This page explains how Eduardo Cardenas (USATT# 88181)'s rating went from 1680 to 1652 at the Robo-Pong September 2014 BTTC Open held on - 14 Sep 2014. 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.