This page explains how Shelley Ann Hardy (USATT# 13206)'s rating went from 1388 to 1389 at the ASLT League event from 1 Sep 2023. 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.