How to play Blackjack
How to play Blackjack

How to play Blackjack

Blackjack, also known as Blackjack, originated in France, has spread all over the world, and has a long history. Blackjack can now be seen in casinos all over the world, and with the development of the Internet, blackjack has begun to move towards the Internet age. The game is played by 2 to 6 people and uses 52 cards except the big and small kings. The player’s goal is to make the sum of the cards in his hand not exceed 21 and be as large as possible.

game origin

Blackjack has a long history, and around 1700, French casinos had this blackjack card game. French name: vingt-et-un (literally, 20 and 1, because of the complexity of the French number itself, it is a simple 21), so the game was called “21” after it became popular. Blackjack first appeared publicly in Nevada casino clubs in 1931 when Nevada declared gambling a legal activity, and within 15 years it replaced the game of craps and became a very popular gambling by casino bookmakers. game.
It appeared in Asia for the first time in Hong Kong in 1957, and then developed rapidly. In less than five years, it developed into the three favorite games of Chinese people along with Pai Gow and Mahjong.
With the development of the Internet, blackjack has begun to move towards the Internet age. For example, gaming companies in the Philippines have this game.

game rules

The game is played by 2 to 6 people and uses 52 cards except the big and small kings. The player’s goal is to make the sum of the cards in his hand not exceed 21 and be as large as possible. When playing 1 deck, one of each of the following (no big or small kings):

Blackjack generally uses 1-8 decks of cards.
The calculation of the poker points in everyone’s hands is: 2 to 9 cards, calculated according to their original points; K, Q, J and 10 cards are counted as 10 points (generally recorded as T, which means ten); A card (ace ) can be counted as either 1 point or 11 points, and it is up to the player to decide (when the player stops trading, the points will be regarded as the maximum and try not to explode, such as A+9 is 20, A+4+8 is 13 , A+3+A is regarded as 15).
The following rules (soft 17) and procedures are slightly different depending on the casino, please be sure to understand!
At the beginning of the game, the dealer (dealer) deals each player (also known as the player) with two cards face up (open cards), and then deals two cards to the dealer himself, one open card and one dark card (the face of the card). down).
When all the initial cards are distributed, if the player gets A and T (regardless of the order), he has a Black Jack; if the dealer’s open card is T and the dark card is A, he should turn it over directly And have Black Jack; if the dealer’s card is A, the player can consider whether to buy insurance (Insurance), the insurance amount is half of the bet and will not be refunded. At this time, if the dealer’s hidden card is 10 points (which constitutes Black Jack), then this card is turned over, and the player who buys insurance will get 1 times the bet; if the dealer has no Black Jack, he will keep the hidden card and the player will continue to play. If the player is Black Jack and the dealer is other, the player wins 1.5 times (or 2 times, 2 to 1) bet; if the dealer is Black Jack and the player is other, the dealer wins the bet; if both the dealer and the player are Black Jack, a draw , the player gets his bet back.
Then there is the normal card process: the first non-blackjack player chooses to hit (Hit), stand (Stand), double (Double), split (Split, when two cards are the same) or surrender (Surrender, the dealer wins half bet); if you choose to draw, you can only choose to draw or suspend. During the deal, if the sum of the player’s cards exceeds 21, the player loses – a bust is called, and the dealer wins the bet (regardless of the value after the dealer). If the player doesn’t bust and decides not to take any more cards (stop, or terminate due to a doubling or surrender), it is the next non-blackjack player’s turn to choose.
When all players stop taking cards, the dealer turns over the hidden cards and continues to take cards until the point is not less than 17 (if there is an A, it will be calculated as the highest and try not to burst). If the dealer busts, then he loses and the player wins 1x the bet; otherwise, it is a big win compared to the number of points. If the points are the same, it is a tie, and the players get their bets back.

game skills

Generally, players will continue to take cards when the sum of the points is 4-8, and no longer take cards when they reach 17 or more (the probability of bursting when the pile is even), but it is also possible that they will no longer take cards at 12. Cards or 18 to 19 points and still continue to get cards (very rarely, it must be combined with other players on the field and the remaining card piles).
blindfold
This method is mainly suitable for players, and it is suitable when many players are involved.
Generally, when the player’s open card is 10 points, if the bottom of the card is 3~7 points, it is generally very uncomfortable to get this kind of point. If you want a card, there is a 50% chance of violence, because the player’s violence point is 100 If you lose %, you may also lose if you don’t play cards. I will call it embarrassing points for the time being. At this time, if the player observes that the other players have higher points and no cards, they can follow suit. In this way, it will put a lot of pressure on the banker, thinking that each player’s card is a relatively large point. If the banker also holds an embarrassing point, this situation can only force the banker to ask for a card. It is very clear that this blinding method used invisibly is to transfer the risk to the banker. Winning or losing is determined by heaven. It depends on which one is lucky. If the banker bursts, the player will win.
Jiang Taigong fishing method
This method is mainly suitable for bookmakers.
As the name suggests, Jiang Taigong fishes, and those willing to take the bait. Actually this method is quite simple. Generally, you can occupy a favorable position when you are the banker, and make a decision after watching the player’s points and betting after the player has finished his cards. In most cases, we can guess the number of idle points, especially in the case of violent points, it can generally be seen. This situation is particularly beneficial to the banker. At this time, the banker is guaranteed to win, and don’t have the mentality of winning. At this time, the banker can ask for cards and wait for the money. Maybe there is a chance To get a 5 little dragons, 6 little dragons. Of course, if there are many players involved, the dealer must make a comprehensive analysis based on the actual situation and the amount of bets to decide whether to ask for a card.
Remedy
This method is applicable to both the banker and the player.
The so-called remedy is to get the embarrassing points mentioned above, and the possibility of losing is very high. When we know that the number of cards is smaller than that of the opponent, we can only ask for cards, because not to lose, And there is still a glimmer of hope to win, so all we can choose is to run to that glimmer of hope. It is better to have hope than to give up hope.
split time
In blackjack, if you encounter two cards with the same rank, you can split the cards. Generally, when you get embarrassing points, it is best not to split the cards, because that turns one difficult problem into two difficult problems. In general, the best split hand shape is AA. Because the probability of getting 21 points after this split is two 4/13, because among all the cards, there are 4 cards representing 10 points, 10, J, Q, K. It’s odds are at best 4x. Even if it gets 5 dragons, its maximum odds of winning are only 3 times. And this probability is much smaller than the probability of getting a blackjack. Of course, many cases can also be treated in special circumstances.
double use
In general, most players are familiar with this effective use of doubles. Generally, it is more appropriate to use double when the two cards are 10 or 11. Because double is the limit for us to ask for a card, we can only ask for one card. Of course, we want a card to be the one with the highest probability. At this time, we should use the 4/13 probability problem. We need to represent the card with 10 points. This The probability is relatively high, so there will be more chances of winning.

card counting skills

Introduction
Blackjack card counting first appeared in the early 1960s. The book “Beat the Dealer” was published in 1962, introducing card counting to the public system. This is no longer our usual turnip bet, but a mathematically based method, because it places different bets b(i) at different winning probabilities p(i), although the sum of the total winning probabilities Σp (i) is still less than 1/2, but as long as p(i) is large with large b(i) and p(i) small with small b(i), the total return Σr(i)p( i) is greater than Σb(i). Among them, the “10 method” is more difficult to operate and requires extremely high mentality and attention.
high-low card counting
After the unremitting exploration of countless players, the card counting method has continued to evolve, becoming more and more simple and practical. One of the more popular methods in 2013 is called “high-low”. During the game, we count each 2, 3, 4, 5, 6 as +1 point, 7, 8, 9 as 0 point, 10, j, q, k, a as -1 point, Add up the points, and the larger the result, the more small cards that have appeared in the front, and the more favorable it is for the player (the dealer is easy to get a big card and burst). Conversely, if the result is a negative number, it means that there have been more high cards than low cards, which is beneficial to the dealer.
For example, the preceding cards are:
4, 9, 10, 5, j, a, 8, 10, q, 2, 6, k, j, 7
Then the point is 4 small cards minus 7 high cards, which is -3. Of course, in the course of the game, you can’t ask the dealer to suspend the game and let you add or subtract calmly. You have to count the points in your head as each card comes out. From the very first card, you should work out in your mind:
1, 1, 0, 1, 0, -1, -1, -2, -3, -2, -1, -2, -3, -3
In actual application, the technique of counting two cards can also be adopted, because the dealer usually deals cards at a faster speed, which can easily offset a lot of high cards and small cards that appear at the same time, which improves the card counting speed and reduces the possible calculation errors. For example, in the above example, if two cards are counted together, that is:
1, 1, -1, -2, -2, -2, -3
If it’s a deck, -3 is already a bad number, and you should make the minimum bet, or stop playing. However, in general, casinos use six to eight decks of cards, so in the six decks of 312 cards, 14 cards are dealt, and there are 298 cards left. The average number of points per deck is (-3) × 52/ 298=-0.5, still tolerable.
Obviously, in each deck of cards (“shoe” refers to the process of a deck of cards from being dealt to shuffling, there may be six, four, eight, or any other number of decks in the deck. ), since most of the cards have not yet been dealt, the average value is always around 0. It is only when there are not many cards left in the shoe that the average may deviate significantly from 0. Therefore, card counters will look for a suitable table when counting cards. On the one hand, they should find a table with fewer people, because the fewer people, the more times you play in a unit time, and the actual income will be closer to the expected value; On the other hand, we need to find a dealer who cuts less cards, because the casino only has a rough rule on how many cards to cut, and the specific implementation still depends on the consciousness of the dealer. Therefore, in the same casino, the cards cut by different dealers It will often be a lot worse.
How to raise the bet when the number of points increases, each card counter has his own habits and algorithms. In theory, if you have the advantage of a and the total cost is r, then the optimal bet is b=a*r.
For example, if you have a capital of 10,000 yuan, and you have a 1% advantage, then you should put down 100 yuan in this. Although this method can theoretically yield the greatest return, it is too risky in practice and can only be regarded as an upper limit when placing bets.
When the points are 0 or negative, the player should place the minimum bet. Of course, it is best to simply not play and wait for the points to become positive. That’s what the early card counters did. In the casino, from the table managers cruising between the tables to the monitors hanging from the ceiling, they watched every player’s behavior. If you always press badly and press hard, you might as well write five big characters on your face: “I am a poker player”, maybe it will be exposed later.
This is also a big advantage of online blackjack games, without the aggressive eyes behind, players can use all the basic strategies and card counting methods more calmly, thus weakening the advantages of online casinos.

game term

application term
BLACK JACK: The sum of the points of two cards in a hand totals 21 points (such as an A card and a flower card or a 10-point card).
HIT: Take another card. Players can ask for cards as long as the total number of cards in their hands is less than 21. The dealer is forced to take the card or choose to take the card according to the rules.
STAND: No more cards. In any event, the player may choose to stop asking for cards.
SPLIT: The player makes another bet equal to the original bet and divides the first two cards into two separate decks. The two cards must be of the same rank (i.e. a pair of eights, a pair of kings or a pair of queens, and in some plays two 10-point cards such as a 10 and a queen can also be split). However, the blackjack after the general split can only be calculated as ordinary blackjack, and its odds are only 1 to 1. After the cards are divided, fill up 2 cards in turn, and calculate them according to the original rules.
Double bet (DOUBLE): After the player gets the first two cards, he can make another bet equal to the original bet (double if he thinks it is less), and then he can only take one more card. If you have a blackjack, you are not allowed to double bet. (In some ways, you can also choose to double bet if you get 3 or more cards, but you can only get one more card; in some ways, you can still double bet after splitting the cards)
INSURANCE: If the dealer’s face-up card is an ace, the player can buy insurance, which is an additional bet equal to half of the original bet. If the player is sure that the dealer’s next card is a 10, they can buy insurance. If the dealer does have a blackjack, the player wins 2x the insurance bet; if the dealer does not have a blackjack, the player loses the insurance bet and the game continues as normal. Blackjack is greater than any other hand with a total of 21. (In some games, insurance is not allowed)
Surrender (SURRENDER): If the player has only two cards in hand, he has the right to choose to surrender and return half of the bet (applicable when the dealer’s reversal card is not A) (surrender is not allowed in some games).
WIN: Players will be assessed as winning if their cards are blackjack (the dealer does not get blackjack at the same time), the player’s score is closer to (but not more than 21) the dealer’s score, or the dealer’s score exceeds 21 Points (player points up to 21).
Tie (PUSH): That is, when the player has the same number of cards as the dealer, or both are blackjacks, there is no winner or loser, and the bet will be returned to the player.
Banker wins (LOSE): The banker is blackjack (but the player does not get blackjack at the same time), the banker’s points are closer to 21 points than the player’s points (but not more than 21 points), the player’s points have exceeded 21 points (regardless of the banker’s points) whether the number exceeds 21).
Odds: Blackjack 2 to 1 or 1.5 to 1, Insurance 1 to 2, others 1 to 1.
symbol
H takes the card (Hit)
S Suspension (Stand)
D Double bet (Double)
P Split
Other symbols:
Dh doubles, choose to take if not allowed
Double Ds, choose to suspend when not allowed
Surrender (Surrender)

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