Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2130 2145
US Open TT Championship
- 4 Jul 2009
- 4 Jul 2009
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2130 to 2145 at the US Open TT Championship held on - 4 Jul 2009. 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.