This page explains how Bill Kochenderfer (USATT# 74416)'s rating went from 1793 to 1770 at the Sacramento March Open held on - 26 Mar 2011. 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.