26 Oct 2019 - 27 Oct 2019
This page explains how Percy Johnson (USATT# 220565)'s rating went from 1469 to 1511 at the Edgeball Chicago International Table Tennis Open held on 26 Oct 2019 - 27 Oct 2019. The links below take you to pages that describe various aspects of the ratings processor.
The ratings 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.