An entry in the Encyclopedia of Chess Openings (ECO B04), reached after 8 half-moves: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6.
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6
No further variations branch from this position in our database. To explore neighbouring ideas: