This page explains how Edward C. Jerome (USATT# 6998)'s rating went from 1576 to 1561 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.