An entry in the Encyclopedia of Chess Openings (ECO A38), reached after 13 half-moves: 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 Nc6 7. d3.
No further variations branch from this position in our database. To explore neighbouring ideas: