Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Nf6 5. O-O Be7 6. Nbd2 O-O 7. e4 Bg4 8. h3
Bh5 9. g4 Bg6 10. Qe2 d4 11. Nc4 Nd7 12. a4 f6 13. Nh4 Bf7 14. b3 a5 15. Nf5
Bxc4 16. Nxe7+ Qxe7 17. bxc4 Nb4 18. Ba3 c5 19. Bxb4 axb4 20. f4 Ra5 21. Ra2
Rfa8 22. fxe5 Nxe5 23. Rfa1 h6 24. Qf2 Qe8 25. Qf5 Qd7 26. Qxd7 Nxd7 27. e5
fxe5 28. Bxb7 R8a7 29. Bc6 Nb6 30. Bb5 Kf7 31. Kg2 Ke6 32. Kf3 Rf7+ 33. Kg3 g5
34. Re1 Rfa7 35. Rea1 Rf7 36. Re1 Rf4 37. Re2 Rf1 38. Rf2 Rg1+ 39. Rg2 Rb1 40.
Rf2 b3 41. cxb3 Rxb3 42. Rfd2 Rb4 43. h4 e4 44. dxe4 Ke5 45. hxg5 hxg5 46. Kf3
Nxc4 47. Bxc4 Rxc4 48. Rd3 Rcxa4 49. Rxa4 Rxa4 50. Rb3 d3 51. Rxd3 Rxe4 52. Rd8
Rf4+ 53. Kg3 c4 54. Rc8 Kd4 55. Rd8+ Ke3 56. Rd5 c3 57. Rxg5 c2 58. Rc5 Rf3+
59. Kh4 Kd2 60. g5 c1=Q 61. Rxc1 Kxc1 62. Kh5 Rh3+ 63. Kg6 Kd2 64. Kf7 Rf3+ 65.
Kg7 Ke3 66. g6 Ke4 67. Kg8 Kf5 68. g7 Kf6 69. Kf8 Ra3 70. g8=Q *
Position (FEN): 5KQ1/8/5k2/8/8/r7/8/8 b - - 0 70
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 514
Best move: Ra8#