This page explains how Bishop Duperret (USATT# 222901)'s rating went from 1017 to 995 at the Tucson Table Tennis Club League event from 13 Oct 2018. 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.