This page explains how James R. Morris (USATT# 8495)'s rating went from 1761 to 1756 at the Atlanta Giant RR held on - 3 Mar 2007. 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.