Countiing Cards

Discussion in 'Magic Forum' started by PGAmagic, Oct 11, 2010.

  1. How can you tell if someone playing cards is counting cards?
     
  2. depends on the game.

    mostly its a noticeable increase in victories that doesn't correlate with probability. No matter how good a player is, if your playing a game of chance you dont win that much. Also delays in action can indicate someone performing mental math. Card counting is often done in teams so look for signals. Go watch the movie 21. its a bit dramatic but you get an idea
     
  3. #3 Nicholas S, Oct 11, 2010
    Last edited by a moderator: Oct 11, 2010
    Normally I would ignore this type of thread but jrobarts05 provided incorrect information which I feel I should correct for future readers.

    Counting cards does not "increase the number of victories." Counting in BJ is based on betting more when the cards are in your favor, and less when they are less desirable. It's not the number of wins that changes, it is the amount of money won and loss during these set amount of wins and losses that changes.

    The biggest tell of an individual counting cards is the fluctuation of their bet (more when high cards come out, less when spot cards come out), since this is the very premise of counting cards. Another tell is the player trying to read cards from across the table, or staring at other player's cards. Spotting crews are much trickier.

    -Nicholas

    PS: Trying to spot a counter by "looking for signals" as suggested by jrobarts05 is a bit like a hypochondriac with "Google-itis." Everything will look like a signal.
     
  4. Nicholas, have I met you on the magic session...

    I do reember a gambling expert named nicholas but it may not be you
     
  5. Nicholas S is mostly correct on all points here, but I'd like to add one thing. The question is, "how can you tell if someone is counting cards?" The answer, barring certain circumstances, is, "you can't."

    Assuming that the question is coming from someone that isn't an advantage player or a game protection expert, the answer is that you simply won't be able to conclusively tell apart the actions of a card counter versus the actions of a civilian that varies their bets and makes strange plays based on hunches. Card counters will increase their bet incrementally when the remaining deck composition favors them, and they'll make deviations from "proper" basic strategy when the count warrants, but these plays are mostly indistinguishable from the actions of a civilians unless you're also knowledgeable of card counting techniques. Sure enough, civilian players are ejected from casinos all the time, especially in Vegas, simply because they make large bet variations and seem to be winning. Pit bosses are quick to act in cases like this, and they often make inaccurate assessments. Casino surveillance folks actually use analytical software to determine if a player is counting or not.

    Even amateur card counters find themselves suspecting players at their table of counting cards based on bet variations and strange but appropriate plays, when in fact this is usually just coincidence. It's very unusual to run into a card counter at your table, but new counters seem to recognize the usual telltale signs much more frequently than the odds would suggest.

    An old adage: a counter asks a card mechanic how he can spot a cheating dealer. The mechanic asks if the counter is a cheater, to which the counter responds that no, he isn't. Then he can't spot a cheater, the mechanic replies.
     

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