An entry in the Encyclopedia of Chess Openings (ECO A36), reached after 9 half-moves: 1. c4 c5 2. e4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2.
1. c4 c5 2. e4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2
No further variations branch from this position in our database. To explore neighbouring ideas: