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Subject: How do chess federations calculate rating?

Author: Uri Blass

Date: 10:58:03 04/11/05


As far as I know the Israeli chess federation bought in the past a program to
calculate rating based on their database.

They do not have the source of the program(but only the exe file) and today
there is a problem because they decided to change the rules but they have no
money to pay to the person who wrote the program so the old rules of rating are
practically used and not the new rules.

Note also that I thought in the past that it may be a good idea to let everybody
to download a file with all the data that they have about results of games but I
understood that it is impossible because the data is only in some excel file
together with other details that they do not want the public to know so they
cannot give people to download the excel file.

I am interested to know how other chess federations calculate rating and if you
have some good idea that I can suggest to the israeli federation.

I thought about some ideas but I prefer to hear first from other people.

Uri



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