### Author Topic: BlackJack and the iterated prisoners dilemma  (Read 102 times)

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##### BlackJack and the iterated prisoners dilemma
« on: February 13, 2018, 12:15:42 AM »
Anyone know both of the things im talking about? Anyone ever hear of them together?

Ive been playing alot of blackjack and i have a theory about it.

It seems when people get greedy (at my casino) and they "defect" from the optimal strategy, the entire table loses.

Ive been doing alot of research on the prisoners dilemma and think that the shuffle machines use a combination of nash equilibria and the iterated prisoners dilemma.

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##### Re: BlackJack and the iterated prisoners dilemma
« Reply #1 on: February 13, 2018, 12:20:44 AM »
I also see alot of hands on the table equating to one less than the dealers hand usually. Or everyone at the table has close to 20, the dealer has a LOW card indicating most people to either double, or hit (something risky) and ONE player has less than 10 so they have to hit (and do what i assume is take the dealers bust card) and the player who has less than 10 takes the dealers bust card and BECAUSE the one player didnt do what the rest of the players did and they DEFECTED the dealer wins usually.

#### scepticus

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##### Re: BlackJack and the iterated prisoners dilemma
« Reply #2 on: February 13, 2018, 01:53:28 AM »
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do you mean that the player with less than 10 should NOT take another card ?

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##### Re: BlackJack and the iterated prisoners dilemma
« Reply #3 on: February 13, 2018, 02:17:42 AM »
@scep you are very smart. yes. this is what im saying because withing the prisoners dilemma, its all about being selfish. the person who decides to DEFECT from the team makes out with all the loot, or gets no jail time. And they decide that defecting is much better for them, and when that happens the team suffers at the expense of the defector and everyone gets a maximum sentence had everyone not told the cops what the story was. If no one had talked everyone would have gotten off.

#### scepticus

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##### Re: BlackJack and the iterated prisoners dilemma
« Reply #4 on: February 13, 2018, 02:27:16 AM »
I'll settle for very  smart

#### Jesper

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##### Re: BlackJack and the iterated prisoners dilemma
« Reply #5 on: February 13, 2018, 07:01:19 AM »
An experienced blackjack  player do not bother, as he knows it has no effect in the long run, this question has been discussed much on Blackjack sites and Wizard of Odds, and they regard it as a sign of no experience show any sign of it is a problem while gaming. Do not blame the guy sitting left!!

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##### Re: BlackJack and the iterated prisoners dilemma
« Reply #6 on: February 13, 2018, 07:06:38 AM »