Where in other casino games such as roulette, craps there is no absolute effect of result of one play on any future deal, the blackjack always remain some risks regarding that. That means in blackjack it is possible that some events of any future play can be affected by its previous performance. Whenever if it is found that the remaining cards of the player have a high proportion than normal, in that case it is quite obvious that it goes to players benefits but in adverse the player will dealt a bad hand of cards. But in many cases it has been found that it is very tough for the player to remember exactly which cards have already been dealt in the previous play. Especially it becomes difficult when it comes from a multiple deck shoe. For that reason card counting always denotes some positive, negative or zero point value to the each and every remaining card in the deck.
Generally it is seen that the cards carrying low value such as 2, 3 are of positive value and the cards carrying higher value are at the negative value. But the different card counting method assigns different value of each card to be dealt. The card counter can make a tally of the point values in his...