Chess puzzle (Checkmate)
Opening: Kings_Gambit_Accepted, Kings_Gambit_Accepted_Cunningham_Defense
Moves: 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. Kf1 Be7 6. d4 a6 7. Bxf4 b5 8.
Bd5 c6 9. Bxf7+ Kxf7 10. Ne5+ Kf8 11. Qh5 Nf6 *
Position (FEN): rnbq1k1r/3pb1pp/p1p2n2/1p2N2Q/3PPB2/8/PPP3PP/RN3K1R w - - 4 12
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 819
Best move: Qf7#