This page explains how Wai M. Wong (USATT# 45824)'s rating went from 1923 to 1959 at the Swan Friday O2000 Team League event from 3 May 2019. 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.