This page explains how Yibiao Qi (USATT# 1178102)'s rating went from 2553 to 2559 at the 2023 Butterfly South Texas Open held on 21 Oct 2023 - 21 Oct 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.