Donn S. Olsen
USATT#: 8823
1845 1816
NYISC September 2016 Open
18 Sep 2016 - 18 Sep 2016
18 Sep 2016 - 18 Sep 2016
This page explains how Donn S. Olsen (USATT# 8823)'s rating went from 1845 to 1816 at the NYISC September 2016 Open held on 18 Sep 2016 - 18 Sep 2016. 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.