This page explains how Agnieszka Maluszczak (USATT# 230166)'s rating went from 2358 to 2329 at the Westchester 2021 October Open held on 30 Oct 2021 - 31 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.