An entry in the Encyclopedia of Chess Openings (ECO B22), reached after 9 half-moves: 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Na3.
1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Na3
No further variations branch from this position in our database. To explore neighbouring ideas: