This page explains how Thomas G Migliaccio (USATT# 24076)'s rating went from 1771 to 1767 at the AZ PTTC Monday event from 24 Oct 2011. 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.