
Back to forum Thibault de Vassal (20110202) Update for BigChess & Poker rating rules Hi all, it was a long time there wasn't any update in rating rules. First of all, as the number of results at Poker Holdem is quite high, I feel that a change should be tried so that ratings move less fast. Case of a win (rating > 1999) : New Rating = ((39 x Current Rating) + (1 x Performance)) / 40 Case of a win (rating < 2000) : New Rating = ((38 x Current Rating) + (2 x Performance)) / 40 Case of a loss : New Rating = ((39 x Current Rating) + (1 x Performance)) / 40 As for Big Chess, the ratings deflate because there isn't the same rule than in Poker or Advanced Chess, this is now fixed : If there's a winner and if his rating is below 2000, his new rating his : New Rating = ((18 x Current Rating) + (2 x Performance)) / 20 Otherwise : New Rating = ((19 x Current Rating) + (1 x Performance)) / 20 This rule may look strange from a mathematical point of view, but combined to the other rules that provoke deflation, it gives really good results IMHO. Let's see how it works here. HeinzGeorg Lehnhoff (20110206 14:06:40) Update for BigChess & Poker rating rules Hello Thibault, the previous poker rating rules I like better  although I currently much benefit from the new ones :) Thibault de Vassal (20110206 14:30:22) Update for BigChess & Poker rating rules Yes, ratings change more slowly, let's give it a try & continue the discussion, we'll make a step back if it doesn't prove to be better.
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