What's Wrong With the Elo System?

Want to know an expert statistical opinion about which FIDE-strength players you should avoid facing? The Elo system is supposed to be fair toward players of all strengths, but Jeff Sonas sees major problems with the current state of the FIDE Elo rating pool, and it's getting worse each year. It will take multiple articles to walk you through the analysis, but here is chapter one of the story.

Elo Calculator Elo Rating Calculator

Introduction to Elo Ratings

Relative ELO vs. expected win/loss ratio? - Chess Forums

How accurate is the Elo rating system in predicting actual

The distribution of expected results We by Elo rating measurement

Based on Elo rating, what percentile am I in? - Chess Stack Exchange

How much do past seasons affect current Elo ratings? – The Arc

Introducing College Football Elo Ratings – Staturdays

Introducing Elo for College Lacrosse – Lacrosse Reference

How the Eventing Elo Works

MP Tracking - I don't know if I've leveled out at my appropriate

What percentage of ranked chess players have a 700 or less rating

Debunking the Chessboard: Confronting GPTs Against Chess Engines

What would be an average rating in chess? - Chess Forums

PDF] Understanding and Pushing the Limits of the Elo Rating