This page explains how Robert A. Kyker (USATT# 7485)'s rating went from 1642 to 1608 at the 1999 Kansas Late Summer Classi held on - 11 Sep 1999. 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.