Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Old_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Nc3 e6 5. Bxc4 Be7 6. Nf3 O-O 7. O-O c6 8. Bd2
Nd5 9. Nxd5 exd5 10. Bd3 Bg4 11. h3 Bxf3 12. Qxf3 Nd7 13. Rfe1 Nb6 14. e4 dxe4
15. Qxe4 Bf6 *
Position (FEN): r2q1rk1/pp3ppp/1np2b2/8/3PQ3/3B3P/PP1B1PP1/R3R1K1 w - - 1 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 691
Best move: Qxh7#