This page explains how Changbo Lu (USATT# 202365)'s rating went from 2217 to 2242 at the Patty and Si Wasserman Junior Table Tennis Tournament held on 12 Mar 2021 - 13 Mar 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.