This page explains how Alix Jody Geller (USATT# 217083)'s rating went from 463 to 454 at the 2018 Ultimate Fieldhouse September Open held on 15 Sep 2018 - 15 Sep 2018. 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.