Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Nf6 3. Qf3 Bc5 4. h3 Nc6 5. c3 Na5 6. Bb5 c6 7. Ba4 Nc4 8. Bc2
Nd6 9. d3 a5 10. Ne2 O-O 11. Ng3 b5 12. O-O Nde8 13. Nf5 d6 14. Bg5 Be6 15. Nd2
Qd7 16. a4 Bxf5 17. exf5 d5 18. Rad1 h6 19. Bxf6 Nxf6 20. Rc1 Bb6 21. d4 e4 22.
Qf4 Bc7 23. Qe3 Qd6 24. f4 exf3 25. Nxf3 Rae8 26. Qd3 g5 27. fxg6 Ne4 28. Ne5
Rxe5 29. dxe5 Qxe5 30. g3 f5 31. Rf4 Qf6 32. Rcf1 Qxg6 33. Kh2 Bxf4 34. Rxf4 h5
35. h4 Kh7 36. axb5 Rg8 37. Rf3 Qd6 38. Kh3 cxb5 39. Qxb5 Rxg3+ 40. Rxg3 *
Position (FEN): 8/7k/3q4/pQ1p1p1p/4n2P/2P3RK/1PB5/8 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 775
Best move: Qxg3#