An entry in the Encyclopedia of Chess Openings (ECO C24), reached after 12 half-moves: 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 d5 5. exd5 Bb4+ 6. c3 Qe7+.
No further variations branch from this position in our database. To explore neighbouring ideas: