This page explains how Greg Castillo (USATT# 21218)'s rating went from 1843 to 1829 at the 2003 Albuquerque Team Tourname held on - 17 May 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.