This page explains how Xiuyuan (tony) Hu (USATT# 1182878)'s rating went from n/a to 1156 at the LATTA Butterfly Open December 2023 held on 10 Dec 2023 - 10 Dec 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.