This page explains how Michael D. D. Henry (USATT# 6592)'s rating went from 2165 to 2146 at the MDTTC Saturday League event from 3 Oct 2010. 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.