An entry in the Encyclopedia of Chess Openings (ECO C65), reached after 9 half-moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 exd4 5. O-O.
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 exd4 5. O-O
No further variations branch from this position in our database. To explore neighbouring ideas: