CF Local Predictor

Local Codeforces rating predictor. Developed by Machine Solution

As of June 2026, CF Local Predictor has 19 users in the Developer Tools category.

Usersno change0%
19
19
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.8.0
Manifest V3

History

5 snapshots

Tracking since May 14, 2026.

20.12123.879999999999999May 14, 2026Jun 8, 2026
View as table
DateUsersRatingReviewsVersion
May 14, 20261.8.0
May 20, 20261.8.0
May 26, 202651.8.0
Jun 2, 2026121.8.0
Jun 8, 2026161.8.0
Now191.8.0

Permissions & access

Permissions
None declared
Host access
https://codeforces.com/*

Screenshots

CF Local Predictor screenshot 1CF Local Predictor screenshot 2

About

CF Local Predictor adds local rating predictions directly to Codeforces standings pages.

Features:
• Local rating prediction without external servers
• Predicted rating delta column (Δ)
• Predicted title transition column (↕)
• Full official standings calculation through the Codeforces API
• Lightweight UI integrated into the native Codeforces standings style
• Works on finished and active contests

The extension performs all prediction calculations locally in the browser and does not collect or transmit personal data.

Technical

Version
1.8.0
Manifest
V3
Size
16.48KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
kidopdgadgfnfinboffkpegbgjmbfhie
Developer ID
u6324f9b06d9caabbd7793018befd9a06
Developer Email
[email protected]
Created
May 13, 2026
Last Updated (Store)
May 13, 2026
Last Scraped
Jun 8, 2026
Website
Support URL
Privacy Policy

Data sourced from the Chrome Web Store · last verified Jun 8, 2026.