This page explains how Glenn Wambold (USATT# 12851)'s rating went from 1340 to 1327 at the Grand Canyon State Games held on - 20 Jun 1999. 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.