Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Other_variations
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 e6 4. Nf3 h6 5. e4 a6 6. Bxc4 Be7 7. O-O Nf6 8. e5
Nh7 9. Bd3 Ng5 10. Nxg5 Bxg5 11. Bxg5 Qxg5 12. Ne4 Qd8 13. Qg4 O-O 14. Nc5 Nd7
15. Qe4 Nxc5 *
Position (FEN): r1bq1rk1/1pp2pp1/p3p2p/2n1P3/3PQ3/3B4/PP3PPP/R4RK1 w - - 0 16
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1084
Best move: Qh7#