Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2045 2052
Waltham April Open RR
- 14 Apr 1996
- 14 Apr 1996
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2045 to 2052 at the Waltham April Open RR held on - 14 Apr 1996. 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.