This page explains how Zachary D Moore (USATT# 31868)'s rating went from 1517 to 1566 at the Hutchinson 2004 Fall Open held on - 17 Oct 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.