Joseph S. Helfand
USATT#: 6564
| Coach Level: Club | National Referee | International Umpire
1519 1513
November Open
- 20 Nov 2010
- 20 Nov 2010
This page explains how Joseph S. Helfand (USATT# 6564)'s rating went from 1519 to 1513 at the November Open held on - 20 Nov 2010. 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.