This page explains how Peter (Liyang) Hua (USATT# 24333)'s rating went from 1283 to 1281 at the MDTTC April Open held on - 7 Apr 2002. 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.