This page explains how Robert A. Kyker (USATT# 7485)'s rating went from 1654 to 1611 at the 2011 Missouri Winter Games Open held on - 19 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.