Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Mason_Variation
Moves: 1. d4 d5 2. Bf4 e6 3. e3 c5 4. c3 c4 5. b3 b5 6. bxc4 bxc4 7. Nf3 Be7 8. h4 Nf6
9. Nbd2 O-O 10. Be2 Qa5 11. Qc2 Bd7 12. Bd1 Nc6 13. Ne5 Nxe5 14. Bxe5 Qd8 15.
g4 Nxg4 16. Bxg4 Bxh4 17. Bg3 Bxg3 *
Position (FEN): r2q1rk1/p2b1ppp/4p3/3p4/2pP2B1/2P1P1b1/P1QN1P2/R3K2R w KQ - 0 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 951
Best move: Qxh7#