Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Bf4 Nf6 7. Nf3 Bg4 8. h3
Bd7 9. O-O Qc8 10. Re1 Bxh3 11. e5 dxe5 12. Nxe5 Nxe5 13. Bxe5 Bxg2 14. Kxg2
Qc6+ 15. Kg1 O-O 16. Ne4 Nxe4 17. Bxg7 Nxg3 18. Bxf8 *
Position (FEN): r4Bk1/pp2pp1p/2q3p1/2p5/8/3P2n1/PPP2P2/R2QR1K1 b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 923
Best move: Qh1#