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Strategy for double-deck blackjack

Double-deck blackjack is a game played with four decks of cards, which makes a total of 104 cards. Although double-deck blackjack games seem less favorable than classical single-deck games, it is still quite popular in both online and land casinos. It offers relatively low house edge of 0.49%, which is less compared to multiple-deck blackjack games, but higher compared to single-deck blackjack.

In fact, double-deck blackjack may in some cases prove more profitable than single-deck games due to the fact that most casinos offer unfavorable rule variations to the single-deck blackjack rules, like the 6 to 5 payout instead of the traditional 3 to 2, which increases the house edge significantly. Double-deck blackjack may also turn quite favorable for card-counters as the dealer here doesn't reshuffle cards too often and the players can get some useful information about the cards in the game.

For this reason casinos tend to introduce some rule variations that help to increase the house edge and confront the card-counters, just as they do with single-deck blackjack games - no casino is established for its own ruin.

Tips for double-deck blackjack

To reduce house edge and gain profit from the game of blackjack, both single- and double-deck, it is important to apply an appropriate and efficient basic strategy. One can use a special blackjack strategy chart developed for double-deck games, defining the player's possible decisions during the game.

Take a look at basic recommendations for playing double-deck blackjack:

  • First of all, before starting the game one should check whether the dealer is supposed to stand or hit on "Soft 17" (combination of an Ace and a six). Of course, it is more profitable for the players if the dealer should stand on "Soft 17", as it decreases the house advantage by about 0.2% and the dealer gets better odds of winning the game. In any case, further player's basic blackjack strategy depends on whether the dealer stands or hits in case he or she reaches "Soft 17".
  • Further player's decisions are defined by the instructions in basic strategy charts for the two variations of double-deck game - with the dealer standing on "Soft 17" and hitting on "soft 17". For example, if the dealer's face-up card is a 7 and the player's total hand value is 15, it is recommended to hit in both game variations. At the same time, if the player has a "Soft hand" of an Ace and a seven and the dealer's face-up card is an Ace, the player's decision should be Hit in a game where the dealer Hits on "Soft 17" and Stand when the dealer is to stand on "Soft 17".

Surely, following the instructions given in the basic strategy chart doesn't necessarily mean that you win, but it can raise your odds of winning as it can help you significantly reduce the house edge of the casino.