This page explains how Jane Magras (USATT# 3055)'s rating went from 1121 to 1089 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.