This page explains how Robert Douglas Brickell (USATT# 4443)'s rating went from 1646 to 1596 at the GVTTC Monday Night League event from 25 Oct 2005. 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.