This page explains how Brian Zilai Wang (USATT# 229554)'s rating went from 869 to 862 at the 2023 USATT Southwest Regional Championships held on 26 May 2023 - 28 May 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.