This page explains how Sean Hopf (USATT# 1181850)'s rating went from n/a to 721 at the Motor City Fall 2023 Open held on 6 Oct 2023 - 7 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.