This page explains how Junzhou Li (USATT# 219717)'s rating went from 1470 to 1500 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.