This page explains how Wai M. Wong (USATT# 45824)'s rating went from 1903 to 1868 at the ICC California State Open held on - 6 Dec 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.