Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Other_variations
Moves: 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Nc3 e6 5. d4 a6 6. Bd3 Nf6 7. O-O Bd6 8. Bd2
b5 9. Re1 O-O 10. Ne2 Nc6 11. c3 a5 12. Ng3 b4 13. Ne5 Qc7 14. Bf4 Ba6 15. Bc2
bxc3 16. bxc3 Nd7 17. Nxd7 Qxd7 18. Qh5 Bxf4 *
Position (FEN): r4rk1/3q1ppp/b1n1p3/p2p3Q/3P1b2/2P3N1/P1B2PPP/R3R1K1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 985
Best move: Qxh7#