ECO C48

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.

11 named opening lines are classified under ECO code C48.

• Four Knights Game: Spanish Variation — 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5
• Four Knights Game: Spanish Variation, Bardeleben Variation — 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.O-O O-O 6.Nxe5 Nxe5 7.d4 Bd6 8.f4 Nc6 9.e5 Bb4
• Four Knights Game: Spanish Variation, Classical Variation — 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5
• Four Knights Game: Spanish Variation, Ranken Variation — 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 a6 5.Bxc6
• Four Knights Game: Spanish Variation, Rubinstein Variation — 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4
• Four Knights Game: Spanish Variation, Rubinstein Variation Accepted — 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Nxd4
• Four Knights Game: Spanish Variation, Rubinstein Variation, Henneberger Variation — 1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.Bb5 Nd4 5.O-O
• Four Knights Game: Spanish Variation, Rubinstein Variation, Marshall Gambit — 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Ba4 Bc5 6.Nxe5 O-O
• Four Knights Game: Spanish Variation, Rubinstein Variation, Marshall Variation — 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Nxe5 Bc5 6.O-O O-O
• Four Knights Game: Spanish Variation, Rubinstein Variation, Maróczy Variation — 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Be2 Nxf3+ 6.Bxf3 Bc5 7.O-O O-O 8.d3 d6 9.Na4 Bb6
• Four Knights Game: Spanish Variation, Spielmann Variation — 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 a6 5.Bxc6 dxc6 6.Nxe5 Nxe4 7.Nxe4 Qd4 8.O-O Qxe5 9.Re1 Be6 10.d4 Qd5