This page explains how Ed Cohen (USATT# 25364)'s rating went from 1586 to 1591 at the Ping Pong Dojo event from 12 May 2011. 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.