An entry in the Encyclopedia of Chess Openings (ECO E03), reached after 13 half-moves: 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2.
No further variations branch from this position in our database. To explore neighbouring ideas: