This page explains how Toon Siong Mao (USATT# 55611)'s rating went from 1755 to 1767 at the 2007 JOOLA RR Extravaganza held on - 5 Aug 2007. 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.