This page explains how Olivier Mader (USATT# 20734)'s rating went from 2015 to 1978 at the FLORIDA ORANGE BLOSSOM TABLE TENNIS SERIES FALL CLASSIC OPEN 2021 held on 29 Oct 2021 - 30 Oct 2021. 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.