Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nc6 3. c3 e6 4. Qc2 Bd6 5. e3 e5 6. dxe5 Nxe5 7. Be2 Nxf3+ 8.
Bxf3 c6 9. O-O Ne7 10. Nd2 Bf5 11. Qd1 O-O 12. e4 dxe4 13. Bxe4 Qc7 14. Bxf5
Nxf5 15. g3 Rfe8 16. Qf3 Ne7 17. Ne4 Ng6 18. Be3 Be7 19. Rad1 Rad8 20. Bg5 Bxg5
21. Nxg5 h6 22. Rxd8 Rxd8 23. Ne4 Qb6 24. h4 Qxb2 25. h5 Nf8 26. a4 Qc2 27. g4
Ne6 28. Qf5 Qxa4 29. g5 Nxg5 30. Nxg5 hxg5 31. Qxg5 Rd6 32. Qg3 Rh6 33. Re1 c5
34. Qg5 Qc6 35. Kf1 a5 36. Qd8+ Kh7 37. Re8 Qh1+ 38. Ke2 Re6+ 39. Rxe6 fxe6 40.
Qg5 Qe4+ 41. Kf1 a4 42. Qxc5 b6 43. Qxb6 a3 44. Qb3 Qd3+ 45. Kg2 Qa6 46. Qb1+
Kh6 *
Position (FEN): 8/6p1/q3p2k/7P/8/p1P5/5PK1/1Q6 w - - 6 47
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 778
Best move: Qg6#