Irina Hellwig
USATT#: 11612
| International Umpire
1501 1500
US Nationals
- 19 Dec 1999
- 19 Dec 1999
This page explains how Irina Hellwig (USATT# 11612)'s rating went from 1501 to 1500 at the US Nationals held on - 19 Dec 1999. 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.