Chess puzzle (Checkmate)
Moves: 1. g3 g6 2. Bg2 Bg7 3. d3 d6 4. e4 Nf6 5. f4 O-O 6. Nf3 Nc6 7. O-O b6 8. e5 Ne8
9. d4 Bb7 10. d5 Nb4 11. c4 dxe5 12. fxe5 Na6 13. Nc3 c6 14. Bf4 cxd5 15. cxd5
Nec7 16. d6 exd6 17. exd6 Ne6 18. Be3 Qd7 19. Qd2 Rad8 20. Rad1 Nac5 21. b4 Ne4
22. Nxe4 Bxe4 23. Bh6 Qc6 24. Bxg7 Nxg7 25. Ne5 Qb7 26. Bxe4 Qxe4 27. Qd5 Qe3+
28. Kh1 Nf5 29. Ng4 Qg5 30. Rxf5 Qxg4 31. Rf4 Qe6 32. d7 Kg7 33. Qd4+ f6 34.
Rf2 Rf7 35. Rfd2 Qc6+ 36. Kg1 a5 37. bxa5 bxa5 38. Qd6 Qb7 39. h4 Qa7+ 40. Kh2
h5 41. Qe6 Qc7 42. Rd6 Qc2+ 43. R1d2 Qc5 44. Qd5 Qxd5 45. R6xd5 Kf8 46. Kg2 Re7
47. Rd6 Kf7 48. Rf2 f5 49. Rfd2 a4 50. R6d4 a3 51. R4d3 Ke6 52. Re3+ Kf7 53.
Red3 Ke6 54. Rd6+ Kf7 55. Ra6 Rexd7 56. Rxd7+ Rxd7 57. Rxa3 Rd2+ 58. Kf3 Kf6
59. Ra6+ Kg7 60. a4 Ra2 61. a5 Ra3+ 62. Kf4 Ra4+ 63. Ke5 Ra3 64. Ra7+ Kh6 65.
Kf6 Rf3 66. Ra8 Rxg3 *
Position (FEN): R7/8/5Kpk/P4p1p/7P/6r1/8/8 w - - 0 67
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 686
Best move: Rh8#