Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Harrwitz_Attack
Moves: 1. d4 Nf6 2. Bf4 d5 3. c4 e6 4. Nc3 c5 5. dxc5 Bxc5 6. Nf3 O-O 7. Qd2 Nc6 8.
O-O-O dxc4 9. e4 a6 10. Bxc4 b5 11. Bd3 Bb7 12. e5 Nd5 13. Ng5 Nxf4 14. Bxh7+
Kh8 15. Qxf4 Qc7 16. Qh4 Bxf2 17. Bg8+ Kxg8 *
Position (FEN): r4rk1/1bq2pp1/p1n1p3/1p2P1N1/7Q/2N5/PP3bPP/2KR3R w - - 0 18
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 733
Best move: Qh7#