Andrzej Kozan
USATT#: 276119
1883 1873
2023 USATT Illinois State Championships
9 Sep 2023 - 10 Sep 2023
9 Sep 2023 - 10 Sep 2023
This page explains how Andrzej Kozan (USATT# 276119)'s rating went from 1883 to 1873 at the 2023 USATT Illinois State Championships held on 9 Sep 2023 - 10 Sep 2023. 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.