Code ECO C43 – Bishop’s Opening Coups: 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Voir : 12 24 Tous 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 - Petrov's Defense: Modern Attack, Center Variation (1) Petrov's Defense: Modern Attack, Center Variation Coups: 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3
