This page explains how John W Potter (USATT# 10393)'s rating went from 1640 to 1742 at the TWU Giant RR held on - 6 Jan 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.