This page explains how Leslaw Hakalo (USATT# 223119)'s rating went from 1995 to 1963 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.