An entry in the Encyclopedia of Chess Openings (ECO A38), reached after 10 half-moves: 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7.
1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7
No further variations branch from this position in our database. To explore neighbouring ideas: