Ratings accuracy.

A few statistics from the USCF database - Chess Forums

Is 1350 a good 10-minute rapid chess rating in chess.com? - Quora

What does 'percentile' mean? - Chess.com Member Support and FAQs

percentiles - Chess Forums

Diego Rasskin Gutman on X: Blitz Rating differences 2200 in chess com puts me in the 99.6% percentile 2344 in lichess puts me in the 98.2% percentile / X

The Effect of Chess on Standardized Test Score Gains - David I. Poston, Kathryn K. Vandenkieboom, 2019

Solved Chess Ratings. Arpad Elo was a physics professor at

Average rating for standard games. - Chess Forums

Ah yes, the average player has a MUCH higher rating than 1762 - Chess Forums

Chess: What's a Good Rating?. How good are you at Chess? What is the…, by Mackenzie Tittle