This page explains how Paul A Shelor (USATT# 24924)'s rating went from 1558 to 1443 at the 2017 Kansas City Spring Open held on 29 Apr 2017 - 30 Apr 2017. 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.