Gregg Robertshaw
USATT#: 9501
| Coach Level: State | Certified Umpire
2113 2127
4th Butterfly Cape Fear Open
- 12 Jan 2013
- 12 Jan 2013
This page explains how Gregg Robertshaw (USATT# 9501)'s rating went from 2113 to 2127 at the 4th Butterfly Cape Fear Open held on - 12 Jan 2013. 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.