Ivan Kerns
USATT#: 42157
1449 1398
Keystone State Games
- 29 Jul 2012
- 29 Jul 2012
This page explains how Ivan Kerns (USATT# 42157)'s rating went from 1449 to 1398 at the Keystone State Games held on - 29 Jul 2012. 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.