I just found an ACTUAL problem with the rating system.
This deals with older ratings compared to new ratings. It may have to do with the changes Robin implemented to the ratings system late last year.
Seeing this thread, I realized that my Tron rating was for the Pro and not the LE. Deciding to rectify this I reviewed my previous rating and decided I still felt the same way about it, so I went ahead and rated the LE... The EXACT same way that I had rated it before.
The problem is that if I look at the ratings on my personal list the rating listed under the Pro was logged on 8/8/11 and is 9.223. The rating I submitted just now for the LE (with the exact same settings) comes in at 8.840... You can see them both on my personal top whatever list, although I don't think you'll be able to see the ratings breakdown showing that they are in fact rated identically.
I suspect there is a flaw in the system somewhere related to when the ratings system changes went into effect last year. Any ratings submitted prior to the changes will be artificially higher than those submitted after the changes were implemented. Or the ratings submitted after the changes were put in place are artificially lower. Take your pick.
There could be another cause entirely, but I have limited data to go on at this point. I'm sure Robin will be able to investigate this more deeply and find the root cause.
One other question for Robin... Is there a way to delete ratings? I've only played Tron:LE and never had a chance to play a Pro thus making my Pro rating invalid. Not to make more work for you, but it would be nice if there was a way for me to remove it.