This page explains how Amy Zhao (USATT# 276191)'s rating went from 1672 to 1580 at the 2022 U.S. OPEN TABLE TENNIS CHAMPIONSHIPS held on 16 Dec 2022 - 21 Dec 2022. 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.