This page explains how Prasiddha Parthsarthy (USATT# 86178)'s rating went from 2004 to 1994 at the Trolley Car TTC Tuesday Night League event from 24 Mar 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.