Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. d4 Bg7 3. c3 d6 4. Bd3 Nd7 5. Ne2 e5 6. O-O Ngf6 7. f4 O-O 8. f5
exd4 9. cxd4 Re8 10. Bg5 c5 11. fxg6 hxg6 12. d5 Qb6 13. Kh1 Nxe4 14. Bxe4 Rxe4
15. Nbc3 Re5 16. Bf4 Re8 17. Ng3 Ne5 18. Bxe5 Bxe5 19. Nge4 Qd8 20. Qf3 Bf5 21.
g4 Qh4 22. Rf2 Qxg4 23. Qxg4 Bxg4 24. Raf1 Bf5 25. Rxf5 gxf5 26. Rxf5 Kf8 27.
Kg2 Ke7 28. h4 Rg8+ 29. Kf3 a6 30. Ng5 Raf8 31. Nce4 b5 32. b3 c4 33. bxc4 bxc4
34. h5 c3 35. Ke2 c2 36. Rf1 f5 37. Ne6 fxe4 38. Nxf8 Rxf8 39. Rc1 Rc8 40. Ke3
Bb2 41. Rxc2 Rxc2 42. Kxe4 Rf2 43. h6 Bh8 44. h7 a5 45. a4 Kf6 46. Kd4 Rf4+ 47.
Kc3 Ke5 48. Kb3 Kxd5 49. Ka3 Rb4 50. Ka2 Kc4 51. Ka3 Kc3 52. Ka2 Rb2+ 53. Ka3
Rb3+ 54. Ka2 d5 55. Ka1 Kc2+ 56. Ka2 Bb2 57. h8=Q *
Position (FEN): 7Q/8/8/p2p4/P7/1r6/Kbk5/8 b - - 0 57
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1044
Best move: Ra3#