This page explains how Nicholas Joseph Coyle (USATT# 93777)'s rating went from 1938 to 1965 at the Trolley Car TTC Tuesday Night League event from 9 Jun 2015. The links below take you to pages that describe various aspects of the rating processor.

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.