This page explains how James S S Goodwin IV (USATT# 93421)'s rating went from 1923 to 1823 at the Fremont Table Tennis Academy League event from 17 Oct 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.