Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. Bc4 Nb6 6. Bb5+ Bd7 7. Qe2 Bxb5 8.
Qxb5+ Nc6 9. Qe2 dxe5 10. Nxe5 Nxe5 11. Qxe5 e6 12. d4 cxd4 13. Qxd4 Qxd4 14.
cxd4 Rc8 15. Nc3 Bb4 16. Bd2 f5 17. Rc1 O-O 18. a3 Be7 19. O-O Nc4 20. Rc2 Bxa3
21. bxa3 Nxd2 22. Rxd2 Rxc3 23. Rb1 b6 24. a4 Ra3 25. g3 Rxa4 26. d5 Rd8 27. d6
Kf7 28. Rc1 e5 29. Rc7+ Kf6 30. d7 b5 31. Rd6+ Ke7 32. Rd5 b4 33. Rxe5+ Kd6 34.
Rcc5 g6 35. Red5+ Ke6 36. Re5+ Kxd7 37. Rcd5+ Kc7 38. Re7+ Kc8 39. Rc5+ Kb8 40.
Rb5+ Ka8 41. Rxh7 Rb8 42. Rxb8+ Kxb8 43. Rh4 Ra1+ 44. Kg2 a5 45. Rh6 b3 46.
Rxg6 b2 47. Rb6+ Kc7 48. Rxb2 a4 49. h4 Kd6 50. Re2 Kc5 51. h5 Rd1 52. Re5+ Kb4
53. Rxf5 a3 54. Rf4+ Kb5 55. Rf5+ Kb4 56. Rf4+ Kb3 57. Rf3+ Kb2 58. Rxa3 Kxa3
59. g4 Rd8 60. g5 Rh8 61. h6 Kb4 62. Kg3 Kc5 63. Kg4 Kd5 64. Kf5 Rf8+ 65. Kg6
Rxf2 66. h7 Rh2 67. Kg7 Ke6 68. g6 Kf5 69. Kf7 Rh6 70. Kg7 Rxg6+ 71. Kh8 Ra6
72. Kg7 Ra7+ 73. Kg8 Kg6 74. h8=Q *
Position (FEN): 6KQ/r7/6k1/8/8/8/8/8 b - - 0 74
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1225
Best move: Ra8#