Zbigniew Sobolak
USATT#: 222978
1911 1831
Vernon Hills Summer Open
29 Jul 2018 - 29 Jul 2018
29 Jul 2018 - 29 Jul 2018
This page explains how Zbigniew Sobolak (USATT# 222978)'s rating went from 1911 to 1831 at the Vernon Hills Summer Open held on 29 Jul 2018 - 29 Jul 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.