Peak Elo Ratings, All Time

Elo Rating System - Everything You Need to Know

Rating analytics: The number of rated chess players goes up

A look at the Elo ratings in the year 2021

Comparing every German player's highest-achieved puzzle rating with their current rapid chess rating (description in comments) : r/chess

Historical Chess Ratings – dynamically presented

What was Bobby Fischer's rating per age from his first chess game to the time he retired? - Quora

Is the NBA Elo Rating Magic? - Sports Analytics

The Elo system

Your rating progress

I've calculated the most difficult path to the world cup title based on Elo ratings (from 1930 to 2022) : r/soccer