This page explains how Robert A. Kyker (USATT# 7485)'s rating went from 1692 to 1670 at the Oklahoma City Summer Open RR held on - 22 Sep 2001. 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.