This page explains how Darren Tang (USATT# 23413)'s rating went from 1921 to 1920 at the $6000 Nittaku Ohio Open held on 21 Jan 2022 - 22 Jan 2022. 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.