This page explains how Carlos I. I. Estrada (USATT# 39831)'s rating went from 2143 to 2143 at the Florida Hall of Fame Tournamen held on - 24 May 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.