Michael Halliday
USATT#: 12560
| Certified Umpire
0 1586
NATT
1 Jul 2007
1 Jul 2007
This page explains how Michael Halliday (USATT# 12560)'s rating went from n/a to 1586 at the NATT event from 1 Jul 2007. 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.