Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 Nbd7 7. O-O O-O 8.
Qc2 c6 9. Rd1 a5 10. Bg5 h6 11. Bc1 b5 12. b3 bxc4 13. bxc4 Ba6 14. Nbd2 c5 15.
Bb2 cxd4 16. Nxd4 Rc8 17. Qa4 Bxc4 18. Nc6 Qe8 19. Nxc4 dxc4 20. Qxc4 Nb6 21.
Qb5 Nbd5 22. Rac1 Bb4 23. a3 Be7 24. e4 Nc7 25. Qxa5 Na8 26. Nxe7+ Qxe7 27.
Rxc8 Rxc8 28. e5 Nd5 29. Bxd5 exd5 30. Qxd5 Nb6 31. Qd4 Nc4 32. Rc1 Qe6 33. a4
Nxb2 34. Rxc8+ Qxc8 35. Qxb2 Qc4 36. Qa1 Qa6 37. Qd4 g6 38. h4 Kh7 39. Kg2 Qc6+
40. Kg1 Qa6 41. h5 gxh5 42. Qe4+ Kg7 43. Kg2 Qa5 44. Kh3 Qa6 45. Kg2 Qa5 46.
Qf4 Kg8 47. Qxh6 Qxe5 48. Qe3 Qd5+ 49. Qf3 Qa5 50. Qe4 Kg7 51. Kh3 Qg5 52. Qf4
Qa5 53. Kh4 Kg6 54. Qe4+ Kg7 55. Qd4+ Kg6 56. f4 Qf5 57. Qd6+ Kh7 58. Qd1 Kg6
59. g4 Qxf4 60. Qd3+ Kg7 61. Qg3 Qxa4 62. Kxh5 Qa5+ 63. g5 Qf5 64. Qg4 *
Position (FEN): 8/5pk1/8/5qPK/6Q1/8/8/8 b - - 2 64
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1509
Best move: Qh7#