This page explains how Quang Bui (USATT# 26093)'s rating went from 1525 to 1649 at the 2009 Porky's Fall Classic held on - 18 Oct 2009. 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.