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Rating Calculator


Initial rating


Initial rating

Updated on 2023-03-04

Warning: Don't forget that players' ratings are updated after each match. So winning against one player may not produce the same outcome at the beginning of a tournament or at its end.

Tip: You don't need the Internet to use this calculator, once the page has been loaded in your browser you can use it offline as long as you don't close your browser.
Also, this page can be saved from your browser into a folder on your computer. Then, it can be executed offline by double clicking on the saved page.