An entry in the Encyclopedia of Chess Openings (ECO A80), reached after 7 half-moves: 1. d4 f5 2. g4 fxg4 3. e4 d5 4. Nc3.
1. d4 f5 2. g4 fxg4 3. e4 d5 4. Nc3
No further variations branch from this position in our database. To explore neighbouring ideas: