This page explains how Alan Hau (USATT# 12870)'s rating went from 1556 to 1574 at the Sac Open Singles & TeamTournam held on - 13 May 2000. 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.