This page explains how Wai M. Wong (USATT# 45824)'s rating went from 2025 to 2000 at the Swan Sunday League event from 18 Jun 2017. 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.