This page explains how David Yong-Xiang Zhuang (USATT# 58322)'s rating went from 2653 to 2650 at the Dr. Wang Chinese New Year Open held on - 5 Feb 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.