This page explains how Jay J Chen (USATT# 216241)'s rating went from 2117 to 2156 at the Westchester May 2023 Open held on 27 May 2023 - 28 May 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.