Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bd3 Nc6 3. c3 Nf6 4. Bc2 d5 5. exd5 Nxd5 6. Nf3 g6 7. O-O Bg4 8.
Re1 Bd6 9. d4 Bxf3 10. Qxf3 Nb6 11. dxe5 Bxe5 12. Bf4 Nd7 13. Qg3 Qe7 14. Ba4
f6 15. Bxc6 bxc6 16. Bxe5 fxe5 17. Nd2 O-O-O 18. Nc4 Rde8 19. a4 g5 20. a5 a6
21. b4 Qe6 22. Ne3 Rhf8 23. Qxg5 e4 24. Rad1 Qa2 25. Ng4 h6 26. Qxh6 Ne5 27.
Qh3 Kb7 28. Rxe4 Nxg4 29. Rxe8 Qxf2+ 30. Kh1 Qf1+ 31. Rxf1 *
Position (FEN): 4Rr2/1kp5/p1p5/P7/1P4n1/2P4Q/6PP/5R1K b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 699
Best move: Rxf1#