ECO C00–C99
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ECO C00–C99 Major Openings C00-C19 French C20 King's Pawn C21-C22 Center Game C23-C24 Bishop's Opening C25-C28 Vienna C29 Vienna Gambit C30 King's Gambit Declined C31-C32 Falkbeer Counter-Gambit C33-C39 King's Gambit Accepted C40 Irregular King's Knight C41 Philidor C42-C43 Petrov C44 King's Knight/ Ponziani/Scotch C45 Scotch C46 Three Knights C47-C49 Four Knights C50 Italian C51-C52 Evans Gambit C53-C54 Giuoco Piano C55-C59 Two Knights C60-C99 Spanish
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C00-C19 French
C00 French: 1.e4 e6 2.e5 French: Steinitz 2.f4 French: Labourdonnais 2.b3 French: Spielmann 2.g3 French: Réti 2.c4 French: Steiner 2.c4 d5 3.cxd5 exd5 4.Qb3 French: Steiner (Orthoschnapp) 2.Nc3 French: Queen's Knight 2.Nc3 d5 3.f4 French: Queen's Knight (Pelikán) 2.Nf3 French: King's Knight 2.Nf3 d5 3.e5 c5 4.b4 French: King's Knight (Wing Gambit) 2.Nf3 d5 3.Nc3 French: Two Knights 2.Bb5 French: Bird 2.Qe2 French: Chigorin 2.d3 French: Hanham 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Nc6 5.Be2 French: Hanham (Reversed Philidor)
C01 Alekhine: 1.e4 e6 2.d4 2...c5 French: Franco-Benoni 2...d6 French: Lengfellner 2...a6 French: St. George 2...a6 3.c4 b5 4.cxb5 axb5 5.Bxb5 French: St. George (St. George Gambit) 2...d5 3.Be3 French: Alapin 2...d5 3.Bd3 French: Schlechter 2...d5 3.exd5 French: Exchange 2...d5 3.exd5 exd5 4.Nc3 Bb4 5.Bd3 Ne7 French: Exchange (Canal) 2...d5 3.exd5 exd5 4.Nc3 Nf6 French: Exchange (Svenonius) 2...d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5 Nc6 French: Exchange (Bogolubov)
C02 French: Advance: 1.e4 e6 2.d4 d5 3.e5 3...Bd7 French: Advance (Bishop Swap) 3...c5 4.dxc5 French: Advance (Steinitz) 3...c5 4.Qg4 French: Advance (Nimzovich Attack) 3...c5 4.Qg4 cxd4 5.Nf3 French: Advance (Nimzovich Gambit) 3...c5 4.Nf3 French: Advance (Nimzovich) 3...c5 4.c3 Qb6 5.Nf3 Bd7 French: Advance (Wade) 3...c5 4.c3 Nc6 5.Nf3 French: Advance (Paulsen) 3...c5 4.c3 Nc6 5.Nf3 Bd7 French: Advance (Euwe) 3...c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 French: Advance (Milner-Barry)
C03 French: Tarrasch: 1.e4 e6 2.d4 d5 3.Nd2 3...f5 French: Tarrasch (Haberditz)
C04 French: Tarrasch (Guimard): 1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 French: Tarrasch (Byrne)
C05 French: Closed Tarrasch: 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.f4 French: Closed Tarrasch (Pawn Center) 4.e5 Nfd7 5.f4 c5 6.c3 Nc6 7.Ndf3 cxd4 8.cxd4 Nb6 French: Closed Tarrasch (Leningrad) 4.e5 Nfd7 5.Bd3 c5 6.c3 b6 French: Closed Tarrasch (Botvinnik)
C06 French: Closed Tarrasch: 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 Nb6 French: Closed Tarrasch (Russian)
C07 French: Open Tarrasch: 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Nf6 French: Open Tarrasch (Shaposhnikov) 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd8 French: Open Tarrasch (Eliskases)
C08 French: Open Tarrasch (Exchange): 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5
C09 French: Open Tarrasch (Exchange): 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6
C10 French: Paulsen: 1.e4 e6 2.d4 d5 3.Nc3 3...c5 French: Paulsen (Marshall) 3...dxe4 French: Rubinstein 3...dxe4 4.Nxe4 Qd5 French: Rubinstein (Becker) 3...dxe4 4.Nxe4 Bd7 5.Nf3 Bc6 French: Rubinstein (Fort Knox) 3...dxe4 4.Nxe4 Bd7 5.Nf3 Ngf6 French: Rubinstein (Capablanca)
C11 French: Paulsen: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Be3 French: Paulsen (Henneberger) 4.exd5 French: Paulsen (Svenonius) 4.Bd3 French: Paulsen (Swiss) 4.Bg5 dxe4 French: Paulsen (Burn) 4.e5 French: Steinitz 4.e5 Nfd7 5.Qg4 French: Steinitz (Gledhill) 4.e5 Nfd7 5.f4 c5 6.dxc5 Bxc5 7.Qg4 French: Steinitz (Bradford) 4.e5 Nfd7 5.f4 c5 6.dxc5 Nc6 7.a3 Bxc5 8.Qg4 0-0 9.Nf3 f6 French: Steinitz (Brodsky-Jones) 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 French: Steinitz (Boleslavsky)
C12 French: MacCutcheon: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.exd5 Qxd5 6.Bxf6 gxf6 7.Qd2 Qa5 French: MacCutcheon (Bogolubov) 5.e5 French: MacCutcheon (Advance) 5.e5 h6 6.exf6 French: MacCutcheon (Chigorin) 5.e5 h6 6.exf6 hxg5 7.fxg7 Rg8 8.h4 gxh4 9.Qg4 French: MacCutcheon (Grigoriev) 5.e5 h6 6.Bc1 French: MacCutcheon (Olland) 5.e5 h6 6.Bh4 French: MacCutcheon (Bernstein) 5.e5 h6 6.Be3 French: MacCutcheon (Janowski) 5.e5 h6 6.Bd2 French: MacCutcheon (Lasker) 5.e5 h6 6.Bd2 Nfd7 French: MacCutcheon (Tartakower) 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 Kf8 9.Bc1 French: MacCutcheon (Duras)
C13 French: Classical: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6 French: Classical (Anderssen) 5.Bxf6 Bxf6 6.e5 Be7 7.Qg4 French: Classical (Richter) 5.e5 Ng8 French: Classical (Vistaneskis) 5.e5 Ng8 6.Be3 b6 French: Classical (Frankfurt) 5.e5 Ne4 French: Classical (Tartakower) 5.e5 Nfd7 6.h4 French: Albin 5.e5 Nfd7 6.h4 f6 French: Albin (Teichmann) 5.e5 Nfd7 6.h4 c5 French: Albin (Breyer) 5.e5 Nfd7 6.h4 0-0 French: Albin (Spielmann) 5.e5 Nfd7 6.h4 a6 French: Albin (Maróczy)
C14 French: Classical: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 6...Qxe7 7.Qd2 French: Classical (Rubinstein) 6...Qxe7 7.Qd2 0-0 8.f4 c5 9.Nf3 10.0-0-0 c4 French: Classical (Stĺhlberg) 6...Qxe7 7.Qg4 French: Classical (Pollock) 6...Qxe7 7.Bd3 French: Classical (Tarrasch) 6....Qxe7 7.Nb5 French: Classical (Alapin) 6....Qxe7 7.f4 French: Classical (Steinitz)
C15 French: Winawer 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd2 French: Winawer (Fingerslip) 4.Bd3 c5 5.exd5 Qxd5 6.Bd2 French: Winawer (Kondratiev) 4.Nge2 French: Winawer (Maróczy) 4.Nge2 dxe4 5.a3 Be7 6.Nxe4 Nf6 7.N2g3 0-0 8.Be2 Nc6 French: Winawer (Alatortsev) 4.Nge2 dxe4 5.a3 Be7 6.Nxe4 Nc6 7.g4 French: Winawer (Alekhine) 4.Nge2 dxe4 5.a3 Bxc3+ French: Winawer (Alekhine Gambit) 4.Nge2 dxe4 5.a3 Bxc3+ 6.Nxc3 Nc6 French: Winawer (Kan)
C16 French: Advance Winawer: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 4...Qd7 French: Advance Winawer (Petrosian)
C17 French: Advance Winawer: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Qg4 French: Advance Winawer (Russian) 5.Bd2 French: Advance Winawer (Bogolubov) 5.a3 Ba5 6.b4 cxd4 French: Advance Winawer (Armenian) 5.a3 cxd4 6.axb4 dxc3 7.Nf3 French: Advance Winawer (Rauzer)
C18 French: Advance Winawer: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 6...Qc7 French: Advance Winawer (Classical) 6...Ne7 7.Qg4 French: Advance Winawer (Poisoned Pawn) 6...Ne7 7.Qg4 Qc7 8.Qxg7 Rg8 9.Qxh7 cxd4 10.Kd1 French: Advance Winawer (Euwe) 6...Ne7 7.Qg4 Qc7 8.Qxg7 Rg8 9.Qxh7 cxd4 10.Ne2 French: Advance Winawer (Konstantinopolsky)
C19 French: Advance Winawer: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.a4 French: Advance Winawer (Smyslov)
C20 King's Pawn: 1.e4 e5 2.a3 King's Pawn: Mengarini 2.Qf3 King's Pawn: Napoleon 2.Bb5 King's Pawn: Portuguese 2.Bd3 King's Pawn: Tortise 2.Qh5 King's Pawn: Wayward Queen 2.Qh5 Nc6 3.Bc4 Nh6 4.d3 g6 5.Qf3 f6 6.Ne2 d5 King's Pawn: Wayward Queen (Mellon) 2.f3 King's Pawn: King's Head 2.f3 Nf6 King's Pawn: King's Head (Walkerling) 2.d3 King's Pawn: Indian 2.d3 f5 King's Pawn: Indian Gambit 2.c3 King's Pawn: MacLeod 2.c4 King's Pawn: Whale 2.Ne2 King's Pawn: Alapin
C21-C22 Center Game
C21 Center Game: 1.e4 e6 2.d4 2...d5 Center Game: Breyer 2...d6 Center Game: Maróczy 2...d6 3.dxe5 Bd7 Center Game: Maróczy (Philidor) 2...exd4 3.f4 Center Game: Halasz 2...exd4 3.Nf3 c5 4.Bc4 b5 Center Game: Kieseritzky 2...exd4 3.c3 Center Game: Danish 2...exd4 3.c3 Ne7 Center Game: Danish (Svenonius) 2...exd4 3.c3 Qe7 4.cxd4 Qxe4+ 5.Be2 Qxg2 6.Bf3 Qg6 Center Game: Danish (Rosentreter) 2...exd4 3.c3 d5 Center Game: Danish (Sorensen) 2...exd4 3.c3 d5 4.exd5 Nf6 5.cxd4 Bb4+ Center Game: Danish (Schlechter Attack) 2...exd4 3.c3 dxc3 4.Nxc3 Bb4 5.Bc4 Center Game: Danish (Alekhine) 2...exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 Qe7 Center Game: Danish (Collijn) 2...exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 d5 Center Game: Danish (Schlechter Defense)
C22 Center Game: 1.e4 e5 2.d4 exd4 3.Qxd4 3...Nc6 4.Qc4 Center Game: Hall 3...Nc6 4.Qe3 Center Game: Paulsen 3...Nc6 4.Qe3 f5 Center Game: Paulsen (L'Hermet) 3...Nc6 4.Qe3 Bb4+ 5.c3 Be7 Center Game: Paulsen (Charousek) 3...Nc6 4.Qe3 Nf6 Center Game: Paulsen (Berger) 3...Nc6 4.Qe3 Nf6 5.Nc3 Bb4 6.Bd2 0-0 7.0-0-0 Re8 8.Bc4 d6 9.Nh3 Center Game: Paulsen (Kupreichik)
C23-C24 Bishop's Opening
C23 Bishop's Opening: 1.e4 e5 2.Bc4 2...f5 Bishop's Opening: Calabrian 2...f5 3.d3 Bishop's Opening: Calabrian (Jaenisch) 2...c6 Bishop's Opening: Philidor Counter-Attack 2...c6 3.d4 d5 4.exd5 cxd5 5.Bb5+ Bd7 6.Bxd7+ Nxd7 7.dxe5 Nxe5 8.Ne2 Bishop's Opening: Philidor Counter-Attack (Lisitsin) 2...Bc5 Bishop's Opening: Classical 2...Bc5 3.d4 Bishop's Opening: Classical (Lewis) 2...Bc5 3.Qe2 Nc6 4.c3 Nf6 5.f4 Bishop's Opening: Classical (López) 2...Bc5 3.Nf3 d6 4.c3 Qe7 5.d4 Bishop's Opening: Classical (Petrov) 2...Bc5 3.b4 Bishop's Opening: Wing Gambit 2...Bc5 3.b4 Bxb4 4.f4 Bishop's Opening: Wing Gambit (McDonnell) 2...Bc5 3.b4 Bxb4 4.f4 exf4 5.Nf3 Be7 6.d4 Bh4+ 7.g3 fxg3 8.0-0 gxh2+ 9.Kh1 Bishop's Opening: Wing Gambit (Four Pawns) 2...Bc5 3.c3 Bishop's Opening: Philidor 2...Bc5 3.c3 Qg5 Bishop's Opening: Philidor (del Rio) 2...Bc5 3.c3 d5 Bishop's Opening: Philidor (Lewis) 2...Bc5 3.c3 Nf6 4.d4 exd4 5.e5 d5 6.exf6 dxc4 7.Qh5 0-0 Bishop's Opening: Philidor (Pratt)
C24 Bishop's Opening: Berlin: 1.e4 e5 2.Bc4 Nf6 3.f3 Bishop's Opening: Berlin (Walkerling) 3.f4 Bishop's Opening: Berlin (Greco) 3.d3 Be7 4.Nf3 0-0 Bishop's Opening: Berlin (Kitchener) 3.d4 Bishop's Opening: Berlin (Ponziani) 3.d4 exd4 4.Nf3 Bishop's Opening: Berlin (Urusov) 3.d4 exd4 4.Nf3 d5 5.exd5 Bb4+ 6.c3 Qe7+ Bishop's Opening: Berlin (Panov)
C25-C28 Vienna
C25 Vienna: 1.e4 e5 2.Nc3 2...Bb4 3.Qg4 Vienna: Zhuravlev 2...Bc5 Vienna: Anderssen 2...Bc5 3.Qg4 Vienna: Anderssen (Giraffe) 2...Bc5 3.Na4 Vienna: Anderssen (Hamppe) 2...Bc5 3.b4 Bxb4 4.f4 exf4 Vienna: Anderssen (McDonnell) 2...Nc6 Vienna: Lange 2...Nc6 3.d4 Vienna: Lange (Fyfe) 2...Nc6 3.g3 Vienna: Lange (Paulsen) 2...Nc6 3.f4 Vienna: Lange (Gambit) 2...Nc6 3.f4 exf4 4.d4 Vienna: Steinitz 2...Nc6 3.f4 exf4 4.d4 Qh4+ 5.Ke2 b6 Vienna: Steinitz (Fraser-Minckwitz) 2...Nc6 3.f4 exf4 4.d4 Qh4+ 5.Ke2 b6 6.Nb5 Ba6 7.a4 g5 8.Nf3 Qh5 9.Ke1 Kd8 10.g4 Vienna: Steinitz (Bauer) 2...Nc6 3.f4 exf4 4.d4 Qh4+ 5.Ke2 d5 Vienna: Steinitz (Zukertort) 2...Nc6 3.f4 exf4 4.d4 Qh4+ 5.Ke2 d5 6.exd5 Qe7+ 7.Kf2 Qh4+ 8.g3 fxg3+ 9.hxg3 Vienna: Steinitz (Chigorin) 2...Nc6 3.f4 exf4 4.Nf3 g5 5.Bc4 g4 6.0-0 Vienna: Hamppe-Muzio 2...Nc6 3.f4 exf4 4.Nf3 g5 5.Bc4 g4 6.0-0 gxf3 7.Qxf3 Ne5 8.Qxf4 Qf6 Vienna: Hamppe-Muzio (Dubois) 2...Nc6 3.f4 exf4 4.Nf3 g5 5.h4 g4 6.Ng5 Vienna: Hamppe-Allgaier 2...Nc6 3.f4 exf4 4.Nf3 g5 5.h4 g4 6.Ng5 d6 Vienna: Hamppe-Allgaier (Alapin) 2...Nc6 3.f4 exf4 4.Nf3 g5 5.d4 Vienna: Pierce 2...Nc6 3.f4 exf4 4.Nf3 g5 5.d4 6.Bc4 gxf3 7.0-0 d5 8.exd5 Bg4 9.dxc6 Vienna: Pierce (Rushmere)
C26 Vienna: Falkbeer: 1.e4 e5 2.Nc3 Nf6 3.f3 Vienna: Falkbeer (Walkerling) 3.a3 Vienna: Falkbeer (Mengarini) 3.g3 Vienna: Falkbeer (Mieses) 3.Bc4 Bc5 4.Nd3 Vienna: Falkbeer (Spielmann)
C27 Vienna: Falkbeer: 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6 6.Nb5 g6 7.Qf3 f5 8.Qd5 Qe7 9.Nxc7+ Kd8 10.Nxa8 b6 Vienna: Falkbeer (Frankenstein-Dracula) 4.Qh5 Nd6 5.Bb3 Nc6 6.d4 Vienna: Falkbeer (Adams) 4.Qh5 Nd6 5.Bb3 Be7 6.Nf3 Nc6 7.Nxe5 Vienna: Falkbeer (Alekhine)
C28 Vienna: Falkbeer (Three Knights) 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nc6
C29 Vienna Gambit: 1.e4 e5 2.Nc3 Nf6 3.f4 3...d5 4.d3 Vienna Gambit: Steinitz 3...d5 4.d3 Bb4 5.fxe5 Nxe4 Vienna Gambit: Steinitz (Blackburne) 3...d5 4.fxe5 Nxe4 5.Qf3 Vienna Gambit: Paulsen 3...d5 4.fxe5 Nxe4 5.Qf3 f5 Vienna Gambit: Paulsen (Bardeleben) 3...d5 4.fxe5 Nxe4 5.Qf3 f5 6.d4 Vienna Gambit: Paulsen (Heyde) 3...d5 4.fxe5 Nxe4 5.d3 Vienna Gambit: Modern 3...d5 4.fxe5 Nxe4 5.d3 Qh4+ 6.g3 Nxg3 7.Nf3 Qh5 8.Nxd5 Vienna Gambit: Modern (Würzburger) 3...d5 4.fxe5 Nxe4 5.d3 Qh4+ 6.g3 Nxg3 7.Nf3 Qh5 8.Nxd5 Bg4 9.Nf4 Bxf3 10.Nxh5 Bxd1 11.hxg3 Bxc2 12.b3 Vienna Gambit: Modern (Würzburger Trap) 3...d5 4.fxe5 Nxe4 5.Nf3 Bb4 6.Qe2 Vienna Gambit: Spielmann 3...d5 4.fxe5 Nxe4 5.Nf3 Bg4 6.Qe2 Vienna Gambit: Kaufmann 3...d5 4.fxe5 Nxe4 5.Nf3 Be7 Vienna Gambit: Breyer
C30 King's Gambit Declined: 1.e4 e5 2.f4 2...Qf6 King's Gambit Declined: Norwalde 2...Qf6 3.Nf3 Qxf4 4.Nc3 Bb4 5.Bc4 King's Gambit Declined: Norwalde (Buecker) 2...c5 King's Gambit Declined: Mafia 2...Nf6 King's Gambit Declined: Petrov 2...Qh4+ 3.g3 Qe7 King's Gambit Declined: Keene 2...d6 King's Gambit Declined: Nimzovich 2...Bc5 King's Gambit Declined: Classical 2...Bc5 3.Nf3 g5 King's Gambit Declined: Classical (Senechaud) 2...Bc5 3.Nf3 d6 4.fxe5 King's Gambit Declined: Classical (Soldatenkov) 2...Bc5 3.Nf3 d6 4.b4 King's Gambit Declined: Classical (Heath) 2...Bc5 3.Nf3 d6 4.c3 f5 King's Gambit Declined: Classical (Counter-Gambit) 2...Bc5 3.Nf3 d6 4.c3 f5 5.fxe5 dxe5 6.d4 fxe4 7.Bc4 King's Gambit Declined: Classical (Réti) 2...Bc5 3.Nf3 d6 4.c3 Bg4 5.fxe5 dxe5 6.Qa4+ King's Gambit Declined: Classical (Marshall) 2...Bc5 3.Nf3 d6 4.Nc3 Nd7 King's Gambit Declined: Classical (Hanham) 2...Bc5 3.Nf3 d6 4.Nc3 Nf6 5.Bc4 Nc6 6.d3 Bg4 King's Gambit Declined: Classical (Blackburne) 2...Bc5 3.Nf3 d6 4.Nc3 Nf6 5.Bc4 Nc6 6.d3 Bg4 7.h3 Bxf3 8.Qxf3 exf4 King's Gambit Declined: Classical (Svenonius)
C31-C32 Falkbeer Counter-Gambit
C31 Falkbeer Counter-Gambit: 1.e4 e5 2.Nc3 3.Nc3 Falkbeer Counter-Gambit: Milner-Barry 3.Nf3 Falkbeer Counter-Gambit: Tartakower 3.exd5 c6 Falkbeer Counter-Gambit: Marshall 3.exd5 e4 4.Bb5+ Falkbeer Counter-Gambit: Nimzovich 3.exd5 e4 4.Nc3 Nf6 5.Qe2 Falkbeer Counter-Gambit: Rubinstein
C32 Falkbeer Counter-Gambit: 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Nc3 Bb4 6.Bd2 e3 Falkbeer Counter-Gambit: Morphy 5.Qe2 Falkbeer Counter-Gambit: Réti 5.Nd2 Falkbeer Counter-Gambit: Keres 5.dxe4 Nxe4 6.Qe2 Falkbeer Counter-Gambit: Charousek 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf5 8.g4 0-0 Falkbeer Counter-Gambit: Tarrasch 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf2+ 8.Kd1 Qxd5+ 9.Nfd2 Falkbeer Counter-Gambit: Alapin
C33-C39 King's Gambit Accepted
C33 King's Gambit Accepted: 1.e4 e5 2.f4 exf4 3.b3 King's Gambit Accepted: Orsini 3.d4 King's Gambit Accepted: Villemson 3.g3 King's Gambit Accepted: Gaga 3.h4 King's Gambit Accepted: Calvi 3.Ne2 King's Gambit Accepted: Paris 3.Be2 King's Gambit Accepted: Lesser Bishop 3.Bd3 King's Gambit Accepted: Schurig 3.Kf2 King's Gambit Accepted: Tumbleweed 3.Qe2 King's Gambit Accepted: Carrera 3.Qh5 King's Gambit Accepted: Carrera Gambit 3.Qf3 King's Gambit Accepted: Breyer 3.Qg4 King's Gambit Accepted: Dodo 3.Nc3 King's Gambit Accepted: Mason 3.Nh3 King's Gambit Accepted: Eisenberg 3.Bc4 King's Gambit Accepted: Bishop's Gambit 3.Bc4 b5 King's Gambit Accepted: Bishop's Gambit (Lesser Bryan) 3.Bc4 f5 King's Gambit Accepted: Bishop's Gambit (Gianutio) 3.Bc4 f5 4.Qe2 Qh4+ 5.Kd1 fxe4 6.Nc3 Kd8 King's Gambit Accepted: Bishop's Gambit (Hein) 3.Bc4 Nc6 King's Gambit Accepted: Bishop's Gambit (Maurian) 3.Bc4 c6 King's Gambit Accepted: Bishop's Gambit (López)Lopez 3.Bc4 Ne7 King's Gambit Accepted: Bishop's Gambit (Steinitz) 3.Bc4 Qh4+ 4.Kf1 d6 5.Qf3 King's Gambit Accepted: Bishop's Gambit (Lesser Cozio) 3.Bc4 Qh4+ 4.Kf1 Bc5 King’s Gambit Accepted: Bishop's Gambit (Greco) 3.Bc4 Qh4+ 4.Kf1 b5 King's Gambit Accepted: Bishop's Gambit (Bryan) 3.Bc4 Qh4+ 4.Kf1 Nc6 King's Gambit Accepted: Bishop's Gambit (Boden) 3.Bc4 Qh4+ 4.Kf1 g5 King's Gambit Accepted: Bishop's Gambit (Classical) 3.Bc4 Qh4+ 4.Kf1 g5 5.Qf3 King's Gambit Accepted: Bishop's Gambit (Cozio) 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.g3 King's Gambit Accepted: Bishop's Gambit (McDonnell Attack) 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.g3 fxg3 7.Qf3 King's Gambit Accepted: Bishop's Gambit (Fraser) 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.d4 Ne7 King's Gambit Accepted: Bishop's Gambit (McDonnell Defense) 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.d4 d6 7.e5 King's Gambit Accepted: Bishop's Gambit (Grimm) 3.Bc4 d5 King's Gambit Accepted: Bledow 3.Bc4 d5 4.Bxd5 c6 King's Gambit Accepted: Bledow (Anderssen) 3.Bc4 d5 4.Bxd5 Qh4+ 5.Kf1 Bd6 King's Gambit Accepted:Bledow (Borén-Svenonius) 3.Bc4 d5 4.Bxd5 Qh4+ 5.Kf1 g5 6.g3 King's Gambit Accepted: Bledow (Gifford) 3.Bc4 d5 4.Bxd5 Nf6 King's Gambit Accepted: Bledow (Morphy) 3.Bc4 Nf6 King's Gambit Accepted: Cozio 3.Bc4 Nf6 4.Nc3 Bb4 5.e5 King's Gambit Accepted: Cozio (Paulsen) 3.Bc4 Nf6 4.Nc3 c6 King's Gambit Accepted: Cozio (Jaenisch)
C34 King's Gambit Accepted:Knight's Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 3...f5 King's Gambit Accepted: Knight's Gambit (Gianutio) 3...f5 4.e5 King's Gambit Accepted: Knight's Gambit (Alapin) 3...h6 King's Gambit Accepted: Knight's Gambit (Becker) 3...Ne7 King's Gambit Accepted: Knight's Gambit (Bonsch-Osmolovsky) 3...Nf6 King's Gambit Accepted: Knight's Gambit (Schallopp) 3...Nf6 4.e5 Nh5 5.Qe2 King's Gambit Accepted: Knight's Gambit (Keres) 3...d6 King's Gambit Accepted: Knight's Gambit (Fischer)
C35 King's Gambit Accepted: Cunningham: 1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Bh4+ 5.g3 King's Gambit Accepted: Cunningham (Bertin) 4.Bc4 Bh4+ 5.g3 fxg3 6.0-0 gxh2+ 7.Kh1 King's Gambit Accepted: Cunningham (Three Pawns) 4.Bc4 Nf6 King's Gambit Accepted: Cunningham (Euwe)
C36 King's Gambit Accepted: Abazzia: 1.e4 e5 2.f4 exf4 3.Nf3 d5 4.exd5 Nf6 King's Gambit Accepted: Abazzia (Modern) 4.exd5 Nf6 5.Bb5+ c6 6.dxc6 bxc6 7.Bc4 King's Gambit Accepted: Abazzia (Botvinnik)
C37 King's Gambit Accepted: Classical Knight: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Nc3 King's Gambit Accepted: Quaade 4.d4 King's Gambit Accepted: Rosentreter 4.d4 h6 5.h4 Bg7 King's Gambit Accepted: Rosentreter (Becker) 4.Ne5 King's Gambit Accepted: Sorensen 4.Bc4 Nc6 King's Gambit Accepted: Blachly 4.Bc4 g4 5.d4 King's Gambit Accepted: Ghulam Kassim 4.Bc4 g4 5.Ne5 King's Gambit Accepted: Salvio 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 f3 King's Gambit Accepted: Salvio (Cochrane) 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nh6 7.d4 f3 King's Gambit Accepted: Salvio (Silberschmidt) 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nh6 7.d4 d6 King's Gambit Accepted: Salvio (Anderssen) 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nc6 King's Gambit Accepted: Salvio (Herzfeld) 4.Bc4 g4 5.Nc3 King's Gambit Accepted: McDonnell 4.Bc4 g4 5.Bxf7+ King's Gambit Accepted: Lolli 4.Bc4 g4 5.Bxf7+ Kxf7 6.0-0 gxf3 7.Qxf3 Qf6 8.d4 Qxd4+ 9.Be3 Qf6 10.Nc3 King's Gambit Accepted: Lolli (Young) 4.Bc4 g4 5.0-0 King's Gambit Accepted: Muzio 4.Bc4 g4 5.0-0 Qe7 King's Gambit Accepted: Muzio (Kling & Horwitz) 4.Bc4 g4 5.0-0 d5 King's Gambit Accepted: Muzio (Brentano) 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Nc6 King's Gambit Accepted: Muzio (Holloway) 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Qe7 King's Gambit Accepted: Muzio (From) 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Qf6 7.e5 Qxe5 8.Bxf7+ King's Gambit Accepted: Muzio (Double Muzio) 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Qf6 7.e5 Qxe5 8.d3 Bh6 9.Nc3 Ne7 10.Bd2 Nbc6 11.Rae1 King's Gambit Accepted: Muzio (Paulsen)
C38 King's Gambit Accepted: Classical Knight: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.d4 King's Gambit Accepted: Classical Knight (Hanstein) 5.h4 King's Gambit Accepted: Philidor 5.h4 h6 6.d4 d6 7.Nc3 c6 8.hxg5 hxg5 9.Rxh8 Bxh8 10.Ne5 King's Gambit Accepted: Philidor (Greco) 5.h4 h6 6.d4 d6 7.Qd3 King's Gambit Accepted: Philidor (Schultz) 5.0-0 King's Gambit Accepted: Hanstein
C39 King's Gambit Accepted: Classical Knight: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 4...g4 5.Ng5 King's Gambit Accepted: Allgaier 4...g4 5.Ng5 Nf6 King's Gambit Accepted: Allgaier (Schlechter) 4...g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Bc4+ King's Gambit Accepted: Allgaier (Walker) 4...g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Bc4+ d5 8.Bxd5+ Kg7 9.d4 King's Gambit Accepted: Allgaier (Urusov) 4...g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Qxg4 Nf6 8.Qxf4 Bd6 King's Gambit Accepted: Allgaier (Horny) 4...g4 5.Ng5 h6 6.Nxf7 Kxf7 7.d4 King's Gambit Accepted: Allgaier (Thorold) 4...g4 5.Ng5 h6 6.Nxf7 Kxf7 7.d4 d5 8.Bxf4 dxe4 9.Bc4+ Kg7 10.Be5+ King's Gambit Accepted: Allgaier (Cook) 4...g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Nc3 King's Gambit Accepted: Allgaier (Blackburne) 4...g4 5.Ne5 King's Gambit Accepted: Kieseritzky 4...g4 5.Ne5 d6 King's Gambit Accepted: Kieseritzky (Kolisch) 4...g4 5.Ne5 d5 King's Gambit Accepted: Kieseritzky (Campell) 4...g4 5.Ne5 d5 6.d4 Nf6 7.Bxf4 King's Gambit Accepted: Kieseritzky (Brentano) 4...g4 5.Ne5 d5 6.d4 Nf6 7.Bxf4 Nxe4 8.Nd2 King's Gambit Accepted: Kieseritzky (Caro) 4...g4 5.Ne5 d5 6.d4 Nf6 7.exd5 Qxd5 8.Nc3 Bb4 9.Kf2 King's Gambit Accepted: Kieseritzky (Kaplanek) 4...g4 5.Ne5 Qe7 King's Gambit Accepted: Kieseritzky (Salvio) 4...g4 5.Ne5 Qe7 6.d4 f5 7.Bc4 King's Gambit Accepted: Kieseritzky (Cozio) 4...g4 5.Ne5 Nc6 King's Gambit Accepted: Kieseritzky (Neumann) 4...g4 5.Ne5 h5 King's Gambit Accepted: Kieseritzky (Stockwhip) 4...g4 5.Ne5 h5 6.Bc4 Rh7 7.d4 Bh6 8.Nc3 King's Gambit Accepted: Kieseritzky (Jaenisch) 4...g4 5.Ne5 Bg7 King's Gambit Accepted: Kieseritzky (Paulsen) 4...g4 5.Ne5 Be7 King's Gambit Accepted: Kieseritzky (Polerio) 4...g4 5.Ne5 Nf6 King's Gambit Accepted: Kieseritzky (Berlin) 4...g4 5.Ne5 Nf6 6.Nxg4 d5 King's Gambit Accepted: Kieseritzky (de Rivičre) 4...g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 8.Bd6 8.0-0 King's Gambit Accepted: Kieseritzky (Rice)
C40 Irregular King's Knight: 1.e4 e5 2.Nf3 2...d5 Irregular King's Knight: Queen's Pawn 2...d5 3.exd5 e4 Irregular King's Knight: Queen's Pawn (Paulsen) 2...d5 3.exd5 Bd6 Irregular King's Knight: Queen's Pawn (Maróczy) 2...d5 3.Nxe5 dxe4 4.Bc4 Qg5 Irregular King's Knight: Queen's Pawn (Wasp) 2...Qf6 Irregular King's Knight: Greco 2...Qe7 Irregular King's Knight: Gunderam 2...f6 Irregular King's Knight: Damiano 2...f5 Irregular King's Knight: Latvian 2...f5 3.g4 Irregular King's Knight: Latvian (Lobster) 2...f5 3.Bc4 fxe4 4.Nxe5 d5 Irregular King's Knight: Latvian (Polerio) 2...f5 3.Bc4 fxe4 4.Nxe5 Qg5 5.d4 Qxg2 Irregular King's Knight: Latvian (Poisoned Pawn) 2...f5 3.Bc4 fxe4 4.Nxe5 Qg5 5.Nf7 Qxg2 6.Rf1 d5 7.Nxh8 Nf6 Irregular King's Knight: Latvian (Behting) 2...f5 3.Bc4 fxe4 4.Nxe5 Nf6 Irregular King's Knight: Latvian (Corkscrew) 2...f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Nc3 Qg6 Irregular King's Knight: Latvian (Modern) 2...f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Ne3 Irregular King's Knight: Latvian (Nimzovich) 2...f5 3.Nxe5 Nc6 Irregular King's Knight: Latvian (Fraser)
C41 Philidor: 1.e4 e5 2.Nf3 d6 3.Bc4 f5 Philidor: López 3.Bc4 f5 4.d4 exd4 5.Ng5 Nh6 6.Nxh7 Philidor: López (Jaenisch) 3.Bc4 Be6 4.c3 Philidor: Steinitz 3.d4 f5 Philidor: Counter-Gambit 3.d4 f5 4.Nc3 Philidor: Counter-Gambit (Zukertort) 3.d4 f5 4.dxe5 fxe4 5.Ng5 d5 6.e6 Philidor: Counter-Gambit (del Rio) 3.d4 f5 4.dxe5 fxe4 5.Ng5 d5 6.e6 Bc5 7.Nc3 Philidor: Counter-Gambit (Berger) 3.d4 Nd7 Philidor: Hanham 3.d4 Nd7 4.Bc4 c6 5.Nc3 Philidor: Hanham (Schlechter) 3.d4 Nd7 4.Bc4 c6 5.0-0 Philidor: Hanham (Krause) 3.d4 Nd7 4.Bc4 c6 5.0-0 Be7 6.dxe5 Philidor: Hanham (Steiner) 3.d4 Nd7 4.Bc4 c6 5.Ng5 Philidor: Hanham (Kmoch) 3.d4 Nd7 4.Bc4 c6 5.Ng5 Nh6 6.f4 Be7 7.c3 0-0 8.0-0 d5 Philidor: Hanham (Berger) 3.d4 Nd7 4.Bc4 c6 5.c3 Philidor: Hanham (Delmar) 3.d4 Nd7 4.Bc4 c6 5.a4 Philidor: Hanham (Nimzovich) 3.d4 exd4 Philidor: Exchange 3.d4 exd4 4.Qxd4 Bd7 Philidor: Exchange (Boden) 3.d4 exd4 4.Nxd4 d5 5.exd5 Philidor: Exchange (Paulsen) 3.d4 exd4 4.Nxd4 g6 Philidor: Exchange (Larsen) 3.d4 Nf6 Philidor: Jaenisch 3.d4 Nf6 4.Ng5 Philidor: Jaenisch (Locock) 3.d4 Nf6 4.Ng5 h6 5.Nxf7 Philidor: Jaenisch (Locock Gambit) 3.d4 Nf6 4.Bc4 Philidor: Jaenisch (Klein) 3.d4 Nf6 4.Nc3 exd4 5.Nxd4 Be7 6.Be2 0-0 7.0-0 c5 8.Nf3 Nc6 9.Bg5 Be6 10.Re1 Philidor: Jaenisch (Berger) 3.d4 Nf6 4.Nc3 Nbd7 Philidor: Jaenisch (Hanham) 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 h6 Philidor: Jaenisch (Jansen) 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 Philidor: Jaenisch (Lion) 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.0-0 0-0 7.Qe2 c6 8.a4 exd4 Philidor: Jaenisch (Sozin) 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.Ng5 0-0 7.Bxf7+ Philidor: Jaenisch (Lärobok) 3.d4 Nf6 4.dxe5 Philidor: Nimzovich 3.d4 Nf6 4.dxe5 Nxe4 5.Qd5 Philidor: Nimzovich (Rellstab) 3.d4 Nf6 4.dxe5 Nxe4 5.Nbd2 Philidor: Nimzovich (Sokolsky) 3.d4 Bg4 4.dxe5 Philidor: Blackburne 3.d4 Bg4 4.dxe5 Nd7 Philidor: Blackburne (Albin)
C42-C43 Petrov
C42 Petrov: 1.e4 e5 2.Nf3 Nf6 3.d3 Petrov: Indian 3.Bc4 Petrov: Italian 3.Bc4 Nxe4 4.Nc3 Petrov: Italian (Boden) 3.Bc4 Nxe4 4.Nc3 d5 Petrov: Italian (Lichtenhein) 3.Nc3 Petrov: Three Knights 3.Nxe5 Nxe4 Petrov: Damiano 3.Nxe5 Qe7 Petrov: López 3.Nxe5 d6 4.Nxf7 Petrov: Cochrane 3.Nxe5 d6 4.Nc4 Petrov: Paulsen 3.Nxe5 d6 4.Nf3 Nxe4 5.d3 Petrov: French 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3 Petrov: Nimzovich 3.Nxe5 d6 4.Nf3 Nxe4 5.c4 Petrov: Kaufmann 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 Petrov: Cozio 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 Petrov: Classical 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 Nf6 Petrov: Classical (Closed) 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 Petrov: Classical (Marshall) 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.0-0 0-0 8.c4 Bg4 Petrov: Classical (Tarrasch) 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.0-0 0-0 8.c4 Bg4 9.cxd5 f5 10.Re1 Bxh2+ Petrov: Classical (Marshall Trap) 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 0-0 Petrov: Classical (Mason) 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 Nc6 8.Re1 Petrov: Classical (Lasker) 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 Nc6 8.Re1 Bg4 9.c3 f5 Petrov: Classical (Berger) 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 Nc6 8.Re1 Bg4 9.c3 f5 10.c4 Petrov: Classical (Krause) 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 Nc6 8.Re1 Bg4 9.c3 f5 10.c4 Bh4 Petrov: Classical (Maróczy) 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 Nc6 8.Re1 Bg4 9.c4 Petrov: Classical (Chigorin) 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 Nc6 8.c4 Petrov: Classical (Jaenisch)
C43 Petrov: Modern: 1.e4 e5 2.Nf3 Nf6 3.d4 3...exd4 4.e5 Ne4 5.Qe2 Petrov: Modern (Steinitz) 3...exd4 4.e5 Ne4 5.Qe2 Nc5 6.Nxd4 Nc6 Petrov: Modern (Bardeleben) 3...Nxe4 Petrov: Modern (Symmetrical) 3...Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.0-0 0-0 7.c4 Bxe5 Petrov: Modern (Trifunovic)
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C44 King's Knight/Ponziani/Scotch
King's Knight: 1.e4 e5 2.Nf3 Nc6 3.c4 King's Knight: Dresden 3.g3 King's Knight: Konstantinopolsky 3.Nxe5 Nxe5 4.d4 King's Knight: Chicago Gambit 3.Be2 King's Knight: Hungarian 3.Be2 Nf6 4.d3 d5 5.Nbd2 King's Knight: Hungarian (Hanham) 3.Be2 Nf6 4.d4 King's Knight: Hungarian (Tayler)
Ponziani: 1.e4 e5 2.Nf3 Nc6 3.c3 3...d5 4.Qa4 Bd7 Ponziani: Caro 3...d5 4.Qa4 Bd7 5.exd5 Nd4 6.Qd1 Nxf3+ 7.Qxf3 f5 8.Bc4 Bd6 9.d3 Ponziani: Caro (Tartakower) 3...d5 4.Qa4 f6 Ponziani: Steinitz 3...d5 4.Qa4 dxe4 Ponziani: Bird 3...d5 4.Qa4 Qd6 Ponziani: Worrall 3...d5 4.Qa4 Nf6 Ponziani: Leonhardt 3...d5 4.Bb5 dxe4 5.Nxe5 Ponziani: Staunton 3...d5 4.Bb5 dxe4 5.Nxe5 Qg5 Ponziani: Staunton (Sozin) 3...f5 Ponziani: Counter-Gambit 3...f5 4.d4 d6 5.d5 Ponziani: Counter-Gambit (Schmidt) 3...f5 4.d4 d6 5.d5 fxe4 6.Ng5 Nb8 7.Nxe4 Nf6 8.Bd3 Be7 Ponziani: Counter-Gambit (Cordel) 3...Nge7 Ponziani: Réti 3...Be7 Ponziani: Romanishin 3...Bc5 4.b4 Ponziani: Classical 3...Nf6 Ponziani: Jaenisch 3...Nf6 4.d4 Nxe4 5.d5 Bc5 Ponziani: Jaenisch (Fraser) 3...Nf6 4.d4 exd4 Ponziani: Jaenisch (Gunsberg) 3...Nf6 4.d4 d6 Ponziani: Jaenisch (Pirc) 3...Nf6 4.Qc2 Ponziani: Jaenisch (Wayte) 3...Nf6 4.Qa4 Ponziani: Jaenisch (Potter) 3...Nf6 4.d3 Ponziani: Jaenisch (Modern)
Scotch: 1.e4 e5 2.Nf3 Nc6 3.d4 3...Nxd4 Scotch: Lolli 3...Nxd4 4.Nxe5 Ne6 5.Bc4 c6 6.Nxf7 Scotch: Lolli (Cochrane) 3...Nxd4 4.Nxe5 Ne6 5.Bc4 c6 6.0-0 Nf6 7.Nxf7 Scotch: Lolli (Delayed Cochrane) 3...exd4 4.c3 Scotch: Göring 3...exd4 4.c3 dxc3 5.Nxc3 Bb4 6.Bc4 Nf6 Scotch: Göring (Bardeleben)Goring 3...exd4 4.c3 dxc3 5.Nxc3 d6 6.Bc4 Bg4 7.0-0 Ne5 8.Nxe5 Bxd1 9.Bxf7+ Ke7 10.Nd5+ Scotch: Göring (Sea-cadet mate) 3...exd4 4.Bb5 Scotch: Relfsson 3...exd4 4.Bc4 Scotch: Gambit 3...exd4 4.Bc4 Bb4+ 5.c3 dxc3 6.bxc3 Ba5 7.e5 Scotch: Gambit (Cochrane) 3...exd4 4.Bc4 Bb4+ 5.c3 dxc3 6.0-0 cxb2 7.Bxb2 Nf6 8.Ng5 0-0 9.e5 Nxe5 Scotch: Gambit (Hanneken) 3...exd4 4.Bc4 Bc5 Scotch: Gambit (Haxo) 3...exd4 4.Bc4 Bc5 5.Ng5 Nh6 6.Qh5 Scotch: Gambit (Vitzthum) 3...exd4 4.Bc4 Bc5 5.Ng5 Nh6 6.Nxf7 Kxf7 7.Bxf7+ Kxf7 8.Qh5+ g6 9.Qxc5 d6 Scotch: Gambit (Cochrane-Shumov) 3...exd4 4.Bc4 Bc5 5.0-0 d6 6.c3 Bg4 Scotch: Gambit (Anderssen)
C45 Scotch: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 4...Nxd4 5.Qxd4 d6 6.Bd3 Scotch: Ghulam Kassim 4...Qh4 Scotch: Pulling 4...Qh4 5.Nf3 Scotch: Pulling (Fraser) 4...Qh4 5.Nc3 Scotch: Pulling (Steinitz) 4...Qh4 5.Nb5 Scotch: Pulling (Horwitz) 4...Qh4 5.Nb5 Bb4+ 6.Bd2 Qxe4+ 7.Be2 Kd8 8.0-0 Bxd2 9.Nxd2 Qg6 Scotch: Pulling (Rosenthal) 4...Qh4 5.Nb5 Bb4+ 6.Nd2 Qxe4+ 7.Be2 Qxg2 8.Bf3 Qh3 9.Nxc7+ Kd8 10.Nxa8 Nf6 11.a3 Scotch: Pulling (Berger) 4...Nf6 Scotch: Schmid 4...Nf6 5.Nxc6 bxc6 6.Nd2 Scotch: Schmid (Tartakower) 4...Nf6 5.Nxc6 bxc6 6.e5 Scotch: Schmid (Mieses) 4...Bc5 5.Nb3 Scotch: Potter 4...Bc5 5.Nb3 Bb4+ Scotch: Potter (Romanishin) 4...Bc5 5.Be3 Scotch: Golmayo 4...Bc5 5.Be3 Bb6 Scotch: Golmayo (Loyd) 4...Bc5 5.Be3 Qf6 6.Nb5 Scotch: Golmayo (Blumenfeld) 4...Bc5 5.Be3 Qf6 6.c3 Nge7 7.Nc2 Scotch: Golmayo (Meitner) 4...Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bb5 Scotch: Golmayo (Paulsen) 4...Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bb5 Nd8 Scotch: Golmayo (Gunsberg) 4...Bc5 5.Be3 Qf6 6.c3 Nge7 7.Qd2 Scotch: Golmayo (Blackburne) 4...Bc5 5.Be3 Qf6 6.c3 Nge7 7.Qd2 d5 8.Nb5 Bxe3 9.Qxe3 0-0 10.Nxc7 Rb8 11.Nxd5 Nxd5 12.exd5 Nb4 Scotch: Golmayo (Gottschall)
C46 Scotch: Three Knights: 1.e4 e5 2.Nf3 Nc6 3.Nc3 3...f5 Three Knights: Winawer 3...g6 Three Knights: Steinitz 3...g6 4.d4 exd4 5.Nd5 Three Knights: Steinitz (Rosenthal) 3...Bb4 4.Nd5 Nf6 Three Knights: Schlechter
C47-C49 Four Knights
C47 Four Knights: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Four Knights: Scotch 4.d4 Bb4 5.Nxe5 Four Knights: Scotch (Krause) 4.d4 exd4 5.Nd5 Four Knights: Scotch (Belgrade) 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Qd4 Four Knights: Scotch (Paulsen) 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Qd4 Qe7 8.f3 c5 Four Knights: Scotch (Berger) 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.exd5 cxd5 9.0-0 0-0 10.Bg5 Be6 Four Knights: Scotch (Tarrasch) 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.exd5 cxd5 9.0-0 0-0 10.Bg5 c6 11.Qf3 Be7 12.Rae1 Four Knights: Scotch (Löwenborg) 4.a3 Four Knights: Gunsberg 4.a3 d6 5.h3 Four Knights: Gunsberg (Provincial) 4.Nxe5 Four Knights: Leipzig 4.Nxe5 Nxe5 5.d4 Ng6 6.e5 Ng8 7.Bc4 Bb4 8.Qf3 f5 Four Knights: Leipzig (Oltimer) 4.Nxe5 Nxce5 5.d4 Nc6 Four Knights: Leipzig (Plasma)
C48 Four Knights: Spanish: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 4...Bc5 Four Knights: Spanish (Classical) 4...Bc5 5.0-0 0-0 6.Nxe5 Nd4 Four Knights: Spanish (Marshall) 4...Bc5 5.0-0 0-0 6.Nxe5 Nxe5 7.d4 Bd6 8.f4 Nc6 9.e5 Bb4 Four Knights: Spanish (Bardeleben) 4...d6 5.d3 Four Knights: Spanish (Rosenthal) 4...a6 5.Bxc6 Four Knights: Spanish (Ranken) 4...a6 5.Bxc6 dxc6 6.Nxe5 Nxe4 7.Nxe4 Qxe4 8.0-0 Qxe5 9.Re1 Be6 10.d4 Qd5 Four Knights: Spanish (Spielmann) 4...Nd4 Four Knights: Rubinstein 4...Nd4 5.Nxd4 Four Knights: Rubinstein (Exchange) 4...Nd4 5.Nxe5 Qe7 6.f4 Four Knights: Rubinstein (Bogolubov) 4...Nd4 5.0-0 Four Knights: Rubinstein (Henneberger) 4...Nd4 5.Be2 Nxf3+ 6.Bxf3 Bc5 7.0-0 0-0 8.d3 d6 9.Na4 Bb6 Four Knights: Rubinstein (Maróczy)
C49 Four Knights: Brentano: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.Bxc6 Four Knights: Brentano (Paulsen) 5.0-0 0-0 6.Nd5 Nxd5 7.exd5 e4 Four Knights: Brentano (Gunsberg) 5.0-0 0-0 6.d3 Qe7 7.Ne2 d5 Four Knights: Brentano (Alatortsev) 5.0-0 0-0 6.d3 Bxc3 7.bxc3 d6 8.Re1 Four Knights: Brentano (Janowski) 5.0-0 0-0 6.d3 Bxc3 7.bxc3 d5 Four Knights: Brentano (Svenonius) 5.0-0 0-0 6.d3 d6 Four Knights: Symmetrical 5.0-0 0-0 6.d3 d6 7.Bg5 Bxc3 8.bxc3 Qe7 Four Knights: Symmetrical (Metger) 5.0-0 0-0 6.d3 d6 7.Bg5 Bxc3 8.bxc3 Qe7 9.Re1 Nd8 10.d4 Bg4 Four Knights: Symmetrical (Capablanca) 5.0-0 0-0 6.d3 d6 7.Bg5 Bxc3 8.bxc3 h6 9.Bh4 g5 10.Nxg5 Nxe4 Four Knights: Symmetrical (Alapin Defense) 5.0-0 0-0 6.d3 d6 7.Bg5 Be6 Four Knights: Symmetrical (Tarrasch) 5.0-0 0-0 6.d3 d6 7.Bg5 Bg4 8.Nd5 Nd4 9.Nxb4 Nxb5 10.Nd5 Four Knights: Symmetrical (Alapin Attack) 5.0-0 0-0 6.d3 d6 7.Bg5 Ne7 Four Knights: Symmetrical (Pillsbury) 5.0-0 0-0 6.d3 d6 7.Bg5 Ne7 8.Nh4 c6 9.Bc4 d5 10.Bb3 Qd6 Four Knights: Symmetrical (Blake)
C50 Italian: 1.e4 e5 2.Nf3 Nc6 3.Bc4 3...d6 Italian: Semi-Italian 3...f5 Italian: Rousseau 3...Nd4 Italian: Schilling 3...Nd4 4.Nxe5 Qg5 5.Nxf7 Qxg2 6.Rf1 Qxe4+ 7.Be2 Nf3+ Italian: Schilling (Blackburne) 3...Be7 Italian: Hungarian 3...Be7 4.d4 exd4 Italian: Hungarian (Benima) 3...Be7 4.d4 exd4 5.c3 Nf6 6.e5 Ne4 Italian: Hungarian (Tartakower) 3...Bc5 4.Bxf7+ Italian: Jerome 3...Bc5 4.d3 Italian: Pianissimo 3...Bc5 4.d3 f5 5.Ng5 f4 Italian: Pianissimo (Dubois) 3...Bc5 4.Nc3 Nf6 Italian: Four Knights 3...Bc5 4.Nc3 Nf6 5.d3 Italian: Four Knights (Pianissimo) 3...Bc5 4.Nc3 Nf6 5.d3 d6 6.Bg5 Italian: Four Knights (Canal) 3...Bc5 4.Nc3 Nf6 5.d3 d6 6.Bg5 h6 7.Bxf6 Qxf6 8.Nd5 Qd8 9.c3 Ne7 10.d4 Italian: Four Knights (Normal)
C51-C52 Evans Gambit
C51 Evans Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 4...Bb6 Evans Gambit: Declined 4...Bb6 5.a4 a6 6.Nc3 Evans Gambit: Declined (Showalter) 4...Bb6 5.b5 Na5 6.Nxe5 Nh6 Evans Gambit: Declined (Lange) 4...Bb6 5.b5 Na5 6.Nxe5 Nh6 7.d4 d6 8.Bxh6 dxe5 9.Bxg7 Rg8 10.Bxf7+ Kxf7 11.Bxe5 Qg5 12.Nd2 Evans Gambit: Declined (Pavlov) 4...Bb6 5.b5 Na5 6.Nxe5 Qg5 Evans Gambit: Declined (Hirschbach) 4...Bb6 5.b5 Na5 6.Nxe5 Qg5 7.Qf3 Qxe5 8.Qxf7+ Kd8 9.Bb2 Evans Gambit: Declined (Hicken) 4...Bb6 5.b5 Na5 6.Nxe5 Qg5 7.Bxf7+ Ke7 8.Qh5 Evans Gambit: Declined (Vásquez) 4...Bb6 5.Bb2 Evans Gambit: Declined (Cordel) 4...d5 Evans Gambit: Counter-Gambit 4...Bxb4 5.0-0 d6 6.d4 Bd7 7.Bb2 Evans Gambit: Tartakower 4...Bxb4 5.c3 Be7 6.d4 Na5 Evans Gambit: Cordel 4...Bxb4 5.c3 Bd6 Evans Gambit: Stone-Ware 4...Bxb4 5.c3 Bf8 Evans Gambit: Mayet 4...Bxb4 5.c3 Bc5 6.d4 exd4 7.cxd4 Bb4+ 8.Kf1 Evans Gambit: Jaenisch 4...Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 Evans Gambit: Morphy 4...Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 Bg4 10.Qa4 Evans Gambit: Morphy (Fraser) 4...Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 Bg4 10.Qa4 Bd7 11.Qb3 Na5 12.Bxf7+ Kf8 13.Qc2 Evans Gambit: Morphy (Mortimer) 4...Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 Na5 10.Bg5 Evans Gambit: Morphy (Göring) 4...Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 Na5 10.Bg5 f6 11.Be3 Evans Gambit: Morphy (Steinitz) 4...Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.d5 Na5 10.Bb2 Evans Gambit: Ulvestad 4...Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.d5 Na5 10.Bb2 Ne7 Evans Gambit: Ulvestad (Paulsen)
C52 Evans Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.0-0 Qf6 Evans Gambit: Steinitz 6.0-0 Nf6 7.d4 0-0 8.Nxe5 Evans Gambit: Richardson 6.0-0 d6 7.d4 Bg4 Evans Gambit: Alapin-Steinitz 6.0-0 d6 7.d4 Bd7 Evans Gambit: Sanders-Alapin 6.0-0 d6 7.d4 Bb6 Evans Gambit: Lasker 6.d4 exd4 7.0-0 dxc3 Evans Gambit: Compromised 6.d4 exd4 7.0-0 dxc3 8.Qb3 Qf6 9.e5 Qg6 10.Nxc3 Nge7 11.Ba3 Evans Gambit: Compromised (Paulsen) 6.d4 exd4 7.0-0 dxc3 8.Qb3 Qf6 9.e5 Qg6 10.Nxc3 Nge7 11.Rd1 Evans Gambit: Compromised (Potter) 6.d4 exd4 7.0-0 d6 8.Qb3 Evans Gambit: Waller 6.d4 Nxd4 Evans Gambit: Pierce 6.d4 b5 Evans Gambit: Leonhardt 6.d4 d6 Evans Gambit: Alapin 6.d4 d6 7.Qb3 Evans Gambit: Alapin (Tartakower) 6.d4 d6 7.Qb3 Qd7 8.dxe5 dxe5 9.0-0 Bb6 10.Ba3 Na5 11.Nxe5 Evans Gambit: Alapin (Levenfish) 6.d4 d6 7.Bg5 Evans Gambit: Alapin (Sokolsky)
C53-C54 Giuoco Piano
C53 Giuoco Piano: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 4...d6 5.d4 exd4 6.cxd4 Bb4+ 7.Kf1 Giuoco Piano: Miss in baulk 4...d6 5.d4 exd4 6.cxd4 Bb6 Giuoco Piano: Labourdonnais 4...Qe7 Giuoco Piano: Closed 4...Qe7 5.d4 Bb6 Giuoco Piano: Closed (Center) 4...Qe7 5.d4 Bb6 6.Bg5 Giuoco Piano: Closed (Mestel) 4...Qe7 5.d4 Bb6 6.d5 Nb8 7.d6 Giuoco Piano: Closed (Eisinger) 4...Qe7 5.d4 Bb6 6.d5 Nf6 7.a4 a6 8.Re1 d6 9.h3 Giuoco Piano: Closed (Tarrasch)
C54 Giuoco Piano: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.b4 Giuoco Piano: Bird 5.d3 Giuoco Piano: Pianissimo 5.d4 exd4 6.e5 d5 7.Bb5 Ne4 8.cxd4 Bb4+ Giuoco Piano: Anderssen 5.d4 exd4 6.e5 Ne4 7.Bd5 Nxf2 8.Kxf2 dxc3+ 9.Kg3 Giuoco Piano: Ghulam Kassim 5.d4 exd4 6.cxd4 Bb4+ 7.Kf1 Giuoco Piano: Cracow 5.d4 exd4 Giuoco Piano: Greco 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Bxc3 9.d5 Giuoco Piano: Greco (Möller) 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Bxc3 9.d5 Bf6 10.Re1 Ne7 11.Rxe4 d6 12.g4 Giuoco Piano: Greco (Bayonet) 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Bxc3 9.d5 Bf6 10.Re1 Ne7 11.Rxe4 d6 12.Bg5 Bxg5 13.Nxg5 0-0 14.Nxh7 Giuoco Piano: Greco (Therkatz) 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Bxc3 9.bxc3 d5 10.Ba3 Giuoco Piano: Greco (Steinitz) 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Nxc3 9.bxc3 Bxc3 10.Ba3 Giuoco Piano: Greco (Aitken) 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Nxc3 9.bxc3 Bxc3 10.Qb3 d5 Giuoco Piano: Greco (Bernstein) 5.d4 exd4 6.cxd4 Bb4+ 7.Bd2 Nxe4 8.Bxb4 Nxb4 9.Bxf7+ Kxf7 10.Qb3+ d5 11.Ne5+ Kf6 12.f3 Giuoco Piano: Greco (Krause)
C55-C59 Two Knights
C55 Two Knights: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Nc3 Two Knights: Italian 4.Nc3 Nxe4 5.0-0 Two Knights: Italian (Boden) 4.d3 Two Knights: Modern Bishop 4.0-0 Bc5 5.d3 d6 6.Bg5 h6 7.Bh4 g5 Two Knights: Steinitz 4.0-0 Bc5 5.d4 Two Knights: Koltanowski 4.0-0 Bc5 5.d4 Bxd4 6.Nxd4 Nxd4 7.Bg5 h6 8.Bh4 g5 9.f4 Two Knights: Koltanowski (Rosentreter) 4.0-0 Bc5 5.d4 Bxd4 6.Nxd4 Nxd4 7.Bg5 d6 Two Knights: Koltanowski (Giuoco Piano) 4.0-0 Bc5 5.d4 Bxd4 6.Nxd4 Nxd4 7.Bg5 d6 8.f4 Qe7 9.fxe5 dxe5 10.Nc3 Two Knights: Koltanowski (Holzhausen) 4.d4 Two Knights: Open 4.d4 exd4 Two Knights: Open (Dubois) 4.d4 exd4 5.0-0 Two Knights: Open (Scotch) 4.d4 exd4 5.Ng5 Two Knights: Open (Perreux) 4.d4 exd4 5.e5 d5 6.Bb5 Ne4 7.Nxd4 Bc5 8.Nxc6 Bxf2+ 9.Kf1 Qh4 Two Knights: Open (Keidanz) 4.d4 exd4 5.0-0 Bc5 6.e5 Two Knights: Lange 4.d4 exd4 5.0-0 Bc5 6.e5 Ng4 Two Knights: Lange (Steinitz) 4.d4 exd4 5.0-0 Bc5 6.e5 Ng4 7.c3 Two Knights: Lange (Krause) 4.d4 exd4 5.0-0 Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.fxg7 Two Knights: Lange (Schlechter) 4.d4 exd4 5.0-0 Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 g6 Two Knights: Lange (Loman) 4.d4 exd4 5.0-0 Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.g4 Qg6 12.Nce4 Bb6 Two Knights: Lange (Berger) 4.d4 exd4 5.0-0 Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.Nce4 Two Knights: Lange (Marshall) 4.d4 exd4 5.0-0 Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.Nce4 Bf8 Two Knights: Lange (Rubinstein)
C56 Two Knights: Anti-Lange: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.0-0 Nxe4 6.Re1 d5 7.Nc3 Two Knights: Anti-Lange (Canal) 6.Re1 d5 7.Bxd5 Qxd5 8.Nc3 Qa5 9.Nxe4 Be6 10.Bg5 h6 11.Bh4 g5 12.Nf6+ Ke7 13.b4 Two Knights: Anti-Lange (Yurdansky)
C57 Two Knights: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 4...Bc5 Two Knights: Traxler 4...d5 5.exd5 b5 Two Knights: Ulvestad 4...d5 5.exd5 Nxd5 6.d4 Two Knights: Lolli 4...d5 5.exd5 Nxd5 6.d4 Bb4+ Two Knights: Lolli (Pincus) 4...d5 5.exd5 Nxd5 6.Nxf7 Two Knights: Fegatello 4...d5 5.exd5 Nxd5 6.Nxf7 Kxf7 7.Qf3+ Ke6 8.Nc3 Ncb4 9.Qe4 c6 10.a3 Na6 11.d4 Nac7 Two Knights: Fegatello (Leonhardt) 4...d5 5.exd5 Nxd5 6.Nxf7 Kxf7 7.Qf3+ Ke6 8.Nc3 Nce7 Two Knights: Fegatello (Polerio) 4...d5 5.exd5 Nd4 Two Knights: Fritz 4...d5 5.exd5 Nd4 6.c3 b5 7.Bf1 Nxd5 8.Ne4 Two Knights: Fritz (Gruber)
C58 Two Knights: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.d3 Two Knights: Kieseritzky 6.d3 h6 7.Nf3 e4 8.Qe2 Nxc4 9.dxc4 Bc5 10.Nfd2 Two Knights: Kieseritzky (Yankovich) 6.d3 h6 7.Nf3 e4 8.Qe2 Nxc4 9.dxc4 Be7 Two Knights: Kieseritzky (Maróczy) 6.Bb5+ Two Knights: Blackburne 6.Bb5+ c6 7dxc6 bxc6 8.Qf3 Two Knights: Blackburne (Bogolubov) 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 cxb5 Two Knights: Blackburne (Paoli) 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 Rb8 Two Knights: Blackburne (Colman)
C59 Two Knights: Blackburne: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2 8...h6 Two Knights: Blackburne (Suhle) 8...h6 9.Nh3 Two Knights: Blackburne (Steinitz) 8...h6 9.Nf3 e4 10.Ne5 Qc7 Two Knights: Blackburne (Göring) 8...h6 9.Nf3 e4 10.Ne5 Bd6 11.d4 Qc7 11.Bd2 Two Knights: Blackburne (Knorre)
C60-C99 Spanish C60 Spanish: 1.e4 e5 2.Nf3 Nc6 3.Bb5 3...Bb4 Spanish: Alapin 3...Qf6 Spanish: Frankfurt 3...Nge7 Spanish: Cozio 3...Nge7 4.Nc3 g6 Spanish: Cozio (Paulsen) 3...g5 Spanish: Brentano 3...f6 Spanish: Nürnberg 3...Be7 Spanish: Lucena 3...Na5 Spanish: Pollock 3...Qe7 Spanish: Vinogradov 3...g6 Spanish: Barnes
C61 Spanish: Bird: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.d3 c6 6.Bc4 Nf6 7.Bg5 Spanish: Bird (Berger) 4.Nxd4 exd4 5.0-0 Ne7 Spanish: Bird (Paulsen)
C62 Spanish: Steinitz: 1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 Bd7 5.c4 Spanish: Steinitz (Semi-Duras) 4.d4 Bd7 5.Nc3 Nf6 6.Bxc6 Spanish: Steinitz (Nimzovich)
C63 Spanish: Schliemann: 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.d4 Spanish: Schliemann (Schönemann) 4.Nc3 Spanish: Schliemann (Berger) 4.Nc3 fxe4 5.Nxe4 Nf6 Spanish: Schliemann (Tartakower) 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe5 7.Nxc6 Qg5 Spanish: Schliemann (Classical) 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe5 7.Nxc6 Qd5 Spanish: Schliemann (Möhring) 4.Nc3 Nf6 5.exf5 e4 6.Nh4 Spanish: Schliemann (Lasker)
C64 Spanish: Classical: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.0-0 Nd4 5.b4 Spanish: Classical (Zaitsev) 4.c3 f5 Spanish: Classical (Cordel) 4.c3 d5 Spanish: Classical (Konikowsky-Hardy) 4.c3 Bb6 Spanish: Classical (Charousek) 4.c3 Qe7 Spanish: Classical (Boden)
C65 Spanish: Berlin: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d4 exd4 5.0-0 Spanish: Berlin (Nyholm) 4.d3 Ne7 Spanish: Berlin (Mortimer) 4.d3 Ne7 5.Nxe5 c6 Spanish: Berlin (Mortimer Trap) 4.d3 Bc5 5.Be3 Spanish: Berlin (Kaufmann) 4.d3 d6 5.Bxc6+ Spanish: Berlin (Anderssen) 4.d3 d6 5.c4 Spanish: Berlin (Duras) 4.0-0 Bc5 Spanish: Berlin (Beverwijk) 4.0-0 Bc5 5.c3 0-0 6.d4 Bb6 Spanish: Berlin (Benelux)
C66 Spanish: Closed Berlin: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 d6 5.d4 Nd7 Spanish: Closed Berlin (Chigorin) 5.d4 Bd7 6.Nc3 exd4 Spanish: Closed Berlin (Wolf) 5.d4 Bd7 6.Nc3 Be7 Spanish: Closed Berlin (Hedgehog) 5.d4 Bd7 6.Nc3 Be7 7.Bg5 Spanish: Closed Berlin (Bernstein) 5.d4 Bd7 6.Nc3 Be7 7.Re1 0-0 Spanish: Closed Berlin (Tarrasch Trap) 5.d4 Bd7 6.Nc3 Be7 7.Bxc6 Spanish: Closed Berlin (Showalter)
C67 Spanish: Open Berlin: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 a6 Spanish: Open Berlin (Rosenthal) 5.d4 Be7 6.dxe5 Spanish: Open Berlin (Minckwitz) 5.d4 Be7 6.Qe2 d5 Spanish: Open Berlin (Trifunovic) 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nf5 Spanish: Open Berlin (Cordel) 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.b3 Spanish: Open Berlin (Fianchetto) 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.Nd4 Spanish: Open Berlin (Winawer) 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.c4 Spanish: Open Berlin (Zukertort) 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.Nc3 0-0 10.Re1 Spanish: Open Berlin (Pillsbury) 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.Nc3 0-0 10.Re1 Re8 11.Qc4 Spanish: Open Berlin (Alapin) 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.Nc3 0-0 10.Re1 Nc5 11.Nd4 Ne6 12.Be3 Nxd4 13.Bxd4 c5 Spanish: Open Berlin (Rio de Janeiro) 5.d4 Nd6 6.dxe5 Spanish: Open Berlin (l'Hermet) 5.d4 Nd6 6.Ba4 Spanish: Open Berlin (Showalter)
C68 Spanish: Morphy: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 Spanish: Exchange: 4.Bxc6 bxc6 5.Nc3 Spanish: Exchange (Keres) 4.Bxc6 dxc6 5.Nc3 Spanish: Exchange (Keres) 4.Bxc6 dxc6 5.Nc3 f6 6.d3 Spanish: Exchange (Romanovsky) 4.Bxc6 dxc6 5.d4 exd4 6.Qxd4 Qxd4 Spanish: Exchange (Alekhine) 4.Bxc6 dxc6 5.d4 Bg4 Spanish: Exchange (Alapin) 4.Bxc6 dxc6 5.0-0 Bg4 6.h3 h5 Spanish: Exchange (Alapin Gambit) 4.Bxc6 dxc6 5.0-0 Qd6 Spanish: Exchange (Bronstein) 4.Bxc6 dxc6 5.0-0 Bd6 Spanish: Exchange (Classical)
C69 Spanish: Exchange (Gligoric): 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.0-0 f6
C70 Spanish: Morphy: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nge7 Spanish: Morphy (Cozio) 4.Ba4 Bc5 Spanish: Morphy (Classical) 4.Ba4 f5 Spanish: Morphy (Schliemann) 4.Ba4 b5 Spanish: Morphy (Caro) 4.Ba4 b5 5.Bb3 Na5 Spanish: Morphy (Norwegian) 4.Ba4 b5 5.Bb3 Bc5 Spanish: Morphy (Graz) 4.Ba4 g6 Spanish: Morphy (Barnes) 4.Ba4 Bb4 Spanish: Morphy (Alapin) 4.Ba4 Nd4 Spanish: Morphy (Bird) 4.Ba4 g5 Spanish: Morphy (Brentano)
C71 Spanish: Modern Steinitz: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Nc3 Spanish: Modern Steinitz (Three Knights) 5.d4 b5 6.Bb3 exd4 7.Nxd4 Nxd4 8.Qxd4 Spanish: Modern Steinitz (Noah's Ark Trap) 5.c4 Spanish: Modern Steinitz (Keres)
C72 Spanish: Modern Steinitz: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.0-0
C73 Spanish: Modern Steinitz: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ 5...bxc6 6.d4 Spanish: Modern Steinitz (Richter) 5...bxc6 6.d4 f6 Spanish: Modern Steinitz (Alapin)
C74 Spanish: Steinitz: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 5...f5 Spanish: Modern Steinitz (Siesta) 5...f5 6.exf5 Bxf5 7.0-0 Spanish: Modern Steinitz (Kopayev)
C75 Spanish: Modern Steinitz: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.d4 Nge7 Spanish: Modern Steinitz (Rubinstein)
C76 Spanish: Modern Steinitz: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.d4 6.g6 Spanish: Modern Steinitz: (Bronstein)
C77 Spanish: Morphy: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Bxc6 Spanish: Morphy (Treybal) 5.Nc3 Spanish: Morphy (Tarrasch) 5.Nc3 Bc5 6.Nxe5 Nxe5 7.d4 Bd6 8.0-0 Spanish: Morphy (Berger) 5.d3 Spanish: Morphy (Anderssen) 5.d3 d6 6.c4 Spanish: Morphy (Duras) 5.d4 Spanish: Morphy (Mackenzie) 5.Qe2 Spanish: Morphy (Wormald) 5.Qe2 b5 6.Bb3 Be7 7.c3 d6 8.d4 Bg4 Spanish: Morphy (Grünfeld)
C78 Spanish: Morphy: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 5...Bc5 Spanish: Morphy (M.ller)Moller 5...b5 Spanish: Archangelsk 5...b5 6.Bb3 Bb7 Spanish: Archangelsk (Planinc) 5...b5 6.Bb3 Be7 7.a4 Spanish: Archangelsk (Wing Attack) 5...b5 6.Bb3 d6 7.Ng5 d5 8.exd5 Nd4 9.Re1 Bc5 10.Rxe5+ Kf8 Spanish: Archangelsk (Rabinovich)
C79 Spanish: Russian: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 d6 6.Bxc6+ bxc6 7.d4 Bg4 Spanish: Russian (Lipnitsky) 6.Bxc6+ bxc6 7.d4 Nxe4 Spanish: Russian (Rubinstein) 6.Bxc6+ bxc6 7.d4 Nxe4 8.Re1 f5 9.dxe5 d5 10.Nc3 Spanish: Russian (Boleslavsky)
C80 Spanish: Open: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.Qe2 Spanish: Open (Tartakower) 6.Nc3 Spanish: Open (Knorre) 6.d4 exd4 Spanish: Open (Riga) 6.d4 exd4 7.Re1 d5 8.Bg5 Spanish: Open (Riga-Berger) 6.d4 b5 7.d5 Spanish: Open (Richter) 6.d4 b5 7.Nxe5 Spanish: Open (Friess) 6.d4 b5 7.Bb3 d5 8.a4 Nxd4 Spanish: Open (Schlechter) 6.d4 b5 7.Bb3 d5 8.a4 Nxd4 9.Nxd4 exd4 10.Nc3 Spanish: Open (Schlechter-Berger) 6.d4 b5 7.Bb3 d5 8.c4 Spanish: Open (Harksen) 6.d4 b5 7.Bb3 d5 8.dxe5 Ne7 Spanish: Open (Zukertort) 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Nbd2 Spanish: Open (Bernstein) 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Nbd2 Nc5 10.c3 d4 11.Ng5 Spanish: Open (Karpov)
C81 Spanish: Open (Howell): 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 9...Be7 10.c4 Spanish: Open (Adam) 9...Be7 10.Rd1 0-0 11.c4 bxc4 12.Bxc4 Qd7 Spanish: Open (Ekström)
C82 Spanish: Open: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 9...Nc5 Spanish: Open (Berlin) 9...Bc5 Spanish: Open (Italian) 9...Bc5 10.Qd3 Spanish: Open (Motzko) 9...Bc5 10.Qd3 Ne7 Spanish: Open (Nenarokov) 9...Bc5 10.Nbd2 Spanish: Open (St. Petersburg) 9...Bc5 10.Nbd2 0-0 11.Bc2 Nxf2 Spanish: Open (Dilworth)
C83 Spanish: Open (Classical): 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Be7 10.a4 b4 11.Nd4 Spanish: Open (Alekhine) 10.a4 b4 11.Nd4 Qd7 12.Nxe6 fxe6 13.Rxe4 Spanish: Open (Tarrasch Trap) 10.Re1 0-0 11.Nd4 Nxe5 Spanish: Open (Breslau) 10.Nbd2 Spanish: Open (St. Petersburg) 10.Nbd2 0-0 11.Qe2 Spanish: Open (Malkin)
C84 Spanish: Closed: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Nc3 Spanish: Closed (Knight Attack) 6.d4 Spanish: Closed (Center Attack) 6.d4 exd4 7.e5 Ne4 8.c3 Spanish: Closed (Basque) 6.d4 b5 7.Bb3 d6 8.c3 Bg4 9.h3 Bxf3 10.Qxf3 exd4 Spanish: Closed (Bronstein-Nezmetdinov)
C85 Spanish: Closed (Steenwijker): 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Bxc6
C86 Spanish: Closed (Worrall): 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Qe2 6...b5 7.Bb3 0-0 Spanish: Closed (Sharp Worrall) 6...b5 7.Bb3 d6 Spanish: Closed (Solid Worrall)
C87 Spanish: Closed: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 6...d6 Spanish: Closed (Averbakh) 6...d6 7.c3 Bd7 8.d4 0-0 9.Nbd2 Be8 Spanish: Closed (Kecskemét)
C88 Spanish: Closed: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 7...Bb7 Spanish: Closed (Trajkovic) 7...0-0 8.a4 Spanish: Closed (Anti-Marshall)
C89 Spanish: Closed 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 8...d5 Spanish: Closed (Marshall) 8...d5 9.exd5 e4 Spanish: Closed (Steiner) 8...d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.Bxd5 cxd5 13.d4 Bd6 14.Re3 Spanish: Closed (Kevitz) 8...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 Spanish: Closed (Spassky)
C90 Spanish: Closed 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.d4 Nxd4 9.Nxd4 exd4 10.Qxd4 c5 Spanish: Closed (Noah's Ark Trap) 8.c3 Na5 9.Bc2 c5 Spanish: Closed (Chigorin) 8.c3 Na5 9.Bc2 c5 10.d4 Qc7 11.a4 Spanish: Closed (Balla) 8.c3 Na5 9.Bc2 c5 10.d4 Qc7 11.h3 Nc6 12.d5 Nb8 13.Nbd2 g5 Spanish: Closed (Leonhardt) 8.c3 0-0 9.a3 Spanish: Closed (Suetin) 8.c3 0-0 9.d3 Spanish: Closed (Pilnik) 8.c3 0-0 9.Bc2 Spanish: Closed (Lutikov) C91 Spanish: Closed (Yates): 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.d4 9...Bg4 Spanish: Closed (Bogolubov)
C92 Spanish: Closed: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 9...Qd7 Spanish: Closed (Zaitsev) 9...a5 Spanish: Closed (Keres) 9...Be6 Spanish: Closed (Kholmov) 9...Nd7 Spanish: Closed (Ragozin) 9...Bb7 Spanish: Closed (Lenzerheide)
C93 Spanish: Closed (Smyslov): 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.a3 h6 Spanish: Closed (Smyslov-Breyer)
C94 Spanish: Breyer: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Nb8 10.d3 Spanish: Breyer (Quiet)
C95 Spanish: Breyer: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Nb8 10.d4 10...Nbd7 Spanish: Breyer (Borisenko) 10...Nbd7 11.Nh4 Spanish: Breyer (Simagin) 10...Nbd7 11.Nbd2 Bb7 12.Bc2 c5 Spanish: Breyer (Gligoric)
C96 Spanish: Berger: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c6 11.d4 Qc7 Spanish: Berger (Rossolimo) 10.Bc2 c5 11.d4 Nd7 Spanish: Berger (Keres) 10.Bc2 c5 11.d4 Bb7 12.Nbd2 cxd4 13.cxd4 Nc6 Spanish: Berger (Russian) 10.Bc2 c5 11.d4 Nc6 Spanish: Berger (Borisenko)
C97 Spanish: Chigorin: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Bd7 13.Nf1 Rfe8 14.Ne3 g6 Spanish: Chigorin (Yugoslav)
C98 Spanish: Chigorin (Rauzer): 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6
C99 Spanish: Chigorin: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Spanish: Chigorin (Panov)
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