Helen Wilson
USATT#: 10989
1309 1293
Trolley Car TTC Sep 2012 Phill
- 8 Sep 2012
- 8 Sep 2012
This page explains how Helen Wilson (USATT# 10989)'s rating went from 1309 to 1293 at the Trolley Car TTC Sep 2012 Phill held on - 8 Sep 2012. 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.