CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
As of May 2026, CF-Predictor has 50,000 users and a 4.09/5 rating from 171 reviews in the Developer Tools category.
Usersno change0%
50.0K
50,000
Ratingdown 0.5 percent−0.5%
4.09
171 reviews
Reviewsup 0.6 percent+0.6%
171
Version
1.3.2
Manifest V3
History
1 snapshotsTracking since Apr 24, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 24, 2026 | 50.0K | 4.11 | 170 | 1.3.2 |
| Now | 50.0K | 4.09 | 171 | 1.3.2 |
Permissions & access
- Permissions
- None declared
- Host access
- https://cf-predictor.wasylf.xyz/
Screenshots
About
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.
Technical
- Version
- 1.3.2
- Manifest
- V3
- Size
- 84.96KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- Yes
Metadata
- ID
- ocfloejijfhhkkdmheodbaanephbnfhn
- Developer ID
- ufecc394e2011e75ab08c05374977a07a
- Developer Email
- [email protected]
- Created
- Feb 13, 2017
- Last Updated (Store)
- Nov 28, 2022
- Last Scraped
- May 21, 2026
- Website
- —
- Privacy Policy
- —
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Data sourced from the Chrome Web Store · last verified May 21, 2026.