This page explains how Alex Nguyen (USATT# 94672)'s rating went from 1309 to 1238 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.