This page explains how Jean-Hugo Drouillet Conde (USATT# 31854)'s rating went from 1863 to 1825 at the LYTTC Friday Pro League event from 5 Oct 2018. 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.