This page explains how Bernard W. Kobes (USATT# 19477)'s rating went from 711 to 709 at the Grand Canyon State Games held on - 2 Mar 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.