Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2041 2133
USA National Table Tennis Cham
- 22 Dec 2007
- 22 Dec 2007
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2041 to 2133 at the USA National Table Tennis Cham held on - 22 Dec 2007. 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.