Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Nf6 5. e5 Nfd7 6. Be3 c5 7. Nb5 Nc6 8. c3 a6
9. Qa4 Nb6 10. Nd6+ Bxd6 11. Qc2 cxd4 12. cxd4 Bb4+ 13. Kf2 Bd7 14. Bd3 Rc8 15.
Qb3 Be7 16. h4 Bxh4+ 17. g3 Be7 18. Ne2 Na5 19. Qd1 Nac4 20. Bc1 h6 21. Nf4 Bb5
22. Nh5 Rg8 23. Bh7 Rh8 24. Nxg7+ Kf8 25. Bxh6 Qd7 26. Nxe6+ Ke8 27. Ng7+ Kd8
28. Bf5 Nxb2 29. Qb3 Nd3+ 30. Bxd3 Bxd3 31. Qxd3 Qa4 32. g4 Qc2+ 33. Qxc2 Rxc2+
34. Kg3 Nc4 35. Nf5 Rg8 36. Bf4 Bg5 37. Bxg5+ Rxg5 38. f4 Rg6 39. g5 Rc3+ 40.
Kg4 Rb6 41. Rh6 Rb2 42. Rh4 Rg2+ 43. Kh5 Nd2 44. Kh6 Ke8 45. Kg7 Ne4 46. Rh8+
Kd7 47. Kxf7 Rf3 48. Rh4 Nxg5+ 49. fxg5 Rxf5+ 50. Kg6 Rfxg5+ 51. Kf6 Rg6+ 52.
Kf5 Rg7 53. e6+ Kd6 54. Rh6 *
Position (FEN): 8/1p4r1/p2kP2R/3p1K2/3P4/8/P5r1/R7 b - - 2 54
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1579
Best move: Rf2#