This page explains how Jayden Zhou (USATT# 88299)'s rating went from 2457 to 2449 at the Westchester November 2019 Open held on 23 Nov 2019 - 24 Nov 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.