CCRL 40/4

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
A00	Amsterdam attack	4	25.0%	62.5%
A00	Anderssen's opening	34	23.5%	38.2%
A00	Benko's opening	2302	32.5%	50.3%
A00	Benko's opening, reversed Alekhine	32	28.1%	35.9%
A00	Clemenz (Mead's, Basman's or de Klerk's) opening	16	31.3%	34.4%
A00	Dunst (Sleipner, Heinrichsen) opening	132	25.0%	55.7%
A00	Lasker simul special	6	0.0%	66.7%
A00	Mieses opening	12	25.0%	37.5%
A00	Polish (Sokolsky) opening	123	31.7%	50.0%
A00	Polish, Outflank variation	30	33.3%	43.3%
A00	Saragossa opening	39	12.8%	65.4%
A00	Van't Kruijs opening	4	25.0%	37.5%
A00	Ware (Meadow Hay) opening	5	0.0%	40.0%
A01	Nimzovich-Larsen attack	36	13.9%	62.5%
A01	Nimzovich-Larsen attack, Dutch variation	8	0.0%	37.5%
A01	Nimzovich-Larsen attack, English variation	24	41.7%	50.0%
A01	Nimzovich-Larsen attack, Indian variation	50	22.0%	53.0%
A01	Nimzovich-Larsen attack, classical variation	116	30.2%	45.3%
A01	Nimzovich-Larsen attack, modern variation	231	29.9%	51.7%
A01	Nimzovich-Larsen attack, symmetrical variation	13	38.5%	65.4%
A02	Bird's opening	47	8.5%	63.8%
A02	Bird's opening, Swiss gambit	3	0.0%	33.3%
A02	Bird, From gambit	3	0.0%	33.3%
A03	Bird's opening	49	26.5%	52.0%
A03	Bird's opening, Lasker variation	1	0.0%	100.0%
A03	Bird's opening, Williams gambit	2	50.0%	25.0%
A04	Reti opening	3734	29.2%	52.7%
A04	Reti v Dutch	410	26.8%	60.7%
A04	Reti, Lisitsin gambit deferred	5	0.0%	60.0%
A04	Reti, Pirc-Lisitsin gambit	17	47.1%	64.7%
A05	Reti opening	2867	30.8%	52.6%
A05	Reti, King's Indian attack	623	35.8%	54.5%
A05	Reti, King's Indian attack, Reti-Smyslov variation	36	41.7%	65.3%
A05	Reti, King's Indian attack, Spassky's variation	283	36.0%	51.9%
A06	Reti opening	1096	26.4%	57.2%
A06	Reti, Nimzovich-Larsen attack	718	30.1%	49.7%
A06	Reti, old Indian attack	22	13.6%	43.2%
A06	Santasiere's folly	8	12.5%	43.8%
A06	Tennison (Lemberg, Zukertort) gambit	1	0.0%	100.0%
A07	Reti, King's Indian attack	344	27.9%	56.1%
A07	Reti, King's Indian attack (Barcza system)	3304	31.5%	51.8%
A07	Reti, King's Indian attack (with ...c5)	199	30.2%	50.3%
A07	Reti, King's Indian attack, Keres variation	312	36.9%	52.7%
A07	Reti, King's Indian attack, Pachman system	85	31.8%	50.0%
A07	Reti, King's Indian attack, Yugoslav variation	2320	30.8%	53.9%
A08	Reti, King's Indian attack	446	30.9%	51.8%
A08	Reti, King's Indian attack, French variation	715	32.7%	53.1%
A09	Reti accepted	131	27.5%	56.5%
A09	Reti accepted, Keres variation	38	21.1%	65.8%
A09	Reti opening	183	33.3%	56.0%
A09	Reti, advance variation	378	27.8%	48.0%
A10	English opening	1398	29.4%	55.6%
A10	English, Adorjan defence	38	18.4%	53.9%
A10	English, Anglo-Dutch defense	318	32.1%	56.6%
A11	English, Caro-Kann defensive system	392	32.1%	53.1%
A12	English, Bled variation	15	33.3%	50.0%
A12	English, Capablanca's variation	32	31.3%	43.8%
A12	English, Caro-Kann defensive system	47	19.1%	62.8%
A12	English, Caro-Kann defensive system, Bogolyubov variation	33	24.2%	66.7%
A12	English, London defensive system	27	25.9%	38.9%
A12	English, New York (London) defensive system	13	23.1%	34.6%
A12	English, Torre defensive system	43	46.5%	41.9%
A13	English opening	1667	29.3%	54.1%
A13	English opening, Agincourt variation	840	33.6%	50.6%
A13	English, Kurajica defence	54	29.6%	44.4%
A13	English, Neo-Catalan	307	30.3%	55.2%
A13	English, Neo-Catalan accepted	579	33.7%	55.2%
A13	English, Romanishin gambit	94	39.4%	52.7%
A13	English, Wimpey system	73	19.2%	53.4%
A14	English, Neo-Catalan declined	372	37.9%	49.3%
A14	English, Symmetrical, Keres defence	502	36.1%	58.7%
A15	English opening	4061	31.3%	55.3%
A15	English, 1...Nf6 (Anglo-Indian defense)	421	30.6%	52.1%
A16	English opening	341	31.4%	53.8%
A16	English, Anglo-Gruenfeld defense	28	42.9%	50.0%
A16	English, Anglo-Gruenfeld defense, Korchnoi variation	3	33.3%	83.3%
A16	English, Anglo-Gruenfeld, Czech defense	26	30.8%	61.5%
A16	English, Anglo-Gruenfeld, Smyslov defense	22	59.1%	56.8%
A17	English opening	107	36.4%	51.9%
A17	English, Nimzo-English opening	626	32.3%	54.8%
A17	English, Queens Indian formation	83	28.9%	53.0%
A17	English, Queens Indian, Romanishin variation	12	25.0%	54.2%
A18	English, Mikenas-Carls variation	9	44.4%	55.6%
A18	English, Mikenas-Carls, Flohr variation	24	16.7%	70.8%
A18	English, Mikenas-Carls, Kevitz variation	6	0.0%	16.7%
A19	English, Mikenas-Carls, Sicilian variation	76	27.6%	52.0%
A20	English opening	3863	30.4%	54.4%
A20	English, Nimzovich variation	99	24.2%	57.6%
A20	English, Nimzovich, Flohr variation	221	33.9%	44.6%
A21	English opening	1043	27.3%	53.8%
A21	English, Keres variation	9	44.4%	55.6%
A21	English, Kramnik-Shirov counterattack	597	31.8%	49.6%
A21	English, Smyslov defence	7	42.9%	50.0%
A21	English, Troeger defence	103	26.2%	54.9%
A22	English opening	301	31.6%	51.7%
A22	English, Bellon gambit	4	50.0%	50.0%
A22	English, Bremen, Smyslov system	997	33.0%	49.7%
A22	English, Bremen, reverse dragon	534	34.5%	50.0%
A22	English, Carls' Bremen system	198	29.8%	56.3%
A23	English, Bremen system, Keres variation	171	32.2%	51.8%
A24	English, Bremen system with ...g6	19	10.5%	68.4%
A25	English, Sicilian reversed	410	28.8%	52.0%
A25	English, closed system	798	28.6%	54.6%
A25	English, closed system (without ...d6)	90	28.9%	54.4%
A25	English, closed, 5.Rb1	353	30.9%	55.9%
A25	English, closed, 5.Rb1 Taimanov variation	3	33.3%	50.0%
A25	English, closed, Hort variation	25	24.0%	52.0%
A25	English, closed, Taimanov variation	18	33.3%	50.0%
A26	English, Botvinnik system	242	27.3%	49.6%
A26	English, closed system	205	27.8%	54.9%
A27	English, three knights system	161	32.3%	54.7%
A28	English, Bradley Beach variation	55	32.7%	47.3%
A28	English, Nenarokov variation	36	52.8%	48.6%
A28	English, four knights system	168	30.4%	53.3%
A28	English, four knights, 4.e3	425	34.4%	55.3%
A28	English, four knights, Capablanca variation	228	34.6%	52.9%
A28	English, four knights, Marini variation	441	29.3%	55.7%
A28	English, four knights, Nimzovich variation	135	39.3%	53.7%
A28	English, four knights, Romanishin variation	804	35.0%	51.7%
A28	English, four knights, Stean variation	99	33.3%	56.1%
A29	English, four knights, kingside fianchetto	6671	30.7%	51.4%
A30	English, symmetrical variation	3350	30.1%	53.5%
A30	English, symmetrical, hedgehog system	2736	31.4%	55.9%
A30	English, symmetrical, hedgehog, flexible formation	286	38.8%	55.8%
A31	English, symmetrical, Benoni formation	908	29.4%	54.4%
A32	English, symmetrical variation	175	29.1%	54.0%
A33	English, symmetrical variation	863	35.2%	51.9%
A33	English, symmetrical, Geller variation	762	26.5%	53.5%
A34	English, symmetrical variation	706	28.3%	51.7%
A34	English, symmetrical, Rubinstein system	100	38.0%	59.0%
A34	English, symmetrical, three knights system	645	34.3%	52.2%
A35	English, symmetrical variation	144	28.5%	55.9%
A35	English, symmetrical, four knights system	1730	30.4%	53.5%
A36	English, symmetrical variation	59	11.9%	53.4%
A36	English, symmetrical, Botvinnik system	69	31.9%	49.3%
A36	English, symmetrical, Botvinnik system reversed	73	27.4%	54.8%
A36	English, ultra-symmetrical variation	594	30.1%	51.1%
A37	English, symmetrical variation	405	28.1%	54.3%
A37	English, symmetrical, Botvinnik system reversed	321	31.2%	54.2%
A38	English, symmetrical variation	359	32.6%	51.7%
A38	English, symmetrical, main line with b3	8	37.5%	56.3%
A38	English, symmetrical, main line with d3	57	35.1%	47.4%
A39	English, symmetrical, main line with d4	315	33.0%	55.2%
A40	Beefeater defence	40	32.5%	68.8%
A40	Modern defence	539	31.0%	56.3%
A40	Polish defence	14	28.6%	50.0%
A40	Queen's pawn	2730	30.5%	55.2%
A40	Queen's pawn, English defence	8	25.0%	62.5%
A40	Queen's pawn, Franco-Indian (Keres) defence	527	31.1%	55.6%
A40	Queen's pawn, Keres defence	837	28.4%	56.2%
A40	Queen's pawn, Lundin (Kevitz-Mikenas) defence	79	32.9%	54.4%
A41	Modern defence	24	33.3%	45.8%
A41	Old Indian defence	262	25.6%	53.6%
A41	Old Indian, Tartakower (Wade) variation	842	30.3%	59.0%
A41	Queen's Pawn	1555	30.0%	56.7%
A41	Robatsch defence, Rossolimo variation	66	31.8%	52.3%
A42	Modern defence, Averbakh system	149	31.5%	56.7%
A42	Modern defence, Averbakh system, Kotov variation	17	41.2%	50.0%
A42	Pterodactyl defence	1088	28.2%	61.7%
A43	Old Benoni defence	827	30.0%	58.4%
A43	Old Benoni, Franco-Benoni defence	38	26.3%	57.9%
A43	Old Benoni, Mujannah formation	40	20.0%	60.0%
A43	Old Benoni, Schmid's system	2	50.0%	75.0%
A44	Old Benoni defence	16	43.8%	59.4%
A44	Semi-Benoni (`blockade variation')	23	17.4%	43.5%
A45	Blackmar-Diemer gambit	45	31.1%	55.6%
A45	Paleface attack	25	8.0%	32.0%
A45	Queen's pawn game	1814	27.7%	50.6%
A45	Trompovsky attack (Ruth, Opovcensky opening)	1352	28.3%	51.4%
A46	Queen's pawn game	2155	29.2%	55.3%
A46	Queen's pawn, Torre attack	598	27.9%	52.8%
A46	Queen's pawn, Torre attack, Wagner gambit	4	25.0%	37.5%
A46	Queen's pawn, Yusupov-Rubinstein system	325	36.3%	53.5%
A47	Queen's Indian defence	406	29.6%	54.9%
A47	Queen's Indian, Marienbad system	68	20.6%	47.1%
A47	Queen's Indian, Marienbad system, Berg variation	2	50.0%	25.0%
A48	King's Indian, East Indian defence	622	30.7%	50.2%
A48	King's Indian, London system	413	26.4%	53.4%
A48	King's Indian, Torre attack	850	31.8%	50.9%
A49	King's Indian, fianchetto without c4	857	29.3%	53.5%
A50	Kevitz-Trajkovich defence	579	29.2%	50.0%
A50	Queen's Indian accelerated	87	19.5%	62.6%
A50	Queen's pawn game	359	26.7%	52.9%
A51	Budapest defence declined	4	0.0%	75.0%
A51	Budapest, Fajarowicz variation	18	33.3%	61.1%
A52	Budapest defence	3	0.0%	66.7%
A52	Budapest, Adler variation	52	32.7%	54.8%
A52	Budapest, Alekhine variation	14	14.3%	57.1%
A52	Budapest, Alekhine, Abonyi variation	5	0.0%	60.0%
A52	Budapest, Rubinstein variation	64	32.8%	58.6%
A53	Old Indian defence	747	30.8%	57.3%
A53	Old Indian, Janowski variation	52	17.3%	60.6%
A54	Old Indian, Dus-Khotimirsky variation	2	0.0%	50.0%
A54	Old Indian, Ukrainian variation	56	32.1%	57.1%
A54	Old Indian, Ukrainian variation, 4.Nf3	125	23.2%	55.6%
A55	Old Indian, main line	452	31.2%	60.7%
A56	Benoni defence	859	27.0%	61.9%
A56	Benoni defence, Hromodka system	716	20.7%	56.7%
A56	Czech Benoni defence	234	22.2%	67.5%
A56	Czech Benoni, King's Indian system	35	31.4%	70.0%
A57	Benko gambit	390	24.9%	58.1%
A57	Benko gambit half accepted	787	30.2%	56.5%
A57	Benko gambit, Nescafe Frappe attack	2	50.0%	25.0%
A57	Benko gambit, Zaitsev system	47	25.5%	53.2%
A58	Benko gambit accepted	640	31.7%	58.0%
A58	Benko gambit, Nd2 variation	12	25.0%	54.2%
A58	Benko gambit, fianchetto variation	317	24.3%	58.8%
A59	Benko gambit	41	39.0%	58.5%
A59	Benko gambit, 7.e4	9	55.6%	61.1%
A59	Benko gambit, Ne2 variation	15	33.3%	56.7%
A59	Benko gambit, main line	378	32.5%	59.4%
A60	Benoni defence	110	29.1%	55.5%
A61	Benoni defence	514	27.6%	60.3%
A61	Benoni, Nimzovich (knight's tour) variation	451	26.6%	61.9%
A61	Benoni, Uhlmann variation	66	28.8%	55.3%
A61	Benoni, fianchetto variation	9	33.3%	61.1%
A62	Benoni, fianchetto variation	301	25.9%	58.5%
A63	Benoni, fianchetto, 9...Nbd7	40	35.0%	57.5%
A64	Benoni, fianchetto, 11...Re8	177	28.2%	55.9%
A65	Benoni, 6.e4	55	21.8%	47.3%
A66	Benoni, pawn storm variation	6	50.0%	58.3%
A67	Benoni, Taimanov variation	40	22.5%	58.8%
A68	Benoni, four pawns attack	3	0.0%	66.7%
A69	Benoni, four pawns attack, main line	54	38.9%	34.3%
A70	Benoni, classical with e4 and Nf3	686	29.6%	60.0%
A70	Benoni, classical without 9.O-O	1	0.0%	100.0%
A71	Benoni, classical, 8.Bg5	103	23.3%	60.2%
A72	Benoni, classical without 9.O-O	86	31.4%	59.9%
A73	Benoni, classical, 9.O-O	30	26.7%	50.0%
A74	Benoni, classical, 9...a6, 10.a4	11	18.2%	72.7%
A75	Benoni, classical with ...a6 and 10...Bg4	61	29.5%	55.7%
A76	Benoni, classical, 9...Re8	42	19.0%	57.1%
A77	Benoni, classical, 9...Re8, 10.Nd2	214	25.2%	50.0%
A78	Benoni, classical with ...Re8 and ...Na6	52	32.7%	54.8%
A79	Benoni, classical, 11.f3	184	24.5%	66.0%
A80	Dutch	2101	29.1%	55.2%
A80	Dutch, 2.Bg5 variation	484	27.1%	51.8%
A80	Dutch, Korchnoi attack	3	33.3%	16.7%
A80	Dutch, Krejcik gambit	5	60.0%	50.0%
A80	Dutch, Manhattan (Alapin, Ulvestad) variation	9	11.1%	16.7%
A81	Dutch defence	3621	30.2%	58.3%
A81	Dutch defence, Blackburne variation	26	26.9%	63.5%
A81	Dutch, Leningrad, Karlsbad variation	3	0.0%	66.7%
A82	Dutch, Staunton gambit	29	44.8%	50.0%
A82	Dutch, Staunton gambit, Tartakower variation	5	40.0%	60.0%
A83	Dutch, Staunton gambit, Alekhine variation	10	10.0%	75.0%
A83	Dutch, Staunton gambit, Chigorin variation	20	50.0%	65.0%
A83	Dutch, Staunton gambit, Lasker variation	3	0.0%	66.7%
A83	Dutch, Staunton gambit, Nimzovich variation	2	0.0%	50.0%
A83	Dutch, Staunton gambit, Staunton's line	100	22.0%	50.0%
A84	Dutch defence	724	28.7%	59.4%
A84	Dutch defence, Rubinstein variation	375	27.7%	59.5%
A84	Dutch, Staunton gambit deferred	5	40.0%	20.0%
A85	Dutch with c4 & Nc3	180	38.3%	57.5%
A86	Dutch with c4 & g3	54	29.6%	66.7%
A86	Dutch, Leningrad variation	44	27.3%	56.8%
A87	Dutch, Leningrad, main variation	539	28.8%	58.3%
A88	Dutch, Leningrad, main variation with c6	927	33.9%	57.3%
A89	Dutch, Leningrad, main variation with Nc6	642	28.0%	60.4%
A90	Dutch defence	1112	25.6%	57.5%
A90	Dutch defence, Dutch-Indian (Nimzo-Dutch) variation	233	33.5%	60.9%
A90	Dutch-Indian, Alekhine variation	76	27.6%	53.3%
A91	Dutch defence	89	23.6%	55.6%
A92	Dutch defence	46	39.1%	63.0%
A92	Dutch defence, Alekhine variation	63	34.9%	63.5%
A92	Dutch, stonewall variation	104	28.8%	56.7%
A92	Dutch, stonewall with Nc3	6	0.0%	50.0%
A93	Dutch, stonewall, Botwinnik variation	157	23.6%	58.3%
A94	Dutch, stonewall with Ba3	107	37.4%	56.1%
A95	Dutch, stonewall with Nc3	247	26.7%	53.0%
A95	Dutch, stonewall: Chekhover variation	40	30.0%	65.0%
A96	Dutch, classical variation	286	29.4%	65.0%
A97	Dutch, Ilyin-Genevsky variation	22	27.3%	59.1%
A97	Dutch, Ilyin-Genevsky, Winter variation	114	41.2%	63.6%
A98	Dutch, Ilyin-Genevsky variation with Qc2	92	32.6%	63.0%
A99	Dutch, Ilyin-Genevsky variation with b3	276	30.8%	63.6%
B00	KP, Colorado counter	4	25.0%	37.5%
B00	KP, Nimzovich defence	763	25.8%	63.0%
B00	KP, Nimzovich defence, Bogolyubov variation	73	17.8%	63.7%
B00	King's pawn opening	463	26.6%	56.7%
B00	Lemming defence	9	11.1%	83.3%
B00	Owen defence	116	29.3%	56.0%
B00	Reversed Grob (Borg/Basman defence/macho Grob)	7	0.0%	71.4%
B00	St. George (Baker) defence	2	0.0%	100.0%
B01	Scandinavian (centre counter) defence	1112	26.4%	64.5%
B01	Scandinavian defence	346	29.2%	49.9%
B01	Scandinavian defence, Gruenfeld variation	12	33.3%	58.3%
B01	Scandinavian defence, Lasker variation	42	33.3%	64.3%
B01	Scandinavian gambit	60	30.0%	45.0%
B01	Scandinavian, Anderssen counter-attack, Goteborg system	1	0.0%	100.0%
B01	Scandinavian, Icelandic gambit	28	46.4%	55.4%
B01	Scandinavian, Kiel variation	2	50.0%	25.0%
B01	Scandinavian, Marshall variation	238	34.0%	58.6%
B01	Scandinavian, Mieses-Kotrvc gambit	1	0.0%	0.0%
B01	Scandinavian, Pytel-Wade variation	194	34.0%	60.8%
B01	Scandinavian, Richter variation	3	33.3%	50.0%
B02	Alekhine's defence	57	31.6%	61.4%
B02	Alekhine's defence, Brooklyn defence	3	33.3%	83.3%
B02	Alekhine's defence, Kmoch variation	1	0.0%	100.0%
B02	Alekhine's defence, Krejcik variation	4	75.0%	37.5%
B02	Alekhine's defence, Maroczy variation	18	44.4%	55.6%
B02	Alekhine's defence, Mokele Mbembe (Buecker) variation	23	21.7%	63.0%
B02	Alekhine's defence, Saemisch attack	55	20.0%	59.1%
B02	Alekhine's defence, Scandinavian variation	48	29.2%	54.2%
B02	Alekhine's defence, Spielmann variation	3	0.0%	66.7%
B02	Alekhine's defence, Two pawns' (Lasker's) attack	32	34.4%	48.4%
B02	Alekhine's defence, Welling variation	4	0.0%	25.0%
B03	Alekhine's defence	446	24.7%	51.6%
B03	Alekhine's defence, Balogh variation	15	20.0%	50.0%
B03	Alekhine's defence, O'Sullivan gambit	2	50.0%	75.0%
B03	Alekhine's defence, exchange variation	332	29.2%	60.7%
B03	Alekhine's defence, exchange, Karpov variation	4	50.0%	50.0%
B03	Alekhine's defence, four pawns attack	12	8.3%	70.8%
B03	Alekhine's defence, four pawns attack, 6...Nc6	2	0.0%	50.0%
B03	Alekhine's defence, four pawns attack, 7.Be3	46	39.1%	65.2%
B03	Alekhine's defence, four pawns attack, Ilyin-Genevsky var.	2	0.0%	50.0%
B03	Alekhine's defence, four pawns attack, Trifunovic variation	12	0.0%	50.0%
B03	Alekhine's defence, four pawns attack, fianchetto variation	12	41.7%	70.8%
B04	Alekhine's defence, modern variation	136	23.5%	59.6%
B04	Alekhine's defence, modern, Keres variation	63	31.7%	60.3%
B04	Alekhine's defence, modern, Larsen variation	315	30.5%	59.0%
B04	Alekhine's defence, modern, Schmid variation	110	28.2%	64.1%
B04	Alekhine's defence, modern, fianchetto variation	261	33.7%	60.2%
B05	Alekhine's defence, modern variation, 4...Bg4	240	26.7%	64.6%
B05	Alekhine's defence, modern, Alekhine variation	2	50.0%	75.0%
B05	Alekhine's defence, modern, Flohr variation	74	39.2%	58.8%
B05	Alekhine's defence, modern, Panov variation	4	25.0%	62.5%
B06	Robatsch (modern) defence	3945	31.1%	56.6%
B06	Robatsch defence	584	27.4%	59.4%
B06	Robatsch defence, Gurgenidze variation	58	27.6%	60.3%
B06	Robatsch defence, Pseudo-Austrian attack	361	24.9%	60.9%
B06	Robatsch defence, Two knights variation	513	30.6%	58.0%
B06	Robatsch defence, Two knights, Suttles variation	2331	35.0%	59.5%
B06	Robatsch defence, three pawns attack	13	30.8%	53.8%
B07	Pirc defence	564	29.3%	53.6%
B07	Pirc, 150 attack	174	31.6%	58.9%
B07	Pirc, Byrne variation	152	25.7%	57.6%
B07	Pirc, Holmov system	14	35.7%	53.6%
B07	Pirc, Sveshnikov system	160	30.6%	54.1%
B07	Pirc, Ufimtsev-Pytel variation	361	26.3%	58.0%
B07	Pirc, bayonet (Mariotti) attack	29	20.7%	69.0%
B07	Robatsch defence, Geller's system	800	32.9%	55.8%
B08	Pirc, classical (two knights) system	286	32.5%	52.3%
B08	Pirc, classical system, 5.Be2	1555	32.8%	57.5%
B08	Pirc, classical, h3 system	258	33.7%	56.8%
B09	Pirc, Austrian attack	232	30.6%	55.8%
B09	Pirc, Austrian attack, 6.Bd3	1260	33.3%	59.5%
B09	Pirc, Austrian attack, 6.Be3	261	25.7%	52.7%
B09	Pirc, Austrian attack, 6.e5	131	30.5%	58.0%
B09	Pirc, Austrian attack, Ljubojevic variation	4	0.0%	100.0%
B09	Pirc, Austrian attack, dragon formation	458	39.7%	55.0%
B10	Caro-Kann defence	1470	26.0%	53.5%
B10	Caro-Kann, Goldman (Spielmann) variation	12	16.7%	50.0%
B10	Caro-Kann, Two knights variation	201	28.9%	57.7%
B10	Caro-Kann, anti-Caro-Kann defence	517	27.1%	57.1%
B10	Caro-Kann, anti-anti-Caro-Kann defence	822	41.5%	53.2%
B10	Caro-Kann, closed (Breyer) variation	203	32.5%	53.7%
B11	Caro-Kann, Two knights, 3...Bg4	235	31.1%	52.6%
B12	Caro-Kann defence	270	25.2%	54.4%
B12	Caro-Kann, 3.Nd2	205	24.9%	58.3%
B12	Caro-Kann, Edinburgh variation	34	17.6%	67.6%
B12	Caro-Kann, Tartakower (fantasy) variation	289	33.6%	51.7%
B12	Caro-Kann, advance variation	3844	27.4%	54.6%
B12	Caro-Kann, advance, Short variation	15	20.0%	70.0%
B12	Caro-Masi defence	6	33.3%	66.7%
B12	de Bruycker defence	5	20.0%	30.0%
B13	Caro-Kann, Panov-Botvinnik attack	474	33.5%	53.1%
B13	Caro-Kann, Panov-Botvinnik, Czerniak variation	15	20.0%	56.7%
B13	Caro-Kann, Panov-Botvinnik, Gunderam attack	2	0.0%	100.0%
B13	Caro-Kann, Panov-Botvinnik, Herzog defence	12	41.7%	45.8%
B13	Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation	3	0.0%	100.0%
B13	Caro-Kann, Panov-Botvinnik, normal variation	114	37.7%	54.8%
B13	Caro-Kann, exchange variation	444	28.4%	51.6%
B13	Caro-Kann, exchange, Rubinstein variation	69	40.6%	58.0%
B14	Caro-Kann, Panov-Botvinnik attack, 5...e6	1617	33.9%	54.5%
B14	Caro-Kann, Panov-Botvinnik attack, 5...g6	186	39.8%	61.8%
B15	Caro-Kann defence	206	24.8%	50.2%
B15	Caro-Kann, Alekhine gambit	10	40.0%	60.0%
B15	Caro-Kann, Forgacs variation	43	34.9%	52.3%
B15	Caro-Kann, Gurgenidze counter-attack	1	0.0%	100.0%
B15	Caro-Kann, Gurgenidze system	226	35.0%	55.1%
B15	Caro-Kann, Rasa-Studier gambit	3	66.7%	66.7%
B15	Caro-Kann, Tartakower (Nimzovich) variation	104	24.0%	55.3%
B16	Caro-Kann, Bronstein-Larsen variation	222	22.1%	66.0%
B17	Caro-Kann, Steinitz variation	2909	29.2%	53.3%
B18	Caro-Kann, classical variation	405	26.7%	52.1%
B18	Caro-Kann, classical, 6.h4	507	29.6%	55.2%
B18	Caro-Kann, classical, Flohr variation	41	41.5%	54.9%
B18	Caro-Kann, classical, Maroczy attack	8	25.0%	62.5%
B19	Caro-Kann, classical, 7...Nd7	118	28.0%	49.6%
B19	Caro-Kann, classical, Spassky variation	3616	28.8%	56.7%
B20	Sicilian defence	1369	26.1%	50.5%
B20	Sicilian, Gloria variation	1	0.0%	0.0%
B20	Sicilian, Keres variation (2.Ne2)	134	26.1%	48.9%
B20	Sicilian, Steinitz variation	420	29.0%	51.9%
B20	Sicilian, wing gambit	4	25.0%	37.5%
B20	Sicilian, wing gambit, Carlsbad variation	1	0.0%	0.0%
B20	Sicilian, wing gambit, Marshall variation	1	100.0%	50.0%
B21	Sicilian, Andreaschek gambit	2	0.0%	50.0%
B21	Sicilian, Grand Prix attack	463	32.2%	49.1%
B21	Sicilian, Smith-Morra gambit	92	22.8%	51.6%
B22	Sicilian, 2.c3, Heidenfeld variation	26	26.9%	40.4%
B22	Sicilian, Alapin's variation (2.c3)	4486	34.5%	53.3%
B23	Sicilian, Grand Prix attack	255	30.2%	52.0%
B23	Sicilian, Grand Prix attack, Schofman variation	13	46.2%	46.2%
B23	Sicilian, chameleon variation	155	34.2%	59.0%
B23	Sicilian, closed	1197	27.4%	51.0%
B23	Sicilian, closed, 2...Nc6	868	29.0%	55.1%
B23	Sicilian, closed, Korchnoi variation	51	35.3%	41.2%
B24	Sicilian, closed	233	25.3%	47.4%
B24	Sicilian, closed, Smyslov variation	4	50.0%	75.0%
B25	Sicilian, closed	93	22.6%	54.3%
B25	Sicilian, closed, 6.Ne2 e5 (Botvinnik)	29	24.1%	39.7%
B25	Sicilian, closed, 6.f4	305	27.2%	46.4%
B25	Sicilian, closed, 6.f4 e5 (Botvinnik)	49	24.5%	53.1%
B26	Sicilian, closed, 6.Be3	340	23.5%	48.5%
B27	Sicilian defence	12	33.3%	75.0%
B27	Sicilian, Acton extension	3	33.3%	16.7%
B27	Sicilian, Hungarian variation	10690	34.7%	57.3%
B27	Sicilian, Katalimov variation	33	33.3%	56.1%
B27	Sicilian, Quinteros variation	1	0.0%	100.0%
B28	Sicilian, O'Kelly variation	129	36.4%	51.6%
B29	Sicilian, Nimzovich-Rubinstein variation	96	25.0%	62.5%
B29	Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit	26	23.1%	53.8%
B30	Sicilian defence	1420	30.0%	51.7%
B30	Sicilian, Nimzovich-Rossolimo attack (without ...d6)	2730	30.0%	53.7%
B31	Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)	2362	31.6%	53.7%
B31	Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation	9	33.3%	50.0%
B32	Sicilian defence	669	30.8%	48.1%
B32	Sicilian, Flohr variation	57	28.1%	54.4%
B32	Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation	744	33.3%	55.9%
B32	Sicilian, Labourdonnais-Loewenthal variation	211	25.6%	61.1%
B32	Sicilian, Nimzovich variation	5	20.0%	70.0%
B33	Sicilian defence	565	30.3%	47.9%
B33	Sicilian, Pelikan (Lasker/Sveshnikov) variation	439	33.3%	55.6%
B33	Sicilian, Pelikan, Bird variation	87	28.7%	59.2%
B33	Sicilian, Pelikan, Chelyabinsk variation	3545	29.3%	55.0%
B33	Sicilian, Sveshnikov variation	2455	25.4%	53.4%
B34	Sicilian, accelerated fianchetto, exchange variation	4	75.0%	37.5%
B34	Sicilian, accelerated fianchetto, modern variation	370	34.9%	53.1%
B35	Sicilian, accelerated fianchetto, modern variation with Bc4	2875	37.4%	52.9%
B36	Sicilian, accelerated fianchetto, Gurgenidze variation	268	39.2%	56.5%
B36	Sicilian, accelerated fianchetto, Maroczy bind	1006	39.0%	56.5%
B37	Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg7	230	38.7%	53.3%
B37	Sicilian, accelerated fianchetto, Simagin variation	10	30.0%	45.0%
B38	Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3	2785	41.6%	56.3%
B39	Sicilian, accelerated fianchetto, Breyer variation	1450	33.8%	62.5%
B40	Sicilian defence	3897	31.1%	52.5%
B40	Sicilian, Anderssen variation	672	34.1%	53.2%
B40	Sicilian, Marshall variation	4	0.0%	25.0%
B40	Sicilian, Pin variation (Sicilian counter-attack)	17	17.6%	67.6%
B40	Sicilian, Pin, Jaffe variation	1	0.0%	100.0%
B40	Sicilian, Pin, Koch variation	28	35.7%	57.1%
B41	Sicilian, Kan variation	164	31.1%	50.3%
B41	Sicilian, Kan, Maroczy bind (Reti variation)	235	30.6%	51.5%
B41	Sicilian, Kan, Maroczy bind - Bronstein variation	28	28.6%	53.6%
B42	Sicilian, Kan, 5.Bd3	3713	29.8%	56.8%
B42	Sicilian, Kan, Gipslis variation	200	31.5%	56.3%
B42	Sicilian, Kan, Polugaievsky variation	2090	27.4%	53.8%
B42	Sicilian, Kan, Swiss cheese variation	225	30.7%	55.8%
B43	Sicilian, Kan, 5.Nc3	3157	31.5%	53.4%
B44	Sicilian defence	340	30.9%	54.6%
B44	Sicilian, Szen (`anti-Taimanov') variation	539	31.2%	51.6%
B44	Sicilian, Szen variation, Dely-Kasparov gambit	8	37.5%	56.3%
B44	Sicilian, Szen, hedgehog variation	489	32.1%	45.5%
B45	Sicilian, Taimanov variation	1581	28.9%	55.1%
B45	Sicilian, Taimanov, American attack	11	27.3%	50.0%
B46	Sicilian, Taimanov variation	3621	31.5%	54.4%
B47	Sicilian, Taimanov (Bastrikov) variation	7468	31.9%	54.5%
B48	Sicilian, Taimanov variation	3070	29.6%	51.4%
B49	Sicilian, Taimanov variation	882	34.0%	54.0%
B50	Sicilian	1972	28.6%	52.3%
B51	Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack	1088	32.9%	54.0%
B52	Sicilian, Canal-Sokolsky attack, 3...Bd7	678	32.7%	52.9%
B52	Sicilian, Canal-Sokolsky attack, Bronstein gambit	160	30.0%	44.4%
B52	Sicilian, Canal-Sokolsky attack, Sokolsky variation	424	41.7%	54.8%
B53	Sicilian, Chekhover variation	390	36.9%	49.0%
B53	Sicilian, Chekhover, Zaitsev variation	22	13.6%	56.8%
B54	Sicilian	663	28.5%	54.4%
B54	Sicilian, Prins (Moscow) variation	326	31.3%	51.2%
B55	Sicilian, Prins variation, Venice attack	42	26.2%	51.2%
B56	Sicilian	1723	27.5%	53.7%
B56	Sicilian, Venice attack	42	28.6%	61.9%
B57	Sicilian, Magnus Smith trap	22	22.7%	61.4%
B57	Sicilian, Sozin, Benko variation	2154	32.4%	49.9%
B57	Sicilian, Sozin, not Scheveningen	256	32.8%	55.1%
B58	Sicilian, Boleslavsky variation	685	32.8%	50.1%
B58	Sicilian, Boleslavsky, Louma variation	13	23.1%	50.0%
B58	Sicilian, classical	219	33.3%	46.3%
B59	Sicilian, Boleslavsky variation, 7.Nb3	89	40.4%	53.9%
B60	Sicilian, Richter-Rauzer	267	29.2%	54.7%
B60	Sicilian, Richter-Rauzer, Bondarevsky variation	12	25.0%	54.2%
B60	Sicilian, Richter-Rauzer, Larsen variation	143	26.6%	53.1%
B61	Sicilian, Richter-Rauzer, Larsen variation, 7.Qd2	411	29.4%	61.7%
B62	Sicilian, Richter-Rauzer, 6...e6	47	23.4%	35.1%
B62	Sicilian, Richter-Rauzer, Keres variation	108	21.3%	47.7%
B62	Sicilian, Richter-Rauzer, Margate (Alekhine) variation	74	31.1%	50.7%
B62	Sicilian, Richter-Rauzer, Podvebrady variation	15	20.0%	50.0%
B63	Sicilian, Richter-Rauzer, Rauzer attack	154	33.8%	56.5%
B63	Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7	1133	24.8%	51.8%
B64	Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f4	730	30.7%	54.1%
B64	Sicilian, Richter-Rauzer, Rauzer attack, Geller variation	9	11.1%	83.3%
B65	Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4	1192	33.1%	54.5%
B66	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6	13390	26.1%	50.6%
B67	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7	6075	25.6%	52.6%
B68	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7	185	27.6%	48.4%
B69	Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6	741	23.2%	56.0%
B70	Sicilian, dragon variation	429	28.4%	47.6%
B71	Sicilian, dragon, Levenfish variation	25	36.0%	46.0%
B71	Sicilian, dragon, Levenfish; Flohr variation	4	50.0%	50.0%
B72	Sicilian, dragon, 6.Be3	44	27.3%	56.8%
B72	Sicilian, dragon, classical attack	12	33.3%	58.3%
B72	Sicilian, dragon, classical, Amsterdam variation	28	32.1%	41.1%
B72	Sicilian, dragon, classical, Grigoriev variation	8	37.5%	56.3%
B72	Sicilian, dragon, classical, Nottingham variation	26	19.2%	48.1%
B73	Sicilian, dragon, classical, 8.O-O	96	28.1%	58.9%
B73	Sicilian, dragon, classical, Richter variation	166	38.6%	50.0%
B73	Sicilian, dragon, classical, Zollner gambit	7	28.6%	14.3%
B74	Sicilian, dragon, classical, 9.Nb3	158	35.4%	53.2%
B74	Sicilian, dragon, classical, Alekhine variation	26	3.8%	63.5%
B74	Sicilian, dragon, classical, Reti-Tartakower variation	189	34.9%	55.0%
B74	Sicilian, dragon, classical, Spielmann variation	73	34.2%	54.1%
B75	Sicilian, dragon, Yugoslav attack	144	35.4%	55.9%
B76	Sicilian, dragon, Yugoslav attack, 7...O-O	244	29.1%	42.0%
B76	Sicilian, dragon, Yugoslav attack, Rauser variation	856	26.5%	56.5%
B77	Sicilian, dragon, Yugoslav attack, 9...Bd7	434	24.9%	54.6%
B77	Sicilian, dragon, Yugoslav attack, 9.Bc4	75	24.0%	62.7%
B77	Sicilian, dragon, Yugoslav attack, Byrne variation	5	20.0%	50.0%
B78	Sicilian, dragon, Yugoslav attack, 10.O-O-O	725	24.4%	52.3%
B79	Sicilian, dragon, Yugoslav attack, 12.h4	156	29.5%	66.0%
B80	Sicilian, Scheveningen variation	1054	24.0%	54.1%
B80	Sicilian, Scheveningen, English variation	364	22.5%	54.4%
B80	Sicilian, Scheveningen, Vitolins variation	42	14.3%	42.9%
B80	Sicilian, Scheveningen, fianchetto variation	384	33.1%	53.0%
B81	Sicilian, Scheveningen, Keres attack	3798	26.0%	59.6%
B82	Sicilian, Scheveningen, 6.f4	664	28.5%	53.8%
B82	Sicilian, Scheveningen, Tal variation	100	19.0%	54.5%
B83	Sicilian, Scheveningen, 6.Be2	531	31.6%	49.7%
B83	Sicilian, modern Scheveningen	485	30.1%	51.3%
B83	Sicilian, modern Scheveningen, main line	653	34.9%	51.8%
B83	Sicilian, modern Scheveningen, main line with Nb3	165	26.1%	49.4%
B84	Sicilian, Scheveningen (Paulsen), classical variation	5400	29.8%	51.8%
B84	Sicilian, Scheveningen, classical, Nd7 system	50	20.0%	50.0%
B85	Sicilian, Scheveningen, classical	209	37.8%	52.9%
B85	Sicilian, Scheveningen, classical main line	596	37.9%	53.2%
B85	Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6	6	33.3%	50.0%
B85	Sicilian, Scheveningen, classical, Maroczy system	96	30.2%	54.7%
B86	Sicilian, Sozin attack	133	22.6%	40.6%
B87	Sicilian, Sozin with ...a6 and ...b5	1338	29.1%	49.4%
B88	Sicilian, Sozin, Fischer variation	35	28.6%	57.1%
B88	Sicilian, Sozin, Leonhardt variation	350	32.6%	50.6%
B89	Sicilian, Sozin, 7.Be3	1752	27.7%	50.6%
B89	Sicilian, Velimirovic attack	1286	22.7%	50.4%
B90	Sicilian, Najdorf	1949	26.1%	51.9%
B90	Sicilian, Najdorf, Adams attack	190	24.2%	58.4%
B90	Sicilian, Najdorf, Byrne (English) attack	18361	23.8%	52.8%
B90	Sicilian, Najdorf, Lipnitzky attack	1191	28.7%	46.9%
B91	Sicilian, Najdorf, Zagreb (fianchetto) variation	530	28.3%	54.2%
B92	Sicilian, Najdorf, Opovcensky variation	5011	32.1%	52.6%
B93	Sicilian, Najdorf, 6.f4	1908	30.9%	50.3%
B94	Sicilian, Najdorf, 6.Bg5	244	25.4%	48.4%
B95	Sicilian, Najdorf, 6...e6	223	30.0%	47.8%
B96	Sicilian, Najdorf, 7.f4	474	29.7%	50.9%
B96	Sicilian, Najdorf, Polugayevsky variation	81	25.9%	53.7%
B96	Sicilian, Najdorf, Polugayevsky, Simagin variation	21	28.6%	52.4%
B97	Sicilian, Najdorf, 7...Qb6	1449	23.9%	44.2%
B97	Sicilian, Najdorf, Poisoned pawn variation	2164	34.7%	46.6%
B98	Sicilian, Najdorf variation	132	25.8%	49.2%
B98	Sicilian, Najdorf, 7...Be7	36	30.6%	62.5%
B98	Sicilian, Najdorf, Browne variation	62	41.9%	61.3%
B98	Sicilian, Najdorf, Goteborg (Argentine) variation	6	16.7%	25.0%
B99	Sicilian, Najdorf, 7...Be7 main line	2096	20.8%	55.2%
C00	French defence	742	24.8%	53.5%
C00	French defence, Steiner variation	412	31.3%	47.0%
C00	French, Alapin variation	6	50.0%	58.3%
C00	French, Chigorin variation	938	27.2%	51.8%
C00	French, King's Indian attack	3443	32.6%	51.7%
C00	French, Labourdonnais variation	298	33.6%	50.7%
C00	French, Pelikan variation	36	30.6%	56.9%
C00	French, Reti (Spielmann) variation	44	20.5%	48.9%
C00	French, Reversed Philidor formation	41	26.8%	45.1%
C00	French, Schlechter variation	299	33.4%	51.2%
C00	French, Two knights variation	74	17.6%	38.5%
C00	French, Wing gambit	8	25.0%	75.0%
C00	Lengfellner system	19	26.3%	55.3%
C00	St. George defence	96	19.8%	57.8%
C01	French, exchange variation	1130	31.2%	53.8%
C01	French, exchange, Bogolyubov variation	1	0.0%	100.0%
C01	French, exchange, Svenonius variation	40	32.5%	56.3%
C02	French, advance variation	908	25.3%	55.1%
C02	French, advance, Euwe variation	721	23.4%	50.7%
C02	French, advance, Milner-Barry gambit	40	22.5%	56.3%
C02	French, advance, Nimzovich system	247	16.2%	45.3%
C02	French, advance, Nimzovich variation	1	0.0%	0.0%
C02	French, advance, Paulsen attack	905	23.8%	54.3%
C02	French, advance, Steinitz variation	283	33.6%	50.4%
C02	French, advance, Wade variation	214	21.5%	56.1%
C03	French, Tarrasch	1113	32.2%	54.8%
C03	French, Tarrasch, Guimard variation	74	27.0%	58.1%
C04	French, Tarrasch, Guimard main line	206	21.4%	58.3%
C05	French, Tarrasch, Botvinnik variation	113	28.3%	58.4%
C05	French, Tarrasch, closed variation	1089	25.1%	58.3%
C06	French, Tarrasch, Leningrad variation	24	20.8%	60.4%
C06	French, Tarrasch, closed variation, main line	2062	32.6%	56.4%
C07	French, Tarrasch, Eliskases variation	14	42.9%	50.0%
C07	French, Tarrasch, open variation	2648	34.8%	52.0%
C08	French, Tarrasch, open, 4.ed ed	1336	36.7%	52.9%
C09	French, Tarrasch, open variation, main line	1667	38.4%	56.0%
C10	French, Fort Knox variation	214	33.2%	57.2%
C10	French, Frere (Becker) variation	26	26.9%	55.8%
C10	French, Paulsen variation	602	26.4%	58.4%
C10	French, Rubinstein variation	948	32.3%	52.7%
C10	French, Rubinstein, Capablanca line	1	100.0%	50.0%
C11	French defence	249	30.5%	49.0%
C11	French, Burn variation	4297	29.7%	53.1%
C11	French, Henneberger variation	26	30.8%	30.8%
C11	French, Steinitz variation	604	25.2%	52.2%
C11	French, Steinitz, Boleslavsky variation	1930	28.4%	54.1%
C11	French, Steinitz, Bradford attack	3	0.0%	66.7%
C11	French, Steinitz, Gledhill attack	5	60.0%	50.0%
C11	French, Swiss variation	60	26.7%	51.7%
C12	French, MacCutcheon variation	123	33.3%	49.2%
C12	French, MacCutcheon, Bernstein variation	1	0.0%	0.0%
C12	French, MacCutcheon, Bogolyubov variation	7	28.6%	71.4%
C12	French, MacCutcheon, Chigorin variation	5	40.0%	60.0%
C12	French, MacCutcheon, Dr. Olland (Dutch) variation	19	5.3%	55.3%
C12	French, MacCutcheon, Duras variation	3	66.7%	66.7%
C12	French, MacCutcheon, Grigoriev variation	4	25.0%	37.5%
C12	French, MacCutcheon, Janowski variation	74	24.3%	55.4%
C12	French, MacCutcheon, Lasker variation	193	19.2%	54.7%
C12	French, MacCutcheon, Lasker variation, 8...g6	542	25.3%	52.5%
C12	French, MacCutcheon, Tartakower variation	1	100.0%	50.0%
C12	French, MacCutcheon, advance variation	2	50.0%	75.0%
C13	French, Albin-Alekhine-Chatard attack	47	31.9%	75.5%
C13	French, Albin-Alekhine-Chatard attack, Breyer variation	45	42.2%	54.4%
C13	French, Albin-Alekhine-Chatard attack, Maroczy variation	4	25.0%	62.5%
C13	French, Albin-Alekhine-Chatard attack, Spielmann variation	15	26.7%	66.7%
C13	French, Albin-Alekhine-Chatard attack, Teichmann variation	3	33.3%	83.3%
C13	French, classical	12	8.3%	45.8%
C13	French, classical, Anderssen variation	14	14.3%	28.6%
C13	French, classical, Anderssen-Richter variation	6	16.7%	25.0%
C13	French, classical, Frankfurt variation	9	22.2%	66.7%
C13	French, classical, Tartakower variation	12	16.7%	66.7%
C13	French, classical, Vistaneckis (Nimzovich) variation	2	0.0%	0.0%
C14	French, classical variation	9	11.1%	27.8%
C14	French, classical, Alapin variation	27	25.9%	57.4%
C14	French, classical, Pollock variation	4	0.0%	25.0%
C14	French, classical, Rubinstein variation	20	25.0%	57.5%
C14	French, classical, Stahlberg variation	4	50.0%	50.0%
C14	French, classical, Steinitz variation	523	29.1%	58.7%
C14	French, classical, Tarrasch variation	1	0.0%	100.0%
C15	French, Winawer (Nimzovich) variation	557	33.4%	56.0%
C15	French, Winawer, Alekhine (Maroczy) gambit	232	25.9%	55.6%
C15	French, Winawer, Alekhine gambit	1	0.0%	0.0%
C15	French, Winawer, Alekhine gambit, Alatortsev variation	1	100.0%	50.0%
C15	French, Winawer, Alekhine gambit, Kan variation	97	36.1%	51.0%
C15	French, Winawer, Kondratiyev variation	3	66.7%	66.7%
C15	French, Winawer, fingerslip variation	5	20.0%	70.0%
C16	French, Winawer, Petrosian variation	123	20.3%	52.4%
C16	French, Winawer, advance variation	523	22.2%	53.5%
C17	French, Winawer, advance variation	41	22.0%	54.9%
C17	French, Winawer, advance, 5.a3	434	26.3%	56.0%
C17	French, Winawer, advance, Bogolyubov variation	169	29.6%	56.2%
C17	French, Winawer, advance, Russian variation	28	25.0%	41.1%
C18	French, Winawer, advance variation	151	26.5%	59.6%
C18	French, Winawer, classical variation	332	22.9%	59.3%
C19	French, Winawer, advance, 6...Ne7	166	24.1%	55.4%
C19	French, Winawer, advance, Smyslov variation	144	27.8%	56.9%
C19	French, Winawer, advance, poisoned pawn variation	3968	25.6%	59.6%
C19	French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation	10	30.0%	65.0%
C19	French, Winawer, advance, poisoned pawn, Konstantinopolsky variation	878	25.5%	59.5%
C19	French, Winawer, advance, positional main line	1949	24.9%	56.9%
C20	Alapin's opening	8	25.0%	50.0%
C20	KP, Indian opening	3	0.0%	33.3%
C20	KP, King's head opening	1	100.0%	50.0%
C20	KP, Lopez opening	14	21.4%	46.4%
C20	KP, Mengarini's opening	2	50.0%	25.0%
C20	King's pawn game	20	30.0%	50.0%
C21	Centre game	190	47.4%	65.8%
C21	Danish gambit, Collijn defence	2	0.0%	50.0%
C21	Danish gambit, Soerensen defence	12	50.0%	66.7%
C21	Halasz gambit	10	30.0%	75.0%
C22	Centre game	6	16.7%	91.7%
C22	Centre game, Berger variation	232	17.2%	63.4%
C22	Centre game, Paulsen attack	13	23.1%	57.7%
C23	Bishop's opening	99	27.3%	53.0%
C23	Bishop's opening, Classical variation	27	22.2%	55.6%
C23	Bishop's opening, Lewis counter-gambit	2	0.0%	0.0%
C23	Bishop's opening, Lewis gambit	2	50.0%	25.0%
C23	Bishop's opening, Philidor counter-attack	28	39.3%	69.6%
C23	Bishop's opening, Philidor variation	8	37.5%	56.3%
C24	Bishop's opening, Berlin defence	344	32.8%	55.4%
C24	Bishop's opening, Ponziani gambit	2	0.0%	0.0%
C24	Bishop's opening, Urusov gambit	3	33.3%	50.0%
C24	Bishop's opening, Urusov gambit, Panov variation	3	0.0%	100.0%
C25	Vienna gambit	14	21.4%	53.6%
C25	Vienna game	324	34.9%	48.9%
C25	Vienna game, Max Lange defence	18	33.3%	38.9%
C25	Vienna, Hamppe-Allgaier gambit	2	0.0%	0.0%
C25	Vienna, Paulsen variation	44	29.5%	48.9%
C25	Vienna, Pierce gambit	4	0.0%	0.0%
C25	Vienna, Steinitz gambit	3	0.0%	66.7%
C25	Vienna, Steinitz gambit, Fraser-Minckwitz variation	2	50.0%	75.0%
C26	Vienna game	66	16.7%	61.4%
C26	Vienna, Falkbeer variation	44	27.3%	50.0%
C26	Vienna, Mengarini variation	1	0.0%	100.0%
C26	Vienna, Paulsen-Mieses variation	151	36.4%	52.0%
C27	Boden-Kieseritsky gambit	7	0.0%	57.1%
C27	Boden-Kieseritsky gambit, Lichtenhein defence	2	50.0%	25.0%
C27	Vienna game	22	40.9%	25.0%
C27	Vienna, Alekhine variation	9	22.2%	44.4%
C27	Vienna, `Frankenstein-Dracula' variation	11	18.2%	54.5%
C28	Vienna game	117	21.4%	52.6%
C29	Vienna gambit	21	33.3%	45.2%
C29	Vienna gambit, Bardeleben variation	2	0.0%	0.0%
C29	Vienna gambit, Breyer variation	32	18.8%	65.6%
C29	Vienna gambit, Kaufmann variation	1	100.0%	50.0%
C29	Vienna gambit, Paulsen attack	2	0.0%	100.0%
C29	Vienna gambit, Steinitz variation	5	60.0%	50.0%
C30	KGD, 2...Nf6	2	0.0%	0.0%
C30	KGD, Keene's defence	2	0.0%	50.0%
C30	KGD, Mafia defence	6	0.0%	83.3%
C30	KGD, Norwalde variation	1	100.0%	50.0%
C30	KGD, classical variation	68	20.6%	54.4%
C30	KGD, classical, 4.c3	18	33.3%	50.0%
C30	KGD, classical, Reti variation	1	0.0%	100.0%
C30	KGD, classical, Soldatenkov variation	4	25.0%	62.5%
C30	King's gambit	12	16.7%	50.0%
C31	KGD, Falkbeer counter-gambit	5	0.0%	60.0%
C31	KGD, Falkbeer, 4.d3	1	0.0%	100.0%
C31	KGD, Falkbeer, Morphy gambit	2	0.0%	50.0%
C31	KGD, Falkbeer, Nimzovich variation	2	0.0%	0.0%
C31	KGD, Nimzovich counter-gambit	8	12.5%	43.8%
C32	KGD, Falkbeer, 5.de	2	0.0%	50.0%
C32	KGD, Falkbeer, Charousek gambit	1	0.0%	0.0%
C32	KGD, Falkbeer, Reti variation	2	50.0%	25.0%
C32	KGD, Falkbeer, main line, 7...Bf5	2	50.0%	25.0%
C33	KGA, Breyer gambit	4	0.0%	0.0%
C33	KGA, Carrera (Basman) gambit	4	50.0%	25.0%
C33	KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit	3	0.0%	33.3%
C33	KGA, bishop's gambit	7	28.6%	42.9%
C33	KGA, bishop's gambit, Anderssen variation	1	0.0%	0.0%
C33	KGA, bishop's gambit, Bledow variation	12	25.0%	20.8%
C33	KGA, bishop's gambit, Bogolyubov variation	4	25.0%	62.5%
C33	KGA, bishop's gambit, Boren-Svenonius variation	1	0.0%	0.0%
C33	KGA, bishop's gambit, Cozio (Morphy) defence	1	100.0%	50.0%
C33	KGA, bishop's gambit, Jaenisch variation	17	23.5%	41.2%
C33	KGA, bishop's gambit, Maurian defence	1	0.0%	100.0%
C33	KGA, bishop's gambit, McDonnell attack	2	0.0%	100.0%
C33	KGA, bishop's gambit, Morphy variation	3	0.0%	33.3%
C33	KGA, bishop's gambit, Paulsen attack	2	0.0%	50.0%
C33	KGA, bishop's gambit, Steinitz defence	9	11.1%	61.1%
C33	King's gambit accepted	1	0.0%	100.0%
C34	KGA, Becker defence	12	8.3%	45.8%
C34	KGA, Bonsch-Osmolovsky variation	20	40.0%	55.0%
C34	KGA, Fischer defence	41	17.1%	50.0%
C34	KGA, Schallop defence	18	11.1%	27.8%
C34	King's knight's gambit	8	37.5%	31.3%
C35	KGA, Cunningham defence	10	30.0%	25.0%
C35	KGA, Cunningham, Euwe defence	8	25.0%	37.5%
C36	KGA, Abbazia defence (classical defence, modern defence[!])	3	0.0%	33.3%
C36	KGA, Abbazia defence, Botvinnik variation	1	0.0%	100.0%
C36	KGA, Abbazia defence, modern variation	40	35.0%	52.5%
C37	KGA, Blachly gambit	4	0.0%	50.0%
C37	KGA, MacDonnell gambit	1	100.0%	50.0%
C37	KGA, Muzio gambit	2	0.0%	0.0%
C37	KGA, Muzio gambit, Brentano defence	1	0.0%	0.0%
C37	KGA, Muzio gambit, From defence	1	0.0%	0.0%
C37	KGA, Quaade gambit	2	0.0%	0.0%
C37	KGA, Rosentreter gambit	1	0.0%	0.0%
C37	KGA, Salvio gambit	2	50.0%	25.0%
C38	KGA, Hanstein gambit	3	0.0%	33.3%
C38	KGA, Philidor gambit	2	50.0%	25.0%
C38	KGA, Philidor gambit, Schultz variation	1	0.0%	0.0%
C38	King's knight's gambit	2	0.0%	0.0%
C39	KGA, Allgaier gambit	1	0.0%	100.0%
C39	KGA, Kieseritsky, Berlin defence	25	16.0%	28.0%
C39	KGA, Kieseritsky, Berlin defence, 6.Bc4	20	25.0%	42.5%
C39	KGA, Kieseritsky, Brentano defence, Kaplanek variation	1	100.0%	50.0%
C39	KGA, Kieseritsky, Kolisch defence	27	33.3%	46.3%
C39	KGA, Kieseritsky, Neumann defence	3	0.0%	66.7%
C39	KGA, Kieseritsky, Paulsen defence	2	50.0%	25.0%
C39	KGA, Kieseritsky, Rice gambit	14	42.9%	21.4%
C39	KGA, Kieseritsky, Salvio (Rosenthal) defence	5	40.0%	40.0%
C39	King's knight's gambit	1	0.0%	0.0%
C40	Greco defence	15	33.3%	56.7%
C40	Gunderam defence	133	23.3%	65.8%
C40	Latvian counter-gambit	5	40.0%	80.0%
C40	Latvian, Fraser defence	1	100.0%	50.0%
C40	QP counter-gambit (elephant gambit)	34	29.4%	52.9%
C41	Philidor's defence	154	27.3%	55.2%
C41	Philidor, Boden variation	2	0.0%	50.0%
C41	Philidor, Hanham variation	5	20.0%	50.0%
C41	Philidor, Hanham, Delmar variation	4	75.0%	62.5%
C41	Philidor, Hanham, Kmoch variation	1	0.0%	0.0%
C41	Philidor, Hanham, Krause variation	9	33.3%	50.0%
C41	Philidor, Hanham, Schlechter variation	27	22.2%	59.3%
C41	Philidor, Hanham, Steiner variation	15	20.0%	83.3%
C41	Philidor, Improved Hanham variation	496	33.5%	54.2%
C41	Philidor, Larsen variation	23	34.8%	56.5%
C41	Philidor, Lopez counter-gambit	1	0.0%	100.0%
C41	Philidor, Nimzovich (Jaenisch) variation	11	9.1%	68.2%
C41	Philidor, Nimzovich variation	2	50.0%	25.0%
C41	Philidor, Nimzovich, Klein variation	4	25.0%	62.5%
C41	Philidor, Nimzovich, Rellstab variation	12	41.7%	70.8%
C41	Philidor, Nimzovich, Sokolsky variation	3	0.0%	33.3%
C41	Philidor, Nimzovich, Sozin variation	27	40.7%	57.4%
C41	Philidor, Philidor counter-gambit	8	50.0%	50.0%
C41	Philidor, Philidor counter-gambit, Zukertort variation	7	57.1%	28.6%
C41	Philidor, Steinitz variation	4	50.0%	50.0%
C41	Philidor, exchange variation	174	30.5%	54.3%
C42	Petrov three knights game	137	38.7%	58.8%
C42	Petrov's defence	317	27.1%	51.7%
C42	Petrov, Cochrane gambit	16	6.3%	21.9%
C42	Petrov, Cozio (Lasker) attack	176	36.4%	51.7%
C42	Petrov, Damiano variation	11	54.5%	63.6%
C42	Petrov, French attack	9	22.2%	66.7%
C42	Petrov, Italian variation	108	26.9%	53.2%
C42	Petrov, Kaufmann attack	76	40.8%	49.3%
C42	Petrov, Nimzovich attack	272	38.6%	51.7%
C42	Petrov, Paulsen attack	86	29.1%	50.6%
C42	Petrov, classical attack	453	26.9%	60.0%
C42	Petrov, classical attack, Berger variation	12	16.7%	50.0%
C42	Petrov, classical attack, Chigorin variation	416	34.9%	53.2%
C42	Petrov, classical attack, Jaenisch variation	1668	33.8%	56.7%
C42	Petrov, classical attack, Maroczy variation	1	0.0%	100.0%
C42	Petrov, classical attack, Marshall variation	1795	29.5%	55.2%
C42	Petrov, classical attack, Mason variation	26	46.2%	65.4%
C42	Petrov, classical attack, Tarrasch variation	4	50.0%	50.0%
C42	Petrov, classical attack, close variation	92	35.9%	58.2%
C43	Petrov, Urusov gambit	15	20.0%	36.7%
C43	Petrov, modern (Steinitz) attack	42	31.0%	56.0%
C43	Petrov, modern attack, Bardeleben variation	3	0.0%	66.7%
C43	Petrov, modern attack, Steinitz variation	3	33.3%	83.3%
C43	Petrov, modern attack, Symmetrical variation	880	31.1%	53.2%
C43	Petrov, modern attack, Trifunovic variation	39	30.8%	41.0%
C43	Petrov, modern attack, main line	170	32.4%	57.4%
C44	Dresden opening	9	22.2%	33.3%
C44	Inverted Hanham	11	36.4%	27.3%
C44	Inverted Hungarian	4	0.0%	50.0%
C44	King's pawn game	30	26.7%	53.3%
C44	Konstantinopolsky opening	1	0.0%	0.0%
C44	Ponziani counter-gambit	26	26.9%	40.4%
C44	Ponziani counter-gambit, Cordel variation	2	50.0%	75.0%
C44	Ponziani opening	47	27.7%	54.3%
C44	Ponziani, Caro variation	9	33.3%	61.1%
C44	Ponziani, Jaenisch counter-attack	125	29.6%	46.0%
C44	Ponziani, Leonhardt variation	1	0.0%	100.0%
C44	Ponziani, Romanishin variation	1	100.0%	50.0%
C44	Ponziani, Steinitz variation	7	28.6%	57.1%
C44	Scotch gambit	7	0.0%	42.9%
C44	Scotch gambit, Benima defence	19	21.1%	52.6%
C44	Scotch gambit, Dubois-Reti defence	207	28.5%	51.9%
C44	Scotch opening	6	16.7%	58.3%
C44	Scotch, Goering gambit	57	33.3%	62.3%
C44	Scotch, Goering gambit, Bardeleben variation	3	66.7%	33.3%
C44	Scotch, Lolli variation	23	26.1%	56.5%
C44	Scotch, Relfsson gambit ('MacLopez')	15	20.0%	36.7%
C44	Tayler opening	1	100.0%	50.0%
C45	Scotch game	1092	31.0%	54.9%
C45	Scotch, Blackburne attack	9	44.4%	66.7%
C45	Scotch, Blumenfeld attack	7	42.9%	50.0%
C45	Scotch, Ghulam Kassim variation	3	33.3%	50.0%
C45	Scotch, Horwitz attack	15	40.0%	53.3%
C45	Scotch, Meitner variation	6	50.0%	41.7%
C45	Scotch, Mieses variation	440	31.1%	50.3%
C45	Scotch, Paulsen attack	2	0.0%	0.0%
C45	Scotch, Potter variation	54	37.0%	51.9%
C45	Scotch, Pulling counter-attack	5	40.0%	40.0%
C45	Scotch, Romanishin variation	12	41.7%	45.8%
C45	Scotch, Rosenthal variation	1	0.0%	0.0%
C45	Scotch, Schmidt variation	317	39.1%	43.8%
C45	Scotch, Steinitz variation	15	20.0%	56.7%
C45	Scotch, Tartakower variation	5	80.0%	60.0%
C46	Four knights game	327	31.5%	48.8%
C46	Four knights, Gunsberg variation	31	38.7%	45.2%
C46	Four knights, Italian variation	163	23.9%	50.6%
C46	Four knights, Schultze-Mueller gambit	3	66.7%	33.3%
C46	Three knights game	83	32.5%	58.4%
C46	Three knights, Schlechter variation	1	0.0%	100.0%
C46	Three knights, Steinitz variation	60	23.3%	53.3%
C46	Three knights, Steinitz, Rosenthal variation	3	100.0%	50.0%
C47	Four knights, Belgrade gambit	27	29.6%	63.0%
C47	Four knights, Scotch variation	19	47.4%	60.5%
C47	Four knights, Scotch, 4...exd4	534	36.3%	47.2%
C47	Four knights, Scotch, Krause variation	36	44.4%	63.9%
C48	Four knights, Bardeleben variation	4	50.0%	25.0%
C48	Four knights, Marshall variation	4	50.0%	50.0%
C48	Four knights, Ranken variation	9	33.3%	50.0%
C48	Four knights, Rubinstein counter-gambit	745	27.4%	54.9%
C48	Four knights, Rubinstein counter-gambit, 5.Be2	7	0.0%	57.1%
C48	Four knights, Rubinstein counter-gambit, Bogolyubov variation	6	33.3%	66.7%
C48	Four knights, Rubinstein counter-gambit, Henneberger variation	17	41.2%	61.8%
C48	Four knights, Rubinstein counter-gambit, exchange variation	66	47.0%	49.2%
C48	Four knights, Spanish variation	122	27.9%	57.4%
C48	Four knights, Spanish, classical defence	65	33.8%	50.8%
C48	Four knights, Spielmann variation	1	100.0%	50.0%
C49	Four knights	39	43.6%	52.6%
C49	Four knights, Gunsberg counter-attack	2	50.0%	75.0%
C49	Four knights, Nimzovich (Paulsen) variation	42	45.2%	53.6%
C49	Four knights, Svenonius variation	1	0.0%	100.0%
C49	Four knights, double Ruy Lopez	173	41.0%	55.8%
C49	Four knights, symmetrical variation	165	32.1%	56.7%
C49	Four knights, symmetrical, Blake variation	6	66.7%	66.7%
C49	Four knights, symmetrical, Capablanca variation	33	36.4%	63.6%
C49	Four knights, symmetrical, Maroczy system	40	32.5%	51.3%
C49	Four knights, symmetrical, Metger unpin	413	35.4%	52.3%
C49	Four knights, symmetrical, Pillsbury variation	22	22.7%	34.1%
C49	Four knights, symmetrical, Tarrasch variation	2	50.0%	75.0%
C50	Giuoco Pianissimo	686	31.5%	54.2%
C50	Giuoco Pianissimo, Canal variation	232	25.9%	64.7%
C50	Giuoco Pianissimo, Italian four knights variation	207	25.6%	56.8%
C50	Giuoco Piano	90	32.2%	50.6%
C50	Giuoco Piano, four knights variation	53	26.4%	54.7%
C50	Hungarian defence	27	25.9%	46.3%
C50	Hungarian defence, Tartakower variation	1	0.0%	100.0%
C50	King's pawn game	155	25.2%	58.4%
C50	Rousseau gambit	3	0.0%	66.7%
C51	Evans gambit	1	0.0%	0.0%
C51	Evans gambit declined	5	0.0%	60.0%
C51	Evans gambit declined, 5.a4	93	23.7%	43.0%
C51	Evans gambit declined, Cordel variation	6	16.7%	25.0%
C51	Evans gambit declined, Lange variation	1	0.0%	0.0%
C51	Evans gambit declined, Showalter variation	1	0.0%	0.0%
C51	Evans gambit, 5...Be7	3	66.7%	33.3%
C51	Evans gambit, Cordel variation	14	57.1%	50.0%
C51	Evans gambit, Goering attack	1	100.0%	50.0%
C51	Evans gambit, Morphy attack	1	0.0%	0.0%
C51	Evans gambit, Paulsen variation	12	8.3%	37.5%
C51	Evans gambit, Steinitz variation	1	0.0%	0.0%
C51	Evans gambit, Stone-Ware variation	6	16.7%	41.7%
C51	Evans gambit, normal variation	4	0.0%	25.0%
C52	Evans gambit	25	20.0%	34.0%
C52	Evans gambit, Alapin-Steinitz variation	1	100.0%	50.0%
C52	Evans gambit, Lasker defence	6	50.0%	58.3%
C52	Evans gambit, Richardson attack	1	0.0%	0.0%
C52	Evans gambit, Tartakower attack	31	19.4%	45.2%
C52	Evans gambit, Waller attack	3	0.0%	66.7%
C52	Evans gambit, compromised defence	2	50.0%	75.0%
C52	Evans gambit, compromised defence, Paulsen variation	3	0.0%	66.7%
C53	Giuoco Piano	950	30.0%	52.9%
C53	Giuoco Piano, Anderssen variation	7	57.1%	28.6%
C53	Giuoco Piano, Bird's attack	53	24.5%	51.9%
C53	Giuoco Piano, LaBourdonnais variation	4	0.0%	100.0%
C53	Giuoco Piano, Tarrasch variation	5	40.0%	80.0%
C53	Giuoco Piano, centre-holding variation	15	13.3%	53.3%
C53	Giuoco Piano, close variation	13	38.5%	65.4%
C54	Giuoco Piano	43	30.2%	47.7%
C54	Giuoco Piano, Greco's attack	1	0.0%	0.0%
C54	Giuoco Piano, Moeller (Therkatz) attack	1	0.0%	100.0%
C55	Giuoco piano	2	50.0%	25.0%
C55	Giuoco piano, Holzhausen attack	1	0.0%	100.0%
C55	Giuoco piano, Rosentreter variation	1	100.0%	50.0%
C55	Two knights defence	34	29.4%	41.2%
C55	Two knights defence (Modern bishop's opening)	653	30.2%	56.0%
C55	Two knights defence, Perreux variation	23	21.7%	41.3%
C55	Two knights, Max Lange attack	19	10.5%	47.4%
C55	Two knights, Max Lange attack, Berger variation	1	100.0%	50.0%
C55	Two knights, Max Lange attack, Loman defence	1	100.0%	50.0%
C55	Two knights, Max Lange attack, Marshall variation	4	25.0%	37.5%
C55	Two knights, Max Lange attack, Schlechter variation	2	0.0%	50.0%
C55	Two knights, Max Lange attack, Steinitz variation	2	0.0%	100.0%
C56	Two knights defence	39	35.9%	48.7%
C56	Two knights defence, Canal variation	10	40.0%	40.0%
C57	Two knights defence	8	12.5%	43.8%
C57	Two knights defence, Fegatello attack	2	0.0%	50.0%
C57	Two knights defence, Fegatello attack, Leonhardt variation	1	0.0%	0.0%
C57	Two knights defence, Fritz variation	2	0.0%	0.0%
C57	Two knights defence, Fritz, Gruber variation	42	40.5%	51.2%
C57	Two knights defence, Lolli attack	4	50.0%	75.0%
C57	Two knights defence, Pincus variation	2	100.0%	50.0%
C57	Two knights defence, Ulvestad variation	29	17.2%	53.4%
C57	Two knights defence, Wilkes Barre (Traxler) variation	5	40.0%	60.0%
C58	Two knights defence	41	34.1%	56.1%
C58	Two knights defence, Bogolyubov variation	9	11.1%	61.1%
C58	Two knights defence, Colman variation	2	0.0%	50.0%
C58	Two knights defence, Kieseritsky variation	9	44.4%	33.3%
C58	Two knights defence, Paoli variation	6	16.7%	75.0%
C58	Two knights defence, Yankovich variation	1	0.0%	0.0%
C59	Two knights defence	85	23.5%	44.7%
C59	Two knights defence, Goering variation	1	100.0%	50.0%
C59	Two knights defence, Steinitz variation	49	24.5%	51.0%
C60	Ruy Lopez (Spanish opening)	24	8.3%	45.8%
C60	Ruy Lopez, Cozio defence	59	20.3%	57.6%
C60	Ruy Lopez, Cozio defence, Paulsen variation	8	37.5%	56.3%
C60	Ruy Lopez, Lucena defence	5	0.0%	60.0%
C60	Ruy Lopez, Nuernberg variation	2	50.0%	25.0%
C60	Ruy Lopez, fianchetto (Smyslov/Barnes) defence	121	38.0%	55.4%
C61	Ruy Lopez, Bird's defence	61	34.4%	56.6%
C61	Ruy Lopez, Bird's defence, Paulsen variation	2	0.0%	0.0%
C62	Ruy Lopez, old Steinitz defence	519	29.5%	54.0%
C62	Ruy Lopez, old Steinitz defence, Nimzovich attack	15	26.7%	66.7%
C63	Ruy Lopez, Schliemann defence	55	25.5%	56.4%
C63	Ruy Lopez, Schliemann defence, Berger variation	92	31.5%	56.0%
C64	Ruy Lopez, Cordel gambit	6	33.3%	83.3%
C64	Ruy Lopez, classical (Cordel) defence	377	28.6%	50.9%
C64	Ruy Lopez, classical defence, 4.c3	184	26.1%	52.7%
C64	Ruy Lopez, classical defence, Benelux variation	247	32.0%	51.2%
C64	Ruy Lopez, classical defence, Charousek variation	1	0.0%	0.0%
C65	Ruy Lopez, Berlin defence	608	33.4%	52.7%
C65	Ruy Lopez, Berlin defence, 4.O-O	37	29.7%	58.1%
C65	Ruy Lopez, Berlin defence, Beverwijk variation	182	39.6%	47.8%
C65	Ruy Lopez, Berlin defence, Duras variation	9	33.3%	50.0%
C65	Ruy Lopez, Berlin defence, Kaufmann variation	6	16.7%	58.3%
C65	Ruy Lopez, Berlin defence, Mortimer variation	8	12.5%	56.3%
C65	Ruy Lopez, Berlin defence, Nyholm attack	76	40.8%	57.2%
C66	Ruy Lopez, Berlin defence, 4.O-O, d6	36	30.6%	54.2%
C66	Ruy Lopez, Berlin defence, hedgehog variation	84	36.9%	49.4%
C66	Ruy Lopez, closed Berlin defence, Bernstein variation	13	30.8%	53.8%
C66	Ruy Lopez, closed Berlin defence, Chigorin variation	3	33.3%	83.3%
C66	Ruy Lopez, closed Berlin defence, Showalter variation	51	45.1%	55.9%
C66	Ruy Lopez, closed Berlin defence, Wolf variation	55	40.0%	56.4%
C67	Ruy Lopez, Berlin defence, Cordel variation	7	42.9%	50.0%
C67	Ruy Lopez, Berlin defence, Minckwitz variation	21	52.4%	64.3%
C67	Ruy Lopez, Berlin defence, Pillsbury variation	3	66.7%	33.3%
C67	Ruy Lopez, Berlin defence, Rio de Janeiro variation	9	55.6%	72.2%
C67	Ruy Lopez, Berlin defence, Rosenthal variation	10	50.0%	55.0%
C67	Ruy Lopez, Berlin defence, Trifunovic variation	1	0.0%	100.0%
C67	Ruy Lopez, Berlin defence, Winawer attack	10	70.0%	45.0%
C67	Ruy Lopez, Berlin defence, Zukertort variation	2	0.0%	0.0%
C67	Ruy Lopez, Berlin defence, open variation	1631	37.3%	52.7%
C67	Ruy Lopez, open Berlin defence, 5...Be7	43	39.5%	54.7%
C67	Ruy Lopez, open Berlin defence, Showalter variation	3	33.3%	50.0%
C67	Ruy Lopez, open Berlin defence, l'Hermet variation	49	18.4%	50.0%
C68	Ruy Lopez, exchange variation	90	31.1%	55.6%
C68	Ruy Lopez, exchange, Alekhine variation	18	38.9%	47.2%
C68	Ruy Lopez, exchange, Keres variation	117	36.8%	48.3%
C68	Ruy Lopez, exchange, Romanovsky variation	6	33.3%	50.0%
C69	Ruy Lopez, exchange variation, 5.O-O	256	30.5%	54.7%
C69	Ruy Lopez, exchange variation, Alapin gambit	43	27.9%	48.8%
C69	Ruy Lopez, exchange, Bronstein variation	292	31.2%	52.2%
C69	Ruy Lopez, exchange, Gligoric variation	339	39.5%	56.6%
C70	Ruy Lopez	42	35.7%	60.7%
C70	Ruy Lopez, Caro variation	33	27.3%	59.1%
C70	Ruy Lopez, Classical defence deferred	421	26.8%	50.5%
C70	Ruy Lopez, Cozio defence deferred	6	50.0%	58.3%
C70	Ruy Lopez, Graz variation	3	0.0%	100.0%
C70	Ruy Lopez, Schliemann defence deferred	8	12.5%	31.3%
C70	Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation	131	26.0%	58.0%
C71	Ruy Lopez, modern Steinitz defence	101	30.7%	54.0%
C71	Ruy Lopez, modern Steinitz defence, Duras (Keres) variation	136	30.1%	48.9%
C71	Ruy Lopez, modern Steinitz defence, Three knights variation	31	25.8%	58.1%
C72	Ruy Lopez, modern Steinitz defence, 5.O-O	338	29.6%	57.4%
C73	Ruy Lopez, modern Steinitz defence, Alapin variation	142	30.3%	58.1%
C73	Ruy Lopez, modern Steinitz defence, Richter variation	132	28.8%	48.5%
C74	Ruy Lopez, Siesta, Kopayev variation	48	29.2%	47.9%
C74	Ruy Lopez, modern Steinitz defence	60	33.3%	53.3%
C74	Ruy Lopez, modern Steinitz defence, siesta variation	12	16.7%	50.0%
C75	Ruy Lopez, modern Steinitz defence	132	26.5%	56.4%
C75	Ruy Lopez, modern Steinitz defence, Rubinstein variation	60	38.3%	59.2%
C76	Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation	273	30.0%	51.6%
C77	Ruy Lopez, Anderssen variation	504	28.6%	49.0%
C77	Ruy Lopez, Morphy defence	450	33.8%	55.8%
C77	Ruy Lopez, Morphy defence, Duras variation	34	29.4%	50.0%
C77	Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)	155	31.6%	51.3%
C77	Ruy Lopez, Wormald (Alapin) attack	264	30.7%	50.2%
C77	Ruy Lopez, Wormald attack, Gruenfeld variation	1	100.0%	50.0%
C77	Ruy Lopez, four knights (Tarrasch) variation	203	31.0%	55.4%
C78	Ruy Lopez, ...b5 & ...d6	24	20.8%	56.3%
C78	Ruy Lopez, 5.O-O	677	30.1%	54.1%
C78	Ruy Lopez, Archangelsk (counterthrust) variation	784	27.7%	54.1%
C78	Ruy Lopez, Moeller defence	536	29.7%	53.5%
C78	Ruy Lopez, Rabinovich variation	1	0.0%	100.0%
C78	Ruy Lopez, Wing attack	4	0.0%	50.0%
C79	Ruy Lopez, Steinitz defence deferred (Russian defence)	217	28.6%	52.5%
C79	Ruy Lopez, Steinitz defence deferred, Lipnitsky variation	5	80.0%	40.0%
C79	Ruy Lopez, Steinitz defence deferred, Rubinstein variation	13	7.7%	57.7%
C80	Ruy Lopez, open (Tarrasch) defence	61	23.0%	54.1%
C80	Ruy Lopez, open, 6.d4	28	21.4%	71.4%
C80	Ruy Lopez, open, 7.Bb3	55	21.8%	50.9%
C80	Ruy Lopez, open, 8...Be6	508	34.1%	47.5%
C80	Ruy Lopez, open, Bernstein variation	485	35.7%	62.0%
C80	Ruy Lopez, open, Bernstein variation, Karpov gambit	18	72.2%	63.9%
C80	Ruy Lopez, open, Friess attack	8	50.0%	50.0%
C80	Ruy Lopez, open, Harksen gambit	5	0.0%	40.0%
C80	Ruy Lopez, open, Riga variation	28	53.6%	58.9%
C80	Ruy Lopez, open, Schlechter defence	5	60.0%	50.0%
C80	Ruy Lopez, open, Tartakower variation	11	36.4%	72.7%
C80	Ruy Lopez, open, Zukertort variation	4	0.0%	50.0%
C81	Ruy Lopez, open, Howell attack	51	37.3%	61.8%
C81	Ruy Lopez, open, Howell attack, Ekstroem variation	10	60.0%	60.0%
C82	Ruy Lopez, open, Berlin variation	16	25.0%	68.8%
C82	Ruy Lopez, open, Dilworth variation	60	31.7%	64.2%
C82	Ruy Lopez, open, Italian variation	36	30.6%	56.9%
C82	Ruy Lopez, open, Motzko attack	51	37.3%	50.0%
C82	Ruy Lopez, open, Motzko attack, Nenarokov variation	3	0.0%	33.3%
C82	Ruy Lopez, open, St. Petersburg variation	152	36.8%	61.2%
C83	Ruy Lopez, open, 9...Be7, 10.Re1	19	42.1%	57.9%
C83	Ruy Lopez, open, Breslau variation	1	0.0%	100.0%
C83	Ruy Lopez, open, Malkin variation	11	18.2%	63.6%
C83	Ruy Lopez, open, classical defence	118	40.7%	59.3%
C84	Ruy Lopez, closed defence	595	33.6%	51.6%
C84	Ruy Lopez, closed, centre attack	88	25.0%	47.7%
C85	Ruy Lopez, Exchange variation doubly deferred (DERLD)	648	34.9%	50.5%
C86	Ruy Lopez, Worrall attack	33	36.4%	57.6%
C86	Ruy Lopez, Worrall attack, sharp line	164	31.1%	52.1%
C86	Ruy Lopez, Worrall attack, solid line	111	33.3%	46.4%
C87	Ruy Lopez, closed, Averbach variation	194	30.4%	58.5%
C88	Ruy Lopez, Trajkovic counter-attack	99	31.3%	49.0%
C88	Ruy Lopez, closed	356	23.9%	48.2%
C88	Ruy Lopez, closed, 7...O-O	1313	30.2%	53.5%
C88	Ruy Lopez, closed, 7...d6, 8.d4	10	10.0%	35.0%
C88	Ruy Lopez, closed, 8.c3	11	18.2%	36.4%
C88	Ruy Lopez, closed, Balla variation	12	33.3%	50.0%
C88	Ruy Lopez, closed, anti-Marshall 8.a4	952	30.7%	51.1%
C89	Ruy Lopez, Marshall counter-attack	125	30.4%	53.6%
C89	Ruy Lopez, Marshall counter-attack, 11...c6	119	39.5%	41.6%
C89	Ruy Lopez, Marshall, Herman Steiner variation	2	0.0%	0.0%
C89	Ruy Lopez, Marshall, Kevitz variation	4	0.0%	25.0%
C89	Ruy Lopez, Marshall, main line, 12.d2d4	164	35.4%	47.6%
C89	Ruy Lopez, Marshall, main line, 14...Qh3	66	34.8%	55.3%
C90	Ruy Lopez, closed (with ...d6)	1499	27.4%	49.7%
C90	Ruy Lopez, closed, Lutikov variation	12	41.7%	45.8%
C90	Ruy Lopez, closed, Pilnik variation	2000	25.4%	52.4%
C90	Ruy Lopez, closed, Suetin variation	26	34.6%	55.8%
C91	Ruy Lopez, closed, 9.d4	2106	27.0%	55.0%
C91	Ruy Lopez, closed, Bogolyubov variation	3607	31.1%	51.5%
C92	Ruy Lopez, closed, 9.h3	304	35.9%	54.8%
C92	Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)	2935	33.4%	51.7%
C92	Ruy Lopez, closed, Keres (9...a5) variation	39	33.3%	55.1%
C92	Ruy Lopez, closed, Kholmov variation	114	25.4%	56.6%
C92	Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation	308	35.4%	65.1%
C93	Ruy Lopez, closed, Smyslov defence	213	35.7%	62.0%
C94	Ruy Lopez, closed, Breyer defence	80	40.0%	57.5%
C95	Ruy Lopez, closed, Breyer, Borisenko variation	1957	30.4%	56.4%
C95	Ruy Lopez, closed, Breyer, Gligoric variation	39	25.6%	66.7%
C95	Ruy Lopez, closed, Breyer, Simagin variation	7	14.3%	21.4%
C96	Ruy Lopez, closed (10...c5)	726	30.4%	57.1%
C96	Ruy Lopez, closed (8...Na5)	29	27.6%	51.7%
C96	Ruy Lopez, closed, Borisenko defence	66	28.8%	62.9%
C96	Ruy Lopez, closed, Keres (...Nd7) defence	285	36.5%	65.3%
C96	Ruy Lopez, closed, Rossolimo defence	3	33.3%	83.3%
C97	Ruy Lopez, closed, Chigorin defence	1058	23.6%	60.0%
C98	Ruy Lopez, closed, Chigorin, 12...Nc6	307	23.8%	61.4%
C99	Ruy Lopez, closed, Chigorin, 12...c5d4	2996	36.2%	59.2%
D00	Blackmar gambit	4	25.0%	62.5%
D00	Blackmar-Diemer gambit	1	0.0%	100.0%
D00	Levitsky attack (Queen's bishop attack)	396	29.8%	52.8%
D00	Queen's pawn game	199	21.1%	48.2%
D00	Queen's pawn, Chigorin variation	480	22.3%	54.7%
D00	Queen's pawn, Mason variation	681	28.8%	54.8%
D00	Queen's pawn, Mason variation, Steinitz counter-gambit	52	25.0%	47.1%
D00	Queen's pawn, stonewall attack	7	0.0%	28.6%
D01	Richter-Veresov attack	308	27.3%	49.7%
D01	Richter-Veresov attack, Richter variation	5	0.0%	60.0%
D01	Richter-Veresov attack, Veresov variation	15	26.7%	46.7%
D02	Queen's bishop game	1127	28.6%	51.0%
D02	Queen's pawn game	4976	29.2%	52.2%
D02	Queen's pawn game, Chigorin variation	240	32.1%	57.3%
D02	Queen's pawn game, Krause variation	210	34.8%	55.0%
D03	Torre attack (Tartakower variation)	278	29.9%	52.0%
D04	Queen's pawn game	542	30.6%	52.8%
D05	Colle system	82	35.4%	53.0%
D05	Queen's pawn game	464	26.5%	53.8%
D05	Queen's pawn game, Rubinstein (Colle-Zukertort) variation	100	29.0%	53.5%
D05	Queen's pawn game, Zukertort variation	23	13.0%	58.7%
D06	QGD, Grau (Sahovic) defence	52	28.8%	58.7%
D06	QGD, Marshall defence	150	36.0%	60.7%
D06	QGD, symmetrical (Austrian) defence	4	75.0%	62.5%
D06	Queen's Gambit	10	20.0%	70.0%
D07	QGD, Chigorin defence	904	28.9%	58.7%
D07	QGD, Chigorin defence, Janowski variation	51	19.6%	64.7%
D08	QGD, Albin counter-gambit	26	26.9%	48.1%
D08	QGD, Albin counter-gambit, Alapin variation	3	0.0%	66.7%
D08	QGD, Albin counter-gambit, Balogh variation	1	0.0%	0.0%
D09	QGD, Albin counter-gambit, 5.g3	20	35.0%	62.5%
D10	QGD Slav defence	1646	28.3%	52.5%
D10	QGD Slav defence, Alekhine variation	60	40.0%	43.3%
D10	QGD Slav defence, exchange variation	743	32.0%	51.5%
D10	QGD Slav, Winawer counter-gambit	83	18.1%	66.9%
D11	QGD Slav, 3.Nf3	1197	29.4%	54.6%
D11	QGD Slav, 4.e3	939	33.3%	53.5%
D11	QGD Slav, Breyer variation	122	24.6%	55.7%
D12	QGD Slav, 4.e3 Bf5	1844	30.6%	55.3%
D12	QGD Slav, Amsterdam variation	35	28.6%	45.7%
D12	QGD Slav, Landau variation	1	0.0%	0.0%
D12	QGD Slav, exchange variation	67	31.3%	56.0%
D13	QGD Slav, exchange variation	566	32.9%	53.9%
D14	QGD Slav, exchange variation, 6.Bf4 Bf5	265	31.7%	50.6%
D14	QGD Slav, exchange, Trifunovic variation	57	47.4%	58.8%
D15	QGD Slav accepted	78	32.1%	49.4%
D15	QGD Slav, 4.Nc3	1452	31.6%	52.4%
D15	QGD Slav, 5.e3 (Alekhine variation)	83	26.5%	47.0%
D15	QGD Slav, Schlechter variation	123	26.8%	55.7%
D15	QGD Slav, Slav gambit	23	26.1%	52.2%
D15	QGD Slav, Suechting variation	16	25.0%	56.3%
D15	QGD Slav, Tolush-Geller gambit	71	23.9%	50.0%
D16	QGD Slav accepted, Alapin variation	72	27.8%	66.7%
D16	QGD Slav, Smyslov variation	30	40.0%	60.0%
D16	QGD Slav, Soultanbeieff variation	47	44.7%	67.0%
D16	QGD Slav, Steiner variation	164	37.2%	57.0%
D17	QGD Slav, Carlsbad variation	446	33.0%	56.2%
D17	QGD Slav, Czech defence	201	37.8%	49.8%
D17	QGD Slav, Krause attack	352	31.5%	54.7%
D17	QGD Slav, Wiesbaden variation	337	26.7%	62.9%
D18	QGD Slav, Dutch variation	124	32.3%	52.4%
D18	QGD Slav, Dutch, Lasker variation	12	0.0%	50.0%
D19	QGD Slav, Dutch variation	1613	29.8%	55.5%
D19	QGD Slav, Dutch variation, main line	251	36.7%	53.0%
D20	QGA, 3.e4	1241	29.8%	55.3%
D20	QGA, Linares variation	22	22.7%	56.8%
D20	Queen's gambit accepted	1014	32.5%	54.5%
D21	QGA, 3.Nf3	332	23.5%	59.0%
D21	QGA, Alekhine defense, Borisenko-Furman variation	14	14.3%	64.3%
D21	QGA, Ericson variation	5	60.0%	50.0%
D22	QGA, Alekhine defence	74	41.9%	54.7%
D22	QGA, Alekhine defence, Alatortsev variation	9	44.4%	77.8%
D22	QGA, Haberditz variation	18	33.3%	61.1%
D23	QGA, Mannheim variation	202	30.2%	52.7%
D23	Queen's gambit accepted	130	34.6%	42.7%
D24	QGA, 4.Nc3	197	32.5%	53.3%
D24	QGA, Bogolyubov variation	71	25.4%	50.7%
D25	QGA, 4.e3	192	23.4%	62.8%
D25	QGA, Flohr variation	70	18.6%	35.0%
D25	QGA, Janowsky-Larsen variation	279	28.3%	54.3%
D25	QGA, Smyslov variation	99	30.3%	56.6%
D26	QGA, 4...e6	361	32.7%	49.6%
D26	QGA, classical variation	467	36.8%	51.2%
D26	QGA, classical variation, 6.O-O	108	33.3%	53.7%
D26	QGA, classical, Steinitz variation	17	29.4%	61.8%
D27	QGA, classical, 6...a6	1635	35.2%	53.2%
D27	QGA, classical, Geller variation	48	27.1%	44.8%
D27	QGA, classical, Rubinstein variation	1983	35.5%	54.5%
D28	QGA, classical, 7...b5	100	39.0%	48.5%
D28	QGA, classical, 7.Qe2	45	37.8%	54.4%
D29	QGA, classical, 8...Bb7	396	31.1%	45.8%
D29	QGA, classical, Smyslov variation	25	32.0%	52.0%
D30	QGD	465	32.7%	53.3%
D30	QGD Slav	191	25.1%	55.0%
D30	QGD Slav, Semmering variation	15	33.3%	56.7%
D30	QGD, Capablanca variation	25	28.0%	62.0%
D30	QGD, Capablanca-Duras variation	268	28.0%	52.8%
D30	QGD, Hastings variation	148	35.8%	46.3%
D30	QGD, Spielmann variation	1	100.0%	50.0%
D30	QGD, Vienna variation	144	31.9%	50.0%
D30	Queen's gambit declined	2753	29.4%	54.8%
D31	QGD, 3.Nc3	333	27.3%	52.7%
D31	QGD, Alapin variation	6	0.0%	33.3%
D31	QGD, Charousek (Petrosian) variation	308	26.3%	50.5%
D31	QGD, Janowski variation	28	25.0%	58.9%
D31	QGD, semi-Slav	443	34.3%	54.6%
D31	QGD, semi-Slav, Abrahams variation	148	25.0%	44.3%
D31	QGD, semi-Slav, Junge variation	2	0.0%	100.0%
D31	QGD, semi-Slav, Koomen variation	9	44.4%	66.7%
D31	QGD, semi-Slav, Marshall gambit	710	30.1%	53.1%
D31	QGD, semi-Slav, Noteboom variation	106	26.4%	50.0%
D32	QGD, Tarrasch defence	189	31.7%	52.9%
D32	QGD, Tarrasch defence, 4.cd ed	16	37.5%	56.3%
D32	QGD, Tarrasch defence, Marshall gambit	4	75.0%	62.5%
D32	QGD, Tarrasch defence, Tarrasch gambit	1	0.0%	0.0%
D32	QGD, Tarrasch, von Hennig-Schara gambit	38	23.7%	59.2%
D33	QGD, Tarrasch, Folkestone (Swedish) variation	31	45.2%	48.4%
D33	QGD, Tarrasch, Prague variation	29	27.6%	55.2%
D33	QGD, Tarrasch, Schlechter-Rubinstein system	8	12.5%	81.3%
D33	QGD, Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation	2	50.0%	25.0%
D33	QGD, Tarrasch, Wagner variation	29	37.9%	60.3%
D34	QGD, Tarrasch, Bogolyubov variation	2	100.0%	50.0%
D34	QGD, Tarrasch, Prague variation, 7...Be7	122	28.7%	60.2%
D34	QGD, Tarrasch, Prague variation, 9.Bg5	480	38.8%	60.2%
D34	QGD, Tarrasch, Prague variation, Normal position	505	33.7%	61.4%
D34	QGD, Tarrasch, Reti variation	23	43.5%	65.2%
D34	QGD, Tarrasch, Stoltz variation	2	0.0%	100.0%
D35	QGD, 3...Nf6	89	29.2%	48.3%
D35	QGD, Harrwitz attack	51	33.3%	55.9%
D35	QGD, exchange variation	130	29.2%	53.8%
D35	QGD, exchange, Saemisch variation	134	30.6%	51.9%
D35	QGD, exchange, positional line	632	27.8%	54.1%
D35	QGD, exchange, positional line, 5...c6	437	33.4%	51.0%
D36	QGD, exchange, positional line, 6.Qc2	71	28.2%	57.7%
D37	QGD, 4.Nf3	2927	31.4%	52.5%
D37	QGD, classical variation (5.Bf4)	2946	33.3%	53.2%
D38	QGD, Ragozin variation	2304	32.4%	53.7%
D39	QGD, Ragozin, Vienna variation	635	33.4%	51.8%
D40	QGD, Semi-Tarrasch defence	550	34.4%	51.2%
D40	QGD, Semi-Tarrasch defence, Pillsbury variation	18	38.9%	47.2%
D40	QGD, Semi-Tarrasch, symmetrical variation	9	33.3%	50.0%
D41	QGD, Semi-Tarrasch with e3	130	36.9%	53.1%
D41	QGD, Semi-Tarrasch, 5.cd	395	34.7%	57.3%
D41	QGD, Semi-Tarrasch, Kmoch variation	4	25.0%	62.5%
D41	QGD, Semi-Tarrasch, San Sebastian variation	44	13.6%	70.5%
D42	QGD, Semi-Tarrasch, 7.Bd3	290	31.7%	51.7%
D43	QGD semi-Slav	5415	31.2%	51.5%
D43	QGD semi-Slav, Hastings variation	7	14.3%	21.4%
D44	QGD semi-Slav, 5.Bg5 dc	104	43.3%	48.6%
D44	QGD semi-Slav, Botvinnik system (anti-Meran)	82	28.0%	47.0%
D44	QGD semi-Slav, Ekstrom variation	61	21.3%	30.3%
D44	QGD semi-Slav, anti-Meran gambit	923	25.9%	59.5%
D44	QGD semi-Slav, anti-Meran, Alatortsev system	17	17.6%	67.6%
D44	QGD semi-Slav, anti-Meran, Lilienthal variation	397	25.7%	56.7%
D44	QGD semi-Slav, anti-Meran, Szabo variation	109	22.0%	37.6%
D45	QGD semi-Slav, 5...Nd7	301	29.2%	50.8%
D45	QGD semi-Slav, 5.e3	188	29.3%	57.7%
D45	QGD semi-Slav, Rubinstein (anti-Meran) system	20	25.0%	57.5%
D45	QGD semi-Slav, Stoltz variation	16257	31.8%	51.4%
D45	QGD semi-Slav, accelerated Meran (Alekhine variation)	1033	30.9%	52.4%
D45	QGD semi-Slav, stonewall defence	17	23.5%	58.8%
D46	QGD semi-Slav, 6.Bd3	21	28.6%	52.4%
D46	QGD semi-Slav, Bogolyubov variation	130	30.8%	63.1%
D46	QGD semi-Slav, Chigorin defence	294	31.3%	50.3%
D46	QGD semi-Slav, Romih variation	88	27.3%	61.4%
D47	QGD semi-Slav, 7.Bc4	79	21.5%	61.4%
D47	QGD semi-Slav, Meran variation	1040	36.1%	51.9%
D47	QGD semi-Slav, Meran, Wade variation	12414	29.2%	52.4%
D47	QGD semi-Slav, neo-Meran (Lundin variation)	416	33.2%	56.0%
D48	QGD semi-Slav, Meran	109	22.9%	51.8%
D48	QGD semi-Slav, Meran, 8...a6	1561	28.3%	48.4%
D48	QGD semi-Slav, Meran, Pirc variation	12	41.7%	45.8%
D48	QGD semi-Slav, Meran, Reynolds' variation	1218	30.0%	53.6%
D48	QGD semi-Slav, Meran, old main line	173	32.4%	57.8%
D49	QGD semi-Slav, Meran, Blumenfeld variation	526	31.2%	50.6%
D49	QGD semi-Slav, Meran, Rabinovich variation	145	40.0%	60.7%
D49	QGD semi-Slav, Meran, Rellstab attack	40	30.0%	45.0%
D49	QGD semi-Slav, Meran, Sozin variation	326	40.5%	47.2%
D49	QGD semi-Slav, Meran, Stahlberg variation	92	29.3%	60.3%
D50	QGD, 4.Bg5	64	20.3%	55.5%
D50	QGD, Been-Koomen variation	6	33.3%	50.0%
D50	QGD, Semi-Tarrasch	5	20.0%	70.0%
D50	QGD, Semi-Tarrasch, Primitive Pillsbury variation	13	23.1%	42.3%
D51	QGD	11	27.3%	40.9%
D51	QGD, 4.Bg5 Nbd7	38	39.5%	53.9%
D51	QGD, 5...c6	27	22.2%	66.7%
D51	QGD, Alekhine variation	2	0.0%	50.0%
D51	QGD, Capablanca anti-Cambridge Springs variation	6	16.7%	25.0%
D51	QGD, Manhattan variation	4	25.0%	62.5%
D52	QGD	60	41.7%	62.5%
D52	QGD, Cambridge Springs defence	13	61.5%	61.5%
D52	QGD, Cambridge Springs defence, 7.cd	54	25.9%	53.7%
D52	QGD, Cambridge Springs defence, Argentine variation	15	26.7%	60.0%
D52	QGD, Cambridge Springs defence, Bogoljubow variation	428	33.2%	54.0%
D52	QGD, Cambridge Springs defence, Capablanca variation	17	35.3%	41.2%
D52	QGD, Cambridge Springs defence, Rubinstein variation	118	33.1%	55.5%
D52	QGD, Cambridge Springs defence, Yugoslav variation	264	31.4%	56.3%
D53	QGD, 4.Bg5 Be7	117	36.8%	59.4%
D53	QGD, 4.Bg5 Be7, 5.e3 O-O	8	12.5%	56.3%
D53	QGD, Lasker variation	2	0.0%	50.0%
D54	QGD, Anti-neo-orthodox variation	11	36.4%	54.5%
D55	QGD, 6.Nf3	109	25.7%	52.3%
D55	QGD, Neo-orthodox variation, 7.Bh4	144	36.8%	55.2%
D55	QGD, Neo-orthodox variation, 7.Bxf6	111	37.8%	53.2%
D55	QGD, Petrosian variation	420	43.8%	54.5%
D55	QGD, Pillsbury attack	1	0.0%	100.0%
D56	QGD, Lasker defence	274	32.8%	47.8%
D56	QGD, Lasker defence, Teichmann variation	60	33.3%	53.3%
D57	QGD, Lasker defence, Bernstein variation	14	50.0%	60.7%
D57	QGD, Lasker defence, main line	26	38.5%	50.0%
D58	QGD, Tartakower (Makagonov-Bondarevsky) system	7641	33.2%	51.7%
D59	QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5	204	34.3%	52.0%
D59	QGD, Tartakower variation	161	45.3%	41.3%
D60	QGD, Orthodox defence	77	23.4%	57.1%
D60	QGD, Orthodox defence, Botvinnik variation	70	42.9%	52.9%
D60	QGD, Orthodox defence, Rauzer variation	8	12.5%	68.8%
D61	QGD, Orthodox defence, Rubinstein variation	225	31.1%	56.4%
D62	QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)	223	43.5%	51.8%
D63	QGD, Orthodox defence	33	33.3%	62.1%
D63	QGD, Orthodox defence, 7.Rc1	112	34.8%	52.2%
D63	QGD, Orthodox defence, Capablanca variation	9	33.3%	50.0%
D63	QGD, Orthodox defence, Pillsbury attack	13	30.8%	53.8%
D63	QGD, Orthodox defence, Swiss (Henneberger) variation	130	31.5%	55.0%
D63	QGD, Orthodox defence, Swiss, Karlsbad variation	284	33.8%	51.8%
D64	QGD, Orthodox defence, Rubinstein attack (with Rc1)	88	46.6%	55.1%
D64	QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation	59	45.8%	48.3%
D64	QGD, Orthodox defence, Rubinstein attack, Karlsbad variation	11	36.4%	54.5%
D64	QGD, Orthodox defence, Rubinstein attack, Wolf variation	33	30.3%	54.5%
D65	QGD, Orthodox defence, Rubinstein attack, main line	13	23.1%	34.6%
D66	QGD, Orthodox defence, Bd3 line	167	41.3%	57.2%
D66	QGD, Orthodox defence, Bd3 line, fianchetto variation	15	40.0%	60.0%
D67	QGD, Orthodox defence, Bd3 line	43	41.9%	48.8%
D67	QGD, Orthodox defence, Bd3 line, 11.O-O	119	34.5%	66.0%
D67	QGD, Orthodox defence, Bd3 line, Alekhine variation	142	48.6%	59.5%
D67	QGD, Orthodox defence, Bd3 line, Janowski variation	6	33.3%	66.7%
D68	QGD, Orthodox defence, classical variation	149	36.2%	55.0%
D68	QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)	9	66.7%	55.6%
D68	QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)	95	41.1%	56.3%
D69	QGD, Orthodox defence, classical, 13.de	21	61.9%	50.0%
D70	Neo-Gruenfeld (Kemeri) defence	26	42.3%	48.1%
D70	Neo-Gruenfeld defence	86	22.1%	56.4%
D71	Neo-Gruenfeld, 5.cd	113	44.2%	54.0%
D72	Neo-Gruenfeld, 5.cd, main line	63	27.0%	48.4%
D73	Neo-Gruenfeld, 5.Nf3	366	33.1%	53.1%
D74	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O	131	38.9%	57.6%
D75	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3	69	47.8%	51.4%
D75	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc	27	33.3%	53.7%
D76	Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6	285	37.2%	56.5%
D77	Neo-Gruenfeld, 6.O-O	468	37.0%	55.2%
D78	Neo-Gruenfeld, 6.O-O c6	465	35.3%	54.2%
D79	Neo-Gruenfeld, 6.O-O, main line	297	40.7%	53.4%
D80	Gruenfeld defence	82	25.6%	55.5%
D80	Gruenfeld, Stockholm variation	244	33.2%	55.1%
D81	Gruenfeld, Russian variation	47	40.4%	50.0%
D82	Gruenfeld, 4.Bf4	222	35.6%	57.0%
D83	Gruenfeld, Gruenfeld gambit	30	33.3%	46.7%
D83	Gruenfeld, Gruenfeld gambit, Botvinnik variation	7	0.0%	42.9%
D83	Gruenfeld, Gruenfeld gambit, Capablanca variation	41	41.5%	54.9%
D84	Gruenfeld, Gruenfeld gambit accepted	42	23.8%	73.8%
D85	Gruenfeld, exchange variation	876	38.1%	54.3%
D85	Gruenfeld, modern exchange variation	3736	39.6%	55.6%
D86	Gruenfeld, exchange, Larsen variation	2	0.0%	0.0%
D86	Gruenfeld, exchange, Simagin's improved variation	77	28.6%	67.5%
D86	Gruenfeld, exchange, Simagin's lesser variation	31	38.7%	64.5%
D86	Gruenfeld, exchange, classical variation	506	36.6%	53.1%
D87	Gruenfeld, exchange, Seville variation	126	38.9%	60.7%
D87	Gruenfeld, exchange, Spassky variation	330	34.2%	55.3%
D88	Gruenfeld, Spassky variation, main line, 10...cd, 11.cd	125	45.6%	57.2%
D89	Gruenfeld, Spassky variation, main line, 13.Bd3	159	36.5%	52.8%
D89	Gruenfeld, exchange, Sokolsky variation	31	32.3%	35.5%
D90	Gruenfeld, Flohr variation	35	42.9%	55.7%
D90	Gruenfeld, Schlechter variation	11	18.2%	72.7%
D90	Gruenfeld, Three knights variation	239	31.0%	56.1%
D91	Gruenfeld, 5.Bg5	1640	33.2%	47.5%
D92	Gruenfeld, 5.Bf4	556	35.4%	53.9%
D93	Gruenfeld with Bf4 e3	326	42.0%	57.5%
D94	Gruenfeld with e3 Bd3	13	53.8%	50.0%
D94	Gruenfeld, 5.e3	441	35.8%	57.4%
D94	Gruenfeld, Flohr defence	32	18.8%	56.3%
D94	Gruenfeld, Makogonov variation	115	29.6%	47.8%
D94	Gruenfeld, Opovcensky variation	95	45.3%	50.0%
D94	Gruenfeld, Smyslov defence	124	40.3%	56.5%
D95	Gruenfeld with e3 & Qb3	44	43.2%	44.3%
D95	Gruenfeld, Botvinnik variation	75	30.7%	42.0%
D96	Gruenfeld, Russian variation	206	32.5%	51.7%
D97	Gruenfeld, Russian variation with e4	22	45.5%	59.1%
D97	Gruenfeld, Russian, Alekhine (Hungarian) variation	1868	30.9%	50.6%
D97	Gruenfeld, Russian, Byrne (Simagin) variation	152	35.5%	55.3%
D97	Gruenfeld, Russian, Prins variation	799	36.2%	54.5%
D97	Gruenfeld, Russian, Szabo (Boleslavsky) variation	110	28.2%	56.8%
D98	Gruenfeld, Russian, Keres variation	7	28.6%	57.1%
D98	Gruenfeld, Russian, Smyslov variation	303	30.4%	57.8%
D99	Gruenfeld defence, Smyslov, Yugoslav variation	61	42.6%	67.2%
D99	Gruenfeld defence, Smyslov, main line	256	32.4%	60.4%
E00	Catalan opening	2096	31.8%	54.1%
E00	Neo-Indian (Seirawan) attack	379	26.1%	50.5%
E00	Queen's pawn game	812	29.2%	53.9%
E01	Catalan, closed	280	35.7%	56.8%
E02	Catalan, open, 5.Qa4	61	39.3%	57.4%
E03	Catalan, open, 5.Qa4 Nbd7, 6.Qxc4	12	41.7%	45.8%
E03	Catalan, open, Alekhine variation	5	0.0%	40.0%
E04	Catalan, open, 5.Nf3	3799	35.0%	53.0%
E05	Catalan, open, classical line	190	33.7%	54.2%
E06	Catalan, closed, 5.Nf3	2203	36.4%	53.2%
E07	Catalan, closed, 6...Nbd7	66	28.8%	52.3%
E07	Catalan, closed, Botvinnik variation	59	16.9%	59.3%
E08	Catalan, closed, 7.Qc2	89	31.5%	49.4%
E08	Catalan, closed, Qc2 & b3	201	34.3%	55.5%
E08	Catalan, closed, Spassky gambit	7	14.3%	21.4%
E08	Catalan, closed, Zagoryansky variation	1	100.0%	50.0%
E09	Catalan, closed, Sokolsky variation	1	0.0%	100.0%
E09	Catalan, closed, main line	228	35.1%	56.6%
E10	Blumenfeld counter-gambit	49	30.6%	58.2%
E10	Blumenfeld counter-gambit accepted	70	25.7%	47.1%
E10	Blumenfeld counter-gambit, Dus-Chotimursky variation	201	27.9%	57.2%
E10	Blumenfeld counter-gambit, Spielmann variation	33	24.2%	63.6%
E10	Doery defence	21	28.6%	47.6%
E10	Dzindzikhashvili defence	45	40.0%	44.4%
E10	Queen's pawn game	2828	32.2%	54.8%
E11	Bogo-Indian defence	1350	31.7%	54.9%
E11	Bogo-Indian defence, Gruenfeld variation	1456	33.0%	54.9%
E11	Bogo-Indian defence, Monticelli trap	10	20.0%	50.0%
E11	Bogo-Indian defence, Nimzovich variation	1649	30.0%	57.0%
E12	Queen's Indian defence	309	27.8%	50.2%
E12	Queen's Indian, 4.Nc3	3385	30.3%	52.1%
E12	Queen's Indian, 4.Nc3, Botvinnik variation	30	33.3%	56.7%
E12	Queen's Indian, Miles variation	240	26.7%	52.5%
E12	Queen's Indian, Petrosian system	5725	31.9%	53.2%
E13	Queen's Indian, 4.Nc3, main line	213	28.6%	56.6%
E14	Queen's Indian, 4.e3	1035	29.8%	50.4%
E15	Queen's Indian, 4.g3	367	30.5%	53.7%
E15	Queen's Indian, 4.g3 Bb7	114	35.1%	54.4%
E15	Queen's Indian, Buerger variation	8	12.5%	18.8%
E15	Queen's Indian, Nimzovich variation (exaggerated fianchetto)	18766	30.1%	55.4%
E15	Queen's Indian, Rubinstein variation	43	18.6%	53.5%
E16	Queen's Indian, Capablanca variation	194	37.1%	53.6%
E16	Queen's Indian, Riumin variation	138	28.3%	55.4%
E16	Queen's Indian, Yates variation	254	33.1%	55.5%
E17	Queen's Indian, 5.Bg2 Be7	82	37.8%	50.6%
E17	Queen's Indian, Euwe variation	46	28.3%	59.8%
E17	Queen's Indian, Opovcensky variation	522	28.7%	59.8%
E17	Queen's Indian, anti-Queen's Indian system	168	40.5%	53.0%
E17	Queen's Indian, old main line, 6.O-O	362	30.4%	55.2%
E18	Queen's Indian, old main line, 7.Nc3	1417	34.3%	57.2%
E19	Queen's Indian, old main line, 9.Qxc3	929	33.0%	55.3%
E20	Nimzo-Indian defence	163	28.8%	47.5%
E20	Nimzo-Indian, Kmoch variation	390	25.4%	57.8%
E20	Nimzo-Indian, Romanishin-Kasparov (Steiner) system	337	33.2%	48.4%
E21	Nimzo-Indian, three knights variation	1334	30.7%	52.5%
E21	Nimzo-Indian, three knights, Euwe variation	3	33.3%	50.0%
E21	Nimzo-Indian, three knights, Korchnoi variation	13	38.5%	73.1%
E22	Nimzo-Indian, Spielmann variation	48	31.3%	51.0%
E23	Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc6	9	0.0%	66.7%
E23	Nimzo-Indian, Spielmann, Karlsbad variation	12	50.0%	58.3%
E23	Nimzo-Indian, Spielmann, San Remo variation	1	100.0%	50.0%
E24	Nimzo-Indian, Saemisch variation	80	23.8%	55.6%
E24	Nimzo-Indian, Saemisch, Botvinnik variation	7	14.3%	64.3%
E25	Nimzo-Indian, Saemisch variation	61	34.4%	54.9%
E25	Nimzo-Indian, Saemisch, Keres variation	179	31.8%	50.6%
E25	Nimzo-Indian, Saemisch, Romanovsky variation	31	29.0%	40.3%
E26	Nimzo-Indian, Saemisch variation	27	29.6%	51.9%
E26	Nimzo-Indian, Saemisch, O'Kelly variation	19	26.3%	55.3%
E27	Nimzo-Indian, Saemisch variation	11	36.4%	36.4%
E28	Nimzo-Indian, Saemisch variation	43	27.9%	58.1%
E29	Nimzo-Indian, Saemisch, Capablanca variation	62	41.9%	43.5%
E29	Nimzo-Indian, Saemisch, main line	34	38.2%	57.4%
E30	Nimzo-Indian, Leningrad variation	254	26.8%	52.0%
E30	Nimzo-Indian, Leningrad, ...b5 gambit	17	35.3%	29.4%
E31	Nimzo-Indian, Leningrad, main line	82	25.6%	45.7%
E32	Nimzo-Indian, classical variation	6602	36.1%	52.1%
E32	Nimzo-Indian, classical, Adorjan gambit	75	28.0%	62.0%
E33	Nimzo-Indian, classical, 4...Nc6	61	26.2%	54.1%
E33	Nimzo-Indian, classical, Milner-Barry (Zurich) variation	241	30.3%	55.0%
E34	Nimzo-Indian, classical, Noa variation	368	37.2%	53.7%
E35	Nimzo-Indian, classical, Noa variation, 5.cd ed	307	34.2%	51.3%
E36	Nimzo-Indian, classical, Botvinnik variation	4	0.0%	50.0%
E36	Nimzo-Indian, classical, Noa variation, 5.a3	50	22.0%	57.0%
E37	Nimzo-Indian, classical, Noa variation, main line, 7.Qc2	101	32.7%	60.9%
E37	Nimzo-Indian, classical, San Remo variation	9	44.4%	33.3%
E38	Nimzo-Indian, classical, 4...c5	452	32.1%	57.9%
E39	Nimzo-Indian, classical, Pirc variation	1007	34.1%	57.2%
E40	Nimzo-Indian, 4.e3	84	21.4%	59.5%
E40	Nimzo-Indian, 4.e3, Taimanov variation	48	14.6%	53.1%
E41	Nimzo-Indian, 4.e3 c5	751	34.2%	51.7%
E41	Nimzo-Indian, e3, Huebner variation	625	26.2%	45.6%
E42	Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)	1533	32.2%	56.5%
E43	Nimzo-Indian, Fischer variation	382	29.6%	54.6%
E44	Nimzo-Indian, Fischer variation, 5.Ne2	466	29.2%	53.9%
E45	Nimzo-Indian, 4.e3, Bronstein (Byrne) variation	356	34.0%	55.8%
E46	Nimzo-Indian, 4.e3 O-O	28	25.0%	51.8%
E46	Nimzo-Indian, Reshevsky variation	603	29.2%	52.1%
E46	Nimzo-Indian, Simagin variation	39	33.3%	42.3%
E47	Nimzo-Indian, 4.e3 O-O, 5.Bd3	478	37.4%	56.0%
E48	Nimzo-Indian, 4.e3 O-O, 5.Bd3 d5	349	33.8%	50.1%
E49	Nimzo-Indian, 4.e3, Botvinnik system	277	31.4%	44.6%
E50	Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d5	28	28.6%	42.9%
E51	Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5	77	31.2%	55.8%
E51	Nimzo-Indian, 4.e3, Ragozin variation	26	46.2%	53.8%
E52	Nimzo-Indian, 4.e3, main line with ...b6	225	28.4%	56.0%
E53	Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd7	39	43.6%	60.3%
E53	Nimzo-Indian, 4.e3, Keres variation	46	26.1%	47.8%
E53	Nimzo-Indian, 4.e3, main line with ...c5	815	36.7%	52.6%
E54	Nimzo-Indian, 4.e3, Gligoric system with 7...dc	439	35.5%	52.4%
E54	Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation	32	28.1%	54.7%
E55	Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation	2269	36.3%	53.9%
E56	Nimzo-Indian, 4.e3, main line with 7...Nc6	118	33.9%	46.6%
E58	Nimzo-Indian, 4.e3, main line with 8...Bxc3	1716	28.3%	50.2%
E59	Nimzo-Indian, 4.e3, main line	1820	31.3%	54.4%
E60	King's Indian defence	578	26.6%	53.8%
E60	King's Indian, 3.Nf3	2619	31.4%	54.9%
E60	King's Indian, 3.g3	844	29.6%	56.9%
E60	King's Indian, 3.g3, counterthrust variation	10	10.0%	55.0%
E60	King's Indian, Anti-Gruenfeld	51	19.6%	49.0%
E60	King's Indian, Danube gambit	3	33.3%	50.0%
E60	Queen's pawn, Mengarini attack	97	23.7%	49.0%
E61	King's Indian defence, 3.Nc3	718	24.9%	55.4%
E61	King's Indian, Smyslov system	73	28.8%	54.1%
E62	King's Indian, fianchetto variation	75	32.0%	52.0%
E62	King's Indian, fianchetto with ...Nc6	157	31.8%	58.6%
E62	King's Indian, fianchetto, Kavalek (Bronstein) variation	812	30.3%	59.5%
E62	King's Indian, fianchetto, Larsen system	212	33.5%	55.4%
E62	King's Indian, fianchetto, Simagin variation	70	31.4%	71.4%
E62	King's Indian, fianchetto, Uhlmann (Szabo) variation	246	32.5%	59.3%
E62	King's Indian, fianchetto, lesser Simagin (Spassky) variation	217	26.3%	59.7%
E63	King's Indian, fianchetto, Panno variation	2442	31.0%	57.0%
E64	King's Indian, fianchetto, Yugoslav system	81	25.9%	61.1%
E65	King's Indian, fianchetto, Yugoslav, 7.O-O	118	31.4%	53.8%
E66	King's Indian, fianchetto, Yugoslav Panno	284	30.6%	56.2%
E67	King's Indian, fianchetto with ...Nd7	73	26.0%	62.3%
E67	King's Indian, fianchetto, classical variation	414	35.0%	53.5%
E68	King's Indian, fianchetto, classical variation, 8.e4	1624	30.9%	57.0%
E69	King's Indian, fianchetto, classical main line	1307	30.5%	60.4%
E70	King's Indian, 4.e4	499	29.9%	56.0%
E70	King's Indian, Kramer system	70	28.6%	48.6%
E70	King's Indian, accelerated Averbakh system	57	33.3%	46.5%
E71	King's Indian, Makagonov system (5.h3)	344	27.9%	55.8%
E72	King's Indian with e4 & g3	29	20.7%	58.6%
E72	King's Indian, Pomar system	3	66.7%	33.3%
E73	King's Indian, 5.Be2	32	25.0%	37.5%
E73	King's Indian, Averbakh system	414	25.6%	51.2%
E73	King's Indian, Semi-Averbakh system	24	29.2%	60.4%
E74	King's Indian, Averbakh, 6...c5	72	25.0%	55.6%
E75	King's Indian, Averbakh, main line	25	20.0%	50.0%
E76	King's Indian, Four pawns attack	102	25.5%	52.9%
E76	King's Indian, Four pawns attack, dynamic line	77	28.6%	54.5%
E77	King's Indian, Four pawns attack	199	31.2%	49.7%
E77	King's Indian, Four pawns attack, Florentine gambit	14	35.7%	39.3%
E77	King's Indian, Six pawns attack	2	0.0%	50.0%
E78	King's Indian, Four pawns attack, with Be2 and Nf3	5	60.0%	50.0%
E79	King's Indian, Four pawns attack, main line	108	45.4%	57.9%
E80	King's Indian, Saemisch variation	125	22.4%	50.4%
E81	King's Indian, Saemisch, 5...O-O	1347	26.8%	54.2%
E81	King's Indian, Saemisch, Byrne variation	44	36.4%	45.5%
E82	King's Indian, Saemisch, double fianchetto variation	79	25.3%	54.4%
E83	King's Indian, Saemisch, 6...Nc6	20	30.0%	45.0%
E83	King's Indian, Saemisch, Panno formation	24	8.3%	58.3%
E83	King's Indian, Saemisch, Ruban variation	3	33.3%	50.0%
E84	King's Indian, Saemisch, Panno main line	652	26.5%	54.5%
E85	King's Indian, Saemisch, orthodox variation	29	24.1%	60.3%
E86	King's Indian, Saemisch, orthodox, 7.Nge2 c6	347	25.4%	54.8%
E87	King's Indian, Saemisch, orthodox, 7.d5	230	21.3%	64.6%
E87	King's Indian, Saemisch, orthodox, Bronstein variation	12	16.7%	41.7%
E88	King's Indian, Saemisch, orthodox, 7.d5 c6	437	28.8%	54.2%
E89	King's Indian, Saemisch, orthodox main line	33	18.2%	63.6%
E90	King's Indian, 5.Nf3	578	25.4%	53.9%
E90	King's Indian, Larsen variation	72	29.2%	49.3%
E90	King's Indian, Zinnowitz variation	34	20.6%	54.4%
E91	King's Indian, 6.Be2	459	26.8%	58.1%
E91	King's Indian, Kazakh variation	482	32.4%	58.7%
E92	King's Indian, Andersson variation	198	45.5%	50.5%
E92	King's Indian, Gligoric-Taimanov system	1637	25.5%	57.0%
E92	King's Indian, Petrosian system	102	18.6%	55.4%
E92	King's Indian, Petrosian system, Stein variation	1010	27.4%	51.9%
E92	King's Indian, classical variation	12	16.7%	33.3%
E93	King's Indian, Petrosian system, Keres variation	29	27.6%	41.4%
E93	King's Indian, Petrosian system, main line	128	29.7%	55.5%
E94	King's Indian, orthodox variation	1596	31.3%	56.5%
E94	King's Indian, orthodox, 7...Nbd7	2240	27.5%	56.7%
E94	King's Indian, orthodox, Donner variation	149	26.2%	61.4%
E95	King's Indian, orthodox, 7...Nbd7, 8.Re1	684	30.4%	57.7%
E96	King's Indian, orthodox, 7...Nbd7, main line	255	32.2%	57.6%
E97	King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)	4286	26.5%	55.2%
E97	King's Indian, orthodox, Aronin-Taimanov, bayonet attack	3438	29.1%	57.1%
E98	King's Indian, orthodox, Aronin-Taimanov, 9.Ne1	3674	21.2%	58.0%
E99	King's Indian, orthodox, Aronin-Taimanov, Benko attack	94	24.5%	47.3%
E99	King's Indian, orthodox, Aronin-Taimanov, main line	160	20.0%	58.8%