This page explains how Owen Zou (USATT# 1177045)'s rating went from 1002 to 998 at the LYTTC Friday Pro League event from 26 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.