An entry in the Encyclopedia of Chess Openings (ECO B40), reached after 10 half-moves: 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 Nc6.
1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 Nc6
No further variations branch from this position in our database. To explore neighbouring ideas: