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Doublet Blackjack

Doublet blackjack on the whole resembles European blackjack, except that the player can double a bet with any number of cards in his hand. The basic rules of blackjack are described in our Guide section.

Main Features

  1. The player can play on up to four boxes. The player can make a bet on the bonus in addition to the basic bet. There are two bonus bets, on blackjack and on sevens.

  2. Any cards can be doubled, including after a split.

  3. Hands can be split no more than three times, meaning the maximum number of combinations on a single box is four.

  4. The player cannot surrender after being dealt two original cards. However, the player can surrender after doubling and receiving a new card.

  5. If the dealer has an Ace, and the player has blackjack, the player can receive even money. If the player has any other card combination, he can purchase insurance against the dealer getting a blackjack. Insurance costs one-half of the bet’s size.

  6. The player is offered a chance to take even money or purchase insurance before the play on the relevant box.

  7. The game uses six decks and the cards are shuffled before every hand.

BetVoyager features our conventional version of this game and a version with no house edge. In the version with no house edge, blackjack with an Ace-King of spades pays 5:2, eliminating the house edge on the basic bet. All other forms of blackjack pay 3:2. Please note that the casino retains its advantage for any bets on the bonus.

Basic Rules

  1. Before the cards are dealt, the player chooses which boxes he wants to play on and makes his bets. The minimum and maximum bets for the table are clearly stated. In addition to the basic bet, the player can bet on bonus. There are two bonus bets - on blackjack and on sevens (see paragraph 11).

  2. To make a bet, it is first necessary to choose a chip with the desired face-value. At the beginning of the game, this chip is chosen by default, and the chip with the minimum face-value fixes itself onto the cursor. If the player wants a chip with a different face-value, he can select it by clicking on that chip with the cursor. The player can also use the scroll wheel on his mouse to change the chip’s value. After the chip is selected, the player can place a bet by clicking the mouse on the desired part of the game table and his bet will appear there. Each subsequent click adds another chip of the selected face-value to the bet. If the player wants to remove the last chip from his bet, he can remove the chip fixed onto the cursor by clicking the cursor on any empty part of the game window and then clicking on this bet.

  3. The "Clear" button can be pressed to remove all the bets from table. If the player wishes to repeat his bets from the previous hand, he can press the "Rebet" button. The "Deal" button will begin the game after all bets have been made.

  4. During the deal two face-up cards are placed on each box, the dealer receives one face-up card. If any of the player’s boxes have blackjack and the dealer has neither an Ace or Ten, those boxes win automatically. On the remaining boxes, the player has several options:

    • hit, by taking another card, to strengthen his hand (the "Hit" button)
    • stand, or keep the hand unchanged so as to compare it with the dealer’s hand (the "Stand" button)
    • stand on all his combinations remaining in the game (the "Stand All" button)
    • double the bet (the "Double" button)
    • split the cards, if both of the player’s cards have the same value (the "Split" button)
    • take even money, if he has blackjack, and the dealer has an Ace (the "Even Money" button)
    • purchase insurance for the sum of half the bet, if he doesn’t have blackjack, and the dealer has an Ace (the "Insurance" button)


  5. If the player takes an additional card and busts, his bet is lost immediately. If the card gives him 21, the hitting ends automatically. In all other cases, after getting a new card, the player has four options:

    • hit again, taking another card (the "Hit" button)
    • stand (the "Stand" button)
    • stand on all his combinations (the "Stand All" button)
    • double bet (the "Double" button)


  6. If the player doubles a bet, he automatically receives one extra card. Further hitting is impossible, the player has the following options:

    • stand (the "Stand" button)
    • stand on all his combinations (the "Stand All" button)
    • surrender and lose one half of the bet made (the "Surrender" button)


  7. If the player splits his cards, then instead of one two-card combination he receives two, each consisting of a single card. He has to bet on each new combination. The bet must be equal to the original one, so he is in effect doubling his bet. The player first plays the first hand and, once it is finished, the other. The second card in each new hand is dealt automatically. After that, the player has the following options:

    • hit, taking another card (the "Hit" button)
    • stand (the "Stand" button)
    • stand on all his combinations (the "Stand All" button)
    • double the bet (the "Double" button)
    • split the cards again, if both of the player’s cards have the same value (the "Split" button)


    The maximum number of combinations received after a repeated split is four. If the new combination is an Ace and a Ten, the new hand is not considered blackjack and is simply 21. When Aces are split, the second card a player receives is the final one. Further hitting is impossible and doubling is not allowed. However, if the new card is another Ace, the player can split his cards again.

  8. If the dealer has an Ace and the player has blackjack, and he agrees to receive even money, then blackjack will pay 1:1. If the player doesn’t want even money but the dealer gets blackjack, the player’s bet doesn’t pay and is returned to him.

  9. If the dealer has an Ace and the player buys insurance, he insures himself iagainst the dealer getting a blackjack. If the dealer has, in fact, blackjack, the insurance pays 2:1. As the player buys insurance, he has the following options:

    • hit, taking another card (the "Hit" button)
    • stand (the "Stand" button)
    • stand on all his combinations (the "Stand All" button)
    • double the bet (the "Double" button)
    • split the cards, if both of the player’s cards have the same value (the "Split" button)


  10. When decisions on all the boxes have been made, the dealer begins dealing to himself. The dealer continues to add cards until he gets at least 17 points (hard or soft). After that, each player’s combination that is still in the game is compared with the dealer’s hand, and final results are determined. If both sides have the same number of points, the game ends in a draw, and the player’s bet is returned to him.

  11. The bet on the bonus is a separate bet that doesn’t have any relationship to the main course of the game. The bet on blackjack wins if the player is dealt blackjack. The bet on sevens wins if the first card dealt on the box is a 7. If the second card is a 7 too, the payout increases. Maximum payout can be received if the third card dealt on the box is a 7 again. The sevens’ suits do not matter.

    The size of any bet on the bonus is limited to €20. The minimum size is defined by the cheapest chip allowed at the table. The payout for this bet works according to the following table:

    Blackjack 7 77 777
    19:1 8:1 40:1 250:1

    The reward for three sevens can only be received if all sevens are from the same combination. If the player splits a pair of sevens, he is paid for two sevens, but nothing more.

  12. If during the hand the player makes a very bad decision (for example, if he stands with 11 points), he will receive a warning message. As a rule, this happens when the player presses the wrong button by mistake. If the player wants, he can turn off these messages by using the settings.

    For players' convenience, any changes made to the settings will be saved in the parameters of the player's browser. If the player finishes the game session and then opens a new one, his settings will be automatically restored.