This page explains how Gary S. Schlager (USATT# 13869)'s rating went from 1556 to 1589 at the The 7th Annual MD Medallion Ch held on - 15 May 2004. 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.