Ray A. Robertson
USATT#: 63884
1309 1220
2023 Valley of the Sun Open
2 Dec 2023 - 3 Dec 2023
2 Dec 2023 - 3 Dec 2023
This page explains how Ray A. Robertson (USATT# 63884)'s rating went from 1309 to 1220 at the 2023 Valley of the Sun Open held on 2 Dec 2023 - 3 Dec 2023. The links below take you to pages that describe various aspects of the rating processor.
Introduction
Initial Rating
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.