Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ 6. Kf1 Qe7 7. d3 O-O 8.
Nxe5+ d5 9. Nxc6 bxc6 10. Bb3 Bc5 11. Bf4 Bd6 12. Bxd6 cxd6 13. Nd2 Nxe4+ 14.
Nf3 Ng5 15. Qd2 Nxf3 16. gxf3 Rxf3+ 17. Kg1 Bh3 18. Re1 Raf8 19. Qd1 Qxe1+ 20.
Qxe1 Rf1+ 21. Qxf1 *
Position (FEN): 5rk1/p5pp/2pp4/3p4/8/1B1P3b/PPP4P/5QKR b - - 0 21
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 689
Best move: Rxf1#