What is blackjack?

Blackjack is by far one of the most famous casino games in the world. From "Rainman" (1988) to "Very Bad Travel" (2009), it has penetrated all levels of our popular culture. The game we know today is derived from the twenty-one game, which was first mentioned in the work of Miguel Cervantes in the early 17th century. It was developed in France and Spain and then launched in the United States.

The reason why many players and mathematicians like "Blackjack" is simple: in the game, hard work has paid off. As we will see below, statisticians such as Baldwin or Canty have developed strategies to minimize the advantages of casinos, making classic blackjack one of the highest-paid table games. The following article will tell you everything you need to start running blackjack!

Blackjack rules

Goal: Beat the dealer's hand without exceeding a total of 21 points ("breaking").


Nominal value (2 is 2, 3 is 3…)

Face cards

(Queen, King, Joker or J, Q, K): 10


1 or 11 (depending on what suits you to get to 21)

Card distribution

Each player receives two cards face up, and the dealer receives one card face up, and the other face up. Then, starting from the player to his left, the dealer asks each player to make a decision. Player's decision: After seeing the first two cards, each player can choose between "hit", "stand", "double bet" or "split":


Received additional card. Stand up: I no longer receive the card. Double bet: Double your initial bet and only receive the last card. Split: When a player receives two cards of the same value, he can split and play with both hands.

To do this, he must place a bet that is equal to his original bet.


If the dealer's card is an ace, the player can make an insurance bet before the dealer checks his other card. If the dealer has blackjack, he is "2 to 1", otherwise he loses. For example, if you bet an insurance bet of 4 and the dealer has blackjack, then you will get 8.

Dealer's Hand

Trader's hand: The bank (or broker) is bound by a simple rule: "The bank travels at 16 and travels at 17." He will fight until the total reaches 17 or more. If this exceeds 21 ("lost"), each player wins. If the total number of dealers reaches between 17 and 21, only players who exceed the total number of dealers (but remain under 21) will win. If there is a tie, the player will continue to bet without losing or winning anything. It is important to know that blackjack wins 21 out of 3 or more cards.

If you understand these simple rules, you can start playing right away! The following sections review the most successful strategy and many variations of this legendary game.

Blackjack strategy

Basic strategy

Blackjack is one of the few casino games that depends on the player's choice. By following the so-called basic strategy, you will be able to reduce the casino advantage to less than 1%! The basic strategy assigns actions based on the player's hand and the dealer's face-up card. It changes with the rules applicable to the casino. This is an example of the basic strategy of blackjack in Europe, which has 4 to 8 decks of playing cards and a dealer with 17 soft cards. These large and colorful tables may look scary, but they are just a guide. With a little practice, they can easily become second nature, just like Dustin Hoffman, you can become the king of the table!

3 rule examples

Always separate a pair of As, and when the dealer faces up 5 or 6, double-click with 4-8 more often.

Try to find these little clues for you to remember, it really helps me.


Warning: Since online gambling is randomly generated by algorithms, card counting is invalid in online casinos. However, it is impossible to talk about it without mentioning the blackjack strategy.

The idea of ​​card counting is to associate a value with each card in order to be able to predict or understand the cards to be issued. The most famous system is the High-Low system invented by Edward O. Thorp.

It assigns a value

-1 to 10 card and ace points, 0 to 7 to 9 cards and +1 to 2 to 6 cards.

You can count the cards by adding the value of each card issued to the checking account.

Blackjack variants

There are countless changes at blackjack (jokes without a plan). Actually, I need the full text (or more) to describe them. But don't worry, I won't do it here. This section focuses only on the main variants and their impact on the edge of the house. Usually, the blackjack variants follow the same principle: they add one or more rules that increase player advantage, and add another set of rules that increase house advantage.

Players should always check the edge of the house while sitting at the table! Here are some examples of major variations:

Spain Blackjack 21

Spanish 21: In exchange for a game without 10 cards (but retaining face cards), players have the right to use the "freedom" rule. These rules include late handovers, the number of flops (instead of one), bonuses for five or more cards, blackjack players always win... and so on. Double exposure: In this variant, the dealer's two cards are exposed, but the player loses when they are side by side with the dealer.

Blackjack Switch

Blackjack switch: This is not a variation of blackjack played on the famous Nintendo game console. In this variant, the player plays with both hands and can exchange cards between them. To balance this advantage, blackjack pays only 1:1, and a total of 22 players will press any hand other than blackjack.

Of course, in the blackjack world, there are many other changes to explore, and the possibilities are endless.


One of the main success factors of Blackjack is simple: work hard to reward.

This is why it has aroused the interest of players and mathematicians for more than a century. If you are looking for a casino game that can change yourself, blackjack is a good choice.

To start practicing your basic strategy while earning welcome bonuses, please check the casino list above!

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