This page explains how Peter (Liyang) Hua (USATT# 24333)'s rating went from 2009 to 1989 at the PINGPOD LEAGUE NIGHT event from 15 May 2024. 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.