This page explains how Robert Hoover (USATT# 28053)'s rating went from 1859 to 1786 at the LYTTC Friday Pro League event from 20 Nov 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.