An entry in the Encyclopedia of Chess Openings (ECO A15), reached after 6 half-moves: 1. c4 Nf6 2. Nf3 g6 3. g3 d5.
1. c4 Nf6 2. Nf3 g6 3. g3 d5
No further variations branch from this position in our database. To explore neighbouring ideas: