This page explains how Derrick Cone (USATT# 64672)'s rating went from 1927 to 1930 at the 2016 Arizona Sizzler held on 23 Jul 2016 - 24 Jul 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.