CF-Predictor is a developer tools chrome extension. it's a free extension , it has 40,000+ active users since released its first version, it earns an average rating of 4.72 from 132 rated user, last update is 651 days ago.
A huge number of your nerve cells die every time when you wait for a rating update on Codeforces. Stop this! From now you could use this extension, it partly modifies the contest standings page and shows approximate rating changes for every contestant.
You could download the latest version crx file or older version files and install it.
English.
81% user give 5-star rating, 8% user give 4-star rating, 3% user give 3-star rating, 6% user give 2-star rating, 3% user give 1-star rating. Read reviews of cf-predictor
You could find more help information from cf-predictor support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of cf-predictor.
You could click to report abuse of cf-predictor.
It used to work perfectly. It's not working anymore.
it doesn't work
It is really amazing and it gives a very approximate number to the one given by CF later.