An entry in the Encyclopedia of Chess Openings (ECO A03), reached after 6 half-moves: 1. f4 d5 2. Nf3 Nf6 3. e3 c5.
1. f4 d5 2. Nf3 Nf6 3. e3 c5
No further variations branch from this position in our database. To explore neighbouring ideas: