This page explains how Hailong Shen (USATT# 75153)'s rating went from 2550 to 2528 at the Golden State Open held on - 25 May 2008. 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.