This page explains how Ngai Chung Chan (USATT# 1157490)'s rating went from 1334 to 1323 at the 2022 Edgeball Chicago International Table Tennis Open held on 29 Oct 2022 - 30 Oct 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.