This page explains how Jorge Alejandro Vanegas Sanchez (USATT# 24999)'s rating went from 2064 to 2036 at the Labor Day Open held on - 5 Sep 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.