An entry in the Encyclopedia of Chess Openings (ECO C44), reached after 8 half-moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+.
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+
No further variations branch from this position in our database. To explore neighbouring ideas: