Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2118 2078
North American Teams
- 30 Nov 2003
- 30 Nov 2003
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2118 to 2078 at the North American Teams held on - 30 Nov 2003. 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.