Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd2 e5 6. Nf3 exd4 7. Nxd4 g6 8. Nd5
Qd8 9. Nxf6+ Qxf6 10. Bc3 Qh4+ 11. g3 Qe7 12. Bg2 Bg7 13. O-O O-O 14. Qd2 Nd7
15. Rae1 Nb6 16. b3 Bd7 17. a4 c5 18. Ne2 Bc6 19. Bxg7 Kxg7 20. Nc3 Rfe8 21. a5
Nd7 22. h3 Rad8 23. g4 Qf6 24. Kh2 Qd4 25. Qxd4+ cxd4 26. Ne2 Bxe4 27. Nxd4 Nc5
28. Bxe4 Nxe4 29. Re3 d5 30. Rfe1 Re7 31. c4 Red7 32. Nf3 Nf6 33. Ne5 Rc7 34.
Rd1 Rcc8 35. Red3 Re8 36. cxd5 Rc2+ 37. R1d2 Rxd2+ 38. Rxd2 Ne4 39. Rd4 Nd6 40.
Nc4 Rd8 41. Nxd6 Rxd6 42. Kg3 Kf6 43. Kf3 Ke7 44. Ke4 Rd8 45. g5 Kd6 46. Kd3
Re8 47. Kc4 Rc8+ 48. Kb4 Rc5 49. h4 Rxd5 50. Rc4 a6 51. Rc8 Rf5 52. Rb8 Rxf4+
53. Ka3 Kc7 54. Rf8 Rxh4 55. Rxf7+ Kc6 56. Rf6+ Kb5 57. Rf7 Kxa5 58. Rxb7 Rh5 *
Position (FEN): 8/1R5p/p5p1/k5Pr/8/KP6/8/8 w - - 1 59
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1225
Best move: b4#