This page explains how Randall Medcalf (USATT# 64482)'s rating went from 2025 to 2020 at the Houston Elite League event from 15 Feb 2019. 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.