This page explains how Po Keung Chan (USATT# 58713)'s rating went from 1450 to 1447 at the US Open Team Championships held on - 26 Nov 1995. 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.