Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2016 2003
Boston TTC October Open
- 28 Oct 2001
- 28 Oct 2001
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2016 to 2003 at the Boston TTC October Open held on - 28 Oct 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.