This page explains how Allen W. Wang (USATT# 69905)'s rating went from 1809 to 1787 at the West Jersey Table Tennis Club League event from 1 May 2008. 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.