Simon Brain
USATT#: 60706
| Coach Level: State | Certified Umpire
1957 1951
2009 US Nationals
- 19 Dec 2009
- 19 Dec 2009
This page explains how Simon Brain (USATT# 60706)'s rating went from 1957 to 1951 at the 2009 US Nationals held on - 19 Dec 2009. 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.