An entry in the Encyclopedia of Chess Openings (ECO A34), reached after 10 half-moves: 1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7.
1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7
No further variations branch from this position in our database. To explore neighbouring ideas: