e4 e5 Nf3 Nc6 Bb5 d6
| Ruy Lopez old Steinitz defence, Nimzovich attack (C62) d4 Bd7 Nc3 Nf6 Bc6 | d4 Bd7 Nc3 Nf6 Bc6 Ruy Lopez old Steinitz defence, Nimzovich attack (C62) |
| Ruy Lopez old Steinitz defence, semi-Duras variation (C62) d4 Bd7 c4 | d4 Bd7 c4 Ruy Lopez old Steinitz defence, semi-Duras variation (C62) |