This page explains how Bruno A. Ferran (USATT# 70814)'s rating went from 1798 to 1780 at the 2006 NNTTC Fall Open held on - 10 Sep 2006. 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.