Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 c6 4. e4 b5 5. a3 e6 6. Nf3 Nf6 7. Bg5 Be7 8. Be2
O-O 9. O-O Bb7 10. b3 cxb3 11. Qxb3 a6 12. Bxf6 Bxf6 13. e5 Be7 14. Rad1 c5 15.
dxc5 Qc7 16. a4 b4 17. Qxb4 Bxc5 18. Qb3 Nc6 19. Rfe1 Nxe5 20. Nxe5 Qxe5 21.
Bf3 Qc7 *
Position (FEN): r4rk1/1bq2ppp/p3p3/2b5/P7/1QN2B2/5PPP/3RR1K1 w - - 2 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1696
Best move: Qxb7