Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 Bg4 7. Be2 e6 8.
Nc3 Qd8 9. Bb5 Bxf3 10. Qxf3 Ne7 11. Be3 g6 12. O-O Bg7 13. Rad1 O-O 14. Qh3
Nxd4 15. Bxd4 Bxd4 16. Ne2 Nf5 17. Qg4 Qb6 18. Nxd4 Nxd4 19. Qxd4 Qxb5 20. Rd3
Qb6 21. Qxb6 axb6 22. a3 Rad8 23. Rfd1 Rxd3 24. Rxd3 Rc8 25. h3 Kg7 26. Rd7
Rc1+ 27. Kh2 Rc2 28. Rxb7 Rxb2 29. f3 Rb3 30. a4 Rb4 31. Kg3 Rxa4 32. Rxb6 Kf6
33. Rb8 Ra5 34. Rh8 h5 35. Kh4 Rg5 36. g4 hxg4 37. hxg4 Rd5 38. f4 Rd4 39. Kg3
Kg7 40. Rc8 f5 41. g5 Rd5 42. Rc7+ Kf8 43. Rh7 e5 44. fxe5 Rxe5 45. Rh4 Re3+
46. Kf2 Rb3 47. Rc4 Kf7 48. Rc7+ Ke6 49. Rc6+ Kf7 50. Rc7+ Kf8 51. Rc6 Rb2+ 52.
Ke3 Kf7 53. Rc7+ Kg8 54. Kf4 Rg2 55. Rc8+ Kf7 56. Rc7+ Ke8 57. Rg7 Rg4+ 58. Ke5
Rxg5 59. Kf6 Rg4 60. Ke6 Kf8 61. Rf7+ Kg8 62. Ra7 f4 63. Ra4 g5 64. Kf5 Rg3 65.
Kg6 f3 *
Position (FEN): 6k1/8/6K1/6p1/R7/5pr1/8/8 w - - 0 66
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 631
Best move: Ra8#