Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. a4 Nf6 5. Nc3 g6 6. e5 dxe5 7. Nxe5 Bd7 8.
Nxc6 bxc6 9. Bc4 Bg7 10. O-O O-O 11. d3 Bf5 12. Be3 Nd5 13. Bxc5 Nxc3 14. bxc3
Bxc3 15. Rb1 Bd4 16. Bxd4 Qxd4 17. Qf3 Qc5 18. Rb7 Rab8 19. Rfb1 Rxb7 20. Rxb7
h5 21. h3 a5 22. Qf4 Qd6 23. Qg5 Be6 24. Bxe6 Qxe6 25. Qxe7 Qa2 26. Qc5 Qxa4
27. Ra7 Qa1+ 28. Kh2 a4 29. Qxc6 Qe5+ 30. g3 Qd4 31. Rxa4 Qxf2+ 32. Kh1 Qxg3
33. Qg2 Qe1+ 34. Qg1 Qe6 35. h4 Re8 36. Re4 Qc6 37. Qg2 Rxe4 38. dxe4 Qc3 39.
Kh2 Qe1 40. Kh3 Kg7 41. Qf3 f6 42. c3 Kf7 43. Qd3 Qh1+ 44. Kg3 Qg1+ 45. Kf3
Qg4+ 46. Ke3 Qxh4 47. Qd7+ Kg8 48. Qe8+ Kg7 49. Qe7+ Kh6 50. c4 Qg3+ 51. Kd4
Qf2+ 52. Kd5 h4 53. c5 h3 54. c6 h2 55. Qf8+ Kg5 56. c7 h1=Q 57. c8=Q Qd2+ 58.
Ke6 Qxe4+ 59. Kf7 Qa2+ 60. Kg7 Qa7+ 61. Qf7 Qxf7+ 62. Kxf7 Qe5 63. Qh3 Qf4 64.
Qh7 Qg4 65. Kg7 Kf5 66. Qh6 Qg5 67. Qh8 Qh5 68. Qc8+ Kg5 69. Qc2 Kg4 70. Qc1
Kh4 71. Qg1 Qg4 72. Qf2+ Kg5 73. Qh2 f5 *
Position (FEN): 8/6K1/6p1/5pk1/6q1/8/7Q/8 w - - 0 74
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 848
Best move: Qh6#