This page explains how Joshua R. Sclair (USATT# 28727)'s rating went from 1579 to 1560 at the PWTTC March 2004 Open held on - 21 Mar 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.