Chess puzzle (Checkmate)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. Nc3 c6 7. Bg5 Be7 8.
O-O-O O-O 9. Qe3 b5 10. Bd3 d6 11. e5 Ng4 12. Qe4 Bxg5+ 13. Kb1 d5 *
Position (FEN): r1bq1rk1/p4ppp/2p5/1p1pP1b1/4Q1n1/2NB4/PPP2PPP/1K1R3R w - - 0 14
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 654
Best move: Qxh7#