Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
1934 1946
Westfield January Open
- 15 Jan 1995
- 15 Jan 1995
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 1934 to 1946 at the Westfield January Open held on - 15 Jan 1995. 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.