This page explains how Diogenes De Los Santos (USATT# 77838)'s rating went from 1732 to 1642 at the Rochester Open held on - 3 Mar 2013. 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.