This page explains how Ryan Choi (USATT# 1168333)'s rating went from 1227 to 1228 at the Austin Table Tennis League event from 8 Dec 2021. 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.