This page explains how Daniel Goodwin (USATT# 40278)'s rating went from 1954 to 1944 at the The Top Spin Saturday League event from 15 Oct 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.