Derrick Cone
USATT#: 64672
1989 1977
AZ PTTC Monday
24 Oct 2011
24 Oct 2011
This page explains how Derrick Cone (USATT# 64672)'s rating went from 1989 to 1977 at the AZ PTTC Monday event from 24 Oct 2011. The links below take you to pages that describe various aspects of the rating processor.
Introduction
Initial Rating
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.