Real Valued Card Counting Strategies for the Game of Blackjack

Card counting is a family of casino card game advantage gambling strategies, in which a player keeps a mental tally of the cards played in order to calculate whether the next hand is likely to be in the favor of the player or the dealer. A card counting system…

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Card counting is a family of casino card game advantage gambling strategies, in which a player keeps a mental tally of the cards played in order to calculate whether the next hand is likely to be in the favor of the player or the dealer. A card counting system assigns point values (weights) to the cards. Summing the point values of the already played cards gives a concise numerical estimate of how advantageous the remaining cards are for the player. In theory, any assignment of weights is permissible. Historically, card counting systems used integers and rarely the 1/2 and 3/2 fractions, as computation with these are easier and more tractable for the human memory.

In this paper we investigate how much advantage would a system using real valued weights provide. Using a blackjack simulator and a simple genetic algorithm, we evolved weights vectors for ace-neutral and ace-reckoned balanced strategies with a fitness function that indicates how much a given strategy empirically under or outperforms a simple card counting system. After convergence, we evaluated the systems in the three efficiency categories used to characterize card counting strategies: playing efficiency, betting and insurance correlation. The obtained systems outperform classical integer count techniques, offering a better balance of the efficiency metrics. Finally, by applying rounding and scaling, we transformed some real valued strategies to integer point counts and found that most of the systems’ extra edge is preserved. However, because of the large weight values, it is unlikely that these systems can be played quickly and accurately even by professional card counters.

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Authors and Affiliations

  1. Computational Intelligence Research Group, Sapientia Hungarian University of Transylvania, Târgu-Mureş, Romania

Mózes Vidámi, László Szilágyi & David Iclanzan 65. Physiological Controls Research Center, Obuda University, Budapest, Hungary

László Szilágyi 66. Department of Control Engineering and Information Technology, Budapest University of Technology and Economics, Budapest, Hungary

László Szilágyi Authors68. Mózes VidámiView author publicationsYou can also search for this author in PubMed Google Scholar 69. László SzilágyiView author publicationsYou can also search for this author in PubMed Google Scholar 70. David IclanzanView author publicationsYou can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to David Iclanzan .

  1. Computational Intelligence Research Group, Sapientia Hungarian University of Transylvania, Târgu-Mureş, Romania

Mózes Vidámi, László Szilágyi & David Iclanzan 74. Physiological Controls Research Center, Obuda University, Budapest, Hungary

László Szilágyi 75. Department of Control Engineering and Information Technology, Budapest University of Technology and Economics, Budapest, Hungary

László Szilágyi Authors77. Mózes VidámiView author publicationsYou can also search for this author in PubMed Google Scholar 78. László SzilágyiView author publicationsYou can also search for this author in PubMed Google Scholar 79. David IclanzanView author publicationsYou can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to David Iclanzan .

Editors and Affiliations

  1. Department of AI, Ping An Life, Shenzhen, China

Haiqin Yang 84. Faculty of Information Technology, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand

Kitsuchart Pasupa 85. City University of Hong Kong, Kowloon, China

Andrew Chi-Sing Leung 86. Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Hong Kong, Hong Kong

James T. Kwok 87. School of Information Technology, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand

Jonathan H. Chan 88. The Chinese University of Hong Kong, New Territories, Hong Kong

Irwin King 89. Department of AI, Ping An Life, Shenzhen, China

Haiqin Yang 90. Faculty of Information Technology, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand

Kitsuchart Pasupa 91. City University of Hong Kong, Kowloon, China

Andrew Chi-Sing Leung 92. Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Hong Kong, Hong Kong

James T. Kwok 93. School of Information Technology, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand

Jonathan H. Chan 94. The Chinese University of Hong Kong, New Territories, Hong Kong

Irwin King Reprints and permissions

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Cite this paper

Vidámi, M., Szilágyi, L., Iclanzan, D. (2020). Real Valued Card Counting Strategies for the Game of Blackjack. In: Yang, H., Pasupa, K., Leung, A.CS., Kwok, J.T., Chan, J.H., King, I. (eds) Neural Information Processing. ICONIP 2020. Lecture Notes in Computer Science(), vol 12533. Springer, Cham. https://doi.org/10.1007/978-3-030-63833-7_6

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Vidámi, M., Szilágyi, L., Iclanzan, D. (2020). Real Valued Card Counting Strategies for the Game of Blackjack. In: Yang, H., Pasupa, K., Leung, A.CS., Kwok, J.T., Chan, J.H., King, I. (eds) Neural Information Processing. ICONIP 2020. Lecture Notes in Computer Science(), vol 12533. Springer, Cham. https://doi.org/10.1007/978-3-030-63833-7_6

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  • DOI: https://doi.org/10.1007/978-3-030-63833-7_6

  • Published: 20 November 2020

  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-63832-0

  • Online ISBN: 978-3-030-63833-7

  • eBook Packages: Computer ScienceComputer Science (R0)

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FAQ

Can you use a strategy card in blackjack?

Yes, you can use betting strategies in blackjack, in addition to following the blackjack cheat sheet.Aug 21, 2024

Do you hit 13 against a 2?

Player 21: In the event your point total equals 21 (not Blackjack), you automatically win and the dealer will pay you even money. Five Card Trick: In the event you draw 5 cards to a hand without exceeding 21, you automatically win and the Dealer will pay you even money.

Can you have a blackjack strategy card?

Not only do all casinos I know allow strategy cards or books, most will give you a card with basic strategy on it. The only restrictions are if you are slowing down play.Feb 7, 2012

What is the best card to hit in blackjack?

Player 21: In the event your point total equals 21 (not Blackjack), you automatically win and the dealer will pay you even money. Five Card Trick: In the event you draw 5 cards to a hand without exceeding 21, you automatically win and the Dealer will pay you even money.

What is the basic strategy in card counting?

Start counting cards with the Hi-Lo strategy, which assigns value to every card. You must keep a running count based off of each dealt card’s values to determine what’s left in the deck. Cards 2-6 have a value of +1, cards 7-9 have no value, and aces and face cards are worth -1.

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