This page explains how Richard E. McAfee (USATT# 43720)'s rating went from 2061 to 2041 at the Top Spin Thursday League event from 18 Mar 2011. 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.