This page explains how Phillip Gustavson (USATT# 19484)'s rating went from 1672 to 1575 at the Gwinnett Table Tennis Club event from 9 Aug 2009. 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.