An entry in the Encyclopedia of Chess Openings (ECO B02), reached after 9 half-moves: 1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 c5 5. d3.
1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 c5 5. d3
No further variations branch from this position in our database. To explore neighbouring ideas: