Gregg Robertshaw
USATT#: 9501
| Coach Level: State | Certified Umpire
2089 2085
Butterfly Cary Cup
30 Mar 2017 - 2 Apr 2017
30 Mar 2017 - 2 Apr 2017
This page explains how Gregg Robertshaw (USATT# 9501)'s rating went from 2089 to 2085 at the Butterfly Cary Cup held on 30 Mar 2017 - 2 Apr 2017. 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.