Joseph S. Helfand
USATT#: 6564
| Coach Level: Club | National Referee | International Umpire
1644 1602
2006 Michigan Closed
- 2 Apr 2006
- 2 Apr 2006
This page explains how Joseph S. Helfand (USATT# 6564)'s rating went from 1644 to 1602 at the 2006 Michigan Closed held on - 2 Apr 2006. 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.