This page explains how Jianhao Li (USATT# 278904)'s rating went from 1292 to 1279 at the OCTTA BUTTERFLY OPEN JUNE held on 9 Jun 2024 - 9 Jun 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.