An entry in the Encyclopedia of Chess Openings (ECO B22), reached after 8 half-moves: 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4.
1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4
No further variations branch from this position in our database. To explore neighbouring ideas: