This page explains how Timothy Richard Doerr (USATT# 5407)'s rating went from 1230 to 1158 at the 57th Robo-Pong St. Joseph Valley Open held on 19 Mar 2022 - 20 Mar 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.