Chess puzzle (Checkmate)
Moves: 1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. e4 Bb4 5. Qc2 Nf6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nf3
d6 9. Bd3 Bxc3+ 10. Qxc3 Nd7 11. O-O e5 12. d5 Nc5 13. Bc2 Qf4 14. Rfe1 O-O 15.
b4 Nd7 16. g3 Qf6 17. Ba4 Rfd8 18. Nh4 g6 19. Bxd7 Rxd7 20. f4 Qe7 21. fxe5
Qxe5 22. Qxe5 dxe5 23. c5 bxc5 24. bxc5 Ba6 25. Rab1 Rdd8 26. Kf2 Rab8 27. Ke3
Kg7 28. Nf3 f6 29. h4 h5 30. a3 Kf7 31. Rb4 Rxb4 32. axb4 Bb5 33. Ra1 Ra8 34.
Ra5 c6 35. d6 Ke6 36. Nd2 f5 37. Nb1 fxe4 38. Nc3 Bd3 39. Nxe4 Bxe4 40. Kxe4 a6
41. Kd3 Ra7 42. Kc4 Ra8 43. Ra1 Ra7 44. Rd1 Rd7 45. Rf1 Rd8 46. Rf2 Ra8 47. Ra2
Ra7 48. Rf2 Ra8 49. Rg2 Rf8 50. Kd3 Rf3+ 51. Kc4 Rf8 52. Ra2 Ra8 53. Kd3 Ra7
54. Ke4 Ra8 55. Rf2 Rb8 56. Ra2 Rxb4+ 57. Ke3 Rb5 58. Rd2 Kd7 59. Rc2 a5 60.
Ke4 Ke6 61. Rd2 Rb4+ 62. Kf3 Kd7 63. Re2 Ke6 64. Rd2 e4+ 65. Ke3 Kd7 66. Rf2 a4
67. Rf7+ Kd8 68. Rc7 a3 69. Rxc6 Ra4 70. Rb6 a2 71. c6 a1=Q *
Position (FEN): 3k4/8/1RPP2p1/7p/r3p2P/4K1P1/8/q7 w - - 0 72
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1259
Best move: Rb8#