This page explains how James Winn (USATT# 60903)'s rating went from 1820 to 1796 at the SpinBlock Monday Night League event from 12 Oct 2020. 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.