An entry in the Encyclopedia of Chess Openings (ECO D52), reached after 17 half-moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Bh4.
No further variations branch from this position in our database. To explore neighbouring ideas: