Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 Nf6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 O-O 6. Nf3 c5 7. a3 Bxd2+ 8.
Bxd2 cxd4 9. Nxd4 Nc6 10. Nxc6 bxc6 11. O-O Ba6 12. cxd5 cxd5 13. Re1 Rb8 14.
Bc3 Ne4 15. Bd4 Qd7 16. Bxg7 Kxg7 17. Bxe4 Qe7 18. Bd3 Bxd3 19. Qxd3 Rxb2 20.
Rab1 Rfb8 21. Rxb2 Rxb2 22. e4 Qf6 23. Rf1 dxe4 24. Qxe4 Ra2 25. Qe3 h6 26. Rc1
Ra1 27. Rxa1 Qxa1+ 28. Kg2 a6 29. g4 Qb2 30. h4 Qb7+ 31. Kg3 Qc7+ 32. Kh3 Qc6
33. f3 Qd5 34. Qc3+ Kh7 35. Kg3 Qd6+ 36. Kg2 Qd5 37. Qc2+ Kg7 38. Qe2 a5 39.
Qb2+ Kh7 40. Kg3 Qd6+ 41. Kg2 Qd5 42. h5 Kg8 43. Qb8+ Kh7 44. Qb2 Kg8 45. Qc1
Kh7 46. Qf4 Kg7 47. Kg3 Qc5 48. Qa4 Qg1+ 49. Kf4 Qc1+ 50. Ke4 Qc5 51. Qb3 Qc6+
52. Ke3 Qc5+ 53. Ke2 Kh7 54. f4 Kg7 55. Qb2+ Kh7 56. Qb7 Kg7 57. Qb2+ Kh7 58.
Kf3 Qd5+ 59. Ke3 Qc5+ 60. Kd3 Qd5+ 61. Qd4 Qb3+ 62. Ke4 Qxa3 63. Ke5 Qe7 64.
Qd3+ Kg7 65. f5 f6+ 66. Kf4 Qb7 67. fxe6 Qc7+ 68. Kf5 *
Position (FEN): 8/2q3k1/4Pp1p/p4K1P/6P1/3Q4/8/8 b - - 2 68
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 851
Best move: Qe5#