Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. d4 Bg4 5. dxe5 Bxf3 6. Qxf3 Qd7 7. Nc3 dxe5 8.
Be3 Nc6 9. Rd1 Qe7 10. Bc5 Qf6 11. Nd5 Qxf3 *
Position (FEN): r3kbnr/ppp2pp1/2n4p/2BNp3/2B1P3/5q2/PPP2PPP/3RK2R w Kkq - 0 12
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1640
Best move: Nxc7#