Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2039 2016
Boston TTC Labor Day Open
- 2 Sep 2001
- 2 Sep 2001
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2039 to 2016 at the Boston TTC Labor Day Open held on - 2 Sep 2001. 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.