Chessmaster1000: Well I might be able to some-what help on a couple of those.

first - good question, but I can't answer. The formula that is on the website has to deal with mostly live games and such, so I would agree that a clearly written formula that is used on this site would be nice - I could never get the one that is listed on the website to come out correctly - always off. (Which also when the ratings are rounded to whole numbers also messes up my calculations...)

Second - As a side note, you may not actually win 0 points - you could be winning .2 rating points, which would show as 0 points gained.

Third - 2700 is the limit on this site, and there are a couple of games which a few people have hit the 2700 point. (and can not go any higher)

Forth - I'm glad I'm not the only one who almost always gains and losed 8 rating points in every backgammon game I play. (Except if I lose to an extremly lower ranked player - then I usually lose 16 points.) But I have over 700 backgammon games played, so I would expect it to be a little more consistant like that. But like you, in other games like Hyper Gammon (300+ games played), the ratings are very wild still for me - where after 300, I would expect to start seeing them to at least start settling down a little.

Fifth - Activate pulldown game menu - is that from the Java script settings page? If so, that is when you have your mouse over the top left corner of any page, it will bring down a quick drop-down menu.