Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Bc4 e6 3. Nf3 Nc6 4. O-O Qc7 5. d3 Nf6 6. Bg5 Be7 7. Re1 O-O 8. e5
Nd5 9. Bb3 Bxg5 10. Nxg5 h6 11. Nf3 a5 12. c4 Nf4 13. g3 Ng6 14. Bc2 Ngxe5 15.
Nxe5 Nxe5 16. Nc3 Nc6 17. d4 Nxd4 18. Qd3 f5 19. Nb5 Nxb5 20. cxb5 b6 21. g4
Qf4 22. h3 c4 23. Qe3 Qxe3 24. Rxe3 fxg4 25. hxg4 Bb7 26. Rae1 Rf4 27. Bd1 Raf8
28. Rf1 Bf3 29. Bxf3 Rxf3 30. Re2 R3f4 31. Rd2 d5 32. Re2 Rxg4+ 33. Kh2 Rg6 34.
f3 Rgf6 35. Kg3 d4 36. Re5 c3 37. bxc3 dxc3 38. a4 c2 39. Re3 Rg6+ 40. Kf2 Rc8
41. Rc1 h5 42. Re2 h4 43. Rexc2 Rxc2+ 44. Rxc2 h3 45. Rc1 Rg2+ 46. Ke3 Ra2 47.
Rh1 Rxa4 48. Rxh3 Ra3+ 49. Kd4 Rb3 50. Kc4 Rb1 51. f4 a4 52. Ra3 Rc1+ 53. Kd3
Rc5 54. Rxa4 Rxb5 55. Kd4 Kf7 56. Ra7+ Kf6 57. Ra8 Rb4+ 58. Ke3 b5 59. Rf8+ Ke7
60. Rg8 Kf7 61. Rb8 Rb3+ 62. Kd4 Rb4+ 63. Ke5 Rb1 64. Rb7+ Kg8 65. Kxe6 b4 66.
Kf5 b3 67. Kg6 b2 *
Position (FEN): 6k1/1R4p1/6K1/8/5P2/8/1p6/1r6 w - - 0 68
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 981
Best move: Rb8#