This page explains how George Hecksher (USATT# 33798)'s rating went from 743 to 742 at the NYC 2005 Open held on - 26 Jun 2005. 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.