This page explains how Wai M. Wong (USATT# 45824)'s rating went from 2025 to 2021 at the Sacramento Fall Fun For All Open held on 24 Sep 2022 - 24 Sep 2022. 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.