Card counting is a skill which is employed by players of card games to realize an advantage by tracking cards that have been played. This provides the player a theory of the value of cards, that have to be dealt with. Counting cards is a technique that is more advantageous in 21 than in other card game.

In blackjack, a gambler is at an advantage when the remaining deck has "big value cards." Big value cards should be tens or aces. The counter in the casino brings into play these circumstances by placing bigger wagers, as and when they happen. Several adept players use the composition of the deck to change their overall tactic. Fairly new gamblers occasionally have difficulty while engaged in rapid card counting and may be subject to errors, when it comes to handling dealt cards. Black jack card counting is a business by itself. Millions are made or lost, by both the gamblers and the casinos, based on card counting strategies in play.

Computing has made its presence known on counting cards too, with refined devices affecting the complete activity. Old guard players however attest that a more complex card counting system is more subject to breakdown, negating the additional accuracy permitted by the application of computers. Anyone can dig up many tactics for vingt-et-un card counting by going web resources dedicated to 21. With the game increasing in acceptance in casinos around the world, there are newer game plans being created every other day. One can discover literally thousands of Web sites giving you ways on card counting and the overall plan to make cash playing blackjack.