Chess puzzle (Checkmate)
Opening: London_System, London_System_Other_variations
Moves: 1. Nf3 Nf6 2. d4 g6 3. Bf4 d5 4. Nc3 Bg7 5. Qd2 Nbd7 6. Bh6 O-O 7. h4 Re8 8. h5
Bh8 9. hxg6 hxg6 10. Ne5 c5 11. O-O-O cxd4 12. Qxd4 Qb6 13. Nxd7 Bxd7 14. Qh4
Rac8 15. Bg5 Rxc3 *
Position (FEN): 4r1kb/pp1bpp2/1q3np1/3p2B1/7Q/2r5/PPP1PPP1/2KR1B1R w - - 0 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1256
Best move: Qxh8#