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23rd November 2007, 09:17pm
#1
by arthurbovino
Brooklyn United States
Member Since: Nov 2007
Member Points: 29

Is there a post which explains how the rankings are created?

23rd November 2007, 09:25pm
#2
by Chessroshi
Indianapolis United States
Member Since: Aug 2007
Member Points: 739
You just start with a base rate 1200. Depending on if you win or lose, and the rating of who you win or lose to, a rating is calculated. A lot of the time there is an advanced mathmatical formula that dampens the rating shift the more games you play, that way there is not a giant fluctuation for fluke wins or losses.
23rd November 2007, 09:46pm
#3
by likesforests
United States
Member Since: May 2007
Member Points: 4407
Chess.com uses the Glicko system, designed as an improvement over the rating systems used by the USCF and FIDE. Google "Glicko" for more details.
23rd November 2007, 09:56pm
#4
by erik
Mountain View, CA United States
Member Since: May 2007
Member Points: 10120
here is a whole article on it: http://www.chess.com/article/view/chess-ratings---how-they-work
5th December 2007, 12:46am
#5
by arthurbovino
Brooklyn United States
Member Since: Nov 2007
Member Points: 29
Wow. That was great. Thanks.
 
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