Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 h6 7. Bxf6 Qxf6 8.
Nd5 Qd8 9. Qf3 Bg7 10. Bc4 Bxd4 11. c3 Bg7 12. Nb6 axb6 *
Position (FEN): rnbqk2r/1pp2pb1/1p1p2pp/8/2B1P3/2P2Q2/PP3PPP/R3K2R w KQkq - 0 13
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 510
Best move: Qxf7#