Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2136 2126
2011 US Open
- 4 Jul 2011
- 4 Jul 2011
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2136 to 2126 at the 2011 US Open held on - 4 Jul 2011. 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.