Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. g3 a6 4. Bg2 e5 5. c3 b5 6. d3 Nf6 7. Bg5 Be7 8. Nbd2 h6
9. Be3 O-O 10. Qc2 Bb7 11. O-O Ng4 12. Rad1 Nxe3 13. fxe3 Bg5 14. Nxg5 Qxg5 15.
Nf3 Qxe3+ 16. Kh1 c4 17. d4 exd4 18. cxd4 Nb4 19. Qd2 Qxd2 20. Rxd2 Bxe4 21. a3
Nd3 22. Ne5 Bxg2+ 23. Kxg2 Nxe5 24. dxe5 Rad8 25. Rd6 a5 26. Rd5 b4 27. Rxa5 c3
28. axb4 c2 29. Rc1 Rc8 30. Rd5 Rfe8 31. b5 Re6 32. b4 d6 33. Rxd6 Rxe5 34. Rc6
Rb8 35. b6 Rb5 36. R1xc2 R8xb6 37. Rxb6 Rxb6 38. Rb2 Kf8 39. b5 Ke7 40. Kf3 Kd6
41. Ke4 g6 42. Rf2 f5+ 43. Kd4 Rxb5 44. Ra2 Rb4+ 45. Kc3 Rb6 46. Ra4 Ke6 47.
Kd3 Kf6 48. Ke3 Kg5 49. h4+ Kh5 50. Kf2 g5 51. Kg2 Rb2+ 52. Kh3 g4+ 53. Rxg4 *
Position (FEN): 8/8/7p/5p1k/6RP/6PK/1r6/8 b - - 0 53
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 762
Best move: fxg4#