This page explains how Wai M. Wong (USATT# 45824)'s rating went from 1988 to 1973 at the Swan Friday O2000 Team League event from 7 Sep 2018. 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.