Greg John Kerkow
USATT#: 41837
| Coach Level: Club | Certified Umpire
1890 1924
Northwest Spring Giant RR
- 17 May 2003
- 17 May 2003
This page explains how Greg John Kerkow (USATT# 41837)'s rating went from 1890 to 1924 at the Northwest Spring Giant RR held on - 17 May 2003. 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.