Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 c4 8.
Be2 Bf5 9. Nf3 Nd7 10. O-O Ngf6 11. Re1 O-O 12. h3 Ne4 13. Bb2 Qb6 14. Ra2 Qg6
15. Nh4 Qg5 16. Nxf5 Qxf5 17. Bf3 Ndf6 18. Bxe4 Nxe4 19. f3 Ng5 20. Qe2 f6 21.
Bc1 Rae8 22. Qxe8 Rxe8 23. Rxe8+ Kf7 24. Ra8 Nxf3+ 25. gxf3 Qxf3 26. Rb2 Qd1+
27. Kf2 Qxc1 28. Rxb7+ Ke6 29. Raxa7 Qxc2+ 30. Kf1 Qd1+ 31. Kf2 Qd2+ 32. Kf1
Qf4+ 33. Ke2 Qh2+ 34. Kd1 Qg1+ 35. Ke2 Qg2+ 36. Kd1 Qf1+ 37. Kc2 Qd3+ 38. Kb2
Qd2+ 39. Kb1 Qd1+ 40. Kb2 g5 41. Ra6+ Kf5 42. Rbb6 Ke4 43. Rxf6 Qb3+ 44. Ka1
Qxc3+ 45. Ka2 Qxd4 46. Rae6+ Kd3 47. Rf3+ Kd2 48. Ref6 c3 49. Rf2+ Kd3 50.
R6f3+ Kc4 51. Rc2 Qe5 52. a4 d4 53. Kb1 d3 54. Rc1 d2 55. Rcf1 Qe1+ 56. Rxe1
dxe1=Q+ 57. Ka2 Qe2+ 58. Ka3 Qxf3 59. a5 c2+ 60. Kb2 Qb3+ 61. Kc1 Kc3 62. a6 g4
63. hxg4 h5 64. gxh5 Qb6 65. a7 Qd4 66. a8=Q *
Position (FEN): Q7/8/8/7P/3q4/2k5/2p5/2K5 b - - 0 66
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1180
Best move: Qd1#