An entry in the Encyclopedia of Chess Openings (ECO A00), reached after 7 half-moves: 1. f3 d5 2. e4 g6 3. d4 dxe4 4. c3.
1. f3 d5 2. e4 g6 3. d4 dxe4 4. c3
No further variations branch from this position in our database. To explore neighbouring ideas: