Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. cxd5 Nxd5 7. a3 a6 8. Bd3
Nc6 9. Nf3 Be7 10. O-O O-O 11. h3 Nf6 12. Rb1 Re8 13. b4 b5 14. Bb2 Bb7 15. Ne4
Rc8 16. Neg5 h6 17. Ne4 Qd5 18. Re1 Rcd8 19. Qc2 Rc8 20. Nc5 Nb8 21. Re5 Qc6
22. Rc1 Nbd7 23. Re2 Red8 24. Qd2 Nxc5 25. bxc5 Qd5 26. Qe1 Bxc5 27. Re5 Qa2
28. Rexc5 Rxc5 29. Rxc5 Qxb2 30. Rc7 Bxf3 31. gxf3 Qxd4 32. Be4 Nxe4 33. fxe4
Qe5 34. Ra7 Rd6 35. Qe3 Rd1+ 36. Kg2 Rd6 37. Qf3 Qg5+ 38. Kh2 Qf6 39. Qg3 Rd2
40. Ra8+ Kh7 41. Kg2 Qg6 42. Qxg6+ Kxg6 43. Ra7 Rd6 44. Kg3 f5 45. e5 Rc6 46.
h4 Rc3+ 47. Kf4 Rxa3 48. f3 a5 49. Ra6 Ra4+ 50. Kg3 b4 51. Rxe6+ Kf7 52. Rb6
Ra1 53. h5 Rh1 54. Rb5 Rg1+ 55. Kh2 Ra1 56. Rb7+ Kg8 57. Kg3 Rb1 58. Kf4 a4 59.
Kxf5 a3 60. Kg6 a2 *
Position (FEN): 6k1/1R4p1/6Kp/4P2P/1p6/5P2/p7/1r6 w - - 0 61
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1207
Best move: Rb8#