Chess puzzle (Checkmate)
Opening: Four_Knights_Game, Four_Knights_Game_Halloween_Gambit
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Nc6 6. e5 Ng8 7. d5 Nb8 8.
Bc4 d6 9. Qe2 Nd7 10. Bf4 g5 11. Qh5 gxf4 12. e6 Ngf6 *
Position (FEN): r1bqkb1r/pppn1p1p/3pPn2/3P3Q/2B2p2/2N5/PPP2PPP/R3K2R w KQkq - 1 13
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 973
Best move: Qxf7#