Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 e6 3. d3 Nc6 4. Nf3 a6 5. Be2 b5 6. a3 Nf6 7. O-O d5 8. exd5
Nxd5 9. Nxd5 exd5 10. Re1 Be7 11. c3 O-O 12. d4 c4 13. Bf4 Bd6 14. Qd2 Bxf4 15.
Qxf4 Ne7 16. Ne5 Ng6 17. Qg3 Nxe5 18. Qxe5 Re8 19. Qh5 Ra7 20. Bf3 Be6 21. Re5
Rae7 22. Rae1 Qd7 23. Kf1 Qd8 24. Bxd5 Bxd5 25. Rxe7 Rxe7 26. Rxe7 Qxe7 27.
Qxd5 h6 28. Qa8+ Kh7 29. Qxa6 Qd7 30. Qb6 g6 31. Qc5 h5 32. f3 Kg7 33. Qe5+ Kg8
34. Kf2 Kf8 35. h4 Kg8 36. g3 Kf8 37. Ke3 Kg8 38. Ke4 Kf8 39. d5 Qb7 40. Qf6
Kg8 41. f4 Qd7 42. f5 gxf5+ 43. Qxf5 Qe7+ 44. Qe5 Qd7 45. Qxh5 Qe7+ 46. Qe5 Qd7
47. Qg5+ Kf8 48. Kd4 Qa7+ 49. Ke4 Qf2 50. Qe5 Qe2+ 51. Kf5 Qf2+ 52. Kg5 Qd2+
53. Kh5 Qd3 54. d6 *
Position (FEN): 5k2/5p2/3P4/1p2Q2K/2p4P/P1Pq2P1/1P6/8 b - - 0 54
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1069
Best move: Qg6#