An entry in the Encyclopedia of Chess Openings (ECO A16), reached after 7 half-moves: 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3.
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3
No further variations branch from this position in our database. To explore neighbouring ideas: