This page explains how Francis Kovach (USATT# 45514)'s rating went from 1679 to 1656 at the Columbia Nov 2000 Giant RR held on - 12 Nov 2000. 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.