This page explains how Joyce Lee (USATT# 221469)'s rating went from 1721 to 1742 at the 2019 Arnold Table Tennis Challenge held on 1 Mar 2019 - 3 Mar 2019. 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.