Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 d5 3. Nf3 Bf5 4. e3 e6 5. Bd3 Bxd3 6. Qxd3 c5 7. Qb5+ Qd7 8.
Qxd7+ Nbxd7 9. c3 cxd4 10. exd4 Be7 11. Nbd2 Nh5 12. Bg3 Nxg3 13. hxg3 h6 14.
Ke2 O-O-O 15. Kd3 Nf6 16. Ne5 Rhf8 17. c4 Bd6 18. cxd5 Nxd5 19. Rac1+ Kb8 20.
Rc4 Bxe5 21. dxe5 Nb4+ 22. Ke3 Rd3+ 23. Ke2 Rfd8 24. Rxb4 Rxd2+ 25. Kf3 R8d5
26. Re1 Rc5 27. Ree4 Rdd5 28. Kf4 g5+ 29. Kg4 Rxe5 30. Rxe5 Rxe5 31. Kh5 Rf5
32. Kxh6 Rxf2 33. Kxg5 Rxg2 34. g4 Rf2 35. a3 Kc7 36. Rc4+ Kd6 37. b4 Ra2 38.
Rd4+ Ke5 39. Rd7 Rxa3 40. Rxf7 b5 41. Rb7 Ra4 42. Kg6 Rxb4 43. g5 a5 44. Kg7
Kd6 45. Kf7 Kc6 46. Re7 Re4 47. g6 Kc5 48. Rxe6 Rg4 49. g7 Rxg7+ 50. Kxg7 b4
51. Re5+ Kb6 52. Kf6 a4 53. Re6+ Kb5 54. Re5+ Kc4 55. Re4+ Kb3 56. Ke5 a3 57.
Kd4 Ka2 58. Re2+ Kb3 59. Re3+ Kc2 60. Kc4 a2 61. Re2+ Kb1 62. Kb3 a1=Q *
Position (FEN): 8/8/8/8/1p6/1K6/4R3/qk6 w - - 0 63
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1166
Best move: Re1#