<P> Card counting is a casino card game strategy used primarily in the blackjack family of casino games to determine whether the next hand is likely to give a probable advantage to the player or to the dealer . Card counters are a class of advantage players, who attempt to decrease the inherent casino house edge by keeping a running tally of all high and low valued cards seen by the player . Card counting allows players to bet more with less risk when the count gives an advantage as well as minimize losses during an unfavorable count . Card counting also provides the ability to alter playing decisions based on the composition of remaining cards . </P> <P> Card counting, also referred to as card reading, often refers to obtaining a sufficient count on the number, distribution and high - card location of cards in trick - taking games such as contract bridge or spades to optimize the winning of tricks . </P>

Is it possible to count cards in blackjack