Card counting is an ability that is used by gamblers of card games to obtain an edge by tracking cards which have been played. This gives the gambler a theory of the importance of cards, that need to be dealt with. Counting cards is a technique that has more use in chemin de fer than in any other card game.

In chemin de fer, a player is at an advantage when the remaining shoe has "big value cards." Big value cards can be faces or aces. The card counter in the gambling den uses such circumstances by laying larger bets, as and when they happen. Most accomplished players use the composition of the deck to alter their overall course of action. New gamblers occasionally will have problems while trying fast card counting and could be subject to errors, when it comes to working with dealt decks. Black jack card counting is a business on its own. millions and millions are won or squandered, both by the players and the gambling dens, depending on card counting tactics in use.

Technology has made its presence known on counting cards too, with enhanced computing power impacting the complete process. Traditional gamblers however vow that a card counting scheme of greater complexity is more prone to blunders, evening out the increased accuracy enabled by the application of computers. One can find many tactics for blackjack card counting by visiting web pages dedicated to the game. With the game increasing in popularity in casinos around the globe, there are better strategies coming up every other day. One can discover beyond a doubt hundreds of internet pages providing you hints on card counting and the all-around strategy to make profit playing vingt-et-un.