This page explains how Shih-Shang Pete Au (USATT# 64700)'s rating went from 1547 to 1551 at the Grand Canyon State Games held on - 22 Jun 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.