This page explains how Yinghua Cheng (USATT# 54107)'s rating went from 2802 to 2809 at the 1998 Southern Open held on - 25 Oct 1998. 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.