This page explains how Roger Liu (USATT# 82029)'s rating went from 2283 to 2243 at the 2022 US National TT Championships Midwest Regional Qualifier held on 20 May 2022 - 22 May 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.