This page explains how Joel L. Lipschutz (USATT# 7800)'s rating went from 1187 to 1222 at the SportsFest XIV 'Team' & Top Gun Singles Open held on - 18 Jul 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.