ECO C65
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.
12 named opening lines are classified under ECO code C65.
- Ruy Lopez: Berlin Defense — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6
- Ruy Lopez: Berlin Defense, Anti-Berlin Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3
- Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Anderssen Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.Bxc6+
- Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Duras Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.c4
- Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Kaufmann Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Bc5 5.Be3
- Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer Trap — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Ne7 5.Nxe5 c6
- Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Ne7
- Ruy Lopez: Berlin Defense, Beverwijk Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5
- Ruy Lopez: Berlin Defense, Fishing Pole Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Ng4
- Ruy Lopez: Berlin Defense, Nyholm Attack — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d4 exd4 5.O-O
- Ruy Lopez: Classical Variation, Zukertort Gambit — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5 5.c3
- Ruy Lopez: Halloween Attack — 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.Nxe5