This page explains how Santiago Alejandro Acosta (USATT# 218921)'s rating went from 2301 to 2253 at the NJTTC Oct 11 2020 Open held on 11 Oct 2020 - 11 Oct 2020. 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.