Projects / Chess Rating Calculator

Chess Rating Calculator

Chess Rating Calculator is a calculator of chess rating for tournament players. It saves calculation details and opponent names in XML files for later access.

Operating Systems

Recent releases

  •  24 Sep 2009 21:36

    Release Notes: This version brings a change in the GUI. The dialog is wrapped into three tabs for inputs, ratings, and results. A new button was created in the toolbar and in the menu to calculate the results. The ratings tab contains three ways to insert ratings, insert them individually, insert the sum of ratings, and insert the mean rating of opponents.

    •  18 Sep 2009 22:19

      Release Notes: This release fixes a bug in the Win32 version. Translations didn't work, and the application was started from the console. The Win32 version no longer uses the setup; it is a plain zip file that is easy to unzip. In the opponents table, the header was added to help the user input correct values.

      •  01 Aug 2009 17:02

        Release Notes: This version brings changes from FIDE rules that are valid from the 1st of July 2009. The minimal rating was changed from 1600 to 1200. The rule of 350 points was changed to 400 points. The value of 800 was added to rating performance table for 0 or 100%.

        •  15 Jun 2009 21:25

          Release Notes: This version brings a rating performance calculation. Language selection is saved upon exit and loaded on start using the Qt's settings mechanism, and doesn't depend on the system language anymore. Czech and Greek translations were also added.

          •  30 May 2009 20:18

            Release Notes: This version brings important changes. Calculation of a new rating is now in full accordance with FIDE rules. Everyone can check it at the official FIDE Web site using data for any player. The source tarball is again available for download for Mac users along with .deb, .rpm, binary.tar.gz,, and NSIS Win32 setup file.


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