This page explains how Tim Hui (USATT# 88906)'s rating went from 1293 to 1298 at the Trolley Car TTC Tuesday Night League event from 10 May 2011. 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.