This page explains how Zhen Chen (USATT# 269930)'s rating went from 1698 to 1707 at the San Antonio Butterfly Winter Giant Round Robin held on 10 Feb 2024 - 10 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.