This page explains how Robert Douglas Brickell (USATT# 4443)'s rating went from 1573 to 1538 at the GVTTC Monday Night League event from 16 Jan 2006. 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.