Gregg Robertshaw
USATT#: 9501
| Coach Level: State | Certified Umpire
2021 2023
2021 Butterfly / Bodyarmor State Games of North Carolina
13 Jun 2021 - 13 Jun 2021
13 Jun 2021 - 13 Jun 2021
This page explains how Gregg Robertshaw (USATT# 9501)'s rating went from 2021 to 2023 at the 2021 Butterfly / Bodyarmor State Games of North Carolina held on 13 Jun 2021 - 13 Jun 2021. 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.