Gregg Robertshaw
USATT#: 9501
| Coach Level: State | Certified Umpire
2191 2000
2007 JOOLA N. American Teams O
- 25 Nov 2007
- 25 Nov 2007
This page explains how Gregg Robertshaw (USATT# 9501)'s rating went from 2191 to 2000 at the 2007 JOOLA N. American Teams O held on - 25 Nov 2007. 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.