This page explains how Santiago Alejandro Acosta (USATT# 218921)'s rating went from 2228 to 2243 at the Westchester January 2022 Open held on 29 Jan 2022 - 30 Jan 2022. 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.