This page explains how Brian Hoffman (USATT# 11165)'s rating went from 1497 to 1493 at the Trolley Car TTC Tuesday Night League event from 1 Apr 2014. 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.