This page explains how Justin Wu (USATT# 272696)'s rating went from 645 to 640 at the 2022 March Open @ Princeton Pong held on 5 Mar 2022 - 6 Mar 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.