Chess puzzle (Checkmate)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 6. Bb3 dxe4 7. Bxf7+ Kxf7
8. Nxe5+ Nxe5 9. d3 Bc5 10. O-O Rf8 11. Qh5+ Ng6 12. dxe4 Bb6 13. Re1 Kg8 14.
Be3 Bxe3 15. Rxe3 Qf6 16. Rae1 Qxf2+ 17. Kh1 Qf1+ 18. Rxf1 *
Position (FEN): r1b2rk1/ppp3pp/6n1/7Q/4P3/4R3/PPP3PP/5R1K b - - 0 18
Black to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 483
Best move: Rxf1#