No more examples of a win against a much better rated player? Here is another one from Blitz. I played whites:
[Event "RHP Blitz rated"] [Site "www.redhotpawn.com"] [Date "2009.3.20"] [Round "?"] [White "Pawn Rebellion"] [Black "bdog2222"] [Result "1-0"] 1. e2-e4 c7-c5 2. Ng1-f3 Nb8-c6 3. Bf1-c4 e7-e6 4. c2-c3 Ng8-f6 5. d2-d3 d7-d5 6. e4xd5 e6xd5 7. Bc4-b5 Bf8-e7 8. h2-h3 O-O 9. O-O Qd8-c7 10. Bc1-e3 a7-a6 11. Bb5xc6 Qc7xc6 12. d3-d4 c5-c4 13. Nf3-e5 Qc6-c7 14. b2-b3 b7-b5 15. b3xc4 b5xc4 16. Nb1-d2 Bc8-f5 17. Nd2-f3 Nf6-d7 18. Qd1-d2 Be7-d6 19. Ne5xd7 Qc7xd7 20. Nf3-h4 Bf5-d3 21. Rf1-e1 f7-f5 22. Be3-f4 Rf8-f6 23. Bf4xd6 Qd7xd6 24. Re1-e5 f5-f4 25. Ra1-e1 Ra8-f8 26. Nh4-f3 Bd3-e4 27. Nf3-h2 Rf6-g6 28. Nh2-g4 f4-f3 29. g2-g3 Be4-f5 30. Re5-e8 Bf5xg4 31. Re8xf8 Kg8xf8 32. h3xg4 Rg6xg4 33. Qd2-e3 Rg4-e4 34. Qe3xf3 Qd6-f6 35. Qf3xf6 g7xf6 36. Re1xe4 d5xe4 37. Kg1-f1 Kf8-e7 38. g3-g4 f6-f5 39. g4xf5 Ke7-f6 40. Kf1-e2 Kf6xf5 41. Ke2-e3 h7-h5 42. f2-f3 e4xf3 43. Ke3xf3 h5-h4 44. Kf3-g2 a6-a5 45. Kg2-h3 Kf5-e4 46. Kh3xh4 a5-a4 47. Kh4-g5 a4-a3 48. Kg5-f6 Ke4-d5 49. Kf6-f5 Kd5-d6 50. Kf5-e4 Kd6-e6 51. d4-d5 Ke6-d6 52. Ke4-d4 1-0
The difference in ratings: 502 points! More examples?