This page explains how Tong Lai Lai Yu (USATT# 21768)'s rating went from 1725 to 1723 at the Power Pong March Open held on - 22 Mar 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.