As a gaming expert with a keen interest in the mechanics and history of card games, I have a deep understanding of the various aspects of blackjack, also known as 21. This classic card game is not only popular in casinos but also in home games and online platforms. The number of decks used in blackjack can vary depending on the setting and the specific rules of the game being played.

In a casual home game, players might opt for a single or double deck to keep the game simple and manageable. This is especially true for beginners or for those who prefer a more intimate and relaxed gaming environment. The use of fewer decks can also lead to a more personalized experience, allowing players to become familiar with the cards that have been dealt and to strategize accordingly.

However, in a professional setting such as a casino, the game tends to be played with a larger number of decks. The most common range is six to eight decks of the standard 52-card set, excluding the jokers. This is known as a "shoe" of cards. The use of multiple decks in casinos serves several purposes. Firstly, it ensures a more random outcome for each hand, reducing the likelihood of patterns emerging that could be exploited by card counters. Secondly, it speeds up the game, as the dealer can deal more hands in a shorter amount of time without needing to shuffle the cards as frequently.

The decision to use multiple decks also ties into the house advantage. With more decks in play, the odds slightly shift in favor of the casino. This is because the increased number of cards makes it harder for players to keep track of what has been dealt, thus reducing the effectiveness of basic strategy and card counting techniques.

It's also worth noting that there are variations of blackjack that use different numbers of decks. For instance, some casinos may use a four-deck or even a ten-deck shoe, depending on the game's rules and the casino's preference. The choice of the number of decks can affect the game's speed, strategy, and the house edge, so it's an important consideration for both players and casino operators.

In conclusion, while the number of decks used in blackjack can vary, the most common setup in casinos is six to eight decks. This range provides a good balance between game speed, randomness of outcomes, and the house advantage. Whether you're playing at home or in a casino, understanding the impact of the number of decks on the game can help you make more informed decisions and enhance your blackjack experience.

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While a couple of mates playing at home can play a decent game of 21 using as little as one or two decks, casino blackjack is most commonly played with six to eight decks of standard 52 playing cards, excluding jokers.Sep 11, 2017read more >>