💰 Why fewer decks are better for the blackjack player | Possibly Wrong

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Expected value (in percent of initial wager) vs. number of decks, you should always hit a hard 16 against a dealer 10, no matter how that hard.


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Detailed analysis of why single deck games are so much better in blackjack than multi deck games. Also includes a look at why is always a bad choice.


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Detailed analysis of why single deck games are so much better in blackjack than multi deck games. Also includes a look at why is always a bad choice.


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In most blackjack variations there is a direct effect of the number of decks in use on the house edge. number of decks in use as the use of any other number of decks would not sit well with some of the rules. Why Number of Decks Matters.


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If you play blackjack, you've probably heard that fewer decks are better for the player. And if all other rules are equal, that's true. The house.


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If you play blackjack, you've probably heard that fewer decks are better for the player. And if all other rules are equal, that's true. The house.


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why does the number of decks matter in blackjack

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Detailed analysis of why single deck games are so much better in blackjack than multi deck games. Also includes a look at why is always a bad choice.


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Detailed analysis of why single deck games are so much better in blackjack than multi deck games. Also includes a look at why is always a bad choice.


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If you play blackjack, you've probably heard that fewer decks are better for the player. And if all other rules are equal, that's true. The house.


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Detailed analysis of why single deck games are so much better in blackjack than multi deck games. Also includes a look at why is always a bad choice.


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why does the number of decks matter in blackjack

In other words, we fix the strategy that is optimal to the right, and evaluate that strategy for smaller numbers of decks to the left. You are commenting using your Google account. March 5, at am. Expected value vs. Email required Address never made public. February 2, at pm. Once again, no such luck. Of course, the absolute expected return in such a game will be miserable. But the initial increase in strategy complexity, to a local maximum at 54 decks is, well, weird. If my speculation is correct, then as before, the trend in expected return should flatten out. March 11, at pm. First, in the game with a single deck, the player actually has the advantage over the house! The answer that I see and hear most commonly is similar to that on the above-referenced Wikipedia page :. Expected value in percent of initial wager vs. You are commenting using your WordPress. Do you know any other places that generate basic strategies? Post to Cancel. It currently only supports late surrender i. Are you looking to answer any specific question s using the software, or is this just out of curiosity? Blog at WordPress. If there is sufficient interest, I can see what it would take to incorporate early surrender as another option. Hopefully someone may be able to shed some light on this, by either pointing out errors in my calculations, suggesting additional factors that I am missing, or even just suggesting an appropriate way to compare the relative contribution of these two factors.

There are many different variations on the rules of blackjack : the dealer may stand or hit on a soft 17, the player may or may not be able to split pairs more than once, etc.

Possibly Wrong. Home About. There are a couple of interesting observations. You are commenting using your Facebook account. Notify me of new comments via email.

It also reflects a why does the number of decks matter in blackjack likelihood of blackjack-blackjack push in a game with fewer decks. I have never bought this. The game may also be played with different numbers of card decks, from just a single deck to as many as 8 decks cards shuffled together.

This is not quite what I expected to see. Number of composition-dependent exceptions to total-dependent strategy, vs. But the point is that, if the above claim is correct, then the trend in expected return vs. For each number of decks, we count how many exceptions there are to total -dependent strategy, where each exception consists of a particular player hand composition and dealer up card.

Like this: Like Loading This entry was posted in Uncategorized. Although it is true that player blackjacks are indeed more likely with fewer decks and pushed blackjacks are why does the number of decks matter in blackjack likelyI thought that this was a secondary effect, and the real reason for the trend in overall expected return was something more information-theoretic, so to speak.

MGP has an excellent program that supports the rule variations you want at BlackjackInfo. Post was not sent - check your email addresses! To address your comment, this is what I tried to do in the last plot in this post.

So I am trying to use your software to verify it. The first question is relatively easy to answer; the following plot shows the optimal expected value of a round of blackjack, in percent of initial wager, as a function of the number of decks used.

Learn how your comment data is processed. My view has been that the main reason is that, with fewer decks, each individual card dealt from the shoe https://a-pokrovskaya.ru/blackjack/how-to-make-a-blackjack-machine-in-minecraft.html more information to the player than a card dealt from a larger shoe.

You are commenting using your Twitter account. It is hard to get a correct basic strategy. This mainly reflects an increased likelihood of player blackjack [my emphasis]since if the players draws a ten on their first card, the subsequent probability of drawing an ace is higher with fewer decks.

No such luck; following is the same plot as above, but with the addition of the red points indicating the optimal expected return for the player in the game why does the number of decks matter in blackjack blackjacks.

Siesta alegre hacienda importantly, the trend is clear: fewer decks are better for the player. January 31, at pm. At this point, I am stumped. Bookmark the permalink.

Which brings us to the question motivating this post: why are fewer decks better for the player? Sorry, your blog cannot share posts by email.

Notify me of new posts via email. Pingback: Why fewer decks are better for the blackjack player Possibly Wrong. But I think I have a more concrete answer now; see the latest post for details. Skip to content. Search for:. Maybe someone can provide an explanation? Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in:. The website has some rules that I can specify and your software has some other rules that I can specify. What do you think? This site uses Akismet to reduce spam. That is, with fewer decks, each new card seen causes a larger change in the distribution of card ranks not yet seen i. February 1, at pm. Sorry for the greatly-delayed reply, this week kept me from getting back to thinking about this problem. Holy says:. But neither of them have the complete rules for one to specify. Look at delta EV for the same composition dependent departure s at different numbers of decks. Name required. Hope this helps!