Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2088 2121
US Open
- 6 Jul 2013
- 6 Jul 2013
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2088 to 2121 at the US Open held on - 6 Jul 2013. 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.