Chess puzzle (Checkmate)
Opening: Kings_Gambit_Accepted, Kings_Gambit_Accepted_Muzio_Gambit
Moves: 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qh4 7. d4 Bh6 8. g3
fxg3 9. Qxf7+ Kd8 10. h3 Qxe4 11. Bd3 Qxd4+ 12. Kg2 b6 13. Bg5+ Bxg5 *
Position (FEN): rnbk2nr/p1pp1Q1p/1p6/6b1/3q4/3B2pP/PPP3K1/RN3R2 w - - 0 14
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 840
Best move: Qf8#