This page explains how BRIAN JOHNSEN (USATT# 1178774)'s rating went from 923 to 923 at the 2024 ALABAMA CLOSED CHAMPIONSHIPS held on 4 May 2024 - 4 May 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.