This page explains how Carlos I. I. Estrada (USATT# 39831)'s rating went from 2139 to 2119 at the Central FL Summer Open 2006 held on - 12 Aug 2006. 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.