This page explains how Harvey Gotliffe (USATT# 6102)'s rating went from 1540 to 1539 at the 2000 San Francisco Summer Open held on - 20 Aug 2000. 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.