Card counting is a skill that is used by players of card games to realize an opportunity by tracking cards which have been dealt. This gives the player a concept of the sum of cards, that have to be dealt with. Counting cards is a technique that is more useful in twenty-one than in other card game.

In black jack, a player is at an advantage when the remaining shoe houses "big value cards." Big value cards can be faces and aces. The counter in the casino takes advantage of such situations by placing larger bets, as and when they occur. A good many skillful gamblers use the composition of the shoe to alter their overall plan. Inexperienced players at times experience problems while performing fast card counting and might be subject to errors, when it comes to working with dealt decks of cards. Vingt-et-un card counting is an enterprise by itself. Millions are won or lost, both by the players and the casinos, based on card counting techniques in use.

Computing has made its impact on card counting too, with improved computing power affecting the complete process. Long-standing players however swear that a more complicated card counting system is more subject to error, negating the increased accuracy enabled by the application of technology. Anyone can dig up a lot of tactics for black jack card counting by going online pages devoted to vingt-et-un. With the game growing in popularity in gambling halls around the planet, there are newer game plans coming up every other day. One can find at least a multitude of internet sites sharing with you hints on card counting and the across the board tactic to make money through chemin de fer.