This page explains how Richard E. McAfee (USATT# 43720)'s rating went from 2193 to 2198 at the Topspin Best Twelve Invitation held on - 17 Oct 2009. 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.