Donna Jean Sakai
USATT#: 8644
1619 1668
2020 Arizona Open and Giant Round Robin
22 Feb 2020 - 22 Feb 2020
22 Feb 2020 - 22 Feb 2020
This page explains how Donna Jean Sakai (USATT# 8644)'s rating went from 1619 to 1668 at the 2020 Arizona Open and Giant Round Robin held on 22 Feb 2020 - 22 Feb 2020. 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.