An entry in the Encyclopedia of Chess Openings (ECO E17), reached after 15 half-moves: 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 exd5 8. Nh4.
No further variations branch from this position in our database. To explore neighbouring ideas: