Chess puzzle (Checkmate)
Opening: London_System, London_System_Other_variations
Moves: 1. d4 Nf6 2. Bf4 g6 3. Nf3 d5 4. e3 e6 5. Bd3 Bg7 6. c3 O-O 7. h4 c6 8. h5 Nxh5
9. Rxh5 gxh5 10. Ng5 f5 11. Qxh5 Qe8 *
Position (FEN): rnb1qrk1/pp4bp/2p1p3/3p1pNQ/3P1B2/2PBP3/PP3PP1/RN2K3 w Q - 1 12
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 790
Best move: Qxh7#