Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nd2 a6 7. Bd3 g6 8. N2f3
Bg7 9. Nxc6 bxc6 10. O-O Rb8 11. Re1 O-O 12. Qc2 Qc7 13. Bf4 h6 14. Nd2 e5 15.
Bg3 Nh5 16. Re3 Nxg3 17. Rxg3 d5 18. Nf3 f5 19. Nh4 g5 20. Ng6 Rf6 21. exf5 e4
22. Bxe4 dxe4 23. Qxe4 Bb7 24. Ne7+ Kh8 25. Ng6+ Kg8 26. Ne7+ Kh7 27. Ng6 c5
28. Qe7 Qxe7 29. Nxe7 Re8 30. Re3 Rf7 31. Rae1 Bf8 32. Ng6 Rxe3 33. Nxf8+ Rxf8
34. Rxe3 Bc6 35. g4 Re8 36. Rxe8 Bxe8 37. Kf1 Bb5+ 38. Ke1 Kg7 39. Kd2 Kf6 40.
Ke3 Ke5 41. f3 Bc4 42. b3 Bf7 43. Kd3 h5 44. Ke3 hxg4 45. fxg4 a5 46. Kf3 Bd5+
47. Kg3 Ke4 48. h4 gxh4+ 49. Kxh4 c4 50. bxc4 Bxc4 51. Kg5 Bxa2 52. f6 a4 53.
Kg6 a3 54. f7 Bxf7+ 55. Kxf7 a2 56. g5 a1=Q 57. g6 Qxc3 58. g7 Qc7+ 59. Kg8 Kf5
60. Kh7 Kg5 61. Kh8 Kh6 62. g8=Q Qe5+ 63. Qg7+ *
Position (FEN): 7K/6Q1/7k/4q3/8/8/8/8 b - - 2 63
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 896
Best move: Qxg7#