This page explains how John W Potter (USATT# 10393)'s rating went from 1121 to 1158 at the NTTC August Open held on - 25 Aug 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.