An entry in the Encyclopedia of Chess Openings (ECO A00), reached after 9 half-moves: 1. g3 e5 2. Nh3 d5 3. f4 Bxh3 4. Bxh3 exf4 5. O-O.
1. g3 e5 2. Nh3 d5 3. f4 Bxh3 4. Bxh3 exf4 5. O-O
No further variations branch from this position in our database. To explore neighbouring ideas: