An entry in the Encyclopedia of Chess Openings (ECO D66), reached after 18 half-moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. Nf3 Be7 6. e3 Nbd7 7. Rc1 O-O 8. Bd3 dxc4 9. Bxc4 b5.
No further variations branch from this position in our database. To explore neighbouring ideas: