Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2049 2030
New Hampshire Millenium RR Ope
- 27 Feb 2000
- 27 Feb 2000
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2049 to 2030 at the New Hampshire Millenium RR Ope held on - 27 Feb 2000. 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.