Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Tartakower_Variation
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Be7 7. Bd3 O-O
8. Be3 Re8 9. Qd2 f5 10. O-O-O g6 11. h4 Bf6 12. h5 Nd7 13. hxg6 fxg6 14. Bc4+
Kh8 15. Bg5 Nb6 16. Bxf6+ Qxf6 17. Rxh7+ Kxh7 18. Rh1+ Kg7 *
Position (FEN): r1b1r3/pp4k1/1np2qp1/5p2/2BP4/5N2/PPPQ1PP1/2K4R w - - 2 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 723
Best move: Qh6#