This page explains how Yu Shao (USATT# 8102)'s rating went from 2556 to 2544 at the 3rd CCBA Cup held on - 5 Sep 2004. 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.