This page explains how John W Potter (USATT# 10393)'s rating went from 1827 to 1770 at the Texas Wesleyan Open held on - 23 Jun 2007. 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.