Physical Sciences and Mathematics Commons^™

An Analysis Of The Disadvantage To Players Of Multiple Decks In The Game Of 21, Leslie M. Golden

International Conference on Gambling & Risk Taking

Players of blackjack recognize that their probabilities of winning are reduced by the casino use of multiple decks in the deck pack as a counter-measure to blackjack card counting systems. When playing blackjack with a deck pack composed of multiple 52-card decks compared to when playing in single-deck or double-deck games, players experience frequency, magnitude, and depth effects: 1) The deck becomes favorable less frequently at all depths, 2) when the deck does becomes favorable, the magnitude of the advantage is not as great, 3) all decks are favorable infrequently until a significant portion of the deck has been dealt …