This page explains how John Tannehill (USATT# 10466)'s rating went from 2245 to 2249 at the Buckeye Open held on - 24 Mar 2002. 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.