Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 e6 3. e3 Nf6 4. Bd3 Nc6 5. c3 Bd6 6. Bg3 O-O 7. Nd2 e5 8. dxe5
Nxe5 9. Be2 c5 10. Ngf3 Nxf3+ 11. Nxf3 Bxg3 12. hxg3 Ne4 13. Qc2 c4 14. O-O-O
Nxf2 *
Position (FEN): r1bq1rk1/pp3ppp/8/3p4/2p5/2P1PNP1/PPQ1BnP1/2KR3R w - - 0 15
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 878
Best move: Qxh7#