Chess puzzle (Checkmate)
Opening: Rat_Defense, Rat_Defense_Harmonist
Moves: 1. e4 d6 2. f4 Nf6 3. Nc3 Nc6 4. Nf3 g6 5. Bb5 Bg7 6. Bxc6+ bxc6 7. d3 O-O 8.
O-O e5 9. f5 gxf5 10. exf5 Bxf5 11. Bg5 Kh8 12. Ne4 h6 13. Nxf6 Bxf6 14. Bxf6+
Qxf6 15. Rf2 Rg8 16. Qd2 Qg6 17. Raf1 Bh3 18. Nh4 Qg4 *
Position (FEN): r5rk/p1p2p2/2pp3p/4p3/6qN/3P3b/PPPQ1RPP/5RK1 w - - 8 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 931
Best move: Qxh6#