Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Accelerated_Dragon
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. Qd2 O-O 8.
h4 h5 9. f3 d6 10. Nxc6 bxc6 11. Bh6 e5 12. Bxg7 Kxg7 13. Be2 Rb8 14. g4 hxg4
15. h5 gxh5 16. fxg4 Nxg4 17. Rxh5 Rg8 18. Bxg4 Bxg4 *
Position (FEN): 1r1q2r1/p4pk1/2pp4/4p2R/4P1b1/2N5/PPPQ4/R3K3 w Q - 0 19
White to move.
Themes:  Middlegame Dovetail Mate, Mate in 1 
Puzzle rating: 878
Best move: Qh6#