Chess Ratings

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Introduction to Chess Ratings
The Elo rating is a relative measure of a player's skill. What does Elo stand for and how is a rating calculated?

Tools to Calculate Your Chess Rating
Even if you hate math, you can still calculate chess ratings. First see our Rating Calculator tool. Then see our series on 'Step By Step' Rating Calculation. Do you know that you can use performance ratings to identify your strengths and weaknesses?

Rating Calculator
Just plug in your current rating, your opponents' ratings, and your results. Then click 'Calculate'. The tool will determine your new rating plus show some intermediate numbers used to compute the rating.

Calculate Your Chess Rating (Step by Step)
Calculate your chess rating step by step. If you already have a rating and have just played a chess event, follow each step to calculate your new rating. You don't have a rating? Then calculate your performance rating.

Back to Basics in Chess Ratings
1. Beyond the Elo System; 2. Ordinal Rating Systems; 3. Interval Rating Systems; and much more...

Chess eXpress Ratings
'Provides dozens of new metrics to improve player performance and increase chess club activity.' Warning : talks!

Edo Historical Ratings
'A new and different approach to historical chess ratings. Calculated by the Bradley-Terry method (used by Elo to initialize the FIDE ratings in 1970).'

FIDE Historical Ratings
FIDE rating lists 1975-2000, January each year.