Gregg Robertshaw
USATT#: 9501
| Coach Level: State | Certified Umpire
1969 1928
2023 JOOLA North American Teams
24 Nov 2023 - 26 Nov 2023
24 Nov 2023 - 26 Nov 2023
This page explains how Gregg Robertshaw (USATT# 9501)'s rating went from 1969 to 1928 at the 2023 JOOLA North American Teams held on 24 Nov 2023 - 26 Nov 2023. 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.