Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 e6 3. Nf3 Nf6 4. Nbd2 Bd6 5. Ne5 O-O 6. e3 Nc6 7. Ndf3 Nd7 8.
Bd3 Ndxe5 9. Bxh7+ Kxh7 10. Ng5+ Kg8 11. Qh5 f6 *
Position (FEN): r1bq1rk1/ppp3p1/2nbpp2/3pn1NQ/3P1B2/4P3/PPP2PPP/R3K2R w KQ - 0 12
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 837
Best move: Qh7#