An entry in the Encyclopedia of Chess Openings (ECO A00), reached after 7 half-moves: 1. g4 d5 2. Bg2 e5 3. d4 exd4 4. c3.
1. g4 d5 2. Bg2 e5 3. d4 exd4 4. c3
No further variations branch from this position in our database. To explore neighbouring ideas: