An entry in the Encyclopedia of Chess Openings (ECO D15), reached after 9 half-moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3.
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3
No further variations branch from this position in our database. To explore neighbouring ideas: