🎰 Blackjack - Wikipedia

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Each option has a corresponding hand signal. Blackjack has inspired other casino games, including Spanish 21 and pontoon. Some games give the player a fifth option, "surrender". When the last hand has finished being played, the dealer reveals the hole card, and stands or draws further cards according to the rules of the game for dealer drawing. The first scientific and mathematically sound attempt to devise an optimal blackjack playing strategy was revealed in September Ed Thorp would use Baldwin's hand calculations to verify the basic strategy and later publish in his famous book Beat the Dealer. Since the s, blackjack has been a high-profile target of advantage players , particularly card counters , who track the profile of cards that have been dealt and adapt their wagers and playing strategies accordingly. Hole card games are sometimes played on tables with a small mirror or electronic sensor that is used to peek securely at the hole card. In the event of a disagreement between a player's hand signals and their words, the hand signal takes precedence. This is the only time that you are allowed to look at the second hand before playing the first hand. Single cards are dealt to each wagered-on position clockwise from the dealer's left, followed by a single card to the dealer, followed by an additional card to each of the positions in play. It is advantageous to make an insurance bet whenever the hole card has more than a one in three chance of being a ten. This short story was written between and , implying that ventiuna was played in Castile since the beginning of the 17th century or earlier. Players are each dealt two cards, face up or down depending on the casino and the table. If the dealer has a ten, the insurance bet pays In most casinos, the dealer then peeks at the down card and pays or takes the insurance bet immediately. He was unable to find any historical evidence for a special bonus for having the combination of an Ace with a black Jack. Any player is usually allowed to control or bet in as many boxes as desired at a single table, but it is prohibited for an individual to play on more than one table at a time or to place multiple bets within a single box. Additional side bets, such as "Dealer Match" which pays when the player's cards match the dealer's up card, are sometimes available. The dealer deals cards from their left the position on the dealer's far left is often referred to as "first base" to their far right "third base". In the case of a tied score, known as "push" or "standoff", bets are normally returned without adjustment; however, a blackjack beats any hand that is not a blackjack, even one with a value of Wins are paid out at , or equal to the wager, except for player blackjacks which are traditionally paid at meaning the player receives three dollars for every two bet or one-and-a-half times the wager. Card counting techniques can identify such situations. French card historian, Thierry Depaulis has recently debunked this story, showing that the name Blackjack was first given to the game of American Vingt-Un by prospectors during the Klondike Gold Rush , the bonus being the usual Ace and any point card. Many casinos today pay blackjacks at less than at some tables; for instance, single-deck blackjack tables often pay for a blackjack instead of Blackjack games almost always provide a side bet called insurance, which may be played when dealer's upcard is an ace. However the insurance outcome is strongly anti-correlated with that of the main wager, and if the player's priority is to reduce variance , they might choose to make this bet. After all boxes have finished playing, the dealer's hand is resolved by drawing cards until the hand busts or achieves a value of 17 or higher a dealer total of 17 including an ace valued as 11, also known as a "soft 17", must be drawn to in some games and must stand in others. If the dealer busts, all remaining player hands win. At a casino blackjack table, the dealer faces five to seven playing positions from behind a semicircular table. Insurance bets are expected to lose money in the long run, because the dealer is likely to have a blackjack less than one-third of the time. In the U. In face-down games, if you are playing more than one hand, you are allowed to look at all of your hands before deciding. The players' initial cards may be dealt face up or face down more common in single-deck games. This hand was called a "blackjack", and it is claimed that the name stuck to the game even though the ten-to-one bonus was soon withdrawn. This is a side bet that the dealer has a ten-value card as the down card, giving the dealer a Blackjack. The better hand is the hand where the sum of the card values is closer to 21 without exceeding The detailed outcome of the hand follows:. You are betting that you have a better hand than the dealer. In response, casinos have introduced counter-measures that can increase the difficulty of advantage play. A hand's value is the sum of the card values. Later references to this game are found in France and Spain. The value of the ace will become one to prevent the hand from exceeding Otherwise, the hand is called "hard". Players are allowed to draw additional cards to improve their hands. Blackjack has over rule variations.

Players do not compete against each other. They are proficient at cheating at veintiuna Spanish for twenty-oneand state that the object of the game is to reach 21 points without going over and that the ace values 1 or The game is played with the Spanish baraja deck.

At the beginning of each round, up to three players can place their bets in the this web page box" at each position in play. The insurance bet is susceptible to advantage play.

The dealer hand will not be completed if all players ace in blackjack either busted or received blackjacks. Cervantes was a gamblerand the main ace in blackjack of his tale " Rinconete y Cortadillo ", from Novelas Ejemplaresare a couple of cheats working in Seville.

Number cards count as their natural value; the jack, queen, and king also known as "face cards" or "pictures" count as 10; aces are valued as either 1 or 11 according to the player's choice.

Each box is dealt an initial hand of two cards visible to the people playing on it, and often to any other players. After receiving an initial two cards, the player has up to four standard options: "hit", "stand", "double down", or "split".

Note: where changes in the house edge due to changes in the rules are ace in blackjack in percentage terms, the difference is usually stated here in percentage pointsnot percentage.

It is played with one or more decks of 52 cards, and is the most widely played casino banking game in the world. If the hand value exceeds 21 points, it busts, and all bets on it are immediately forfeit.

Each hand may normally "hit" as many times as desired so long as the total is not above hard On reaching 21 including soft 21the hand is normally required to stand; busting is an irrevocable loss and the players' wagers are immediately forfeited to the house. There is no difference in results between taking even money and insuring a blackjack.

At most tables the dealer also hits on a "soft" 17, i. The recording can further be used to identify advantage players whose activities, while legal, make them undesirable customers.

Using one hand, look at source hands one at a time. The rules of casino blackjack are generally determined by law or regulation, which establishes certain rule variations allowed at the discretion of the casino.

A hand with an ace valued as 11 is called "soft", meaning that the hand will not bust by taking an additional card. Blackjack's precursor was twenty-onea game of unknown origin.

The player whose bet is at tips blackjack tourney front of the betting box is deemed to have control over the position, and the dealer will consult the controlling player ace in blackjack playing decisions regarding the hand; the other players of that box are said to "play behind".

In many U. The value of cards two through ten is their read more value 2 ace in blackjack Face cards Jack, Queen, and King are all worth ten.

Hand signals are used to assist the " eye in the sky ", a person or video camera located above the table and sometimes concealed behind one-way glass. Since the term 'blackjack' also refers to the mineral zincblendewhich was often associated with gold or silver deposits, he suggests that the mineral name was transferred by prospectors to the top bonus in the game.

The dealer will ask for insurance bets from all players before the first player plays. The rule variations of any particular game are generally posted on or near the table.

Fully insuring a blackjack against blackjack is thus referred to as "taking even money". Between one and eight standard card decks are shuffled together. Players with a blackjack may also take insurance, and in taking maximum insurance they will win an amount equal to their main wager. In other casinos, the payoff waits until the end of the play. One such bonus was a ten-to-one payout if the player's hand consisted of the ace of spades and a black jack either the jack of clubs or the jack of spades. On their turn, players must choose whether to "hit" take a card , "stand" end their turn , "double" double wager, take a single card and finish , "split" if the two cards have the same value, separate them to make two hands or "surrender" give up a half-bet and retire from the game. In most other countries, the dealer only receives one card face up. Aces can be worth one or eleven. There is a popular myth that, when Vingt-Un "Twenty-One" was introduced into the United States in the early s - other sources say during the First World War and still others the s - gambling houses offered bonus payouts to stimulate players' interest. When the outcome of the dealer's hand is established, any hands with bets remaining on the table are resolved usually in counterclockwise order : bets on losing hands are forfeited, the bet on a push is left on the table, and winners are paid out. That is, there could be up to three players at each position at a table in jurisdictions that allow back betting. The first written reference is found in a book by the Spanish author Miguel de Cervantes , most famous for writing Don Quixote. If a player receives 21 on the 1st and 2nd card it is considered a "natural" or "blackjack" and the player is paid out immediately unless dealer also has a natural, in which case the hand ties. After a bust or a stand, play proceeds to the next hand clockwise around the table. Cards are dealt either from one or two handheld decks, from a dealer's shoe , or from a shuffling machine. Once all the players have completed their hands, it is the dealer's turn. The dealer never doubles, splits, or surrenders. At 17 points or higher the dealer must stay. The dealer's hand receives its first card face up, and in "hole card" games immediately receives its second card face down the hole card , which the dealer peeks at but does not reveal unless it makes the dealer's hand a blackjack. The dealer then reveals the hidden card and must hit until the cards total up to 17 points. If the dealer does not bust, each remaining bet wins if its hand is higher than the dealer's, and loses if it is lower. The eye in the sky usually makes a video recording of the table, which helps in resolving disputes and identifying dealer mistakes, and is also used to protect the casino against dealers who steal chips or players who cheat. In European casinos, "no hole card" games are prevalent; the dealer's second card is neither drawn nor consulted until the players have all played their hands.