Screenshot 1

Quick Look

CF-Predictor is a Chrome extension that predicts Codeforces rating changes during and after contests, aiming to reduce user anxiety.

AI Overview

Who is this for?

Competitive programmers participating in Codeforces contests who want to see estimated rating changes.

Key Features

  • Predicts rating changes for Codeforces contestants
  • Displays approximate deltas during and after contests
  • Modifies contest standings page to show rating changes
  • Reduces wait time for rating updates

Reviews Analysis

Overall Sentiment

Mostly Positive

Users generally find the extension helpful for predicting rating changes on Codeforces, though some minor issues or desired features might exist.

Note: AI analysis focuses on the substance and recency of reviews, which may differ from the overall store rating.


What Users Love

  • Provides useful rating change predictions
  • Helpful for reducing anxiety during contests

Points to Consider

  • × Can be a bit basic in its prediction (as implied by user feedback for similar tools)
  • × No specific cons mentioned in the visible text

Official Description

From the Developer


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

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.

Your extension? Let us know if we can update or correct anything!

Key Info

  • Rating:
    4.2/5.0

    (166 ratings)

  • Users:50,000
  • Version:1.3.2
  • Updated:Nov 27, 2022
  • Developer:Visit Website →

Stats from Chrome Web Store