This page explains how Thomas G Migliaccio (USATT# 24076)'s rating went from 1741 to 1717 at the Grand Canyon State Summer Game held on - 21 Jun 2008. 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.