This page explains how Hsu-Chang Lu (USATT# 84845)'s rating went from 1783 to 1775 at the LYTTC Friday Pro League event from 24 Jun 2022. 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.