This page explains how Hong Zhao (USATT# 4071)'s rating went from 2274 to 2264 at the Meiklejohn North American Seni held on - 8 Jun 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.