An entry in the Encyclopedia of Chess Openings (ECO C43), reached after 7 half-moves: 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3.
1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3
No further variations branch from this position in our database. To explore neighbouring ideas: