This page explains how Radu Licea (USATT# 70970)'s rating went from 1720 to 1712 at the ICC - Advanced League event from 10 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.