Counting cards is a technique that is employed by players of card games to obtain an advantage by tracking cards which have been played. This provides the gambler an idea of the sum of cards, that have to be dealt with. Counting cards is an ability that is more useful in twenty-one than in other card game.

In blackjack, a gambler has an advantage when the remaining shoe contains "high cards." High cards can be 10s or aces. The counter in the casino brings into play these circumstances by placing bigger wagers, as and when they occur. Most experienced gamblers use the makeup of the shoe to adjust their overall plan. New gamblers sometimes will have difficulty while performing fast card counting and may be prone to mistakes, when it comes to handling dealt decks. Blackjack card counting is an enterprise on its own. massive amounts of money are won or squandered, both by the players and the gambling halls, depending on card counting strategies in use.

Computing has made its presence known on counting cards too, with improved computing power impacting the complete process. Traditional players however swear that a more complicated card counting approach is more subject to error, negating the increased accuracy enabled by the use of technology. One can find many strategies for vingt-et-un card counting by visiting online sites dedicated to the game. With the game growing in acceptance in gambling halls all over the globe, there are better techniques coming up every other day. One can find beyond a doubt hundreds of Web pages giving you tips on counting cards and the across the board plan to make money through twenty-one.