Joseph S. Helfand
USATT#: 6564
| Coach Level: Club | National Referee | International Umpire
1613 1592
Detroit Open
- 21 Aug 1994
- 21 Aug 1994
This page explains how Joseph S. Helfand (USATT# 6564)'s rating went from 1613 to 1592 at the Detroit Open held on - 21 Aug 1994. 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.