This page explains how Joon Lee (USATT# 216874)'s rating went from 1600 to 1591 at the SpinBlock Monday Night League event from 1 Nov 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.