This page explains how David B. B. Stout (USATT# 47292)'s rating went from 1968 to 1959 at the SpinBlock Monday Night League event from 27 Sep 2021. 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.