This page explains how Shandra Qiu (USATT# 270886)'s rating went from 1428 to 1413 at the Austin Table Tennis League event from 28 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.