This page explains how Michael S. S. Harris (USATT# 32157)'s rating went from 1880 to 1883 at the 2007 Alabama Closed Team Champ held on - 31 Mar 2007. 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.