This page explains how Emma Yang (USATT# 270846)'s rating went from 1827 to 1826 at the Westchester June 2023 Open held on 24 Jun 2023 - 25 Jun 2023. 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.