Chess puzzle (Checkmate)
Opening: Italian_Game, Italian_Game_Two_Knights_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d5 5. exd5 Nxd5 6. Ng5 Be6 7. Nxe6 fxe6 8.
Qh5+ g6 9. Qf3 Bg7 10. Bxd5 exd5 11. O-O Qd6 12. Re1 O-O-O 13. Nc3 Rhf8 14.
Qg4+ Kb8 15. Nb5 Qc5 16. Nc3 Qxf2+ 17. Kh1 Qf1+ 18. Rxf1 *
Position (FEN): 1k1r1r2/ppp3bp/2n3p1/3pp3/6Q1/2NP4/PPP3PP/R1B2R1K b - - 0 18
Black to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 530
Best move: Rxf1#