Chess puzzle (Checkmate)
Moves: 1. Nf3 Nc6 2. d4 d5 3. Bf4 Bf5 4. e3 e6 5. a3 a6 6. c4 Nf6 7. Nc3 Be7 8. Be2
O-O 9. Ne5 Nxe5 10. Bxe5 dxc4 11. Bxc4 b5 12. Be2 c5 13. O-O Nd7 14. Bg3 cxd4
15. exd4 Nb6 16. Bf3 Ra7 17. Be5 Bf6 18. Re1 Nd7 19. b4 Nxe5 20. dxe5 Qxd1 21.
Raxd1 Be7 22. Be4 Bg4 23. f3 Bh5 24. g4 Bg6 25. Bxg6 hxg6 26. Ne4 a5 27. Nd6
axb4 28. axb4 Ra4 29. Re4 Rb8 30. Kg2 Ra2+ 31. Kg3 Kf8 32. h4 Rd8 33. Red4 Rb8
34. g5 Bd8 35. Ne4 Bc7 36. f4 Ra3+ 37. Kg4 f5+ 38. gxf6 gxf6 39. Nxf6 Rb7 40.
Nd7+ Kg7 41. Nc5 Rba7 42. Nxe6+ Kh6 43. Rd7 Rc3 44. Nc5 Raa3 45. Rg1 Bb6 46. e6
Bxc5 47. bxc5 Rxc5 48. e7 Re3 49. Rb7 Rc4 50. Rb1 Rcc3 51. Rg1 b4 52. h5 gxh5+
53. Kf5 b3 54. Kf6 Rc4 55. Rb8 *
Position (FEN): 1R6/4P3/5K1k/7p/2r2P2/1p2r3/8/6R1 b - - 3 55
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1692
Best move: Rxf4#