This page explains how Chia Hao Chang (USATT# 1180710)'s rating went from 2533 to 2501 at the 2024 USATT Southwest Regional Championships held on 10 May 2024 - 12 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.