This page explains how ZHIHONG QIU (USATT# 272814)'s rating went from 1314 to 1309 at the Austin Table Tennis League event from 23 Mar 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.