This page explains how Harvey Gotliffe (USATT# 6102)'s rating went from 1623 to 1623 at the Sacramento Fall Open held on - 4 Oct 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.