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Thread: Side counting aces in HI-LO

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    Side counting aces in HI-LO

    Continuing with the ASC topic, I am going to show you four different ways to do it and the SCORES that we can obtain with any of them.

    A)

    PC = -1 1 1 1 1 1 0 0 0 -1 (IRC = 0) (HI-LO)
    SC = 1 0 0 0 0 0 0 0 0 0 (IRC = -24)

    In this case we use the secondary count of aces for insurance bets only. We adjust the RC by doing "PC + SC". In this way the value of the ace will be ZERO increasing the HI-LO IC from 0.7647 to 0.8674.
    If you don't feel comfortable adding aces starting from -24 you can also do it by subtracting aces but starting the count at +24 and adjusting the RC to "PC - SC". The two forms are equivalent.
    The new index for insurance is no longer "+3" but "-1".
    For everything else we continue using HI-LO (PC).

    B)

    PC = -1 1 1 1 1 1 0 0 0 -1 (IRC = 0) (HI-LO)
    SC = 1 0 0 0 0 0 0 0 0 0 (IRC = -24)


    Here we also use the secondary count of aces only for insurance bets. The RC is calculated as "PC + 2*SC". Now the ace will be ONE increasing the IC of HI-LO from 0.7647 to 0.8908.
    Same as above, if you prefer to subtract aces you can change the value of the ace in SC to -1 and the IRC to +24. The RC is adjusted by doing "PC - 2*SC".
    The new index for insurance is no longer "+3" but "-5".
    For everything else we continue using HI-LO (PC).

    C)

    PC = 0 1 1 1 1 1 0 0 0 -1 (IRC = -24)
    SC = 1 0 0 0 0 0 0 0 0 0 (IRC = -24)

    Here the secondary count of aces is used only for betting purposes using RC = PC - SC. For playing we use the primary count (PC). This is an unbalanced count in which we
    can use the indices of HI-LO minus 4. Insurance index would be "-1" (+3 - 4) , 16vT would be "-4" (0 - 4) and so on.

    D)

    PC = -1 1 1 1 1 1 0 0 0 -1 (IRC = 0) (HI-LO)
    SC = 1 0 0 0 0 0 0 0 0 0 (IRC = 0)

    This is the case of "dynamic insurance" explained in other posts.
    The difference with the previous ones is that it is NOT necessary to adjust the RC.
    The secondary count is kept and depending on the aces that have come out, the value of the index is reduced accordingly.
    If we look closely the reduction in the index ALSO occurs in cases A, B and C.
    The reduction in the indices has to do with the imbalance of the count systems used. I think this is the explanation that many were requiring.

    Finally, I do not want to forget the old-fashioned method that many people still use. This is the case in which the RC is adjusted
    depending on whether we are above or below the expected average number of aces.
    I don't really care to explain it as I find it totally awkward to use and more prone to mistakes due to the additions and subtractions required for balancing.
    In my opinion cases A and B are far superior.

    Code:
    SCORES (6D,S17,DOA,DAS,SPA1,SPL3,NS,4.5/6,Play All,R22 indices,50 billion rounds,heads up)
    
    HI-LO alone
    
        1-12   1-16 
        21.15  25.00
    
    HI-LO w/ASC
    
        1-12   1-16 
    A   22.01  25.90
    B   22.15  26.04
    C   22.53  26.42
    D   21.51  25.36
    Enjoy.

    Sincerely,
    Cac

    PS: I forgot to mention that the above data is for 6D. If you need a different number of decks you can
    change the number 24 to 4*decks.
    Last edited by Cacarulo; 06-10-2022 at 07:58 PM.

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    Thanks I was looking for something like this post.

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    Quote Originally Posted by Cacarulo View Post
    Continuing with the ASC topic, I am going to show you four different ways to do it and the SCORES
    Sincerely,
    Cac
    I like your Method D a lot but am skeptical too. Earlier you showed 6-deck numbers as follows:
    Six decks
    Generic index: +3

    Dynamic index:
    12 or more aces came up: +2
    17 or more aces came up: +1
    19 or more aces came up: 0

    However, 6-decks are a rarity. Can you also show this method for 8-decks to convince me?

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    Quote Originally Posted by LoKee View Post
    Thanks I was looking for something like this post.
    You're welcome.

    Sincerely,
    Cac

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    Quote Originally Posted by aceside View Post
    I like your Method D a lot but am skeptical too. Earlier you showed 6-deck numbers as follows:
    Six decks
    Generic index: +3

    Dynamic index:
    12 or more aces came up: +2
    17 or more aces came up: +1
    19 or more aces came up: 0

    However, 6-decks are a rarity. Can you also show this method for 8-decks to convince me?
    6-decks are not a rarity.

    Code:
    
    Eight decks
    Generic index:
    +3 if aces >=  1 (prob: 0.029611)
    
    Dynamic index:
    +2 if aces >= 18 (prob: 0.022279)
    +1 if aces >= 23 (prob: 0.007769)
     0 if aces >= 25 (prob: 0.004744)
    -1 if aces >= 27 (prob: 0.000849)
    -2 if aces >= 29 (prob: 0.000106)
    -3 if aces >= 30 (prob: 0.000025)
    
    If you look carefully, you will notice that a dynamic index less than +2 is very unlikely to occur.

    Sincerely,
    Cac
    Last edited by Cacarulo; 06-10-2022 at 07:40 PM.

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    0 out of 1 members found this post helpful. Did you find this post helpful? Yes | No
    Quote Originally Posted by Cacarulo View Post
    6-decks are not a rarity.

    Code:
    
    Eight decks
    Generic index:
    +3 if aces >=  1 (prob: 0.029611)
    
    Dynamic index:
    +2 if aces >= 18 (prob: 0.022279)
    +1 if aces >= 23 (prob: 0.007769)
     0 if aces >= 25 (prob: 0.004744)
    -1 if aces >= 27 (prob: 0.000849)
    -2 if aces >= 29 (prob: 0.000106)
    -3 if aces >= 30 (prob: 0.000025)
    
    If you look carefully, you will notice that a dynamic index less than +2 is very unlikely to occur.

    Sincerely,
    Cac
    I don't quite understand your probability part, but your probability numbers seem small.
    Let me give you my estimate of the true count (TC) probability.
    For a 6-deck game with a 4.5/6 pen, the probability of TC>+3 for any density of aces should be about 18%.

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    Aceside, are you saying the frequency of true count greater than +3 is 18%? That is way off. It’s closer to 3% maybe even a little less

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    5.21%.

    Don

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    Senior Member Gramazeka's Avatar
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    Quote Originally Posted by DSchles View Post
    5.21%.

    Don
    Pen 4.5/6
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    0 out of 1 members found this post helpful. Did you find this post helpful? Yes | No
    Quote Originally Posted by Green21 View Post
    Aceside, are you saying the frequency of true count greater than +3 is 18%? That is way off. It’s closer to 3% maybe even a little less
    I just re-estimated this number and found that my number of 18% is way off. This also means that my earlier estimate of the insurance flat-bet number is way off too.

    Don's number looks fine, but Gramazaka's graph numbers are hard to read. What are these numbers?

  11. #11


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    Quote Originally Posted by aceside View Post
    I just re-estimated this number and found that my number of 18% is way off. This also means that my earlier estimate of the insurance flat-bet number is way off too.

    Don's number looks fine, but Gramazaka's graph numbers are hard to read. What are these numbers?
    I would like to understand your estimation techniques, as this figure can be accurately computed using sims or combinatorial analysis
    Chance favors the prepared mind

  12. #12


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    Random probability of HiLo running count 4 with 78 cards remaining from 6 decks = .04970; true count = 2.67
    Random probability of HiLo running count 5 with 78 cards remaining from 6 decks = .04501; true count = 3.33

    Cacarulo could verify these values.

    However, end of round probabilities resulting from dealing blackjack may not be entirely random so these are probably best determined by simulation rather than combinatorial analysis.

    A simple example is HiLo running count of +4 with 308 cards remaining from 6 decks given 1 player versus dealer. Random prob=.02121. Actual prob=0 because first round will never end with RC = +4.

    As deal progresses variables such as number of players and players' strategies also affect end of round shoe composition. Just how much all of this varies end of round probs from truly random values could only realistically be determined by simulation.

    k_c

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    Senior Member BigJer's Avatar
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    My feeling on this is, if you are using an Ace side count then, go to a level 2 count; HiOPTII w/ASC.
    My Ability in Blackjack is a Gift from God!!

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