This page explains how Kaijun Zhou (USATT# 276619)'s rating went from 2466 to 2489 at the Westchester 2024 February Open held on 24 Feb 2024 - 25 Feb 2024. 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.