This page explains how John Tannehill (USATT# 10466)'s rating went from 2192 to 2225 at the Columbus Sun TV Fall Open held on - 4 Oct 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.