Chess puzzle (Checkmate)
Moves: 1. Nc3 c5 2. e4 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. f3 O-O 8.
Qd2 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. c4 Qe5 12. O-O-O Nxd4 13. Bxd4 Qxd4 14.
Qxd4 Bxd4 15. Rxd4 Be6 16. Be2 Rac8 17. b3 Rc7 18. Kb2 Kg7 19. Rhd1 Kf6 20. g4
g5 21. h4 h6 22. hxg5+ hxg5 23. Rh1 Kg7 24. Kc3 f6 25. Bd3 Rh8 26. Re1 Bf7 27.
b4 e5 28. Rd6 Rhc8 29. c5 b6 30. Rh1 bxc5 31. Rh7+ Kg8 32. Rxf6 cxb4+ 33. Kd2
Bxa2 34. Rh5 Rg7 35. Rf5 Rd8 36. Ke3 Be6 37. Rxe5 Bf7 38. Rhxg5 b3 39. Rxg7+
Kxg7 40. Rb5 a6 41. Rb7 a5 42. g5 a4 43. g6 Re8+ 44. Kf4 Rd8 45. Rxf7+ Kg8 46.
Bc4 Rd4+ 47. Kg5 Rxc4 48. f4 b2 49. Rb7 a3 50. f5 a2 51. Rb8+ Kg7 *
Position (FEN): 1R6/6k1/6P1/5PK1/2r5/8/pp6/8 w - - 2 52
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1194
Best move: f6#