This page explains how Alan Duvall (USATT# 25205)'s rating went from 1335 to 1340 at the 29th Annual Bernard Hock Open held on - 12 Oct 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.