This page explains how Mark Fondas (USATT# 5845)'s rating went from 1683 to 1650 at the Robopong July 2012 Broward TTC held on - 29 Jul 2012. 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.