An entry in the Encyclopedia of Chess Openings (ECO D41), reached after 18 half-moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Qa5.
No further variations branch from this position in our database. To explore neighbouring ideas: