The ability to conduct analysis quickly increases the chances of winning. However, there is one problem: the probability of losing is great, which encourages us to come up with all the new methods to deceive the croupier, violating both the rules of the casino and the criminal code often. Spying the second card  The guessed card in blackjack brings instant profit - the bets are made quickly, the duration of the game for one kona is small. The dealer must see the card that he distributes and this is used by scammers, choosing a place convenient for observation. Some casinos do not consider costs justified, which gives scammers a field for their activities. One plays at the table, and the second is located elsewhere with the ability to observe the actions of the dealer.