Sean Koster
USATT#: 212045
1640 1618
AZ PTTC Monday
5 Feb 2018
5 Feb 2018
This page explains how Sean Koster (USATT# 212045)'s rating went from 1640 to 1618 at the AZ PTTC Monday event from 5 Feb 2018. 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.