An entry in the Encyclopedia of Chess Openings (ECO C72), reached after 18 half-moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. d4 Be7 8. Nbd2 O-O 9. Re1 Be8.
No further variations branch from this position in our database. To explore neighbouring ideas: