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

Calculate rating changes for virtual codeforces contests

The Codeforces Rating Predictor is a machine learning model designed to estimate a programmer's Codeforces rating based on various factors such as problem-solving skills, contest performance, consistency, and other relevant metrics.

If you face any issues with CF-Predictor, please let me know :) Hi guys! As I mentioned on previous contest I'm working on tool that predicts rating changes. I'm happy to present it now! A huge amount of your nerve cells die every time when you wait for a rating update on Codeforces.

You can access it from here : Codeforces Future rating Predictor

AlexandruINV → 2026 Codeforces Rating Distribution With Advanced Analytics! greateric → FFT on 2200 rated div2 problem · MathModel → Invitation to Eolymp Weekend Practice #22 · pranavsingh0111 → Invitation to CodeRed 2026 · Jajceslav → Dynamic Programming Video pt. 2 · luctivud · Blog · Teams · Submissions · Groups · Contests · Your Future Ratings Predictor is here!!

AlexandruINV → 2026 Codeforces Rating Distribution With Advanced Analytics! greateric → FFT on 2200 rated div2 problem · MathModel → Invitation to Eolymp Weekend Practice #22 · pranavsingh0111 → Invitation to CodeRed 2026 · Jajceslav → Dynamic Programming Video pt. 2 · DeadMan69 · Blog · Teams · Submissions · Groups · Contests · Problemsetting · ML Based Rating Predictor ·

A. Rating Predictor · Since rating prediction is a regression problem, we · used R2 score and RMS Error as our metric. XGBoost · algorithm gave our best score with a R2 score of 0.82 · and RMS Error of 75.11. Codeforces on an average gives

Codeforces' Handle: Predict Rating Fetching data from Codeforces... ⏳ · This predictor analyzes your Codeforces' submissions history, problem-solving patterns, and rating progression to forecast your future performance.

June 26, 2025 - Analyzing the shap plot of the trained model we see this: ... People who have done lot's of problems during rated contests in the last 3 months are the most likely to increase their ratings, while people who are doing almost no contests are ...

Codeforces Rating Predictor

Hello everyone ! some times we had seen that codeforces took much time (sometimes few days) to update the problem rating of recent contest problemset , and i personally waited for days to see the rating of problem that i had solved in the live contest as soon as possible just to see did i crossed my limits (obviously when i solved more problems than my usual limits),and i hope you might also have experienced such thing.

Application Link: cf-rating-predictor GitHub Repo: CFpredictor · This is my first time implementing something ML-based so please forgive me if I did something wrong ;) Thanks if you have any suggestions do let me know :) +41 · akshat.jaipuriar · 11 months ago · 42 · Comments (42) Write comment? In English In Russian · ↑ · ↓ · Codeforces (c) Copyright 2010-2026 Mike Mirzayanov ·

This extension predicts rating changes for Codeforces.

Predict your future ratings from your past performance. - luctivud/Codeforces-Future-Rating-Predictor

November 26, 2022 - Download CF-Predictor for Firefox. This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.

The application filters out unsuccessful contests you have participated in on Codeforces and predicts your rating today based on the performance of the contests you have participated in.

awoo → Educational Codeforces Round 188 [Rated for Div.

January 31, 2026 - Hello Codeforces! I’m excited to share a tool I’ve been working on: CF Rating Predictor.

Proof_by_QED → EPIC Institute of Technology Round Summer 2025 (Codeforces Round 1036, Div. 1 + Div. 2) Editorial ... I have some news to share about CF-Predictor (a service that allows you to view rating changes before official results). This extension was launched almost 6 years ago.