Chess puzzle (Crushing)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nde2 Be7 8.
O-O O-O 9. Ng3 Be6 10. Nd5 Bxd5 11. exd5 Nbd7 12. Nf5 Nxd5 13. Be4 Nc7 14. Bxb7
Rb8 15. Bf3 Nc5 16. Re1 Qd7 17. Bg4 Qd8 18. a3 g6 19. Nxe7+ Qxe7 20. b4 N5e6
21. c4 Nd4 *
Position (FEN): 1r3rk1/2n1qp1p/p2p2p1/4p3/1PPn2B1/P7/5PPP/R1BQR1K1 w - - 1 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1415
Best move: Qxd4