This page explains how Chris Mosio (USATT# 28893)'s rating went from 1971 to 1915 at the 2010 Eastern Open on the JOOLA NA Tour held on - 23 May 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.