ECO List: C00-C99

Quick Links

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

C00-C19 French

C00* French: 1.e4 e6
2.e5     French: Steinitz
2.f4     French: Labourdonnais
2.b3     French: Spielmann
2.g3     French: RétiReti
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)Pelikan
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* French: 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)Maroczy

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 (Ståhlberg)Stahlberg
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)Maroczy
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: MaróczyMaroczy
2…d6 3.dxe5 Bd7     Center Game: Maróczy (Philidor)Maroczy
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)Lopez
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)Wurzburger
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)Wurzburger
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)Reti
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: RétiReti
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)Boren
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 Rivière)Rivieri
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)Maroczy
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: LópezLopez
3.Bc4 f5 4.d4 exd4 5.Ng5 Nh6 6.Nxh7     Philidor: López (Jaenisch)Lopez
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)Larobok
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: LópezLopez
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)Maroczy
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)

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: RétiReti
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: GöringGoring
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)Goring
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* 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)Lowenborg
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)Maroczy

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)Vasquez
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 (Güring)Goring
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)Moller
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)Maroczy
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)Goring
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: NürnbergNurnberg
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)Schonemann
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)Mohring
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)Grunfeld

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)Ekstrom

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)Kecskemet

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)