This page explains how Brian Wu (USATT# 223599)'s rating went from 2220 to 2170 at the 2023 June Open @ Princeton Pong held on 3 Jun 2023 - 4 Jun 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.