This page explains how Randall Medcalf (USATT# 64482)'s rating went from 1930 to 1953 at the Houston Elite League event from 27 Sep 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.