Chess puzzle (Checkmate)
Opening: London_System, London_System_Other_variations
Moves: 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Bd3 d6 6. Nbd2 Nc6 7. c3 Nd7 8. O-O
e5 9. Bg5 f6 10. Qb3+ Kh8 11. Bh4 g5 12. Bg3 g4 13. Nh4 exd4 14. exd4 Nb6 15.
Rae1 Bd7 16. Bb1 Re8 17. Qc2 Rxe1 *
Position (FEN): r2q3k/pppb2bp/1nnp1p2/8/3P2pN/2P3B1/PPQN1PPP/1B2rRK1 w - - 0 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1509
Best move: Qxh7#