Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. f4 h6 8. Bh4
Be7 9. Nb3 Nxe4 10. Nxe4 Bxh4+ 11. g3 Be7 12. Qd2 d5 13. Nf2 O-O 14. O-O-O a5
15. Kb1 a4 16. Nc1 Qb6 17. Ka1 Bf6 18. c3 a3 19. b3 Bxc3+ 20. Qxc3 Qxf2 21. Bd3
Bd7 22. Rhf1 Qb6 23. f5 Rac8 24. Qd2 Qd4+ 25. Kb1 e5 26. f6 Qb2+ 27. Qxb2 axb2
28. Kxb2 Nb4 29. fxg7 Kxg7 30. a3 Nxd3+ 31. Nxd3 Bb5 32. Rf5 f6 33. Nb4 d4 34.
Nd5 Rcd8 35. Nc7 Bd7 36. Rf2 Rc8 37. Nd5 Be6 38. Ne7 Rc3 39. Rdf1 Rxb3+ 40. Kc2
Re8 41. Nf5+ Bxf5+ 42. Kxb3 Be6+ 43. Kb4 Rf8 44. Rc2 Bd5 45. Rc7+ Kg6 46. h4 h5
47. a4 e4 48. a5 d3 49. Kc3 Bc6 50. Kd4 Ra8 51. Ra1 Ra6 52. Ke3 Kf5 53. Rf1+
Ke5 54. Rf7 Rxa5 55. R7xf6 Ra2 *
Position (FEN): 8/1p6/2b2R2/4k2p/4p2P/3pK1P1/r7/5R2 w - - 1 56
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1181
Best move: R1f5#