Chess puzzle (Checkmate)
Moves: 1. d4 e5 2. dxe5 Nc6 3. Nf3 Bc5 4. e4 Qe7 5. Bf4 h6 6. Bd3 g5 7. Bg3 g4 8. Nh4
Nxe5 9. Nf5 Nxd3+ 10. cxd3 Qf6 11. d4 Bb4+ 12. Nc3 Bxc3+ 13. bxc3 d6 14. Ne3 h5
15. Qd2 Ne7 16. e5 Qh6 17. exd6 cxd6 18. Nc4 Nf5 19. O-O Qxd2 20. Nxd2 d5 21.
Be5 Rh6 22. Rab1 Rc6 23. Rb3 b6 24. Re1 Be6 25. Ra3 Rac8 26. Rxa7 Rxc3 27. Nf1
Rc1 28. Rxc1 Rxc1 29. a4 Bd7 30. h3 gxh3 31. gxh3 Nh4 32. Bf6 Bxh3 33. Bxh4
Bxf1 34. Re7+ Kf8 35. Kh2 Kg7 36. Re5 Bc4 37. Rxh5 Ra1 38. Bg3 Rxa4 39. Be5+ f6
40. Bf4 Kg6 41. Rh8 Kf5 42. Be3 b5 43. Kg3 b4 44. Rb8 b3 45. Rb6 Ra1 46. f3 Rh1
47. Bd2 Rh7 48. Bb4 Rg7+ 49. Kf2 b2 50. Bc3 Rh7 51. Rxb2 Kf4 52. Bd2+ Kf5 53.
Rb6 Rh2+ 54. Ke1 Re2+ 55. Kd1 Rf2 56. Ke1 *
Position (FEN): 8/8/1R3p2/3p1k2/2bP4/5P2/3B1r2/4K3 b - - 10 56
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1246
Best move: Rf1#