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Thread: how to set new sim in CVCX with custom true count calculation

  1. #1


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    how to set new sim in CVCX with custom true count calculation

    Hi there,
    I have a problem/question that I need some help with

    I want to run sim with custom method of true calculation but i dont know how to fill the columns.

    What I want to do is this: for ex. if RC is 3 with 5.5 decks behind if we choose round method will give us TC=1, but if we choose truncate or flor will give us TC=0 also if RC is -2 with 4 decks left, round method will say TC=0, truncate TC=-1 etc etc

    I want to run sim and calculate EV of strategy that is kinda more reasonable/logical for me
    -if RC is negative i want to always play min bet if RC is positive but TC=0 (for ex RC=3 with 5.5 decks left to play i want to play bet that i have for TC=0)
    - if RC/TC is bigger then ~x.6 i want to play higher bet (because i will use 0.5x kelly) for ex if there are 5,5 decks left and RC=9 or 10 (9/5.5=1.6) i want to play bet that i have for TC=2, in same example if RC=3 with 5.5 decks left (3/5.5=0.5) i want top play bet for TC=0


    So my question is how to set up that kind of sim???

    this is default custom true count table https://gyazo.com/b9a0d8024507f8425c68cd7d0b8136bd

    I think i need something like this (also not sure if this is correct approach to set up sim) to get the sim i want but dont know what values should i fill into columns (for divisor) and how many rows should i have?? https://gyazo.com/62c65bb94b9f94ecb1d33a2fce8642dc

    In other words what I want to do is to divide RC with ~exact card deck left (not really exact card, quarter deck will be great too imo) to get TC and then if TC>= X.7 to round up and if TC<X.7 to round down Ex. RC=6, 3.5 deck left 6/3.5=1.7 i want to play bet for TC=2 in same spot RC=5, 3.5 deck left 5/3.5=1.4 i want to play bet for TC=1

    Can some one help me please

  2. #2
    Random number herder Norm's Avatar
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    Sorry, no way to change the definition of rounding from those in the software. Never been requested before and not heard of anyone doing this.
    "I don't think outside the box; I think of what I can do with the box." - Henri Matisse

  3. #3


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    You have two choices.
    First, look at your sims utilizing full true counts floored. Then, run the same input numbers except set CVCX to half true counts. You’ll notice a difference.

    Second, do it manually in your head as you’re playing. You mentioned RC 3 with 5.5 decks remaining. Think of an equivalent RC with 5.0 decks remaining, which is 6.

    Don’t try to reinvent the wheel. Use the tools already available.

  4. #4


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    tx for your replies

    By this
    Quote Originally Posted by Freightman View Post
    You have two choices.
    First, look at your sims utilizing full true counts floored. Then, run the same input numbers except set CVCX to half true counts. You’ll notice a difference.


    you mean I should do this => https://gyazo.com/8cda69360519287cdfdd9d7ee836d74a
    and compare to this => https://gyazo.com/123aa8d47ec70aa91faecbcd3d779c6d


    The thing is that this is very specific BJ game
    - EU BJ with no hole card
    - stand soft 17
    - surrender on A allowed
    - split 2 times to form 3 hands
    - very good penetration ~90 cards

    So I imagine that specific strategy adjustment should be done...

    I am playing the way I describe using this betting strategy =>https://gyazo.com/4c42777e7f8a88edecfeec9421396700

    and in expected results graph it is showing that i run way way above EV for ~1500 rounds that i haved played so far ( I put value for standard deviation and expected win rate from results i got from sim i made in CVCX) => https://gyazo.com/86e3d0dea5cf72fd1b8ef20d8d2895ae

    honestly i dont feel/think that i run that good, here are stats => https://gyazo.com/ea4b5c10299ff221fb65aedc5ff76e88


    so I was wondering did i put correct stats/values for standard deviation and win rate in expected results graph

    here is the sim from which I get inputs from CVCX =>https://gyazo.com/657506c9b13ea514dec0403165745dd5
    Last edited by blackwitch; 07-02-2021 at 03:07 PM.

  5. #5


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    i just figure out something because i am playing 2 hands at time maybe i should i 2x standard deviation (instead of 22=>44) and 2x win rate (instead of 0.23=> 0.46) https://gyazo.com/86e3d0dea5cf72fd1b8ef20d8d2895ae ?????

  6. #6


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    you mean I should do this => https://gyazo.com/8cda69360519287cdfdd9d7ee836d74a
    and compare to this => https://gyazo.com/123aa8d47ec70aa91faecbcd3d779c6d


    The thing is that this is very specific BJ game
    - EU BJ with no hole card
    - stand soft 17
    - surrender on A allowed
    - split 2 times to form 3 hands
    - very good penetration ~90 cards

    So I imagine that specific strategy adjustment should be done...
    True Count Flooring is correct. You’re playing ENHC, so the game is almost certainly 6 or 8 deck. Deck resolution should be set for full deck. Strategy adjustments apply to S17 and other typical deviations standard in a HC or NHC game. No doubles 10 on 10 or 10 v ace or 11 v 10. Split aces against 10 is okay but no ace splits v dealer ace. No 88 splits v dealer 10 or ace (consider surrender). Others I’m sure, but I’m watching tv right now.

    I am playing the way I describe using this betting strategy =>https://gyazo.com/4c42777e7f8a88edecfeec9421396700
    Looks fine. You have some nice additional deviations available, depending on house rules, in negative counts. Also, depending on house tolerance and to keep things “optimal”, consider an increased true 3 and true 4 bet. And, if house tolerance really there, and you have the strength of bankroll, consider and even higher true 5 and above bet.

  7. #7


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    Quote Originally Posted by blackwitch View Post
    i just figure out something because i am playing 2 hands at time maybe i should i 2x standard deviation (instead of 22=>44) and 2x win rate (instead of 0.23=> 0.46) https://gyazo.com/86e3d0dea5cf72fd1b8ef20d8d2895ae ?????
    The numbers are going to change, so the real determining issue is your strength of bankroll. If your roll is really strong and you want to maximize EV, leave betting strategy as is and deviate based on post above. If you’re somewhat weakish, reduce bets by approx 25% which should take covariance into account.

    Please note I’ve not skimmed anything on this or post above. Everything is off the top of my head. Also all answers regardless of bankroll strength, presume a reasonable ROR.

    Also, I’ve based spread in .5 he, but it looks like your house edge is even better, which would change optimal bets. Last, if you can surrender against dealer ace early, wow and it also means you have ES10 - another wow. Just clarify if surrender is after dealer peek.
    Last edited by Freightman; 07-03-2021 at 04:22 PM.

  8. #8


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    Quote Originally Posted by Freightman View Post
    The numbers are going to change, so the real determining issue is your strength of bankroll. If your roll is really strong and you want to maximize EV, leave betting strategy as is and deviate based on post above. If you’re somewhat weakish, reduce bets by approx 25% which should take covariance into account.

    Please note I’ve not skimmed anything on this or post above. Everything is off the top of my head. Also all answers regardless of bankroll strength, presume a reasonable ROR.

    Also, I’ve based spread in .5 he, but it looks like your house edge is even better, which would change optimal bets. Last, if you can surrender against dealer ace early, wow and it also means you have ES10 - another wow. Just clarify if surrender is after dealer peek.
    yea no hole card and you can surrender if dealer has A

  9. #9


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    Quote Originally Posted by blackwitch View Post
    yea no hole card and you can surrender if dealer has A
    Nice game, especially if it’s 6d v 8d. The annoyance of ENHC rules is more than amply compensated by S17 and ES. Splitting aces only twice v 3 times is minor. Hope I’ve helped.

  10. #10


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    Quote Originally Posted by Freightman View Post
    Nice game, especially if it’s 6d v 8d. The annoyance of ENHC rules is more than amply compensated by S17 and ES. Splitting aces only twice v 3 times is minor. Hope I’ve helped.
    yea tx for your answers and your time

    is pretty much dream game

    - 6 decks
    - no hole card EU BJ
    - penetration like 75-90 cards
    - if you play alone you must play 2 seats minimum
    - 2-100/ 5-200/ 10-300/ 25- 500 are table limits
    - dealer stands on A6
    - you can re split 2x to form 3 hands (AA included)
    - you can surrender any 2 cards even if dealer have A

  11. #11


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    hey there

    i have couple more follow up question to make sure i am not doing something wrong... (btw i dont think i need to open new thread to ask this ...)

    https://gyazo.com/622472fe0c528262949458f6529f34cf

    i got this result (left table) from playing ~9500 hands with my strategy in CVBJ v5.6 (N0 is ~9k)... right table is from sim from CVCX...

    my questions are:
    1) is win rate in first table (CVBJ v. 5.6) = win/loss column in second table (CVCX)
    for ex. should I have win rate at TC 3 (left table) = win/loss at TC 3 (right table) if I run exactly at EV???
    so in this example i have win rate ate TC 3 (left table/ CVBJ v 5.6) +1.89% but from table from sim (right table from CVCX) at TC 3 win/loss is +2.38% which will translate that i run under EV at TC 3 so far at sample of hands i haved played??

    2) Is N0 hands or rounds ( i haved played ~5k rounds but 9,5k hands)???
    Is 1x N0 = number of hands (or rounds) one need to play to overcome variance from 1 standard deviation so in reality to hit "exactly" (closer to) EV one need to play min 3x N0 (because 3 standard deviations)???


    sorry if this are stupid questions but I read help/instrustions and not sure if i understand it correctly ( i am not native english speaker obv)

  12. #12
    Random number herder Norm's Avatar
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    The win rates have the same meaning. But, this is nowhere near a meaningful number of hands for TC stats.

    3SD would require 9xN0.
    "I don't think outside the box; I think of what I can do with the box." - Henri Matisse

  13. #13


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    Quote Originally Posted by Norm View Post
    The win rates have the same meaning.
    just to make it clear: if we look at tables i provide expected win rate at lets say TC 3 is +2.38% (CVCX) and i run +1.89%(CVBJ v 5.6) which translate i run under EV (i understand sample issue just to make sure so i know in future what to compare and look into)

    Quote Originally Posted by Norm View Post
    3SD would require 9xN0.

    wow 9x???= 3 SD OMG

    so i guess 1 SD= 3x N0 ... right???


    so follow up question:

    -What will be
    meaningful number of hands to start comparing results (win rates) for TC stats from CVCX and CVBJ ??? how many times x N0 ....
    also can you please clarify to me is N0 number of hands or rounds (if N0 is hands i haved played 1x time N0 but if N0 is rounds i am ~60% of 1x N0)


    tx for your time and responses

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