Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Albin-Blackburne_Gambit
Moves: 1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Nd7 5. exd6 Bxd6 6. Be2 Qe7 7. Nc3 Ngf6 8.
Bg5 O-O 9. Nd5 Qe6 10. O-O Bxf3 11. Nxf6+ Nxf6 12. Bxf3 Qe5 13. Bxf6 *
Position (FEN): r4rk1/ppp2ppp/3b1B2/4q3/4P3/5B2/PPP2PPP/R2Q1RK1 b - - 0 13
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 860
Best move: Qxh2#