This page explains how Jiang-ling Du (USATT# 279691)'s rating went from 1492 to 1475 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.