Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Bf5 3. c4 c6 4. cxd5 cxd5 5. e3 Nc6 6. Bb5 e6 7. Nd2 Nf6 8. Rc1
Qb6 9. Qa4 Rc8 10. Ngf3 a6 11. Bxc6+ bxc6 12. Ne5 Bb4 13. Nf3 O-O 14. O-O Bxd2
15. Nxd2 Ne4 16. Nxe4 Bxe4 17. Bd6 Rfe8 18. b3 Bd3 19. Bc5 Qd8 20. Rfd1 Bb5 21.
Qb4 a5 22. Qd2 Qg5 23. a4 Ba6 24. Qxa5 Ra8 25. Qd2 h5 26. Bd6 h4 27. h3 f6 28.
Rxc6 e5 29. dxe5 fxe5 30. Qxd5+ Kh8 31. Qf3 Bb7 32. Rdc1 e4 33. Qf4 Qxf4 34.
Bxf4 Bxc6 35. Rxc6 Re7 36. Bg5 Rb7 37. Rc4 Rxb3 38. Rxe4 Ra3 39. Rxh4+ Kg8 40.
Rg4 R3xa4 41. Rg3 Ra1+ 42. Kh2 R8a6 43. f4 Rf1 44. Rf3 Rxf3 45. gxf3 Kf7 46.
Kg3 g6 47. Kg4 Ke6 48. e4 Ra5 49. h4 Rc5 50. h5 gxh5+ 51. Kxh5 Kf7 52. Kg4 Kg6
53. f5+ Kf7 54. Kf4 Rc4 55. Kg4 Rc3 56. f4 Rc6 57. e5 Rc4 58. e6+ Ke8 59. f6
Kf8 60. Kf5 Rc5+ 61. Ke4 Rc6 62. f5 Rc4+ 63. Ke5 Rc5+ 64. Kd6 Rxf5 65. e7+ Ke8
66. Ke6 Rxg5 *
Position (FEN): 4k3/4P3/4KP2/6r1/8/8/8/8 w - - 0 67
White to move.
Themes: Advanced Pawn Endgame, Rook Endgame Mate in 1 
Puzzle rating: 456
Best move: f7#