This page explains how Randy Hou (USATT# 20092)'s rating went from 2169 to 2148 at the 9th Hua Xia TT Championship held on - 3 Nov 2002. 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.