Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2090 2023
2016 US Open
12 Dec 2016 - 17 Dec 2016
12 Dec 2016 - 17 Dec 2016
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2090 to 2023 at the 2016 US Open held on 12 Dec 2016 - 17 Dec 2016. 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.