This page explains how Marcos Monzon (USATT# 8580)'s rating went from 1667 to 1691 at the LYTTC Friday Pro League event from 7 Oct 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.