Counting cards is a technique which is used by players of card games to gain a benefit by following cards which have been dealt. This gives the gambler a theory of the sum of cards, which have to be dealt with. Counting cards is a skill that has more use in 21 than in any other card game.

In 21, a gambler is at an advantage when the remaining deck contains "big value cards." High cards should be 10s or aces. The counter in the casino brings into play such situations by laying bigger bets, as and when they happen. A lot of experienced players use the composition of the shoe to change their overall strategy. New players at times experience problems while engaged in rapid card counting and might be prone to errors, when it comes to working with dealt decks of cards. Twenty-one card counting is a business by itself. Millions are made or squandered, by both the players and the casinos, depending on card counting strategies in use.

Technology has made its impact on card counting too, with refined devices affecting the complete process. Traditional gamblers will swear that a card counting scheme of greater complexity is more prone to problems, negating the increased accuracy permitted by the application of computers. Anyone can locate a lot of tactics for blackjack card counting by visiting net sites dedicated to the game. With the game growing in appeal in gambling halls around the globe, there are better schemes coming up every other day. You can locate literally a multitude of internet sites giving you hints on card counting and the overall tactic to earn money through chemin de fer.