This page explains how Tue Nguyen (USATT# 280602)'s rating went from 1215 to 1199 at the Austin Table Tennis League event from 20 Dec 2023. 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.