1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 - Ruy Lopez: Berlin Defense, Improved Steinitz Defense

Ruy Lopez: Berlin Defense, Improved Steinitz Defense

Coups: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6