An entry in the Encyclopedia of Chess Openings (ECO D27), reached after 13 half-moves: 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. e4.
No further variations branch from this position in our database. To explore neighbouring ideas: