Chess puzzle (Checkmate)
Moves: 1. d3 d5 2. Nf3 e5 3. e3 f6 4. e4 dxe4 5. dxe4 Qxd1+ 6. Kxd1 Bg4 7. Nd2 Nc6 8.
c3 O-O-O 9. Kc2 Bc5 10. Bb5 Bxf2 11. Bxc6 bxc6 12. Nc4 Ne7 13. Be3 Bxe3 14.
Nxe3 Be6 15. h4 h5 16. a4 c5 17. a5 a6 18. b3 Rd7 19. Nc4 Bxc4 20. bxc4 Rhd8
21. Rab1 Nc6 22. Ra1 Rd3 23. Rhe1 R3d7 24. Re3 Ne7 25. Ra2 Rd6 26. Rb2 Rd1 27.
Re2 Ra1 28. Nd2 Ra4 29. Nb3 Rxc4 30. Nd2 Ra4 31. Nb3 c4 32. Nc5 Rxa5 33. Ne6
Rg8 34. Rd2 Ng6 35. g3 Ne7 36. Kb1 Nc6 37. Kc2 Rb5 38. Ra2 a5 39. Rd5 Rxd5 40.
exd5 Ne7 41. Rxa5 Kd7 42. Rc5 c6 43. Rxc4 Nxd5 44. Nc5+ Kd6 45. Ne4+ Ke6 46.
Ra4 Kf5 47. Nf2 Ne3+ 48. Kd3 Ng4 49. Nxg4 hxg4 50. Ke3 Rd8 51. Ra7 g5 52. h5
Rh8 53. Rc7 Rxh5 54. Rxc6 Rh3 55. Kf2 Rh2+ 56. Kf1 Rc2 57. c4 e4 58. c5 e3 59.
Ke1 Ke4 60. Re6+ Kf3 61. Rxf6+ Kxg3 62. c6 e2 63. Rg6 Kg2 64. Rxg5 g3 65. Rg6
Kf3 66. Rf6+ Kg2 67. c7 Rc1+ 68. Kxe2 Rxc7 69. Rf7 Re7+ 70. Rxe7 Kg1 71. Rh7 g2
72. Kf3 Kf1 73. Ra7 g1=Q *
Position (FEN): 8/R7/8/8/8/5K2/8/5kq1 w - - 0 74
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 668
Best move: Ra1#