Counting cards is a technique which is used by gamblers of card games to obtain an edge by following cards which have been used. This provides the player an idea of the sum of cards, which need to be dealt with. Card counting is a technique that has more use in vingt-et-un than in any other card game.

In black jack, a player is at an advantage when the remaining deck holds "big value cards." High cards can be faces or aces. The counter in the casino uses such circumstances by placing larger bets, as and when they occur. A good many experienced gamblers use the composition of the deck to adjust their overall tactic. Fairly new players occasionally have difficulty while performing quick counting and might be subject to errors, when it comes to handling dealt decks of cards. Vingt-et-un card counting is a business by itself. Millions are made or lost, both by the players and the gambling dens, depending on card counting tactics in play.

Technology has made its presence known on card counting too, with improved computing power affecting the complete process. Long-established gamblers will vow that a more complex card counting system is more subject to blunders, evening out the extra accuracy permitted by the application of computers. Anyone can find many tactics for chemin de fer card counting by going online sites devoted to twenty-one. With the game increasing in appeal in gambling dens around the planet, there are newer tactics coming up every other day. One can dig up easily thousands of Web sites sharing with you ways on counting cards and the overall strategy to earn money playing vingt-et-un.