Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d3 d6 3. Nf3 Nc6 4. Be3 g6 5. Be2 Bg7 6. O-O Bxb2 7. Nc3 Bxa1 8.
Qxa1 Nf6 9. Qb2 a6 10. Ng5 Bg4 11. Bxg4 Nxg4 12. Qb3 e6 13. Nxe6 fxe6 14. Qxe6+
Qe7 15. Qxg4 O-O 16. Nd5 Qe5 17. Bh6 Rf7 18. f4 Qd4+ 19. Kh1 Nb4 20. f5 Nxd5
21. Qg5 Nc7 22. Rc1 Qf6 23. fxg6 Qf1+ 24. Rxf1 *
Position (FEN): r5k1/1pn2r1p/p2p2PB/2p3Q1/4P3/3P4/P1P3PP/5R1K b - - 0 24
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 563
Best move: Rxf1#