This page explains how Mu Du (USATT# 202754)'s rating went from 2053 to 1974 at the 2nd Youth National Ranking Tournament held on 3 Oct 2019 - 6 Oct 2019. 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.