This page explains how Gary Fang (USATT# 30341)'s rating went from 2006 to 2004 at the Bay Area Table Tennis Federation event from 11 Apr 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.