Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2065 2046
NJTTC January Open
- 21 Jan 1996
- 21 Jan 1996
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2065 to 2046 at the NJTTC January Open held on - 21 Jan 1996. 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.