Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Other_variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Ne7 8. Bd3
h5 9. h3 Bd7 10. Nf3 f6 11. e5 d5 12. exf6 Bxf6 13. Nd4 e5 14. Nxd5 Nxd5 15.
Bxg6+ Ke7 16. O-O-O Na6 17. Nf3 Nxe3 *
Position (FEN): r2q3r/pp1bk3/n4bB1/4p2p/8/4nN1P/PPPQ1PP1/2KR3R w - - 0 18
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1288
Best move: Qd6#