Lopez, closed, Chigorin, 12...Nc6	151	31.1%	63.2%	0.11 MB
C99	Ruy Lopez, closed, Chigorin, 12...c5d4	916	40.3%	62.9%	0.57 MB
D00	Blackmar gambit	243	37.9%	41.2%	0.15 MB
D00	Blackmar-Diemer gambit	67	43.3%	42.5%	0.04 MB
D00	Blackmar-Diemer, Euwe defence	39	25.6%	46.2%	0.03 MB
D00	Blackmar-Diemer, Lemberg counter-gambit	20	20.0%	60.0%	0.01 MB
D00	Levitsky attack (Queen's bishop attack)	2813	35.5%	50.8%	1.76 MB
D00	Queen's pawn game	1298	37.2%	50.1%	0.84 MB
D00	Queen's pawn, Anti-Veresov	4	50.0%	50.0%	0.01 MB
D00	Queen's pawn, Chigorin variation	889	32.6%	51.2%	0.58 MB
D00	Queen's pawn, Mason variation	1669	37.8%	53.1%	1.06 MB
D00	Queen's pawn, Mason variation, Steinitz counter-gambit	778	39.6%	52.1%	0.51 MB
D00	Queen's pawn, stonewall attack	77	31.2%	41.6%	0.06 MB
D01	Richter-Veresov attack	869	31.4%	48.4%	0.56 MB
D01	Richter-Veresov attack, Richter variation	27	25.9%	57.4%	0.02 MB
D01	Richter-Veresov attack, Veresov variation	34	41.2%	47.1%	0.03 MB
D02	Queen's bishop game	2118	40.1%	53.2%	1.39 MB
D02	Queen's pawn game	7042	40.7%	53.3%	4.44 MB
D02	Queen's pawn game, Chigorin variation	718	39.1%	56.1%	0.49 MB
D02	Queen's pawn game, Krause variation	687	41.0%	55.0%	0.45 MB
D03	Torre attack (Tartakower variation)	893	38.3%	50.6%	0.59 MB
D04	Queen's pawn game	1342	38.7%	51.6%	0.89 MB
D05	Colle system	297	44.8%	52.0%	0.21 MB
D05	Queen's pawn game	975	37.3%	52.3%	0.64 MB
D05	Queen's pawn game, Rubinstein (Colle-Zukertort) variation	446	39.2%	54.6%	0.30 MB
D05	Queen's pawn game, Zukertort variation	63	46.0%	56.3%	0.05 MB
D06	QGD, Grau (Sahovic) defence	328	33.5%	59.5%	0.22 MB
D06	QGD, Marshall defence	360	41.7%	55.0%	0.24 MB
D06	QGD, symmetrical (Austrian) defence	159	45.3%	60.4%	0.10 MB
D07	QGD, Chigorin defence	1173	36.1%	57.2%	0.73 MB
D07	QGD, Chigorin defence, Janowski variation	143	35.7%	63.3%	0.10 MB
D08	QGD, Albin counter-gambit	620	37.9%	55.2%	0.38 MB
D08	QGD, Albin counter-gambit, Alapin variation	130	48.5%	55.8%	0.08 MB
D08	QGD, Albin counter-gambit, Balogh variation	23	30.4%	76.1%	0.02 MB
D08	QGD, Albin counter-gambit, Janowski variation	21	23.8%	73.8%	0.02 MB
D08	QGD, Albin counter-gambit, Krenosz variation	18	38.9%	58.3%	0.01 MB
D08	QGD, Albin counter-gambit, Lasker trap	6	16.7%	58.3%	0.01 MB
D09	QGD, Albin counter-gambit, 5.g3	457	42.0%	56.5%	0.29 MB
D10	QGD Slav defence	5132	40.4%	54.2%	3.21 MB
D10	QGD Slav defence, Alekhine variation	324	38.3%	57.4%	0.20 MB
D10	QGD Slav defence, exchange variation	2109	44.0%	55.8%	1.32 MB
D10	QGD Slav, Winawer counter-gambit	256	32.8%	54.7%	0.17 MB
D11	QGD Slav, 3.Nf3	3980	41.0%	55.2%	2.49 MB
D11	QGD Slav, 4.e3	5980	42.7%	55.4%	3.64 MB
D11	QGD Slav, Breyer variation	272	41.9%	58.8%	0.19 MB
D12	QGD Slav, 4.e3 Bf5	4077	40.3%	54.7%	2.52 MB
D12	QGD Slav, Amsterdam variation	22	54.5%	45.5%	0.02 MB
D12	QGD Slav, exchange variation	110	37.3%	48.6%	0.08 MB
D13	QGD Slav, exchange variation	927	48.1%	55.2%	0.59 MB
D14	QGD Slav, exchange variation, 6.Bf4 Bf5	770	51.0%	52.4%	0.47 MB
D14	QGD Slav, exchange, Trifunovic variation	256	51.6%	52.7%	0.16 MB
D15	QGD Slav accepted	147	38.1%	51.7%	0.09 MB
D15	QGD Slav, 4.Nc3	5362	40.4%	55.2%	3.28 MB
D15	QGD Slav, 5.e3 (Alekhine variation)	214	32.2%	56.3%	0.14 MB
D15	QGD Slav, Schlechter variation	433	43.6%	59.5%	0.31 MB
D15	QGD Slav, Slav gambit	71	29.6%	66.9%	0.05 MB
D15	QGD Slav, Suechting variation	212	32.5%	60.6%	0.14 MB
D15	QGD Slav, Tolush-Geller gambit	159	27.7%	41.5%	0.09 MB
D16	QGD Slav accepted, Alapin variation	251	37.8%	64.3%	0.16 MB
D16	QGD Slav, Smyslov variation	106	38.7%	60.8%	0.07 MB
D16	QGD Slav, Soultanbeieff variation	534	50.0%	52.5%	0.35 MB
D16	QGD Slav, Steiner variation	301	36.2%	62.6%	0.20 MB
D17	QGD Slav, Carlsbad variation	523	38.2%	61.4%	0.32 MB
D17	QGD Slav, Czech defence	491	47.7%	55.6%	0.31 MB
D17	QGD Slav, Krause attack	868	39.7%	58.7%	0.55 MB
D17	QGD Slav, Wiesbaden variation	735	42.9%	57.1%	0.43 MB
D18	QGD Slav, Dutch variation	429	42.2%	58.9%	0.27 MB
D18	QGD Slav, Dutch, Lasker variation	4	25.0%	87.5%	0.00 MB
D19	QGD Slav, Dutch variation	1685	41.1%	56.6%	1.05 MB
D19	QGD Slav, Dutch variation, main line	289	43.9%	58.0%	0.19 MB
D19	QGD Slav, Dutch, Saemisch variation	2	50.0%	25.0%	0.00 MB
D20	QGA, 3.e4	3661	40.4%	56.5%	2.17 MB
D20	QGA, Linares variation	105	36.2%	59.0%	0.07 MB
D20	Queen's gambit accepted	1276	45.4%	54.9%	0.82 MB
D21	QGA, 3.Nf3	462	42.4%	57.6%	0.30 MB
D21	QGA, Alekhine defense, Borisenko-Furman variation	43	34.9%	45.3%	0.03 MB
D21	QGA, Ericson variation	6	0.0%	33.3%	0.01 MB
D22	QGA, Alekhine defence	505	40.8%	57.6%	0.32 MB
D22	QGA, Alekhine defence, Alatortsev variation	14	57.1%	42.9%	0.01 MB
D22	QGA, Haberditz variation	213	54.5%	54.9%	0.14 MB
D23	QGA, Mannheim variation	511	41.7%	53.7%	0.34 MB
D23	Queen's gambit accepted	72	48.6%	53.5%	0.05 MB
D24	QGA, 4.Nc3	348	37.9%	52.0%	0.23 MB
D24	QGA, Bogolyubov variation	217	45.6%	55.5%	0.13 MB
D25	QGA, 4.e3	200	36.0%	58.0%	0.14 MB
D25	QGA, Flohr variation	119	27.7%	64.3%	0.08 MB
D25	QGA, Janowsky-Larsen variation	603	41.0%	58.3%	0.40 MB
D25	QGA, Smyslov variation	108	51.9%	60.2%	0.08 MB
D26	QGA, 4...e6	340	44.4%	53.4%	0.23 MB
D26	QGA, classical variation	908	51.9%	53.6%	0.60 MB
D26	QGA, classical variation, 6.O-O	209	49.3%	59.1%	0.14 MB
D26	QGA, classical, Furman variation	5	60.0%	30.0%	0.00 MB
D26	QGA, classical, Steinitz variation	155	51.6%	61.9%	0.11 MB
D27	QGA, classical, 6...a6	4644	52.2%	55.0%	2.90 MB
D27	QGA, classical, Geller variation	92	52.2%	57.6%	0.06 MB
D27	QGA, classical, Rubinstein variation	1615	48.5%	56.3%	1.04 MB
D28	QGA, classical, 7...b5	316	52.2%	54.6%	0.22 MB
D28	QGA, classical, 7.Qe2	67	50.7%	61.2%	0.05 MB
D28	QGA, classical, Flohr variation	1	0.0%	0.0%	0.00 MB
D29	QGA, classical, 8...Bb7	371	41.8%	47.3%	0.24 MB
D29	QGA, classical, Smyslov variation	45	51.1%	43.3%	0.04 MB
D30	QGD	1107	47.1%	52.1%	0.67 MB
D30	QGD Slav	563	43.5%	54.4%	0.38 MB
D30	QGD Slav, Semmering variation	43	37.2%	48.8%	0.03 MB
D30	QGD, Capablanca variation	43	32.6%	58.1%	0.03 MB
D30	QGD, Capablanca-Duras variation	450	44.0%	53.6%	0.30 MB
D30	QGD, Hastings variation	801	46.4%	52.3%	0.49 MB
D30	QGD, Stonewall variation	4	50.0%	75.0%	0.00 MB
D30	QGD, Vienna variation	1151	52.8%	52.1%	0.71 MB
D30	Queen's gambit declined	7558	44.5%	55.5%	4.77 MB
D31	QGD, 3.Nc3	1256	38.9%	54.5%	0.80 MB
D31	QGD, Alapin variation	17	23.5%	64.7%	0.01 MB
D31	QGD, Charousek (Petrosian) variation	2132	45.8%	54.1%	1.33 MB
D31	QGD, Janowski variation	322	40.7%	54.2%	0.22 MB
D31	QGD, semi-Slav	1471	39.6%	53.9%	0.93 MB
D31	QGD, semi-Slav, Abrahams variation	174	34.5%	42.5%	0.11 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	1292	42.6%	54.4%	0.76 MB
D31	QGD, semi-Slav, Noteboom variation	359	38.2%	50.6%	0.22 MB
D32	QGD, Tarrasch defence	569	45.2%	53.3%	0.37 MB
D32	QGD, Tarrasch defence, 4.cd ed	42	33.3%	42.9%	0.03 MB
D32	QGD, Tarrasch defence, Marshall gambit	14	42.9%	57.1%	0.01 MB
D32	QGD, Tarrasch defence, Tarrasch gambit	15	53.3%	46.7%	0.01 MB
D32	QGD, Tarrasch, von Hennig-Schara gambit	111	42.3%	61.7%	0.08 MB
D33	QGD, Tarrasch, Folkestone (Swedish) variation	236	48.3%	56.4%	0.16 MB
D33	QGD, Tarrasch, Prague variation	213	41.8%	53.3%	0.14 MB
D33	QGD, Tarrasch, Schlechter-Rubinstein system	61	34.4%	56.6%	0.04 MB
D33	QGD, Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation	2	50.0%	25.0%	0.00 MB
D33	QGD, Tarrasch, Wagner variation	51	54.9%	54.9%	0.04 MB
D34	QGD, Tarrasch, Bogolyubov variation	2	50.0%	25.0%	0.00 MB
D34	QGD, Tarrasch, Prague variation, 7...Be7	205	44.9%	55.1%	0.14 MB
D34	QGD, Tarrasch, Prague variation, 9.Bg5	617	46.5%	58.6%	0.39 MB
D34	QGD, Tarrasch, Prague variation, Normal position	757	50.1%	56.1%	0.49 MB
D34	QGD, Tarrasch, Reti variation	36	61.1%	61.1%	0.03 MB
D35	QGD, 3...Nf6	139	37.4%	51.1%	0.09 MB
D35	QGD, Harrwitz attack	271	50.6%	55.5%	0.19 MB
D35	QGD, exchange variation	443	42.0%	56.2%	0.30 MB
D35	QGD, exchange, Saemisch variation	398	47.5%	53.6%	0.27 MB
D35	QGD, exchange, positional line	1309	40.9%	54.4%	0.84 MB
D35	QGD, exchange, positional line, 5...c6	1034	43.0%	55.7%	0.69 MB
D36	QGD, exchange, positional line, 6.Qc2	488	44.1%	54.4%	0.33 MB
D37	QGD, 4.Nf3	7184	46.4%	53.3%	4.27 MB
D37	QGD, classical variation (5.Bf4)	5234	46.0%	55.0%	3.20 MB
D38	QGD, Ragozin variation	5763	46.1%	52.8%	3.46 MB
D39	QGD, Ragozin, Vienna variation	1819	49.3%	51.3%	1.04 MB
D40	QGD, Semi-Tarrasch defence	468	42.7%	54.9%	0.33 MB
D40	QGD, Semi-Tarrasch defence, Pillsbury variation	90	48.9%	57.8%	0.06 MB
D40	QGD, Semi-Tarrasch, Levenfish variation	5	40.0%	60.0%	0.00 MB
D40	QGD, Semi-Tarrasch, symmetrical variation	27	48.1%	53.7%	0.02 MB
D41	QGD, Semi-Tarrasch with e3	332	45.8%	56.9%	0.23 MB
D41	QGD, Semi-Tarrasch, 5.cd	806	49.1%	56.8%	0.50 MB
D41	QGD, Semi-Tarrasch, Kmoch variation	12	58.3%	45.8%	0.01 MB
D41	QGD, Semi-Tarrasch, San Sebastian variation	25	36.0%	78.0%	0.02 MB
D42	QGD, Semi-Tarrasch, 7.Bd3	413	47.2%	54.1%	0.28 MB
D43	QGD semi-Slav	9266	42.0%	53.0%	5.43 MB
D43	QGD semi-Slav, Hastings variation	5	20.0%	90.0%	0.01 MB
D44	QGD semi-Slav, 5.Bg5 dc	249	47.4%	49.4%	0.17 MB
D44	QGD semi-Slav, Botvinnik system (anti-Meran)	93	36.6%	54.8%	0.06 MB
D44	QGD semi-Slav, Ekstrom variation	26	46.2%	38.5%	0.02 MB
D44	QGD semi-Slav, anti-Meran gambit	885	34.6%	58.9%	0.46 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	185	33.0%	65.7%	0.09 MB
D44	QGD semi-Slav, anti-Meran, Szabo variation	28	21.4%	35.7%	0.02 MB
D45	QGD semi-Slav, 5...Nd7	731	39.0%	51.9%	0.48 MB
D45	QGD semi-Slav, 5.e3	502	38.2%	57.0%	0.33 MB
D45	QGD semi-Slav, Rubinstein (anti-Meran) system	21	33.3%	45.2%	0.01 MB
D45	QGD semi-Slav, Stoltz variation	13153	43.6%	53.1%	7.90 MB
D45	QGD semi-Slav, accelerated Meran (Alekhine variation)	2814	43.6%	54.4%	1.72 MB
D45	QGD semi-Slav, stonewall defence	14	42.9%	50.0%	0.01 MB
D46	QGD semi-Slav, 6.Bd3	45	35.6%	66.7%	0.04 MB
D46	QGD semi-Slav, Bogolyubov variation	188	43.6%	56.4%	0.14 MB
D46	QGD semi-Slav, Chigorin defence	464	46.1%	54.5%	0.32 MB
D46	QGD semi-Slav, Romih variation	192	35.9%	63.8%	0.13 MB
D47	QGD semi-Slav, 7.Bc4	78	32.1%	57.1%	0.06 MB
D47	QGD semi-Slav, Meran variation	1500	49.2%	54.1%	0.97 MB
D47	QGD semi-Slav, Meran, Wade variation	7199	39.7%	53.5%	4.25 MB
D47	QGD semi-Slav, neo-Meran (Lundin variation)	345	49.9%	54.5%	0.23 MB
D48	QGD semi-Slav, Meran	24	4.2%	43.8%	0.02 MB
D48	QGD semi-Slav, Meran, 8...a6	1491	49.5%	49.0%	0.93 MB
D48	QGD semi-Slav, Meran, Pirc variation	9	55.6%	72.2%	0.01 MB
D48	QGD semi-Slav, Meran, Reynolds' variation	808	39.2%	56.3%	0.48 MB
D48	QGD semi-Slav, Meran, old main line	124	36.3%	52.0%	0.08 MB
D49	QGD semi-Slav, Meran, Blumenfeld variation	204	43.6%	53.2%	0.12 MB
D49	QGD semi-Slav, Meran, Rabinovich variation	78	30.8%	47.4%	0.05 MB
D49	QGD semi-Slav, Meran, Rellstab attack	17	35.3%	58.8%	0.01 MB
D49	QGD semi-Slav, Meran, Sozin variation	169	43.8%	47.3%	0.09 MB
D49	QGD semi-Slav, Meran, Stahlberg variation	80	41.3%	45.6%	0.05 MB
D50	QGD, 4.Bg5	482	39.4%	58.1%	0.31 MB
D50	QGD, Been-Koomen variation	36	50.0%	47.2%	0.03 MB
D50	QGD, Canal (Venice) variation	10	30.0%	55.0%	0.01 MB
D50	QGD, Semi-Tarrasch	72	50.0%	51.4%	0.05 MB
D50	QGD, Semi-Tarrasch, Krause variation	2	100.0%	50.0%	0.00 MB
D50	QGD, Semi-Tarrasch, Primitive Pillsbury variation	15	40.0%	53.3%	0.01 MB
D51	QGD	49	46.9%	58.2%	0.04 MB
D51	QGD, 4.Bg5 Nbd7	111	39.6%	54.1%	0.08 MB
D51	QGD, 5...c6	229	49.8%	49.8%	0.16 MB
D51	QGD, Alekhine variation	4	0.0%	50.0%	0.00 MB
D51	QGD, Capablanca anti-Cambridge Springs variation	47	42.6%	59.6%	0.03 MB
D51	QGD, Manhattan variation	26	50.0%	55.8%	0.02 MB
D51	QGD, Rochlin variation	13	46.2%	46.2%	0.01 MB
D52	QGD	238	39.1%	54.8%	0.16 MB
D52	QGD, Cambridge Springs defence	47	46.8%	46.8%	0.03 MB
D52	QGD, Cambridge Springs defence, 7.cd	83	30.1%	54.8%	0.06 MB
D52	QGD, Cambridge Springs defence, Argentine variation	24	37.5%	43.8%	0.02 MB
D52	QGD, Cambridge Springs defence, Bogoljubow variation	513	49.9%	55.6%	0.36 MB
D52	QGD, Cambridge Springs defence, Capablanca variation	37	35.1%	60.8%	0.03 MB
D52	QGD, Cambridge Springs defence, Rubinstein variation	217	38.2%	56.0%	0.15 MB
D52	QGD, Cambridge Springs defence, Yugoslav variation	520	39.0%	56.3%	0.32 MB
D53	QGD, 4.Bg5 Be7	1244	45.7%	55.3%	0.80 MB
D53	QGD, 4.Bg5 Be7, 5.e3 O-O	95	45.3%	52.1%	0.06 MB
D53	QGD, Lasker variation	6	33.3%	66.7%	0.01 MB
D54	QGD, Anti-neo-orthodox variation	150	46.0%	55.7%	0.10 MB
D55	QGD, 6.Nf3	189	36.0%	56.1%	0.13 MB
D55	QGD, Neo-orthodox variation	9	44.4%	55.6%	0.01 MB
D55	QGD, Neo-orthodox variation, 7.Bh4	186	48.4%	55.9%	0.13 MB
D55	QGD, Neo-orthodox variation, 7.Bxf6	412	48.1%	51.5%	0.28 MB
D55	QGD, Petrosian variation	403	53.8%	53.2%	0.25 MB
D55	QGD, Pillsbury attack	2	50.0%	75.0%	0.00 MB
D56	QGD, Lasker defence	574	49.7%	52.9%	0.37 MB
D56	QGD, Lasker defence, Teichmann variation	128	53.1%	50.0%	0.09 MB
D57	QGD, Lasker defence, Bernstein variation	38	57.9%	55.3%	0.03 MB
D57	QGD, Lasker defence, main line	167	52.7%	55.7%	0.11 MB
D58	QGD, Tartakower (Makagonov-Bondarevsky) system	5341	46.8%	52.1%	3.38 MB
D59	QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5	256	49.6%	46.3%	0.18 MB
D59	QGD, Tartakower variation	137	48.2%	46.7%	0.10 MB
D60	QGD, Orthodox defence	118	33.9%	53.4%	0.09 MB
D60	QGD, Orthodox defence, Botvinnik variation	115	40.0%	51.3%	0.09 MB
D60	QGD, Orthodox defence, Rauzer variation	114	48.2%	55.7%	0.08 MB
D61	QGD, Orthodox defence, Rubinstein variation	440	46.4%	53.6%	0.29 MB
D62	QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)	259	50.2%	54.8%	0.17 MB
D63	QGD, Orthodox defence	123	46.3%	59.8%	0.09 MB
D63	QGD, Orthodox defence, 7.Rc1	286	40.6%	56.3%	0.19 MB
D63	QGD, Orthodox defence, Capablanca variation	5	40.0%	60.0%	0.00 MB
D63	QGD, Orthodox defence, Pillsbury attack	28	53.6%	58.9%	0.02 MB
D63	QGD, Orthodox defence, Swiss (Henneberger) variation	140	44.3%	57.1%	0.10 MB
D63	QGD, Orthodox defence, Swiss, Karlsbad variation	372	45.2%	54.3%	0.26 MB
D64	QGD, Orthodox defence, Rubinstein attack (with Rc1)	124	48.4%	55.6%	0.09 MB
D64	QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation	36	33.3%	61.1%	0.03 MB
D64	QGD, Orthodox defence, Rubinstein attack, Karlsbad variation	28	42.9%	42.9%	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	31	51.6%	58.1%	0.03 MB
D66	QGD, Orthodox defence, Bd3 line	344	48.0%	58.0%	0.24 MB
D66	QGD, Orthodox defence, Bd3 line, fianchetto variation	26	42.3%	63.5%	0.02 MB
D67	QGD, Orthodox defence, Bd3 line	20	55.0%	47.5%	0.02 MB
D67	QGD, Orthodox defence, Bd3 line, 11.O-O	67	35.8%	65.7%	0.05 MB
D67	QGD, Orthodox defence, Bd3 line, Alekhine variation	67	55.2%	60.4%	0.05 MB
D68	QGD, Orthodox defence, classical variation	83	50.6%	56.6%	0.06 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)	51	56.9%	57.8%	0.04 MB
D69	QGD, Orthodox defence, classical, 13.de	17	52.9%	55.9%	0.01 MB
D70	Neo-Gruenfeld (Kemeri) defence	264	38.3%	52.5%	0.17 MB
D70	Neo-Gruenfeld defence	330	35.8%	54.2%	0.20 MB
D71	Neo-Gruenfeld, 5.cd	381	46.7%	56.7%	0.25 MB
D72	Neo-Gruenfeld, 5.cd, main line	293	34.5%	61.3%	0.19 MB
D73	Neo-Gruenfeld, 5.Nf3	1014	51.6%	55.6%	0.65 MB
D74	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O	301	45.5%	57.0%	0.20 MB
D75	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3	243	44.9%	57.8%	0.16 MB
D75	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc	36	33.3%	66.7%	0.03 MB
D76	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6	625	46.2%	57.5%	0.41 MB
D77	Neo-Gruenfeld, 6.O-O	868	46.9%	54.8%	0.57 MB
D78	Neo-Gruenfeld, 6.O-O c6	979	44.1%	53.4%	0.64 MB
D79	Neo-Gruenfeld, 6.O-O, main line	649	49.6%	54.2%	0.44 MB
D80	Gruenfeld defence	1422	45.4%	53.8%	0.83 MB
D80	Gruenfeld, Lundin variation	1	0.0%	0.0%	0.00 MB
D80	Gruenfeld, Stockholm variation	977	43.6%	53.6%	0.60 MB
D81	Gruenfeld, Russian variation	738	41.7%	59.2%	0.48 MB
D82	Gruenfeld, 4.Bf4	717	43.4%	53.1%	0.45 MB
D83	Gruenfeld, Gruenfeld gambit	100	46.0%	57.0%	0.07 MB
D83	Gruenfeld, Gruenfeld gambit, Botvinnik variation	31	58.1%	58.1%	0.03 MB
D83	Gruenfeld, Gruenfeld gambit, Capablanca variation	502	42.8%	58.3%	0.31 MB
D84	Gruenfeld, Gruenfeld gambit accepted	165	47.9%	57.9%	0.10 MB
D85	Gruenfeld, exchange variation	3913	48.1%	55.9%	2.31 MB
D85	Gruenfeld, modern exchange variation	3793	47.2%	56.3%	2.16 MB
D86	Gruenfeld, exchange, Larsen variation	11	36.4%	54.5%	0.01 MB
D86	Gruenfeld, exchange, Simagin's improved variation	199	40.2%	55.3%	0.13 MB
D86	Gruenfeld, exchange, Simagin's lesser variation	68	44.1%	60.3%	0.05 MB
D86	Gruenfeld, exchange, classical variation	1317	46.5%	55.6%	0.81 MB
D87	Gruenfeld, exchange, Seville variation	92	54.3%	62.0%	0.06 MB
D87	Gruenfeld, exchange, Spassky variation	660	43.2%	56.1%	0.42 MB
D88	Gruenfeld, Spassky variation, main line, 10...cd, 11.cd	280	41.8%	60.5%	0.19 MB
D89	Gruenfeld, Spassky variation, main line, 13.Bd3	75	40.0%	48.0%	0.05 MB
D89	Gruenfeld, exchange, Sokolsky variation	12	41.7%	45.8%	0.01 MB
D90	Gruenfeld, Flohr variation	417	39.3%	54.4%	0.27 MB
D90	Gruenfeld, Schlechter variation	78	35.9%	53.8%	0.06 MB
D90	Gruenfeld, Three knights variation	924	48.2%	53.7%	0.56 MB
D91	Gruenfeld, 5.Bg5	1071	40.1%	48.3%	0.72 MB
D92	Gruenfeld, 5.Bf4	913	45.5%	55.8%	0.58 MB
D93	Gruenfeld with Bf4 e3	388	50.0%	54.6%	0.26 MB
D94	Gruenfeld with e3 Bd3	25	40.0%	48.0%	0.02 MB
D94	Gruenfeld, 5.e3	505	43.2%	56.0%	0.34 MB
D94	Gruenfeld, Flohr defence	23	52.2%	60.9%	0.02 MB
D94	Gruenfeld, Makogonov variation	131	39.7%	49.6%	0.09 MB
D94	Gruenfeld, Opovcensky variation	219	42.9%	51.6%	0.15 MB
D94	Gruenfeld, Smyslov defence	202	47.5%	55.9%	0.15 MB
D95	Gruenfeld with e3 & Qb3	46	37.0%	59.8%	0.04 MB
D95	Gruenfeld, Botvinnik variation	126	41.3%	51.6%	0.10 MB
D96	Gruenfeld, Russian variation	473	41.6%	52.3%	0.31 MB
D97	Gruenfeld, Russian variation with e4	77	31.2%	61.0%	0.05 MB
D97	Gruenfeld, Russian, Alekhine (Hungarian) variation	2000	45.5%	51.4%	1.23 MB
D97	Gruenfeld, Russian, Byrne (Simagin) variation	190	41.1%	62.1%	0.12 MB
D97	Gruenfeld, Russian, Levenfish variation	29	34.5%	62.1%	0.02 MB
D97	Gruenfeld, Russian, Prins variation	500	45.0%	56.5%	0.33 MB
D97	Gruenfeld, Russian, Szabo (Boleslavsky) variation	273	45.1%	57.7%	0.18 MB
D98	Gruenfeld, Russian, Keres variation	22	50.0%	47.7%	0.02 MB
D98	Gruenfeld, Russian, Smyslov variation	383	41.3%	59.3%	0.25 MB
D99	Gruenfeld defence, Smyslov, Yugoslav variation	27	22.2%	51.9%	0.02 MB
D99	Gruenfeld defence, Smyslov, main line	248	41.5%	59.5%	0.16 MB
E00	Catalan opening	4528	41.9%	55.0%	2.81 MB
E00	Neo-Indian (Seirawan) attack	284	31.0%	50.4%	0.20 MB
E00	Queen's pawn game	622	38.4%	56.7%	0.43 MB
E01	Catalan, closed	806	47.5%	54.4%	0.53 MB
E02	Catalan, open, 5.Qa4	219	43.8%	58.4%	0.15 MB
E03	Catalan, open, 5.Qa4 Nbd7, 6.Qxc4	166	50.6%	45.2%	0.11 MB
E03	Catalan, open, Alekhine variation	50	38.0%	49.0%	0.04 MB
E04	Catalan, open, 5.Nf3	5595	44.4%	53.7%	3.30 MB
E05	Catalan, open, classical line	205	52.7%	58.0%	0.15 MB
E06	Catalan, closed, 5.Nf3	3854	50.0%	53.8%	2.40 MB
E07	Catalan, closed, 6...Nbd7	139	43.9%	52.9%	0.10 MB
E07	Catalan, closed, Botvinnik variation	127	39.4%	48.8%	0.09 MB
E08	Catalan, closed, 7.Qc2	141	36.9%	61.7%	0.10 MB
E08	Catalan, closed, Qc2 & b3	332	41.0%	50.6%	0.23 MB
E08	Catalan, closed, Spassky gambit	11	27.3%	50.0%	0.01 MB
E08	Catalan, closed, Zagoryansky variation	10	60.0%	50.0%	0.01 MB
E09	Catalan, closed, Sokolsky variation	5	20.0%	50.0%	0.00 MB
E09	Catalan, closed, main line	321	37.4%	59.2%	0.22 MB
E10	Blumenfeld counter-gambit	402	41.0%	56.1%	0.25 MB
E10	Blumenfeld counter-gambit accepted	162	39.5%	56.2%	0.11 MB
E10	Blumenfeld counter-gambit, Dus-Chotimursky variation	266	36.1%	56.4%	0.18 MB
E10	Blumenfeld counter-gambit, Spielmann variation	176	34.7%	58.8%	0.11 MB
E10	Doery defence	33	36.4%	57.6%	0.03 MB
E10	Dzindzikhashvili defence	207	42.0%	51.9%	0.15 MB
E10	Queen's pawn game	5648	44.3%	55.3%	3.54 MB
E11	Bogo-Indian defence	2209	40.8%	55.3%	1.40 MB
E11	Bogo-Indian defence, Gruenfeld variation	2813	40.3%	56.3%	1.77 MB
E11	Bogo-Indian defence, Monticelli trap	21	42.9%	40.5%	0.01 MB
E11	Bogo-Indian defence, Nimzovich variation	1879	40.7%	57.3%	1.21 MB
E12	Queen's Indian defence	792	41.2%	53.9%	0.54 MB
E12	Queen's Indian, 4.Nc3	5620	40.4%	53.2%	3.46 MB
E12	Queen's Indian, 4.Nc3, Botvinnik variation	46	28.3%	48.9%	0.03 MB
E12	Queen's Indian, Miles variation	1821	43.3%	53.4%	1.19 MB
E12	Queen's Indian, Petrosian system	8197	43.3%	54.3%	4.93 MB
E13	Queen's Indian, 4.Nc3, main line	304	36.5%	52.8%	0.20 MB
E14	Queen's Indian, 4.e3	2098	39.5%	52.9%	1.34 MB
E14	Queen's Indian, Averbakh variation	4	25.0%	37.5%	0.00 MB
E15	Queen's Indian, 4.g3	3409	48.2%	55.2%	2.07 MB
E15	Queen's Indian, 4.g3 Bb7	385	41.6%	53.8%	0.26 MB
E15	Queen's Indian, Buerger variation	61	36.1%	60.7%	0.04 MB
E15	Queen's Indian, Nimzovich variation (exaggerated fianchetto)	17053	41.6%	56.5%	10.33 MB
E15	Queen's Indian, Rubinstein variation	189	34.4%	60.6%	0.12 MB
E16	Queen's Indian, Capablanca variation	621	43.3%	57.2%	0.41 MB
E16	Queen's Indian, Riumin variation	296	37.8%	59.1%	0.21 MB
E16	Queen's Indian, Yates variation	500	41.4%	57.5%	0.35 MB
E17	Queen's Indian, 5.Bg2 Be7	55	38.2%	46.4%	0.04 MB
E17	Queen's Indian, Euwe variation	87	47.1%	54.6%	0.06 MB
E17	Queen's Indian, Opovcensky variation	882	40.1%	55.2%	0.55 MB
E17	Queen's Indian, anti-Queen's Indian system	504	42.1%	53.6%	0.33 MB
E17	Queen's Indian, old main line, 6.O-O	1257	43.4%	58.0%	0.78 MB
E18	Queen's Indian, old main line, 7.Nc3	2014	44.0%	56.9%	1.24 MB
E19	Queen's Indian, old main line, 9.Qxc3	1516	47.1%	58.0%	0.98 MB
E20	Nimzo-Indian defence	272	46.3%	53.3%	0.20 MB
E20	Nimzo-Indian, Kmoch variation	1243	37.4%	53.8%	0.73 MB
E20	Nimzo-Indian, Mikenas attack	8	50.0%	62.5%	0.01 MB
E20	Nimzo-Indian, Romanishin-Kasparov (Steiner) system	638	44.5%	54.2%	0.43 MB
E21	Nimzo-Indian, three knights variation	3444	41.5%	54.6%	2.13 MB
E21	Nimzo-Indian, three knights, Euwe variation	8	62.5%	56.3%	0.01 MB
E21	Nimzo-Indian, three knights, Korchnoi variation	8	25.0%	37.5%	0.01 MB
E22	Nimzo-Indian, Spielmann variation	699	37.9%	53.3%	0.45 MB
E23	Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc6	118	43.2%	46.2%	0.08 MB
E23	Nimzo-Indian, Spielmann, Karlsbad variation	41	36.6%	47.6%	0.03 MB
E23	Nimzo-Indian, Spielmann, San Remo variation	25	40.0%	56.0%	0.02 MB
E23	Nimzo-Indian, Spielmann, Staahlberg variation	2	0.0%	100.0%	0.00 MB
E24	Nimzo-Indian, Saemisch variation	473	38.9%	53.1%	0.30 MB
E24	Nimzo-Indian, Saemisch, Botvinnik variation	105	39.0%	44.3%	0.07 MB
E25	Nimzo-Indian, Saemisch variation	213	40.8%	54.7%	0.13 MB
E25	Nimzo-Indian, Saemisch, Keres variation	346	48.0%	54.3%	0.22 MB
E25	Nimzo-Indian, Saemisch, Romanovsky variation	147	56.5%	52.7%	0.10 MB
E26	Nimzo-Indian, Saemisch variation	280	36.8%	56.3%	0.17 MB
E26	Nimzo-Indian, Saemisch, O'Kelly variation	58	39.7%	50.9%	0.04 MB
E27	Nimzo-Indian, Saemisch variation	120	44.2%	49.6%	0.08 MB
E28	Nimzo-Indian, Saemisch variation	360	31.7%	52.8%	0.23 MB
E29	Nimzo-Indian, Saemisch, Capablanca variation	38	42.1%	42.1%	0.03 MB
E29	Nimzo-Indian, Saemisch, main line	171	36.3%	57.3%	0.12 MB
E30	Nimzo-Indian, Leningrad variation	969	33.8%	50.2%	0.61 MB
E30	Nimzo-Indian, Leningrad, ...b5 gambit	84	33.3%	47.6%	0.05 MB
E31	Nimzo-Indian, Leningrad, main line	426	34.5%	49.4%	0.27 MB
E32	Nimzo-Indian, classical variation	7783	42.9%	53.8%	4.65 MB
E32	Nimzo-Indian, classical, Adorjan gambit	137	46.0%	52.9%	0.08 MB
E33	Nimzo-Indian, classical, 4...Nc6	271	34.7%	56.5%	0.19 MB
E33	Nimzo-Indian, classical, Milner-Barry (Zurich) variation	465	40.0%	58.3%	0.30 MB
E34	Nimzo-Indian, classical, Noa variation	1029	52.5%	53.8%	0.68 MB
E35	Nimzo-Indian, classical, Noa variation, 5.cd ed	794	49.1%	50.5%	0.48 MB
E36	Nimzo-Indian, classical, Botvinnik variation	16	43.8%	59.4%	0.01 MB
E36	Nimzo-Indian, classical, Noa variation, 5.a3	474	44.1%	53.7%	0.29 MB
E36	Nimzo-Indian, classical, Noa variation, main line	1	0.0%	0.0%	0.00 MB
E37	Nimzo-Indian, classical, Noa variation, main line, 7.Qc2	559	47.6%	61.0%	0.36 MB
E37	Nimzo-Indian, classical, San Remo variation	11	27.3%	59.1%	0.01 MB
E38	Nimzo-Indian, classical, 4...c5	776	38.3%	59.5%	0.51 MB
E39	Nimzo-Indian, classical, Pirc variation	1143	40.6%	54.9%	0.73 MB
E40	Nimzo-Indian, 4.e3	285	33.7%	56.5%	0.19 MB
E40	Nimzo-Indian, 4.e3, Taimanov variation	235	34.0%	60.0%	0.15 MB
E41	Nimzo-Indian, 4.e3 c5	1036	44.5%	54.9%	0.68 MB
E41	Nimzo-Indian, e3, Huebner variation	537	34.3%	51.2%	0.36 MB
E42	Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)	850	47.4%	54.3%	0.55 MB
E43	Nimzo-Indian, Fischer variation	762	36.9%	53.6%	0.49 MB
E44	Nimzo-Indian, Fischer variation, 5.Ne2	730	39.3%	55.5%	0.48 MB
E45	Nimzo-Indian, 4.e3, Bronstein (Byrne) variation	526	41.4%	54.2%	0.34 MB
E46	Nimzo-Indian, 4.e3 O-O	121	38.0%	52.1%	0.08 MB
E46	Nimzo-Indian, Reshevsky variation	1164	43.8%	51.7%	0.78 MB
E46	Nimzo-Indian, Simagin variation	213	43.7%	48.1%	0.15 MB
E47	Nimzo-Indian, 4.e3 O-O, 5.Bd3	869	45.6%	52.5%	0.56 MB
E48	Nimzo-Indian, 4.e3 O-O, 5.Bd3 d5	757	43.7%	51.6%	0.50 MB
E49	Nimzo-Indian, 4.e3, Botvinnik system	303	44.2%	56.1%	0.20 MB
E50	Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d5	295	43.1%	50.3%	0.21 MB
E51	Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5	369	49.9%	51.8%	0.25 MB
E51	Nimzo-Indian, 4.e3, Ragozin variation	48	35.4%	67.7%	0.04 MB
E52	Nimzo-Indian, 4.e3, main line with ...b6	688	40.3%	50.9%	0.46 MB
E53	Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd7	94	46.8%	52.1%	0.07 MB
E53	Nimzo-Indian, 4.e3, Keres variation	148	40.5%	50.7%	0.10 MB
E53	Nimzo-Indian, 4.e3, main line with ...c5	514	43.6%	55.1%	0.32 MB
E54	Nimzo-Indian, 4.e3, Gligoric system with 7...dc	1354	48.6%	55.6%	0.86 MB
E54	Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation	43	58.1%	64.0%	0.03 MB
E55	Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation	2060	48.6%	55.5%	1.34 MB
E56	Nimzo-Indian, 4.e3, main line with 7...Nc6	525	52.0%	55.5%	0.35 MB
E57	Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd	13	38.5%	57.7%	0.01 MB
E58	Nimzo-Indian, 4.e3, main line with 8...Bxc3	1612	44.9%	52.8%	1.02 MB
E59	Nimzo-Indian, 4.e3, main line	796	43.5%	53.9%	0.51 MB
E60	King's Indian defence	1372	33.2%	55.1%	0.88 MB
E60	King's Indian, 3.Nf3	3842	40.0%	57.4%	2.44 MB
E60	King's Indian, 3.g3	2412	42.2%	55.5%	1.51 MB
E60	King's Indian, 3.g3, counterthrust variation	17	29.4%	32.4%	0.01 MB
E60	King's Indian, Anti-Gruenfeld	111	35.1%	56.3%	0.08 MB
E60	King's Indian, Danube gambit	12	41.7%	54.2%	0.01 MB
E60	Queen's pawn, Mengarini attack	39	35.9%	61.5%	0.04 MB
E61	King's Indian defence, 3.Nc3	1547	35.6%	55.5%	0.98 MB
E61	King's Indian, Smyslov system	122	35.2%	52.9%	0.09 MB
E62	King's Indian, fianchetto variation	96	38.5%	54.7%	0.07 MB
E62	King's Indian, fianchetto with ...Nc6	290	32.4%	55.9%	0.19 MB
E62	King's Indian, fianchetto, Kavalek (Bronstein) variation	625	33.0%	60.2%	0.42 MB
E62	King's Indian, fianchetto, Larsen system	340	41.5%	61.3%	0.23 MB
E62	King's Indian, fianchetto, Simagin variation	101	31.7%	64.4%	0.07 MB
E62	King's Indian, fianchetto, Uhlmann (Szabo) variation	386	35.0%	57.6%	0.27 MB
E62	King's Indian, fianchetto, lesser Simagin (Spassky) variation	386	37.0%	59.5%	0.26 MB
E63	King's Indian, fianchetto, Panno variation	2440	38.0%	57.0%	1.58 MB
E64	King's Indian, fianchetto, Yugoslav system	151	42.4%	58.3%	0.10 MB
E65	King's Indian, fianchetto, Yugoslav, 7.O-O	313	46.0%	53.7%	0.21 MB
E66	King's Indian, fianchetto, Yugoslav Panno	388	33.2%	57.6%	0.25 MB
E67	King's Indian, fianchetto with ...Nd7	133	40.6%	57.1%	0.10 MB
E67	King's Indian, fianchetto, classical variation	634	41.6%	54.9%	0.43 MB
E68	King's Indian, fianchetto, classical variation, 8.e4	1474	39.7%	59.9%	0.94 MB
E69	King's Indian, fianchetto, classical main line	560	33.8%	62.4%	0.35 MB
E70	King's Indian, 4.e4	1334	32.8%	58.8%	0.85 MB
E70	King's Indian, Kramer system	516	30.8%	56.9%	0.31 MB
E70	King's Indian, accelerated Averbakh system	197	35.5%	52.8%	0.13 MB
E71	King's Indian, Makagonov system (5.h3)	1035	34.9%	59.7%	0.66 MB
E72	King's Indian with e4 & g3	148	34.5%	55.7%	0.10 MB
E72	King's Indian, Pomar system	60	36.7%	56.7%	0.04 MB
E73	King's Indian, 5.Be2	47	29.8%	59.6%	0.03 MB
E73	King's Indian, Averbakh system	1303	34.3%	56.1%	0.81 MB
E73	King's Indian, Semi-Averbakh system	122	37.7%	58.2%	0.09 MB
E74	King's Indian, Averbakh, 6...c5	510	37.8%	57.9%	0.32 MB
E75	King's Indian, Averbakh, main line	250	33.2%	56.6%	0.15 MB
E76	King's Indian, Four pawns attack	346	36.7%	58.5%	0.22 MB
E76	King's Indian, Four pawns attack, dynamic line	322	37.0%	51.1%	0.19 MB
E77	King's Indian, Four pawns attack	215	31.6%	59.5%	0.14 MB
E77	King's Indian, Four pawns attack, 6.Be2	47	40.4%	45.7%	0.03 MB
E77	King's Indian, Four pawns attack, Florentine gambit	18	38.9%	41.7%	0.01 MB
E78	King's Indian, Four pawns attack, with Be2 and Nf3	111	39.6%	57.7%	0.07 MB
E79	King's Indian, Four pawns attack, main line	55	58.2%	56.4%	0.04 MB
E80	King's Indian, Saemisch variation	682	33.9%	58.9%	0.43 MB
E81	King's Indian, Saemisch, 5...O-O	2806	34.8%	55.1%	1.64 MB
E81	King's Indian, Saemisch, Byrne variation	103	40.8%	57.3%	0.07 MB
E82	King's Indian, Saemisch, double fianchetto variation	193	37.3%	58.5%	0.13 MB
E83	King's Indian, Saemisch, 6...Nc6	176	33.0%	53.4%	0.11 MB
E83	King's Indian, Saemisch, Panno formation	444	37.6%	56.6%	0.29 MB
E83	King's Indian, Saemisch, Ruban variation	21	38.1%	47.6%	0.02 MB
E84	King's Indian, Saemisch, Panno main line	711	36.8%	54.6%	0.45 MB
E85	King's Indian, Saemisch, orthodox variation	194	38.1%	54.6%	0.12 MB
E86	King's Indian, Saemisch, orthodox, 7.Nge2 c6	622	32.2%	53.2%	0.38 MB
E87	King's Indian, Saemisch, orthodox, 7.d5	491	26.5%	56.6%	0.31 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	480	33.8%	57.5%	0.31 MB
E89	King's Indian, Saemisch, orthodox main line	83	30.1%	54.8%	0.05 MB
E90	King's Indian, 5.Nf3	1208	33.0%	56.7%	0.78 MB
E90	King's Indian, Larsen variation	138	34.1%	59.1%	0.11 MB
E90	King's Indian, Zinnowitz variation	70	38.6%	53.6%	0.05 MB
E91	King's Indian, 6.Be2	784	34.8%	64.1%	0.52 MB
E91	King's Indian, Kazakh variation	356	36.5%	57.6%	0.25 MB
E92	King's Indian, Andersson variation	369	55.0%	48.6%	0.24 MB
E92	King's Indian, Gligoric-Taimanov system	1673	35.4%	58.5%	1.08 MB
E92	King's Indian, Petrosian system	141	27.0%	53.2%	0.09 MB
E92	King's Indian, Petrosian system, Stein variation	713	33.1%	53.9%	0.49 MB
E92	King's Indian, classical variation	37	29.7%	47.3%	0.03 MB
E93	King's Indian, Petrosian system, main line	124	32.3%	50.8%	0.09 MB
E94	King's Indian, orthodox variation	1164	38.6%	54.7%	0.76 MB
E94	King's Indian, orthodox, 7...Nbd7	1023	34.8%	59.8%	0.70 MB
E94	King's Indian, orthodox, Donner variation	286	37.1%	60.1%	0.20 MB
E95	King's Indian, orthodox, 7...Nbd7, 8.Re1	529	38.8%	55.7%	0.37 MB
E96	King's Indian, orthodox, 7...Nbd7, main line	101	38.6%	58.9%	0.07 MB
E97	King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)	4520	33.6%	56.0%	2.94 MB
E97	King's Indian, orthodox, Aronin-Taimanov, bayonet attack	1375	35.7%	58.3%	0.79 MB
E98	King's Indian, orthodox, Aronin-Taimanov, 9.Ne1	966	26.9%	61.3%	0.62 MB
E99	King's Indian, orthodox, Aronin-Taimanov, Benko attack	153	21.6%	61.8%	0.09 MB
E99	King's Indian, orthodox, Aronin-Taimanov, main line	69	30.4%	63.0%	0.05 MB