This page explains how Keith Carson (USATT# 221111)'s rating went from 1066 to 1114 at the 2021 Valley of the Sun Open held on 4 Dec 2021 - 5 Dec 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.