Gambling is a game whose outcome (winning or losing) is sporadic and largely independent from game players the ability to play. Usually lošiama of money. While many entertainment or gambling only way to make money, it can become a dependence. Gambling is completely random event, unlike other games, the results of which depend on the players' art, the ability to play and win the game. Understand such a random event in an event that causes partial or full of it or unable to investigate, because in reality, the reasons for the findings of the conditions, which works very distant and uncertain relationship between us. Games are tested in mathematics branch - probability theory - as a special problem. Incidentally influence of the different games of chance have a different impact. So-called cash games of chance are exclusively the result of the accident and has nothing to do with the player's abilities, for example., Dice, roulette. In other games the player has a choice and the player's skills affect the outcome, but the player's option for only a part of the result, while the other part depends on the accident.