This page explains how Roger Liu (USATT# 82029)'s rating went from 2249 to 2234 at the 2016 Edgeball Chicago International Table Tennis Open held on 29 Oct 2016 - 30 Oct 2016. 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.