Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Bxf3 5. Qxf3 dxe5 6. Bc4 Qf6 7. Qb3 b6 8.
O-O c6 9. Nc3 Nd7 10. Be3 Nc5 11. Bxc5 Bxc5 12. Rad1 Ne7 13. Na4 O-O 14. Nxc5
bxc5 15. Qa3 Ng6 16. Qxc5 Nf4 17. g3 Nh3+ 18. Kh1 *
Position (FEN): r4rk1/p4ppp/2p2q2/2Q1p3/2B1P3/6Pn/PPP2P1P/3R1R1K b - - 2 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1207
Best move: Qf3#