An entry in the Encyclopedia of Chess Openings (ECO B20), reached after 7 half-moves: 1. e4 c5 2. Na3 Nc6 3. d4 cxd4 4. Bc4.
1. e4 c5 2. Na3 Nc6 3. d4 cxd4 4. Bc4
No further variations branch from this position in our database. To explore neighbouring ideas: