An entry in the Encyclopedia of Chess Openings (ECO E08), reached after 20 half-moves: 1. d4 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 d5 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. b3 b6 9. Rd1 Bb7 10. Nc3 b5.
No further variations branch from this position in our database. To explore neighbouring ideas: