Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. a4
b4 9. d3 d5 10. exd5 Nxd5 11. a5 Bg4 12. Nbd2 Nf4 13. h3 Bh5 14. Ne4 Nd4 15.
Bxf4 Nxf3+ 16. gxf3 exf4 17. Kh2 Kh8 18. Rg1 f5 19. Nd2 Bc5 20. Rg2 Qh4 21. Qg1
Qf6 22. Rg5 g6 23. Rg2 Rfe8 24. Qd1 Re7 25. Bc4 Rae8 26. Nb3 Ba7 27. d4 Rd8 28.
c3 bxc3 29. bxc3 c5 30. d5 Qxc3 31. Rc1 Qf6 32. Rg1 Red7 33. Re1 Re7 34. Qd3 g5
35. Rxe7 Qxe7 36. Bxa6 Bxf3 37. Bc4 Be4 38. Qc3+ Qg7 39. f3 Qxc3 40. Rxc3 Bxd5
41. Nd2 Bxc4 42. Nxc4 Rd4 43. Kg2 Kg7 44. Kf2 Kf6 45. a6 Ke6 46. Ke2 Kd5 47.
Na3 Kc6 48. Rb3 Rb4 49. Rd3 Ra4 50. Nc2 Kb5 51. Rd7 Kxa6 52. Rxh7 Ra2 53. Kd1
Bb6 54. Rg7 Kb5 55. Rxg5 Kc4 56. Rxf5 Kd3 57. Ne1+ Ke3 58. Re5+ Kf2 59. Re4 Ba5
60. Nc2 Rb2 61. Rxf4 *
Position (FEN): 8/8/8/b1p5/5R2/5P1P/1rN2k2/3K4 b - - 0 61
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 922
Best move: Rb1#