| C66 | Ruy Lopez |
| Berlin Defence, 4.O-O, d6 |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 |
| |
| C66 | Ruy Lopez |
| Berlin Defence, hedgehog Variation |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 |
| |
| C66 | Ruy Lopez |
| Berlin Defence, Tarrasch trap |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Re1 O-O |
| |
| C66 | Ruy Lopez |
| Closed Berlin Defence, Bernstein Variation |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Bg5 |
| |
| C66 | Ruy Lopez |
| Closed Berlin Defence, Showalter Variation |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Bxc6 |
| |
| C66 | Ruy Lopez |
| Closed Berlin Defence, Wolf Variation |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 exd4 |
| |
| C66 | Ruy Lopez |
| Closed Berlin Defence, Chigorin Variation |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Nd7 |
| |