This page explains how Brad Balmer (USATT# 4037)'s rating went from 1681 to 1690 at the 2013 Arizona Closed held on - 28 Apr 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.