This page explains how Jeff McNinch (USATT# 609)'s rating went from 783 to 773 at the GVTTC Monday Night League event from 20 Mar 2006. 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.