25 Sep 2021 - 26 Sep 2021
This page explains how Trent Northrop (USATT# 267446)'s rating went from 1363 to 1390 at the 2021 Arizona Open & Giant Round Robin held on 25 Sep 2021 - 26 Sep 2021. 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.