An entry in the Encyclopedia of Chess Openings (ECO A00), reached after 10 half-moves: 1. g3 Nc6 2. Nc3 d5 3. d4 e5 4. dxe5 d4 5. Ne4 f5.
1. g3 Nc6 2. Nc3 d5 3. d4 e5 4. dxe5 d4 5. Ne4 f5
No further variations branch from this position in our database. To explore neighbouring ideas: