This page explains how Michael W. Branch (USATT# 60457)'s rating went from 808 to 797 at the MDTTC June Open held on - 14 Jun 1998. 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.