This page explains how Poley Cheng (USATT# 83101)'s rating went from 746 to 872 at the Lily Yip TT Ctr May Open held on - 15 May 2011. 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.