Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2078 2068
2003 USA TT National Champions
- 20 Dec 2003
- 20 Dec 2003
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2078 to 2068 at the 2003 USA TT National Champions held on - 20 Dec 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.