This page explains how Heath Clugston (USATT# 231466)'s rating went from 1626 to 1621 at the 2024 HCTTC Circuit May 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.