Donn S. Olsen
USATT#: 8823
1772 1971
LYTTC March 2019 Open
23 Mar 2019 - 23 Mar 2019
23 Mar 2019 - 23 Mar 2019
This page explains how Donn S. Olsen (USATT# 8823)'s rating went from 1772 to 1971 at the LYTTC March 2019 Open held on 23 Mar 2019 - 23 Mar 2019. 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.