This page explains how Darren Tang (USATT# 23413)'s rating went from 1500 to 1533 at the 2004 Millcreek Open held on - 24 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.