This page explains how Owen Zou (USATT# 1177045)'s rating went from 1220 to 1200 at the LYTTC March Open 2024 held on 9 Mar 2024 - 10 Mar 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.