An entry in the Encyclopedia of Chess Openings (ECO D21), reached after 6 half-moves: 1. d4 d5 2. c4 dxc4 3. Nf3 Nd7.
1. d4 d5 2. c4 dxc4 3. Nf3 Nd7
No further variations branch from this position in our database. To explore neighbouring ideas: