This page explains how Michael Wilke (USATT# 90920)'s rating went from 1867 to 1836 at the Butterfly Spin &Smash October Open held on 1 Oct 2022 - 2 Oct 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.