This page explains how Karl Sejkora (USATT# 9881)'s rating went from 1275 to 1325 at the Casper Open held on - 28 Sep 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.