This page explains how Jerry I. Golubow (USATT# 6168)'s rating went from 1831 to 1813 at the Columbia August 2001 Giant RR held on - 18 Aug 2001. 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.