Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit_Declined
Moves: 1. e4 c5 2. d4 cxd4 3. c3 d3 4. c4 Nc6 5. Bxd3 e5 6. Nc3 Nf6 7. Nf3 Bc5 8. O-O
h6 9. a3 a5 10. Be3 b6 11. Qd2 O-O 12. Bxh6 gxh6 13. Qxh6 Nh7 14. Nd5 d6 15. h4
Ne7 16. Ng5 Nxg5 *
Position (FEN): r1bq1rk1/4np2/1p1p3Q/p1bNp1n1/2P1P2P/P2B4/1P3PP1/R4RK1 w - - 0 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1327
Best move: Nf6#