This page explains how Michael Du Plessis (USATT# 202887)'s rating went from 1473 to 1472 at the 2023 March Open @ Princeton Pong held on 4 Mar 2023 - 5 Mar 2023. 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.