Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nf3 d5 3. e5 Bf5 4. d4 e6 5. Bd3 Bxd3 6. Qxd3 Qa5+ 7. Bd2 Qa6 8.
Qxa6 Nxa6 9. O-O Nb4 10. Bxb4 Bxb4 11. c3 Be7 12. Nbd2 h5 13. h3 Nh6 14. b3 Nf5
15. Rfd1 Kd7 16. Nf1 h4 17. Re1 Rag8 18. Ne3 g5 19. Ng4 Rg6 20. b4 Nh6 21. Nfh2
Nxg4 22. Nxg4 Rf8 23. a4 f5 24. exf6 Bxf6 25. Rac1 Bg7 26. b5 Rf4 27. f3 Bh8
28. bxc6+ Kxc6 29. Ne5+ Bxe5 30. Rxe5 Rf5 31. Re3 Kd6 32. a5 Rf7 33. c4 Rc7 34.
c5+ Kd7 35. Rb3 Rf6 36. Rcb1 Kc6 37. Re1 Re7 38. Kf2 Rf4 39. Rb4 e5 40. g3
hxg3+ 41. Kxg3 e4 42. fxe4 Rfxe4 43. Rxe4 dxe4 44. Kg4 e3 45. Rb1 Kd5 46. Kf3
e2 47. Re1 Kxd4 48. Rxe2 Rxe2 49. Kxe2 Kxc5 50. Kf3 Kd5 51. Kg4 Ke6 52. Kxg5
Kf7 53. Kf4 b5 54. Ke4 a6 55. Kd4 Kg6 56. Kc5 Kh5 57. Kb6 b4 58. Kxa6 b3 59.
Kb7 b2 60. a6 b1=Q+ 61. Ka8 Qe4+ 62. Kb8 Qe8+ 63. Kb7 Qd7+ 64. Kb8 Qd6+ 65. Kb7
Qb4+ 66. Ka8 Qb6 67. a7 Kg6 68. h4 Kf6 69. h5 Ke6 70. h6 Kd6 71. h7 Kc7 72.
h8=Q *
Position (FEN): K6Q/P1k5/1q6/8/8/8/8/8 b - - 0 72
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1023
Best move: Qb7#