This page explains how Roy Michael Dietz (USATT# 5368)'s rating went from 1602 to 1506 at the Nittaku Ohio Open held on 8 Nov 2019 - 9 Nov 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.