This page explains how Adam Chhour (USATT# 263795)'s rating went from 1301 to 1220 at the Matchpoint TTC Super League event from 3 Apr 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.