This page explains how Jack S. Jacob (USATT# 60813)'s rating went from 1791 to 1783 at the Maryland Cicuit held on - 9 Feb 2003. 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.