Elo Rating System: how underrated are the kids?

An interesting phenomenon of the ELO rating system is that when examining game outcomes for a group of lower rated players, higher rated players tend to underperform relative to the theoretical ELO probability, and lower-rated players overperform. What are the causal factors explaining the inability of the ELO system to predict results? <a href="[Post:view_link]">A study by Ganesh Viswanath.</a>

Are Elo ratings going down?

How do ratings on online chess sites (I'm active on chess.com) compare to official (FIDE or USCF) ratings? - Quora

How did the rating inflation in chess work? - Quora

Elo Rating System, Eleven-VR Wiki

Introducing The Arc's system for rating AFL teams – The Arc

Applications of the Elo rating system in adaptive educational systems - ScienceDirect

Your Move, Grandpa! Chess for Kids: Master the Rules, Solve Puzzles, and Win the Game with Proven Tactics & Strategies, From Openings to Endgames: Knight, Alex: 9781915836243: : Books

Magnus Carlsen ranks the World Chess Champions

Why is my blitz rating on 600 points lower than my USCF rating? - Chess Forums

PDF) Boltzmann and Fokker–Planck Equations Modelling the Elo Rating System with Learning Effects

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