This page explains how William H. Durbin (USATT# 17486)'s rating went from n/a to 838 at the 1998 Joe Henneke Memorial Open held on - 28 Jun 1998. 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.