This page explains how Robert Hoover (USATT# 28053)'s rating went from 1786 to 1742 at the LYTTC Friday Pro League event from 4 Dec 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.