This page explains how Qi Cai (USATT# 223588)'s rating went from 1808 to 1815 at the NYISC February 2024 Open held on 3 Feb 2024 - 3 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.