This page explains how Joseph Sabas (USATT# 146)'s rating went from 1507 to 1451 at the Fall Kickoff Tournament held on - 9 Aug 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.