Chess puzzle (Crushing)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Karpov_Variation
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bf4 e6 6. Nd6+ Bxd6 7. Bxd6 Ngf6
8. Bd3 Nb6 9. Be5 O-O 10. Ne2 Ng4 11. Ng3 Nxe5 12. dxe5 Nd5 13. Qg4 Qa5+ 14.
Kd1 f5 15. exf6 Nxf6 16. Qh4 e5 17. Qxh7+ *
Position (FEN): r1b2rk1/pp4pQ/2p2n2/q3p3/8/3B2N1/PPP2PPP/R2K3R b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 816
Best move: Nxh7