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.

A look at the Elo ratings in the year 2021

ELO Ratings for the NHL « Hockey Analytics

Introducing 2017 Disc Golf Elo Ratings - Ultiworld Disc Golf

Rating Sports Teams — Elo vs. Win-Loss

A quantile regression analysis of chess ratings by age - The DO Loop

What's Wrong With the Elo System?

The Math Behind Your Competitive Overwatch Match

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

Using ELO for Sports Betting – Peter McKeever

PDF] Understanding and Pushing the Limits of the Elo Rating