CF-Predictor

This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.

CF-Predictor: Predict Rating Changes on Codeforces

CF-Predictor is a unique Chrome extension developed for Codeforces users. This tool modifies the contest standings page, displaying approximate rating changes for every contestant, both during and after a contest. No need to wait anxiously for a rating update again with CF-Predictor.

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Extension stats

By: Wsl_F

Users: 50,000+

Rating: 4.21

(164)

Version: 1.3.2 (Last updated: 2022-11-28)

Creation date: 2020-06-16

Host permissions:

https://cf-predictor.wasylf.xyz/

Size: 87.00K

Email: Wa*****@gmail.com

Full description: See detailed description

Ranking

# 3,657 ▲ 72

Other rankings

#1633 in Developer Tools ▲ 3 #61 in rating keyword 15 ▼ 3

Other platforms

Not available on Android

CF-Predictor (v1.3.2)

1,530+ 4.71

(45)

Not available on Edge

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.

Pros

Really Useful
It is really amazing and it gives a very approximate number to the one given by CF later.
Accurate and very useful.
Kudos to the developer!!
Very Useful!

Cons

Not working
Stopped Working
Doesn't work anymore
Ratings are approximate not accurate
Doesn't work for an extended period of time

Most mentioned

Not working
Stopped Working
Doesn't work anymore
Ratings are approximate not accurate
It is really amazing and it gives a very approximate number to the one given by CF later.

User reviews

not working

SOURAV KUMAR PATEL, 2025-02-10

not working

Firuz Azizbekov, 2025-01-26

not working

Tanmay Agrawal, 2024-11-17

View all user reviews

Extension safety

Risk impact

CF-Predictor requires very minimum permissions.

Risk impact analysis details

High Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
Low ******* ****** ** *** ********* ******** **********

Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of CF-Predictor. Use it at your own risk.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
Good **** ********* ** * ******** ********* ** ****** *** *****
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