An entry in the Encyclopedia of Chess Openings (ECO A02), reached after 7 half-moves: 1. f4 e5 2. d4 exd4 3. Nf3 c5 4. c3.
1. f4 e5 2. d4 exd4 3. Nf3 c5 4. c3
No further variations branch from this position in our database. To explore neighbouring ideas: