This page explains how Louis Radzeli (USATT# 42580)'s rating went from 1784 to 1743 at the Ohio Closed held on - 5 May 1996. 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.