This page explains how Martin Johnson (USATT# 218374)'s rating went from n/a to 1839 at the 2019 DFWTT Fall League event from 5 Oct 2019. The links below take you to pages that describe various aspects of the ratings processor.

The ratings 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.