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Online Blackjack Guide


Blackjack or Twenty-One (21) is played with 1-6 decks of conventional playing cards. Blackjack is one of the most famous casino games in the world. No matter if you are playing at online or at real-bricks casino, this card game for sure is available there.


While it is unclear exactly when blackjack originated, the first historical reference to the game was posted in a novel Rinconete y Cortadill written by Spanish writer Miguel de Cervantes – who was a gambler himself – which tells us that this game was already known in 17th century in Spain. The game was originally called "Twenty-One" in reference to the game's objective; Get as close to 21 in card count without going over the total and subsequently beating the dealer's hand. After years, Blackjack came to United States where it gained a huge popularity - and so it is until today.


Blackjack is wildly popular in both land-based and online casinos. Essentially, the rules are the same no matter where the game is being played. Over the years, online blackjack has evolved into several different variations. These include "Double Exposure Blackjack," Spanish Blackjack," "Live Dealer Blackjack" and "Switch Blackjack" as well as few other variations. Each one follows a basic set of rules with a specific twist added for excitement.


In the beginning, before receiving cards from a dealer, player have to place a bet. After this, the person face up two cards from a standard 52-card decks. Meanwhile, the dealer (player’s opponent) have one card face up and one face down. What’s important, at this game every card is worth a specific number of points, and the main role of the player is trying to get closer to 21 without busting.

In each turn player is allowed to take 1 or more cards. It’s possible that gambler will start the game with the cards that are worth 21 points – it’s a blackjack and then he or she is a winner. But remember – the dealer can also have a blackjack, and in that moment all of the players at the table immediately lose.

The Bet: The player places their bet in the spot located in front of their position at the table. The betting amount is determined by site established table limits.

The Deal: Initially, two cards are dealt to both the player and the dealer. The player's cards are both face up while the dealer has one card face up and the other face down. Cards are counted based on face value where 10-K count as 10s and Aces count as one or eleven at the player's desecration. For the dealer, Aces always count as one until the dealer's cards total 18 or higher.

Player Decisions: Keeping in mind that the goal for the player is to get as close to 21 as possible with going over (busting), the player is first to act after the initial deal. They must decide on one of four actions:

  • Hit - Take another card
  • Stand - Satisfied with their hand
  • Double-Down - This is a special wagering opportunity where the players is given the chance to double up their bet, receiving one hit in return.
  • Split - If the player receives two cards of the same denomination, they can split the cards and create two separate hands with two separate bets.

The player continues making decisions until they bust or choose to stand.

Dealer Decisions: - The dealer is forced to abide by a very specific set of rules. They must take a hit until they reach 17 or more, then they stand. In some variations, the dealer must also take a hit on a "soft" 17 (any combination of cards that equal six plus an Ace).

The Outcome: Each deal continues until either the player or dealer busts or until they both stand. The one closest to 21 without going over wins. Winning players are paid 1-1 odds unless they hit a blackjack (any two-card 21), which usually pays 1.5-1 odds.

Rules and Strategies

Depending on the number of decks being used, the house's advantage ranges from 0.17% (one deck) to 0.65% (six decks). There are a variety of playing and betting strategies that can be used to try to circumvent the house's advantage, but in reality, there is no viable way for a player to get the advantage without cheating (i.e. card counting).