This page explains how Jason Barrett (USATT# 12083)'s rating went from 1498 to 1498 at the 2006 NA Championships held on - 13 May 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.