An entry in the Encyclopedia of Chess Openings (ECO A00), reached after 6 half-moves: 1. g4 d5 2. Bg2 Bxg4 3. c4 d4.
1. g4 d5 2. Bg2 Bxg4 3. c4 d4
No further variations branch from this position in our database. To explore neighbouring ideas: