This page explains how Jeffrey Von Kohorn (USATT# 76011)'s rating went from 1402 to 1382 at the QTTC March Open held on - 28 Mar 2010. 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.