This page explains how Rath Yin (USATT# 217197)'s rating went from 1040 to 1017 at the Austin Table Tennis League event from 2 Sep 2016. 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.