This page explains how Richard Martin (USATT# 81133)'s rating went from 2123 to 2098 at the Kansas City Bill Guilfoil Open held on 15 Apr 2016 - 17 Apr 2016. 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.