This page explains how Lynn Paul Johnson (USATT# 7035)'s rating went from 1521 to 1507 at the Davison August Giant RR held on - 31 Aug 2002. 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.