This page explains how Francis Kovach (USATT# 45514)'s rating went from 1675 to 1680 at the Greater Columbia August Invita held on - 11 Aug 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.