Improvements to Increase the Efficiency of the AlphaZero Algorithm: A Case Study in the Game ’Connect 4’

Colin Clausen; Simon Reichhuber; Ingo Thomsen; Sven Tomforde

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Paper

Improvements to Increase the Efficiency of the AlphaZero Algorithm: A Case Study in the Game ’Connect 4’

Topics: Agent Models and Architectures; Deep Learning; Neural Networks; Simulation; State Space Search

In Proceedings of the 13th International Conference on Agents and Artificial Intelligence - Volume 2: ICAART, 803-811, 2021

Authors: Colin Clausen ¹ ; Simon Reichhuber ² ; Ingo Thomsen ² and Sven Tomforde ²

Affiliations: ¹ PCT Digital GmbH, Fleethörn 7, 24103 Kiel, Germany ; ² Intelligent Systems, Christian-Albrechts-Universität zu Kiel, 24118 Kiel, Germany

Keyword(s): AlphaZero, Connect 4, Evolutionary Process, Tree Search, Network Features.

Abstract: AlphaZero is a recent approach to self-teaching gameplay without the need for human expertise. It suffers from the massive computation and hardware requirements, which are responsible for the reduced applicability of the approach. This paper focuses on possible improvements with the goal to reduce the required computation resources. We propose and investigate three modifications: We model the self-learning phase as an evolutionary process, study the game process as a tree and use network-internal features as auxiliary targets. Then behaviour and performance of these modifications are evaluated in the game Connect 4 as a test scenario.

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Paper citation in several formats:

Clausen, C.; Reichhuber, S.; Thomsen, I. and Tomforde, S. (2021). Improvements to Increase the Efficiency of the AlphaZero Algorithm: A Case Study in the Game ’Connect 4’. In Proceedings of the 13th International Conference on Agents and Artificial Intelligence - Volume 2: ICAART; ISBN 978-989-758-484-8; ISSN 2184-433X, SciTePress, pages 803-811. DOI: 10.5220/0010245908030811

@conference{icaart21,
author={Colin Clausen. and Simon Reichhuber. and Ingo Thomsen. and Sven Tomforde.},
title={Improvements to Increase the Efficiency of the AlphaZero Algorithm: A Case Study in the Game ’Connect 4’},
booktitle={Proceedings of the 13th International Conference on Agents and Artificial Intelligence - Volume 2: ICAART},
year={2021},
pages={803-811},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010245908030811},
isbn={978-989-758-484-8},
issn={2184-433X},
}

TY - CONF

JO - Proceedings of the 13th International Conference on Agents and Artificial Intelligence - Volume 2: ICAART
TI - Improvements to Increase the Efficiency of the AlphaZero Algorithm: A Case Study in the Game ’Connect 4’
SN - 978-989-758-484-8
IS - 2184-433X
AU - Clausen, C.
AU - Reichhuber, S.
AU - Thomsen, I.
AU - Tomforde, S.
PY - 2021
SP - 803
EP - 811
DO - 10.5220/0010245908030811
PB - SciTePress