Chess puzzle (Checkmate)
Opening: Four_Knights_Game, Four_Knights_Game_Spanish_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 a6 5. Bxc6 dxc6 6. O-O Bd6 7. d4 Qe7 8.
dxe5 Bxe5 9. Nxe5 Qxe5 10. f4 Qc5+ 11. Kh1 O-O 12. Qf3 Bg4 13. Qg3 Qc4 14. e5 *
Position (FEN): r4rk1/1pp2ppp/p1p2n2/4P3/2q2Pb1/2N3Q1/PPP3PP/R1B2R1K b - - 0 14
Black to move.
Themes: Hanging Piece, Kingside Attack Middlegame Mate in 1 
Puzzle rating: 400
Best move: Qxf1#