Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 e6 3. c3 Nf6 4. Bg5 Be7 5. g3 h6 6. Bxf6 Bxf6 7. Bg2 b6 8. O-O
Bb7 9. a4 Nd7 10. a5 O-O 11. a6 Bc6 12. b4 b5 13. Nbd2 Nb6 14. Ne5 Bxe5 15.
dxe5 Bd7 16. Nf3 c6 17. Nd4 Nc4 18. e3 Nxe5 19. Qc2 Nc4 20. Bf3 Re8 21. Nb3 Nb6
22. Nc5 Bc8 23. Be2 Rb8 24. Bd3 Nd7 25. Bh7+ Kh8 26. Bd3 Nxc5 27. bxc5 Qe7 28.
Be2 Qxc5 29. Bf3 Qe7 30. Rfb1 e5 31. c4 Qf6 32. Bg2 Bf5 33. e4 dxe4 34. Bxe4
Bxe4 35. Qxe4 bxc4 36. Qxc4 Qg6 37. Rb7 Rxb7 38. axb7 Rb8 39. Qb4 Qf6 40. Rxa7
Qd8 41. Qc5 Qc7 42. Ra8 Qxb7 43. Rxb8+ Qxb8 44. Qxc6 Kg8 45. Kg2 f6 46. Qe6+
Kh8 47. h4 Qg8 48. Qc6 Kh7 49. h5 Qf7 50. g4 g6 51. Qe4 Kg7 52. hxg6 Qxg6 53.
Qb7+ Qf7 54. Qe4 Qe6 55. f3 Qa2+ 56. Kg3 Qf7 57. Qf5 Qg6 58. Qd7+ Kh8 59. Qd8+
Kh7 60. Qd7+ Qg7 61. Qf5+ Qg6 62. Qd7+ Kg8 63. Qe6+ Qf7 64. Qc8+ Kg7 65. Kh4
Qe7 66. Qf5 Qa7 67. Qc2 Qe7 68. Kg3 Qd6 69. Qe4 Qb6 70. Qe2 Qg1+ 71. Kh3 Qh1+
72. Kg3 Qb1 73. Qf2 Kg6 74. Kg2 f5 75. gxf5+ Qxf5 76. Qb6+ Kg5 77. Qd8+ Qf6 78.
Qg8+ Kf5 *
Position (FEN): 6Q1/8/5q1p/4pk2/8/5P2/6K1/8 w - - 6 79
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 943
Best move: Qg4#