Counting cards is an ability which is used by gamblers of card games to realize a benefit by following cards that have been dealt. This provides the gambler a theory of the value of cards, that need to be dealt with. Card counting is an ability that has more use in chemin de fer than in any other card game.

In vingt-et-un, a player is at an advantage when the remaining shoe houses "high cards." High cards should be tens or aces. The card counter in the casino brings into play these situations by making bigger wagers, as and when they occur. Several accomplished players use the makeup of the deck to adjust their overall strategy. Inexperienced players sometimes experience problems while engaged in fast counting and might be subject to mistakes, when it comes to working with dealt decks. 21 card counting is an enterprise by itself. huge amounts of money are made or squandered, by both the gamblers and the casinos, based on card counting strategies in use.

Computing has made its presence known on card counting too, with improved computing power affecting the entire process. Old guard gamblers will swear that a card counting approach of greater complexity is more subject to problems, negating the added accuracy allowed by the application of technology. Anyone can find many plans for 21 card counting by visiting internet sites committed to blackjack. With the game growing in fame in casinos around the planet, there are better techniques coming up every other day. One can dig up at least thousands of Web sites giving you tricks on counting cards and the overall scheme to earn profit through black jack.