This page explains how James Goodwin (USATT# 39061)'s rating went from 2085 to 2121 at the The Top Spin Saturday League event from 7 Feb 2015. 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.