This page explains how Brian Wu (USATT# 223599)'s rating went from 2004 to 1988 at the LYTTC Barry Dattel Memorial 2023 held on 14 Jan 2023 - 15 Jan 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.