This page explains how Sorin Astalus (USATT# 263903)'s rating went from 818 to 816 at the Matchpoint TTC Super League event from 29 May 2019. 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.