This page explains how Joshua Aaron Susana (USATT# 267168)'s rating went from 1788 to 1780 at the SpinBlock Monday Night League event from 22 Feb 2021. 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.