This page explains how Carlos I. I. Estrada (USATT# 39831)'s rating went from 2103 to 2097 at the September '09 Broward TT Open held on - 4 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.