This page explains how Doug Wruck (USATT# 10604)'s rating went from 1282 to 1421 at the South Bend Open held on - 28 Mar 1999. 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.