An entry in the Encyclopedia of Chess Openings (ECO A13), reached after 8 half-moves: 1. c4 Nf6 2. Nf3 e6 3. g3 a6 4. Bg2 b5.
1. c4 Nf6 2. Nf3 e6 3. g3 a6 4. Bg2 b5
No further variations branch from this position in our database. To explore neighbouring ideas: