This page explains how James D. Walker (USATT# 24154)'s rating went from 1769 to 1751 at the 9th Paul Cracraft Memorial & J held on - 22 May 1994. 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.