This page explains how Guenther Schroeder (USATT# 9813)'s rating went from 1590 to 1556 at the 78th Annual Michigan Closed held on - 18 Mar 2012. 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.