This page explains how Tony Luong (USATT# 264821)'s rating went from 1223 to 1331 at the IndyPong December Open held on 9 Dec 2022 - 11 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.