This page explains how Charles Lo (USATT# 221965)'s rating went from 1325 to 1556 at the 2022 Badger Open held on 23 Sep 2022 - 25 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.