Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
1978 2072
Westfield March Open
- 12 Mar 1995
- 12 Mar 1995
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 1978 to 2072 at the Westfield March Open held on - 12 Mar 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.