Card counting is a technique that is used by gamblers of card games to realize an advantage by tracking cards which have been dealt. This provides the gambler an idea of the sum of cards, which need to be dealt with. Card counting is an ability that is more advantageous in blackjack than in other card game.

In chemin de fer, a gambler is at an advantage when the remaining deck holds "high cards." Big value cards should be tens or aces. The card counter in the casino uses these situations by laying larger wagers, as and when they occur. Several knowledgeable players use the makeup of the deck to adjust their overall tactic. New players on occasion will have difficulty while trying rapid counting and may be prone to mistakes, when it comes to dealing with dealt decks. Blackjack card counting is an industry by itself. millions and millions are won or squandered, both by the players and the gambling halls, based on card counting strategies in use.

Computing has made its impact on counting cards too, with refined computing power impacting the complete process. Traditional players however argue that a more complicated card counting system is more prone to breakdown, negating the extra accuracy permitted by the application of computers. Anyone can find a lot of game plans for twenty-one card counting by visiting net resources committed to black jack. With the game growing in appeal in casinos all over the planet, there are newer tactics being developed every other day. One can dig up at least thousands of Web sites providing you tricks on card counting and the overall strategy to make cash through black jack.