This page explains how Sean Nograles (USATT# 269894)'s rating went from 1481 to 1466 at the SpinBlock Monday Night League event from 31 May 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.