A look at the Elo ratings in the year 2021

Ratings are full of mysteries and by no means coherent. Sometimes, you suspect an inflation of ratings, sometimes a deflation. In some countries ratings are distorted by too many young players - or not enough adult players. And how did the lack of tournaments in the Covid era affect the Elo ratings? Walter Wolf has gathered a lot of statistics and tries to draw conclusions.

Rating distribution graph - Chess Forums

MSE-optimal K-factor of the Elo rating system for round-robin tournament

Talking Tech: Calculating Elo Ratings for College Football

Measuring Faceoff Skill in the PHF: Elo Ratings – Ben Howell

Magnus Carlsen celebrates 10 years unbroken as world no. 1

A Shallow Dive into the 2021 Parramatta Eels – Pythago NRL

How Accurate is the AP Poll? – Staturdays

How To Learn Chess As An Adult (or, how I went from 300 to 1500 ELO in 9 months) — Alex Crompton

Twenty20 Elo Ratings – The Flag

Talking Tech: Calculating Elo Ratings for College Football

University of Colorado Boulder Athletics at a Crossroads

The Elo ratings: Inflation or Deflation?

FIDE Is Tinkering with Elo.. And, It Doesn't Look Good for Several…, by Tony Berard, Board Games and Cards