An entry in the Encyclopedia of Chess Openings (ECO B50), reached after 8 half-moves: 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. dxc5 Nxe4.
1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. dxc5 Nxe4
No further variations branch from this position in our database. To explore neighbouring ideas: