Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Bb5 a6 6. e5 axb5 7. exf6 exf6 8.
Nc3 Nc6 9. Qh4 b4 10. Nd5 Bg7 11. Bh6 O-O 12. O-O d6 13. Rfe1 Be6 14. Bxg7 Kxg7
15. Rad1 Ne5 16. Nxe5 fxe5 17. Qxb4 Rxa2 18. c4 Qg5 19. Qxd6 Rxb2 20. Qxe5+
Qxe5 21. Rxe5 Bxd5 22. cxd5 Rd8 23. d6 Rxd6 24. Rde1 Rdd2 25. Rf1 Kf6 26. Re3
h5 27. h3 b5 28. Rf3+ Kg7 29. Rc1 Rd6 30. Rc7 Rf6 31. Rcc3 b4 32. Rcd3 Rb1+ 33.
Kh2 Rxf3 34. Rxf3 b3 35. h4 f5 36. Rf4 Rf1 37. Rb4 Rxf2 38. Rxb3 Kh6 39. Rb7
Rf4 40. Kh3 Ra4 41. Rc7 Ra3+ 42. Kh2 Ra6 43. Rb7 g5 44. hxg5+ Kxg5 45. Rb8 f4
46. Rg8+ Kh4 47. Rg7 Ra5 48. Rg8 Rg5 49. Rf8 Kg4 50. Ra8 Rf5 51. Rg8+ Kh4 52.
Rg7 f3 *
Position (FEN): 8/6R1/8/5r1p/7k/5p2/6PK/8 w - - 0 53
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1112
Best move: g3#