This page explains how James S S Goodwin IV (USATT# 93421)'s rating went from n/a to 260 at the The Top Spin Saturday League event from 13 Jul 2013. 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.