Counting cards is a skill that is used by gamblers of card games to realize an opportunity by following 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 a technique that is more advantageous in vingt-et-un than in any other card game.

In twenty-one, a gambler is at an advantage when the remaining shoe has "big value cards." High cards can be tens or aces. The card counter in the gambling den takes advantage of such situations by making bigger wagers, as and when they occur. A lot of accomplished gamblers use the makeup of the deck to adjust their overall tactic. New gamblers on occasion will have difficulty while trying rapid counting and could be prone to errors, when it comes to dealing with dealt decks of cards. Black jack card counting is an enterprise by itself. Millions are won or lost, both by the gamblers and the casinos, depending on card counting strategies in use.

Technology has made its impact on counting cards too, with refined computing power impacting the complete activity. Long-standing players however attest that a more complex card counting approach is more subject to problems, negating the increased accuracy permitted by the use of computers. One can locate a lot of game plans for blackjack card counting by visiting net resources dedicated to the game. With the game growing in acceptance in casinos around the planet, there are better techniques being created every other day. One can dig up literally hundreds of net pages sharing with you tips on card counting and the overall plan to earn profit playing chemin de fer.