Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. d3 Bc5 5. Nc3 d6 6. Bg5 h6 7. Be3 O-O 8. Qd2
Be6 9. Nd5 Ng4 10. Bxc5 dxc5 11. O-O-O Ne7 12. h3 Nf6 13. Nxf6+ gxf6 14. g4 Kg7
15. Nh4 Ng6 16. Bxe6 fxe6 17. Nxg6 Kxg6 18. f4 exf4 19. Qxf4 Qd6 20. Qf2 a5 21.
h4 a4 22. a3 b5 23. c3 Rf7 24. h5+ Kg5 25. Qe3+ Qf4 26. Qxf4+ Kxf4 27. Rhg1 Kg5
28. Kc2 Rd8 29. Rde1 Rfd7 30. Re3 Kf4 31. Rgg3 c4 32. Ref3+ Kg5 33. d4 c5 34.
d5 exd5 35. Rf5+ Kh4 36. Rg1 Rd6 37. exd5 Rxd5 38. Rxf6 Rd2+ 39. Kc1 Kg5 40.
Rc6 R8d5 41. Rg6+ Kf4 42. Rxh6 Rh2 43. Rb6 Rdd2 44. Rf6+ Kg5 45. Rf5+ Kh6 46.
g5+ Kxh5 47. g6+ Kh4 48. g7 Rc2+ 49. Kb1 Rxb2+ 50. Kc1 Rbc2+ 51. Kb1 Rb2+ 52.
Kc1 Rbc2+ 53. Kd1 Rcd2+ 54. Ke1 Ra2 55. Rd5 Rhe2+ 56. Kd1 Rh2 57. g8=Q *
Position (FEN): 6Q1/8/8/1ppR4/p1p4k/P1P5/r6r/3K2R1 b - - 0 57
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1140
Best move: Ra1#