This page explains how Yan Luo (USATT# 279692)'s rating went from 1591 to 1591 at the 89th Annual USATT Michigan State Championship held on 3 May 2024 - 5 May 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.