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Thread: I was just reading in Exh: CAA that you essentially if you play 6:5 BJ.

  1. 10-24-2017, 07:05 AM #1
    BigJer
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    I was just reading in Exh: CAA that you essentially if you play 6:5 BJ.

    That if you take insurance bet then the bet is 2/5 and not 1/2. Is that due to that they might only give you even dollar amounts for your bets?

    (I don't want a flame war on not to play 6:5!!! OK?? I was just reading it in passing.!!)
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  2. 10-24-2017, 08:02 AM #2
    AndretheGiant
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    The 6 to 5 tables I have seen you still can take insurance for 1/2 your bet.
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  3. 10-24-2017, 08:10 AM #3
    Three
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    Might be some more of Grosjean's humor.
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  4. 10-24-2017, 08:12 AM #4
    BigJer
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    Here's what he said:

    [If you ever happen to play 6:5 "blackjack ," a bastardized single-deck game now prevalent in Las
    Ve gas, and you have a $5 wager riding on a natural against an Ace up, tell the dealer, "Just gimme
    $4.'' I'll wager any sum that there is not a single dealer (or pit boss) in Las Ve gas who has figured
    out that an insurance wager i = (2/5)b will produce a guarant eed payoff of (4/5)b, which would be
    $4 on a $5 wager.]
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  5. 10-24-2017, 08:30 AM #5
    Meistro123
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    probably not a great idea to show off how smart u r to the pitboss
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  6. 10-24-2017, 08:32 AM #6
    BigJer
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    Quote Originally Posted by Meistro123 View Post
    probably not a great idea to show off how smart u r to the pitboss
    But why the 2/5 instead of the 1/2?
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  7. 10-24-2017, 08:41 AM #7
    Three
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    Quote Originally Posted by BigJer View Post
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    Here's what he said:

    [If you ever happen to play 6:5 "blackjack ," a bastardized single-deck game now prevalent in Las
    Ve gas, and you have a $5 wager riding on a natural against an Ace up, tell the dealer, "Just gimme
    $4.'' I'll wager any sum that there is not a single dealer (or pit boss) in Las Ve gas who has figured
    out that an insurance wager i = (2/5)b will produce a guarant eed payoff of (4/5)b, which would be
    $4 on a $5 wager.]
    Insurance at full amount pays $5 so you but if the dealer doesn't have BJ you win $6 and lose $2.50 for a net win of $3.50. If you place the insurace bet at 1/2 your bet you either win $5 if the dealer has BJ or win $3.50 if he doesn't. If you want to win the same whether the dealer has BJ or not you bet $2 so you win $4 whether the dealer has BJ or not.
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  8. 10-24-2017, 08:54 AM #8
    refinery
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    I don't know what's wrong with me today, but I'm not getting this.

    Do you have the page number, Jer?
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  9. 10-24-2017, 08:56 AM #9
    BigJer
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    Quote Originally Posted by therefinery View Post
    i don't know what's wrong with me today, but i'm not getting this.

    Do you have the page number, jer?
    p. 203.
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  10. 10-24-2017, 09:03 AM #10
    BigJer
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    Quote Originally Posted by Three View Post
    Insurance at full amount pays $5 so you but if the dealer doesn't have BJ you win $6 and lose $2.50 for a net win of $3.50. If you place the insurace bet at 1/2 your bet you either win $5 if the dealer has BJ or win $3.50 if he doesn't. If you want to win the same whether the dealer has BJ or not you bet $2 so you win $4 whether the dealer has BJ or not.

    Got it. Thanks. I keep forgetting that when you have a question work out each case.
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  11. 10-24-2017, 02:06 PM #11
    DSchles
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    Quote Originally Posted by Three View Post
    Insurance at full amount pays $5 so you but if the dealer doesn't have BJ you win $6 and lose $2.50 for a net win of $3.50. If you place the insurace bet at 1/2 your bet you either win $5 if the dealer has BJ or win $3.50 if he doesn't. If you want to win the same whether the dealer has BJ or not you bet $2 so you win $4 whether the dealer has BJ or not.
    While, of course, this is correct, the question is, "Why would you want to do it?" In 3:2 BJ, when it's correct to insure, the payoff is identical either way. But, in 6:5 BJ, if you insure for half your $5 bet, the payoff is either $5 or $3.50. Since, by definition, you're only insuring when the chance that the dealer has a natural is greater than one-third, you ought to bet the full $2.50, which will make your ultimate e.v. greater than the certain $4 either way.

    Don
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  12. 10-24-2017, 02:22 PM #12
    Three
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    Quote Originally Posted by DSchles View Post
    While, of course, this is correct, the question is, "Why would you want to do it?" In 3:2 BJ, when it's correct to insure, the payoff is identical either way. But, in 6:5 BJ, if you insure for half your $5 bet, the payoff is either $5 or $3.50. Since, by definition, you're only insuring when the chance that the dealer has a natural is greater than one-third, you ought to bet the full $2.50, which will make your ultimate e.v. greater than the certain $4 either way.

    Don
    I think everyone here was thinking that so I didn't think it needed stated.
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