This page explains how Bin Hai Chu (USATT# 13020)'s rating went from 2093 to 2049 at the US Open held on - 10 Jul 2005. 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.