This page explains how Simone Cecchini (USATT# 113423)'s rating went from 1424 to 1404 at the LATTF event from 9 Oct 2010. 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.