This page explains how Joe Ryan (USATT# 83350)'s rating went from 1977 to 1962 at the Paddle Palace Atlanta Summer Open held on 5 Jun 2021 - 5 Jun 2021. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.