Ray A. Robertson
USATT#: 63884
1265 1293
2021 Arizona State Championship
23 May 2021 - 23 May 2021
23 May 2021 - 23 May 2021
This page explains how Ray A. Robertson (USATT# 63884)'s rating went from 1265 to 1293 at the 2021 Arizona State Championship held on 23 May 2021 - 23 May 2021. 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.