This page explains how Marc Maronian (USATT# 61701)'s rating went from 1870 to 1738 at the 2009 CCC Cup held on - 10 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.