This page explains how Abraham S. C. Chen (USATT# 32593)'s rating went from 1686 to 1660 at the Burke TTC U2300 (Pre-Open Warm held on - 22 Jun 2003. 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.