By using computer trials, it has been proved mathematically that certain cards are favourable to the player and others are favourable to the dealer.Depending upon what cards have been played, you can determine what cards are left, and this influences how the player should play his hand.For example, if more cards are left that favour the player, the player now has an advantage and can raise the bet size to capitalize on his advantage.Card counting in blackjack helps the player make choices that g.