Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Bb4 6. e3 O-O 7. Bd3 h6 8. Bh4
Nbd7 9. Qc2 a5 10. Nf3 Qe8 11. O-O c6 12. a3 Bxc3 13. bxc3 b5 14. a4 Bb7 15.
axb5 c5 16. h3 c4 17. Be2 Ne4 18. Nd2 Ndf6 19. Bxf6 Nxf6 20. Rfb1 Rb8 21. Rxa5
Qd7 22. Bf3 Rfe8 23. Ra7 Kf8 24. Qb2 Qd8 25. Qb4+ Kg8 26. Nxc4 dxc4 27. Rxb7
Rc8 28. b6 Nd5 29. Bxd5 Qxd5 30. Qb5 Qxb7 31. Rb4 Qe4 32. b7 Rb8 33. Qxc4 Rxb7
34. Rxb7 Qxb7 35. d5 Qb1+ 36. Kh2 Qf5 37. Qd4 Qe5+ 38. Qxe5 Rxe5 39. c4 Kf8 40.
Kg3 Ke7 41. Kf4 f6 42. e4 Rg5 43. g4 h5 44. f3 hxg4 45. hxg4 Kd6 46. Ke3 Re5
47. Kd4 g5 48. c5+ Kc7 49. Ke3 Re8 50. f4 gxf4+ 51. Kxf4 Re5 52. Kf3 Kb7 53.
Ke3 Kc7 54. Kf4 Re8 55. Kf5 Rf8 56. e5 fxe5+ 57. Kxe5 Re8+ 58. Kf5 Rf8+ 59. Ke4
Kd7 60. g5 Rf1 61. g6 Rg1 62. Kf5 Rf1+ 63. Ke5 Rg1 64. Kf6 Ke8 65. c6 Rf1+ 66.
Ke6 Re1+ 67. Kd6 Kd8 68. g7 Re8 69. c7+ Kc8 70. Kc6 Rg8 71. d6 Rxg7 72. Kc5
Rg5+ 73. Kc6 Rg8 *
Position (FEN): 2k3r1/2P5/2KP4/8/8/8/8/8 w - - 4 74
White to move.
Themes: Advanced Pawn Endgame, Rook Endgame Mate in 1 
Puzzle rating: 599
Best move: d7#