This page explains how Chui-Chu Lok (USATT# 91890)'s rating went from n/a to 1218 at the Long Beach Table Tennis League event from 4 Sep 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.