Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 d6 3. g3 Nbd7 4. Bg2 c5 5. O-O cxd4 6. Nxd4 g6 7. c4 Bg7 8.
Nc3 O-O 9. e4 Ne8 10. Be3 Ne5 11. b3 Nc6 12. Nxc6 bxc6 13. Rc1 e6 14. e5 d5 15.
Bc5 Bxe5 16. Bxf8 Kxf8 17. Qe2 Bg7 18. cxd5 cxd5 19. Qb5 Bd7 20. Qc5+ Kg8 21.
Qe3 a6 22. Ne2 Bb5 23. Rfe1 d4 24. Qd2 Rb8 25. Nf4 e5 26. Nd3 f6 27. a4 Bxd3
28. Qxd3 f5 29. Qxa6 d3 30. Red1 e4 31. f4 Nc7 32. Qc4+ Nd5 33. Rxd3 exd3 34.
Bxd5+ Kh8 35. Qxd3 Qb6+ 36. Kg2 Rd8 37. Rd1 Qb4 38. Qc4 Qa3 39. Rc1 h5 40. Rc2
Qe7 41. Bf7 Kh7 42. Bd5 Qd6 43. Bf3 Qf6 44. b4 Rd4 45. Qc6 Rxb4 46. Qxf6 Bxf6
47. Bc6 Bd8 48. Bb5 Ba5 49. Rc6 Kg7 50. Ra6 Bd8 51. Ra7+ Kh6 52. Be8 Bb6 53.
Ra6 Rb2+ 54. Kf3 *
Position (FEN): 4B3/8/Rb4pk/5p1p/P4P2/5KP1/1r5P/8 b - - 15 54
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1252
Best move: Rf2#