This page explains how Thomas G Migliaccio (USATT# 24076)'s rating went from 1663 to 1662 at the AZ PTTC Monday event from 27 Sep 2010. 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.