Stable signalUnknownLow-risk permissions
CF-Predictor icon

CF-Predictor

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

Users50KCurrent public install base
Rating4.1Store average score
Reviews171Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

CF-Predictor Media preview

1 assets
Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

50K50K50K50K50K2026年7月14日2026年7月17日2026年7月20日Latest: 50K
Rating trend

7-day rating trend

View collected rating snapshots from the latest 7-day window to assess rating stability.

7-day rating change

Start
4.09
Latest
4.09
7-day rating change
0.00
3.994.044.094.144.192026年7月14日2026年7月17日2026年7月20日Latest: 4.09
2026年7月14日2026年7月20日
Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthFlat
00%
7-day growthFlat
00%
30-day growthFlat
00%
Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version1.3.2
ManifestV3
Size84.96KiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

Review the store description, core capabilities, and common use cases.

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.

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

Store average score4.1Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.6Average computed only from synced review bodies below
Reviews with text78Synced review bodies
Total ratings / reviews171Chrome Web Store public rating/review count

Store average score: 4.1. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5
42
4
7
3
1
2
9
1
19
Halymmuhammet Annageldyyev (Halym2007)2023年3月12日
1

it doesn't work

Language en
6 helpful · 0 not helpful
Youssef Amir2022年9月19日
5

It is really amazing and it gives a very approximate number to the one given by CF later.

Language en
0 helpful · 2 not helpful
Rifath Sahriar2022年8月26日
5

Just wanna say thank you

Language en
Rohit Shukla2021年9月9日
5

Kudos to the developer!!

Language en
Thomas Dang2021年8月1日
5

accurate and very useful.

Language en
Ryan Zhang2021年3月19日
5

gud!

Language da
Rockstar G2021年1月28日
5

Very Useful!

Language en
Ankit Kumar Sharma2021年1月4日
5

I noticed that it is not showing rating updates of previous contests, since I changed my CodeForces handle. Though, It is working correctly on the present contests.

Language en
Ayush Nishad2020年12月14日
5

Works perfect!

Language en
Mahdy Berriri2020年10月18日
5

Very helpful

Language en