Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Be2 O-O 8. O-O
Nc6 9. Bg5 Be7 10. c5 Bd7 11. Bb5 Ne4 12. Bxe7 Qxe7 13. Bxc6 Bxc6 14. Ne5 Nxc3
15. Nxc6 bxc6 16. bxc3 e5 17. Qa4 Rac8 18. Rfe1 e4 19. c4 dxc4 20. f3 e3 21.
Qxc4 Rfe8 22. Re2 Qg5 23. Rae1 Re6 24. Qd3 Rce8 25. g3 h5 26. f4 Qd5 27. Rxe3
Qxa2 28. Re5 a5 29. f5 Rxe5 30. dxe5 a4 31. Qd7 Rxe5 32. Rxe5 Qa1+ 33. Kg2 Qxe5
34. Qxc6 Qxf5 35. Qa8+ Kh7 36. c6 Qd5+ 37. Kg1 Qd1+ 38. Kg2 Qc2+ 39. Kf3 Qc3+
40. Kf2 a3 41. c7 Qb2+ 42. Kf3 Qc3+ 43. Kf2 Qxc7 44. Qxa3 Qc2+ 45. Kg1 Kg6 46.
Qd6+ f6 47. Qf4 Qf5 48. Qd4 Qe5 49. Qb6 Qe1+ 50. Kg2 Qe4+ 51. Kg1 Kg5 52. Qc5+
f5 53. Kf2 h4 54. Qc3 g6 55. gxh4+ Qxh4+ 56. Kg2 Qe4+ 57. Kf2 Kf4 *
Position (FEN): 8/8/6p1/5p2/4qk2/2Q5/5K1P/8 w - - 4 58
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 842
Best move: Qg3#