This page explains how Jeff McNinch (USATT# 609)'s rating went from 794 to 775 at the GVTTC Monday Night League event from 13 Feb 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.