This page explains how Olivier Ferlay (USATT# 78725)'s rating went from 1797 to 1787 at the PINGPOD LEAGUE NIGHT event from 30 Jan 2023. 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.