This page explains how Dale Hu (USATT# 74718)'s rating went from 531 to 531 at the 2010 Atlanta Open Giant RR held on - 6 Nov 2010. 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.