This page explains how Ark Sean Ouyang (USATT# 97418)'s rating went from 2010 to 2012 at the Matchpoint TTC Friday League event from 9 Jul 2021. 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.