This page explains how Trac B. Cao (USATT# 26110)'s rating went from 2017 to 2015 at the Minnesota Super League event from 26 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.