This page explains how Brian Hutchins-Knowle (USATT# 62550)'s rating went from 1507 to 1504 at the 10th Annual Paul Cracraft Memo held on - 20 May 1995. 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.