Chess puzzle (Checkmate)
Moves: 1. f4 d5 2. Nf3 Nf6 3. e3 Bg4 4. b3 Nbd7 5. Bb2 c6 6. Be2 Bxf3 7. Bxf3 Qc7 8.
d4 e6 9. O-O c5 10. Ba3 cxd4 11. Bxf8 Kxf8 12. Qxd4 Qc5 13. Nd2 Rc8 14. c4 Qxd4
15. exd4 b6 16. Rac1 Ke7 17. Rfe1 Kd6 18. g3 g6 19. Kf2 h5 20. h3 Rc7 21. Nf1
Rhc8 22. Ne3 Nb8 23. a3 dxc4 24. bxc4 Nc6 25. Red1 Na5 26. Be2 Ke7 27. Kf3 Rd8
28. Rc3 Rcd7 29. Nc2 Nc6 30. Ke3 Rd6 31. Bf3 Na5 32. Nb4 Rc8 33. Be2 Rd7 34.
Rdc1 Rdc7 35. Bd3 Ne8 36. c5 Nf6 37. Be4 Nxe4 38. Kxe4 Nb7 39. Nd3 Rd8 40. Ne5
bxc5 41. dxc5 Rd5 42. Nd3 f5+ 43. Ke3 Na5 44. Nb4 Rd8 45. R1c2 Nc6 46. Nxc6+
Rxc6 47. Rc4 Rd5 48. Rc1 Kf6 49. R1c2 g5 50. Rc1 e5 51. fxe5+ Rxe5+ 52. Kf3 g4+
53. hxg4 hxg4+ 54. Kf2 Re8 55. Ra4 Re7 56. Ra5 Rec7 57. a4 Ke5 58. Ke3 Kd5 59.
Kf4 Ke6 60. Rb5 Ra6 61. Rb4 Ra5 62. Rbc4 Rc6 63. R1c2 Kf6 64. R2c3 Raa6 65. Rc2
Ra5 66. R2c3 Rc7 67. c6 Re5 68. Rc5 *
Position (FEN): 8/p1r5/2P2k2/2R1rp2/P4Kp1/2R3P1/8/8 b - - 2 68
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1004
Best move: Re4#