This page explains how Jenshan Kuo (USATT# 1176819)'s rating went from n/a to 1339 at the LATTA Butterfly September Open 2022 held on 24 Sep 2022 - 24 Sep 2022. 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.