This page explains how Radu Licea (USATT# 70970)'s rating went from 1685 to 1673 at the ICC - Advanced League event from 24 Aug 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.