ECO C39
ECO C00–C99 — Open Games and the French Defense: 1.e4 e6 and 1.e4 e5, from the Italian and Ruy Lopez to the King's Gambit.
28 named opening lines are classified under ECO code C39.
- King's Gambit Accepted: Allgaier Gambit — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5
- King's Gambit Accepted: Allgaier Gambit, Thorold Attack — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.d4
- King's Gambit Accepted: Allgaier Gambit, Urusov Attack — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Bc4+
- King's Gambit Accepted: Allgaier, Blackburne Gambit — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Nc3
- King's Gambit Accepted: Allgaier, Cook Variation — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.d4 d5 8.Bxf4 dxe4 9.Bc4+ Kg7 10.Be5+
- King's Gambit Accepted: Allgaier, Horny Defense — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Qxg4 Nf6 8.Qxf4 Bd6
- King's Gambit Accepted: Allgaier, Schlechter Defense — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 Nf6
- King's Gambit Accepted: Allgaier, Urusov Attack — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Bc4+ d5 8.Bxd5+ Kg7 9.d4
- King's Gambit Accepted: Kieseritzky Gambit — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5
- King's Gambit Accepted: Kieseritzky Gambit, Anderssen Defense — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6
- King's Gambit Accepted: Kieseritzky Gambit, Anderssen-Cordel Gambit — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6 8.d4 Nh5 9.Bxf4 Nxf4
- King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6
- King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense, Rubinstein Variation — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.d4
- King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense, de Riviere Variation — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Nxg4 d5
- King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d5
- King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense, Caro Variation — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d5 6.d4 Nf6 7.Bxf4 Nxe4 8.Nd2
- King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7
- King's Gambit Accepted: Kieseritzky Gambit, Kolisch Defense — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d6
- King's Gambit Accepted: Kieseritzky Gambit, Long Whip — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 h5
- King's Gambit Accepted: Kieseritzky Gambit, Neumann Defense — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nc6
- King's Gambit Accepted: Kieseritzky Gambit, Paulsen Defense — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Bg7
- King's Gambit Accepted: Kieseritzky Gambit, Paulsen Defense Deferred — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bg7
- King's Gambit Accepted: Kieseritzky Gambit, Rice Gambit — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6 8.O-O Bxe5
- King's Gambit Accepted: Kieseritzky Gambit, Rosenthal Defense — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Qe7
- King's Gambit Accepted: Kieseritzky, Long Whip Defense, Jaenisch Variation — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 h5 6.Bc4 Rh7 7.d4 Bh6 8.Nc3
- King's Gambit Accepted: Kieseritzky, Polerio Defense — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Be7
- King's Gambit Accepted: Kieseritzky, Rice Gambit — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6 8.O-O
- King's Gambit Accepted: Kieseritzky, Salvio Defense, Cozio Variation — 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Qe7 6.d4 f5 7.Bc4