This page explains how Don Ray Hamilton (USATT# 27945)'s rating went from 2134 to 2089 at the 2019 Arnold Table Tennis Challenge held on 1 Mar 2019 - 3 Mar 2019. 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.