Cory Johnson
USATT#: 29085
1991 1981
PPC December Open
9 Dec 2017 - 10 Dec 2017
9 Dec 2017 - 10 Dec 2017
This page explains how Cory Johnson (USATT# 29085)'s rating went from 1991 to 1981 at the PPC December Open held on 9 Dec 2017 - 10 Dec 2017. 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.