Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 b6 3. Bg5 Bb7 4. Bxf6 gxf6 5. Nbd2 Bg7 6. e4 e6 7. Bd3 d5 8.
c3 dxe4 9. Bxe4 Qc8 10. Qe2 Nd7 11. O-O O-O 12. Rfe1 f5 13. Bxb7 Qxb7 14. Ne5
Nxe5 15. dxe5 Rfd8 16. Nf3 Rd7 17. Rad1 Rad8 18. Rxd7 Rxd7 19. Rd1 Qe4 20. Qf1
Rxd1 21. Qxd1 h6 22. h3 Bxe5 23. Nxe5 Qxe5 24. Qd8+ Kg7 25. Qd2 a5 26. g3 Qe4
27. a3 c6 28. h4 b5 29. Qd8 Qe1+ 30. Kg2 Qe4+ 31. Kh2 a4 32. Qd2 Qd5 33. Qe2
Qe4 34. Qd2 Qe5 35. Kg1 c5 36. Kf1 Qe4 37. Kg1 e5 38. Kh2 f4 39. Qd1 fxg3+ 40.
fxg3 b4 41. cxb4 cxb4 42. axb4 Qxb4 43. Qc2 Qb3 44. Qe2 Qe6 45. Qd2 e4 46. Kg2
Qc4 47. Kf2 Kg6 48. Qe3 f5 49. Qb6+ Kh5 50. Qf6 Qc2+ 51. Kg1 Qd1+ 52. Kh2 Qe2+
53. Kh3 Qg4+ 54. Kh2 Qg6 55. Qe5 Qf7 56. Kh3 Kg6 57. h5+ Kxh5 58. g4+ Kg6 59.
Kg3 f4+ 60. Qxf4 e3 61. Qe4+ Kg7 62. Qxe3 Qf6 63. Qa7+ Kg6 64. Qxa4 Qe5+ 65.
Qf4 Qxb2 66. Qf5+ Kg7 67. Kh4 *
Position (FEN): 8/6k1/7p/5Q2/6PK/8/1q6/8 b - - 3 67
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 612
Best move: Qh2#