Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. g3 d5 3. Bg2 Bf5 4. Nf3 c6 5. c4 e6 6. Nc3 Bb4 7. Qb3 a5 8. a3
Bxc3+ 9. bxc3 Qc7 10. Bf4 Qd7 11. Ne5 Qe7 12. O-O O-O 13. c5 Nh5 14. Be3 Bg6
15. Qb6 Ra6 16. Qb2 Nf6 17. Nxg6 fxg6 18. Rab1 Rf7 19. Bh3 h6 20. Bf4 Ra8 21.
Bd6 Qd7 22. Qb6 Ne4 23. Bxb8 Rxb8 24. Qb2 a4 25. f3 Ng5 26. Bg2 h5 27. h4 Nh7
28. Qc2 g5 29. hxg5 Nxg5 30. Qg6 Rf5 31. e4 dxe4 32. fxe4 Rxf1+ 33. Rxf1 Nf7
34. Qxh5 b5 35. Bh3 Qe7 36. Qg6 Rf8 37. Bxe6 Kh8 38. Kg2 Nh6 39. Rh1 Rf6 40.
Rxh6+ gxh6 *
Position (FEN): 7k/4q3/2p1BrQp/1pP5/p2PP3/P1P3P1/6K1/8 w - - 0 41
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 853
Best move: Qg8#