This page explains how SungSup Lee (USATT# 212922)'s rating went from 1776 to 1763 at the Austin Table Tennis League event from 9 Jan 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.