This page explains how Heather Hua Wang (USATT# 5935)'s rating went from 2189 to 2172 at the SoCal Open held on - 21 Aug 2005. 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.