This page explains how Gary D. Harbeck (USATT# 6425)'s rating went from 2093 to 2100 at the The Nicholas Summer Open held on - 12 Jun 2004. 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.