Ruy Lopez

235 named lines, ECO C60–C99. The main position arises after1. e4 e5 2. Nf3 Nc6 3. Bb5.

Line	Games	White / draw / Black
Ruy Lopez C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5	259,246	51%44%
Alapin Defense C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bb4	805	58%38%
Berlin Defense (3. Bb5 Nf6) C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6	50,114	52%43%
Bird Variation C61 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4	13,414	51%45%
Brentano Gambit C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 g5	32	59%41%
Bulgarian Variation C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a5	131	65%31%
Classical Variation C64 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5	32,803	50%46%
Cozio Defense C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7	15,041	50%45%
Fianchetto Defense C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6	806	46%49%
Lucena Variation C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Be7	524	48%47%
Morphy Defense (3. Bb5 a6) C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6	61,746	51%44%
Nürnberg Variation C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 f6	3,779	53%42%
Pollock Defense C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Na5	169	62%33%
Retreat Variation C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nb8	69	65%32%
Rotary-Albany Gambit C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 b6	245	58%39%
Schliemann Defense C63 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5	6,217	46%50%
Spanish Countergambit C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 d5	1,268	57%39%
Steinitz Defense (3. Bb5 d6) C62 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6	57,464	52%43%
Vinogradov Variation C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Qe7	966	51%45%
Berlin Defense (3… Nf6 4. O-O) C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O	16,616	55%40%
Berlin Defense, Anti-Berlin Variation C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3	10,956	51%45%
Classical Variation, Central Variation C64 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3	7,186	54%42%
Classical Variation, Spanish Wing Gambit C64 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. b4	53	40%57%
Exchange Variation C68 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6	23,655	50%44%
Halloween Attack C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nxe5	58	28%69%
Schliemann Defense, Dyckhoff Variation C63 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3	710	51%46%
Schliemann Defense, Exchange Variation C63 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Bxc6	1,617	45%51%
Schliemann Defense, Jaenisch Gambit Accepted C63 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5	1,264	42%54%
Schliemann Defense, Schönemann Attack C63 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4	359	54%42%
Steinitz Defense (3… d6 4. d4) C62 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4	14,303	54%41%
Berlin Defense, Anti-Berlin Variation, Mortimer Variation C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7	202	40%55%
Berlin Defense, Beverwijk Variation C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5	4,469	56%41%
Berlin Defense, Fishing Pole Variation C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Ng4	137	48%49%
Berlin Defense, Improved Steinitz Defense C66 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6	3,352	54%41%
Berlin Defense, Rio Gambit Accepted C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4	4,903	52%41%
Bird's Defense Deferred C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nd4	101	54%46%
Classical Defense, Boden Variation C64 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Qe7	87	45%53%
Classical Variation, Charousek Variation C64 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Bb6	112	53%45%
Classical Variation, Cordel Gambit C64 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5	72	49%44%
Classical Variation, Konikowski Gambit C64 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 d5	55	56%44%
Cozio Defense, Paulsen Variation C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 g6	297	54%42%
Exchange Variation, Lutikov Variation C68 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6	4,597	57%38%
Fianchetto Defense, Kevitz Gambit C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 f5	2	100%
Morphy Defense, Alapin's Defense Deferred C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bb4	38	66%32%
Morphy Defense, Caro Variation C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5	10,152	56%41%
Morphy Defense, Classical Defense Deferred C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5	2,307	52%44%
Morphy Defense, Cozio Defense C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7	243	40%52%
Morphy Defense, Fianchetto Defense Deferred C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6	91	43%53%
Morphy Defense, Modern Steinitz Defense (4. Ba4 d6) C71 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6	3,307	50%44%
Morphy Defense, Schliemann Defense Deferred C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5	335	43%52%
Berlin Defense, Anti-Berlin Variation, Anderssen Variation C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Bxc6+	227	49%47%
Berlin Defense, Anti-Berlin Variation, Duras Variation C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c4	16	50%12%38%
Berlin Defense, Anti-Berlin Variation, Kaufmann Variation C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Be3	132	53%42%
Berlin Defense, Nyholm Attack C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 exd4 5. O-O	100	56%41%
Classical Defense, Zaitsev Variation C64 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nd4 5. b4	–
Classical Variation, Zukertort Gambit C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c3	1,699	59%37%
Exchange Variation, Keres Variation C68 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3	1,808	51%43%
Exchange Variation, Normal Variation C69 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O	5,847	51%43%
Morphy Defense (4… Nf6 5. O-O) C78 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O	11,962	50%44%
Morphy Defense, Anderssen Variation C77 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3	4,907	50%45%
Morphy Defense, Bayreuth Variation C77 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6	157	47%47%
Morphy Defense, Jaffe Gambit C77 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. c3	241	51%43%
Morphy Defense, Mackenzie Variation C77 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4	519	57%39%
Morphy Defense, Modern Steinitz Defense (4… d6 5. Nc3) C71 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Nc3	110	59%35%
Morphy Defense, Modern Steinitz Defense (4… d6 5. c4) C71 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4	31	48%13%39%
Morphy Defense, Modern Steinitz Defense (4… d6 5. O-O) C72 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O	1,042	51%44%
Morphy Defense, Modern Steinitz Defense (4… d6 5. c3) C74 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3	816	54%42%
Morphy Defense, Schliemann Defense Deferred, Jaenisch Gambit Deferred C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5 5. exf5	54	46%46%
Morphy Defense, Tarrasch Variation C77 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3	1,176	50%45%
Morphy Defense, Wormald Attack C77 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2	423	52%43%
Spanish Countergambit, Harding Countergambit, Fricke Gambit C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 d5 4. Nxe5 Qg5 5. O-O	–
Spanish Countergambit, Harding Gambit C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 d5 4. Nxe5 Qg5 5. Nxc6	6	50%50%
Steinitz Defense, Center Gambit C62 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. O-O	85	46%48%
Steinitz Defense, Semi-Duras Variation C62 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. c4	16	38%63%
Alapin Defense, Alapin Gambit C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bb4 4. c3 Ba5 5. Bxc6 dxc6	13	62%15%23%
Berlin Defense, Anti-Berlin Variation, Mortimer Trap C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 5. Nxe5 c6	65	34%63%
Berlin Defense, l'Hermet Variation C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6	832	44%45%
Berlin Defense, Rio de Janeiro Variation (5. d4 Be7) C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7	41	54%46%
Berlin Defense, Rosenthal Variation C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 a6	44	70%30%
Bird Variation, Paulsen Variation C61 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O Ne7	20	55%40%
Brix Variation C78 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O g6	10	70%20%
Central Countergambit C78 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d5	49	61%39%
Closed (5. O-O Be7) C84 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7	4,456	49%44%
Closed Berlin Defense, Chigorin Variation C66 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Nd7	1	100%
Exchange Variation, Bronstein Variation C69 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd6	118	43%51%
Exchange Variation, Gligoric Variation C69 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6	838	47%47%
Exchange Variation, King's Bishop Variation C69 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6	2,128	52%43%
Morphy Defense, Graz Variation C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5	1,854	52%45%
Morphy Defense, Modern Steinitz Defense (5. c3 Bd7) C75 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7	213	53%42%
Morphy Defense, Modern Steinitz Defense, Siesta Variation C74 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5	140	51%44%
Morphy Defense, Møller Variation C78 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5	1,172	53%43%
Morphy Defense, Norwegian Variation C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5	590	51%42%
Morphy Defense, Steinitz Deferred (5. O-O d6) C79 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6	896	50%45%
Open (5. O-O Nxe4) C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4	1,256	50%44%
Schliemann Defense, Kostić Defense C63 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Be7	1	100%
Schliemann Defense, Tartakower Variation C63 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6	202	53%43%
Berlin Defense, Minckwitz Variation C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. dxe5	12	58%42%
Closed, Center Attack C84 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4	139	54%44%
Closed, Delayed Exchange C85 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6	156	51%13%36%
Closed, Martinez Variation C84 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3	350	52%41%
Closed, Morphy Attack C84 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3	65	49%43%
Closed, Worrall Attack C86 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2	31	61%29%
Exchange Variation, Romanovsky Variation C68 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d3	53	49%43%
Morphy Defense, Duras Variation C77 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4	17	47%12%41%
Morphy Defense, Modern Steinitz Defense (5… bxc6 6. d4) C73 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4	65	51%14%35%
Morphy Defense, Norwegian Variation, Nightingale Gambit C70 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. Bxf7+	69	43%51%
Morphy Defense, Tartakower Variation C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Qe2	6	67%33%
Open (5… Nxe4 6. d4) C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4	521	52%41%
Open Berlin Defense, l'Hermet Variation C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5	125	47%13%40%
Open Berlin Defense, Showalter Variation C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Ba4	44	57%34%
Open, Knorre Variation C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Nc3	1	100%
Steinitz Defense, Nimzowitsch Attack C62 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Nc3 Nf6 6. Bxc6	11	64%27%
Berlin Defense, Closed Wolf Variation C66 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 exd4	14	64%36%
Berlin Defense, Hedgehog Variation C66 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7	4	75%25%
Berlin Defense, Trifunovic Variation C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 d5	1	100%
Classical Defense, Benelux Variation C64 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c3 O-O 6. d4 Bb6	67	49%46%
Closed, Averbakh Variation C87 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6	156	54%42%
Exchange Variation, Alapin Gambit C69 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5	407	47%49%
Morphy Defense (6. Bb3 d6) C78 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6	323	57%39%
Morphy Defense, Arkhangelsk Variation C78 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7	179	41%51%
Morphy Defense, Modern Steinitz Defense (6. d4 f6) C73 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6	17	35%59%
Morphy Defense, Modern Steinitz Defense (6. d4 Nge7) C75 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7	15	60%40%
Morphy Defense, Modern Steinitz Defense, Fianchetto Variation C76 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 a6 5. Ba4 d6 6. d4 Bd7	1	100%
Morphy Defense, Neo-Arkhangelsk Variation C78 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5	1,336	49%46%
Open, Riga Variation C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 exd4	72	51%42%
Open, Skipworth Gambit C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 d5	93	69%30%
Berlin Defense, Closed Bernstein Variation C66 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5	1	100%
Berlin Defense, Closed Showalter Variation C66 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bxc6	1	100%
Classical Variation, Modern Main Line C64 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c3 O-O 6. d4 Bb6 7. Bg5	17	59%35%
Closed (6… b5 7. Bb3) C88 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3	2,998	48%45%
Morphy Defense, Modern Steinitz Defense (6… Bxf5 7. O-O) C74 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. O-O	27	52%41%
Morphy Defense, Wing Attack C78 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. a4	40	40%50%
Open (6… b5 7. Bb3) C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3	349	51%41%
Open, Friess Attack C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Nxe5	2	100%
Open, Richter Variation C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. d5	1	100%
Berlin Defense, l'Hermet Variation, Westerinen Line C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Ne4	4	75%25%
Berlin Defense, Tarrasch Trap C66 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Nc3 Nf6 6. O-O Be7 7. Re1 O-O	8	75%25%
Closed (7. Bb3 O-O) C88 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O	1,862	48%45%
Closed, Trajkovic Counterattack C88 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 Bb7	29	41%55%
Closed, Worrall Attack, Castling Line (7. Bb3 O-O) C86 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O	13	46%16%38%
Closed, Worrall Attack, Delayed Castling Line C86 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6	13	69%23%
Exchange Variation, Alekhine Variation C68 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd6	48	48%12%40%
Exchange, Alekhine Variation C68 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7	180	41%12%47%
Morphy Defense, Steinitz Deferred (7. d4 Nxe4) C79 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4	2	50%50%
Schliemann Defense, Classical Variation C63 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qg5	47	43%51%
Schliemann Defense, Möhring Variation C63 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5	13	62%38%
Steinitz Defense Deferred, Lipnitsky Variation C79 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Bg4	–
Closed, Anti-Marshall C88 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4	326	56%37%
Closed, Basque Gambit C84 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 exd4 7. e5 Ne4 8. c3	3	67%33%
Closed, Rosen Attack C88 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. d4	18	39%50%
Open (7… d5 8. dxe5) C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5	281	48%43%
Open, Harksen Gambit C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. c4	–
Berlin Defense, Cordel Variation C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nf5	–
Berlin Defense, l'Hermet Variation, Berlin Wall Defense C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8	437	42%14%44%
Closed (8. c3 O-O) C90 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O	593	48%45%
Closed, Center Attack, Basque Gambit C84 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 exd4 7. e5 Ne4 8. c3 dxc3	1	100%
Cozio Defense, Tartakower Gambit C60 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 exd4 5. Nxd4 Bg7 6. Be3 Nge7 7. Nc3 O-O 8. Qd2 d5	–
Marshall Attack (8. c3 d5) C89 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5	805	41%53%
Noah's Ark Trap (8. Qxd4 c5) C71 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 d6 6. d4 Nxd4 7. Nxd4 exd4 8. Qxd4 c5	8	13%24%63%
Open, Main Line C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6	276	48%43%
Open, Schlechter Defense C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 Nxd4	1	100%
Open, Zukertort Variation C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Ne7	–
Wormald Attack, Grünfeld Variation C77 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4	–
Berlin Defense, Pillsbury Variation C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. b3	–
Berlin Defense, Winawer Attack C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nd4	–
Berlin Defense, Zukertort Variation C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. c4	–
Closed (8… O-O 9. h3) C92 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3	439	47%44%
Closed, Lutikov Variation C90 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. Bc2	1	100%
Closed, Pilnik Variation C90 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d3 d6 9. c3	47	51%43%
Closed, Suetin Variation C90 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. a3	–
Closed, Worrall Attack, Castling Line (8… d5 9. d3) C86 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 O-O 8. c3 d5 9. d3	–
Closed, Yates Variation C91 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4	108	46%50%
Open (8… Be6 9. c3) C82 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3	142	55%37%
Open, Bernstein Variation C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2	65	48%43%
Open, Howell Attack (8… Be6 9. Qe2) C81 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2	17	29%65%
Berlin Defense, Berlin Wall C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 Bd7	31	19%26%55%
Closed, Bogoljubow Variation C91 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4	74	41%57%
Closed, Breyer Defense (9. h3 Nb8) C94 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8	145	44%46%
Closed, Chigorin Defense (9. h3 Na5) C97 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5	182	51%43%
Closed, Flohr System C92 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7	62	55%37%
Closed, Karpov Variation C92 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7	9	22%67%
Closed, Kecskemet Variation C72 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. d4 Be7 8. Nbd2 O-O 9. Re1 Be8	–
Closed, Kholmov Variation C92 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Be6	4	25%25%50%
Closed, Smyslov Defense C93 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6	21	29%62%
Closed, Zaitsev System C92 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Re8	12	58%42%
Marshall Attack, Steiner Variation C89 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4	43	30%70%
Open, Berlin Variation C82 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5	6	50%17%33%
Open, Classical Defense (9. c3 Be7) C83 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7	54	44%46%
Open, Italian Variation C82 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5	81	62%32%
Closed, Breyer C95 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4	136	45%46%
Closed, Breyer Defense, Quiet Variation C94 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d3	7	29%28%43%
Closed, Chigorin Defense (9… Na5 10. Bc2) C96 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2	181	50%43%
Closed, Yates Variation, Short Attack C91 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. a4	–
Open, Berger Variation C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 Nxd4 9. Nxd4 exd4 10. Nc3	–
Open, Bernstein Variation, Luther Line C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Bc5 10. Qe1	–
Open, Classical Defense, Main Line C83 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 Be7 7. Re1 b5 8. Bb3 d5 9. dxe5 Be6 10. c3	5	60%40%
Open, Howell Attack (9… Be7 10. c4) C81 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. c4	–
Open, Motzko Attack C82 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3	3	67%33%
Open, St. Petersburg Variation C82 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2	63	59%33%
Steinitz Defense Deferred, Boleslavsky Variation C79 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4 8. Re1 f5 9. dxe5 d5 10. Nc3	–
Closed, Breyer Defense, Zaitsev Hybrid C95 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7	136	45%46%
Closed, Chigorin Defense (10. Bc2 c5) C96 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5	179	50%44%
Closed, Chigorin Defense, Gajewski Gambit C96 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 d5	1	100%
Marshall Attack (10. a4 Bb7) C89 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. a4 Bb7	3	67%33%
Noah's Ark Trap (10. Qxd4 c5) C88 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. d4 Nxd4 9. Nxd4 exd4 10. Qxd4 c5	1	100%
Open, Classical Defense (10. c3 Be7) C83 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7	12	58%17%25%
Open, Motzko Attack, Nenarokov Variation C82 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3 Ne7	–
Rabinovich Variation C78 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6 7. Ng5 d5 8. exd5 Nd4 9. Re1 Bc5 10. Rxe5+ Kf8	–
Closed, Balla Variation C88 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. a4	2	100%
Closed, Breyer Defense (10… Nbd7 11. Nh4) C95 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nh4	–
Open, Karpov Gambit C80 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 d4 11. Ng5	1	100%
Open, Malkin Variation C83 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 O-O 11. Qe2	1	100%
Closed, Borisenko Variation C96 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nc6	3	67%33%
Closed, Chigorin Defense (11. d4 Qc7) C97 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7	122	47%47%
Closed, Keres Defense C96 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7	16	50%12%38%
Closed, Rossolimo Defense C96 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c6 11. d4 Qc7	–
Marshall Attack, Modern Variation C89 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6	441	41%53%
Marshall Attack, Original Marshall Attack C89 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 Nf6	75	33%65%
Open, Breslau Variation C83 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11. Nd4 Nxe5	–
Open, Dilworth Variation C82 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O 11. Bc2 Nxf2	15	60%40%
Marshall Attack, Main Line C89 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4	299	40%55%
Closed, Breyer Defense (12. Bc2 c5) C95 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 c5	5	60%40%
Closed, Chigorin Defense (12. Nbd2 Nc6) C98 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6	13	38%62%
Closed, Smyslov-Breyer-Zaitsev Hybrid C92 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a3 h6	3	33%34%33%
Open, Howell Attack, Ekstrom Variation C81 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O 11. c4 bxc4 12. Bxc4 Qd7	–
Closed, Chigorin Defense (12… Nc6 13. dxc5) C98 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5	1	100%
Closed, Chigorin Defense, Panov System C99 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4	30	43%50%
Open, Tarrasch Trap C83 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11. Nd4 Qd7 12. Nxe6 fxe6 13. Rxe4	–
Berlin Defense, Rio de Janeiro Variation (13. Bxd4 c5) C67 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nc3 O-O 10. Re1 Nc5 11. Nd4 Ne6 12. Be3 Nxd4 13. Bxd4 c5	–
Closed, Leonhardt Variation C88 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3 Nc6 12. d5 Nb8 13. Nbd2 g5	–
Closed, Alekhine Gambit C88 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. Nbd2 O-O 12. Nf1 Bg4 13. Ne3 Bxf3 14. Qxf3	–
Marshall Attack, Re3 Variation C89 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Bxd5 cxd5 13. d4 Bd6 14. Re3	10	50%40%
Closed, Chigorin, Yugoslav System C97 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Rfe8 14. Ne3 g6	–
Marshall Attack, Modern Main Line C89 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3	239	41%54%
Marshall Attack, Main Line, Spassky Variation C89 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 Rae8 17. Nd2 Re6 18. a4 Qh5	1	100%