This page explains how Matt Dellandrea (USATT# 82176)'s rating went from 1797 to 1807 at the 1st Butterfly Austin Fall Classic Round Robin Tournament held on - 19 Oct 2013. 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.