This page explains how John Salas (USATT# 43722)'s rating went from 1951 to 1976 at the Potomac Fall Open held on - 24 Nov 1996. 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.