This page explains how Max Mueller (USATT# 1180877)'s rating went from 622 to 605 at the Butterfly S&S October Open held on 21 Oct 2023 - 22 Oct 2023. 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.