Derrick Cone
USATT#: 64672
1988 1974
2021 Arizona State Championship
23 May 2021 - 23 May 2021
23 May 2021 - 23 May 2021
This page explains how Derrick Cone (USATT# 64672)'s rating went from 1988 to 1974 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.