This page explains how Thomas G Migliaccio (USATT# 24076)'s rating went from 1621 to 1643 at the Grand Canyon State 2003 Summer held on - 22 Jun 2003. 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.