This page explains how Isabella Joy Xu (USATT# 98155)'s rating went from 2172 to 2212 at the 2022 US NATIONAL TABLE TENNIS CHAMPIONSHIPS held on 2 Jul 2022 - 7 Jul 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.