This page explains how Michael Levin (USATT# 214419)'s rating went from 1509 to 1462 at the South Bend Open held on - 16 Mar 1997. 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.