Chess puzzle (Crushing)
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. h3 g6 7. Nf3 Bg7 8. b3
O-O 9. Bb2 Nc6 10. Be2 Bf5 11. O-O Qc8 12. Bd3 a6 13. Bxf5 Qxf5 14. Nbd2 Qf4
15. Re1 Nxd4 16. Bxd4 Bxd4 17. Nxd4 Qxd4 18. Rxe7 Rab8 19. Nf3 Qc5 20. Qd5 *
Position (FEN): 1r3rk1/1p2Rp1p/pn1p2p1/2qQ4/2P5/1P3N1P/P4PP1/R5K1 b - - 4 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1218
Best move: Nxd5