Mike from Bossier City, USA. ; The ace has a value of either 1 or 11, depending on the player’s choice. Number cards have the value of the number on the card. They consist of single or multi-level methods, balanced counts, and unbalanced approaches. T, the Hyland, and the Church. For example, if the first ten cards to come out of the shoe were 3, 5, K, 7, Q, A, 8, 5, 4, 2, then the running count would be 1 +1. One of the things that you really must know in order to play online blackjack properly is the blackjack card values, as these will tell you what your hand is worth in total and therefore whether or not you have a good chance of winning, as well as then telling you who has won after the dealer takes their turn. Card suits have no meaning in blackjack. getting an Ace and a 5 can be considered either a 6 or 16. For example, if you have Ace-5 (a soft 16) and then draw a 10, your hand becomes a hard 16. Easy, right? In a standard deck, you’ve got 36 of these numbered cards, ranging from 2 to 10. 4 counts as four points, 7 counts as seven; Face cards (Jacks, Queens, Kings) all count as 10 points; The Ace can be a 1 or 11, and you can choose their value throughout the round. Blackjack card values. The numbered cards (2-10) are worth their face value. If a player is dealt this hand, then the hand is immediately compared with the dealer’s hand. Aces are worth one or eleven, whichever is better for. Blackjack, also known as 21, is a card game in which a player or players compete against the dealer or “house”, by obtaining a sum of cards that is as close to 21 as possible, without exceeding that value (busting). Meaning, it exceeds the total of 21. In blackjack, the cards don’t increase in value from 2-Ace. In Blackjack, numbered cards (2 through 10) are worth their face value, picture cards (jack, queen, and king) are worth 10, and an ace is worth either 1 or 11 depending on your other cards. If the dealer reaches 21 before you, you’ve lost. Picture cards count as 10 and the ace can count as either 1 or 11. • All other cards, including Ace-9 make up the remaining 69. If the player is dealt an Ace and a 10-value card as the first two cards, it is a natural blackjack, and the dealer pays 1. This idea has led to several strategies that players can use to maximize their chances of winning. So you could indeed get a count of 21 with more than 2 cards, but it wouldn’t be called a blackjack, and all books about blackjack rules would tell you that. If the dealer also has a blackjack, the player usually still wins. The rules of Blackjack can vary by country and even by casino. It is always considered beneficial during the game. A: The king is the highest card in a deck of playing cards, while the blackjack ace value can be 1 or 11. In Blackjack, the cards have different values. Basic Blackjack rules. In Britain since World War I, the informal game has been called pontoon. Or, if one of the cards is an ace and the other ten, this is a natural blackjack. The card can change its value with regard to the cards drawn to their hands and the player’s preferences. 25%. The values of the cards correspond to their numerical value from 2-10. Read the full rules. player and dealer will contain all the card information for each player. Blackjack Card Values. Rules are dependent on game type, and limits may vary from table to table. How to Count Cards in Blackjack: Thorp Method. I put the terms in alphabetical order. A soft hand has an Ace valued at 11, while a hard hand does not have an Ace, or alternatively has an Ace valued at 1. 1. Card Values/scoring. In Blackjack, the cards have different values. Obviously trying to calculate these percentages while playing blackjack would be very hard, which is why we use plus and minus 1. To use this table, look. Here are the basic steps: Assign card values of +1 (cards 2-6), 0 (cards 7-9), or -1 (cards 10-Ace). By keeping a running count of the cards dealt and adjusting it based on their values, players can estimate the proportion of high cards to low cards remaining in the shoe. The player has one clear goal in Blackjack - to beat the dealer by building a hand with a value equal to or as close as possible to 21 without busting. What are the card values in blackjack: Cards from 2 to 9 are valued at face. This means an Ace (carrying the value of 11) and a 10 card (any of the face cards or the number 10). 3. However, you should study card values to understand how to play blackjack. def value (self): value = 0 has_ace = False for card in self. With Infinite Blackjack you compete against the dealer only, not against other players. As described above, if the dealer has a blackjack, players with blackjack make a push, while all other players lose. Here's a graph on the value of these cards and their effect when removed from the deck. Cards 7-9 assume a 0 value, and cards 10-Jack-Queen-King-Ace assume a value of -1. Now we're ready to start the game. This card at hand might be your most valuable piece. Aces may be counted as 1 or 11 points, 2 to 9 according to pip value, and tens and face cards count as ten points. Regardless of their suit, each face card is worth 10 points. . When a player has an ace in their hand, they often have the choice of deciding whether the ace counts as 1 or 11, depending on. Dubner simplified Dr. Card counting is more of an advanced blackjack strategy, where you assign values to each card and add or remove them based on the cards appearing during the round. Ace cards have a value of either 1 or 11, depending on current circumstance. The game cards from two to nine are so-called number cards and count with their own value. What is the joker in 21? A: The joker in 21 is a card that has the value of 0. Before the deal begins, each player places a bet, in chips, in front of them in the designated area. In black jack, the suit of a card has no significance and only the value of a card matters. This is a winning Blackjack hand that gets a greater payout from the house. Cards 10 through ace have a -1 count. If a hand has an ace whose value is 11, it is called soft, and the opposite is called a hard hand. When the value of dealer's revealed card is 4,5 or 6, it may be fruitful to double your bet with an Ace and 4 in hand. Blackjack You get a blackjack when an ace is dealt followed by a 10-value card to a total of 21. It is possible to take insurance bets if the player believes that the dealer has an Ace and a 10-value card. The values for the different cards are as follows: Cards 2 to 6: +1. The running count keeps getting updated with the latest data after every deal. In the rules section, we explain the basics of the game with intuitive examples and illustrations. AfterAll other cards are worth face value and Jack, Queen and King are worth 10. A blackjack hand beats any other hand, also those with a total value of 21 but with more cards. Hi-Lo. For example, if the first ten cards to come out of the shoe were 3, 5, K, 7, Q, A, 8, 5, 4, 2, then the running count would be 1 +1. If the playing card is a 2-10 its worth the face value of said card. The value of number cards is indicated on the card itself. Numerical cards (2-10): Numerical cards. If you use your ace as an eleven, your hand is called soft. Use this information to calculate the count per deck or “true count”. The game is also famous with another name, and that is 21. Blackjack etiquette defines customary codes of behavior, politeness, and respect for the blackjack croupier, fellow players, and the casino. Start at 0 and as each card comes up, add it to your tally. In this way, the methods of BlackJack can be unit tested, and the class can be reused and extended more easily. Below is a table with the card values used during a game of Blackjack. The best Blackjack hand he can obtain is a natural Blackjack - an ace and a ten-value card. It’s a losing hand. deal_one_card () ##print (card) # Player # Deal first card card = playing_cards. This game is a unique variant of Blackjack Surrender, where players can cash in before the dealer has completed. 3. Blackjack is played with 1 to 9 decks of 52 cards each. Cards 1 through 10 are numbered Jack, Queen, and 10 King. Remove one card from the deck and keep a running count; you should know what card value you removed by the end. Blackjack is a table casino game that, on the surface, is incredibly simple. The objective of Infinite Blackjack is to achieve a higher card count than the dealer, but without going over 21. 1. It is challenging, but it can help you make the right decisions and even bring the edge to your side. One of the best aspects of blackjack is that the type of card you’re dealt doesn’t really matter. As long as the dealer does not also have a Blackjack, the player is guaranteed to win the hand and the payoff is 3:2 instead of the normal 1:1. You add up the value of all the cards in your hand to get your score. A hard hand is defined as such because the total of both cards includes the risk of a bust. BLACKJACK TERMS Splitting Pairs: If your first 2 cards are a pair with the same numerical. Cards 2 through 6 have a +1 count. If we make 21 exactly, we have blackjack, which can't be beat. The reason why I decided to do this specific project was to improve my object orientated programming in java. If you go over 21, you go ‘bust’ and you’ve lost. Blackjack Card Values. The difference is that the dealer has the casino watching over him to ensure he will follow the rules. Rules are dependent on game type, and limits may vary from table to table. The aim of the game is to get as close to 21 as possible while still beating the dealer’s hand. 38%. Numerical cards (2-10): Numerical cards maintain their face value. CARD VALUES • 2 through 10: face valueCounting Cards Can Be Broken Into 4 Steps: Step 1. The face cards (jacks, queens and kings) all have the same value of 10 per card, and a deck features 12 of these cards. To understand Blackjack card values, read below and learn the main characteristics of player and dealer hands and how to play soft or hard hands in Blackjack. A blackjack is any initial two-card hand that. Aces have a value of either 11 or 1 as needed to reach 21 without busting. Face cards are essential in blackjack because they are worth 10, which is a significant number. all players play against the house / dealer with face up cards at the center of the table. Jacks, queens, and kings are worth 10 points. For instance, if a hand comprised of an. Numerical cards (2-9) have a value equal to. Take a single deck of cards and keep a running count through all the cards. value if card. Try to remember that the face cards. Like numerous other online card video games readily available at our mobile gambling establishment, Blackjack is played utilizing a basic card deck. The deuce through nine cards are worth whatever the rank of each card is. If you split Aces, only 1 card will be dealt for each hand. Blackjack card values: All cards count their face value in blackjack. That's not to say that your card values won't beat the dealer's hand unless you have 21 blackjack card values. Below is the simplified procedure that we will use for this assignment. The goal of 21 is to amount your card values as near to 21 as possible without exceeding or 'busting' it. From the numbers alone, it’s clear that blackjack is one of the most popular casino games. The opponent is always the house, i. Start at 0 and as each card comes up, add it to your tally. The Values of the Cards in Blackjack. Blackjack rules. As cards are revealed, keep adding or subtracting from the Running Count, according to the point system in step 1. The goal is to ask for cards to beat the dealer’s hand without exceeding 21, each card accounting for its nominal value (Kings, Queens, and Jacks are worth 10). Below is a helpful scoring chart that can remind you of the value of particular cards. Ace – A value of 1 or 11. The objective of the game is to have a hand. In blackjack, the card values are as follows: Number Cards. Ace is counted as one or 11, depending on the situation. Live Online Blackjack Card Counting. Card values in blackjack are fairly simple. Here in this section of our blackjack guide, we discuss blackjack card values and how they impact the game between you and the dealer. Face cards are worth ten points. The suit of a card is meaningless in blackjack, only the numerical value has meaning. Standard values in a game of Blackjack are: Face cards of the Jack, Queen and King are worth ten Cards two through ten are worth their face value The Ace has two possible. co These are the blackjack card values used in almost all blackjack game variations: Number cards (2, 3, 4, 5, 6, 7, 8, 9, 10_ are played at face value. Instead, players calculate the worth of their hand by summing the values of all the cards in their hand. Make sure you keep the card pressed flat on the table so the players don’t see what card’s value is. To start counting cards, you need to know the blackjack card values. In order to understand how the best strategy is computed, lets have a look at the Blackjack rules. The ace can count as 1 or 11. You may want to surrender if you have 16 in your hand while the dealer has a 9,10 or A. All face cards count 10. Why do jokers exist in cards? Card Values. Here’s how you can count cards in blackjack: 1. Cards 10 to Ace: -1. Here are each of the card. Step 2: Learn how to count cards in blackjack. Each card in blackjack has a specific value which you then add to get the total hand value. Depending on the house rules, this hand is usually awarded 3:2 on the player’s. Asymmetric systems, such as the Knock Out system (KO), are designed to eliminate the proper value of the cards (more in step 3). The cards numbered from 2 to 10 hold the same value as their face value. The basic strategy for hitting in Blackjack is to take another card if your hand is valued at 8 or less, or if your hand is valued at 12-16 and the dealer’s up card is 7 or higher. The deck is in the init. Card Values in Blackjack. Just as the dealer must follow certain rules, so must you. Cards worth 10 have a value of -1. 2. Technically, scoring 21 with more than two cards is not considered. A 3 is three, an 8 is eight, and so on. The main Blackjack card values. Now that you know the basics around how card counting works, here is a short step-by-step guide on how any given round of Blackjack: If a card has a value 2-6 then add the tag +1 to them. Having a true count +1 with six decks of cards basically means that the casino no longer has an advantage, given optimal play. It is a card game where the objective is. Blackjack is the world’s most popular casino card game. Blackjack is a card game playable in any of the six working casinos in the Mojave Wasteland. Burn Card – This is the dealer’s first card, which is placed face-down. So the probability of an ace first blackjack is (4/52)* (16/51). Before playing, players must learn the blackjack hand values. Understanding blackjack card values is an important part of playing the game effectively. When using the Wong Halves counting method, the 3, 4, and 6 cards are valued at +1, the 2 and 7 cards are valued as +0. Then the blackjack game starts and the cards are dealt. Having an ace means that you have something. Number cards - Cards numbered 2 through 10 hold their numerical value. In most casinos, the blackjack table is covered with green cloth and seats up to 7 players (some casinos also offer 5-seater blackjack tables). As a player, your goal is to get as close to or exactly 21 without going over. persistent dec; %persistent makes it so matlab stores this variable. busted: the value of the hand has exceeded 21. 3. Player Gets a Blackjack: If the player receives a blackjack (Ace and a 10 or Face Card), they win automatically and receive the blackjack payout. So let’s break that down - here’s all the blackjack card values:PRO TIP:Blackjack card values are simple to understand – all numbered cards (2-10) are worth their face value, aces are worth 1 or 11, and face cards (Jack, Queen, King) are all worth 10. The game is played with one to eight decks of 52 French cards. The objective of blackjack is commonly known as achieving 21 or as close to 21 as possible but change the objective to beating the dealer’s hand and the game shifts. It features only two cards per hand and wins can be achieved in mere seconds with the goal being to achieve a hand value closest to 21 without going over. Тhe Jack, Queen, and King are worth 10. Snyder’s Red 7 card counting technique is the first unbalanced point count system ever invented. 10, J, Q, K = 10. """ return randint(1, 13) def _get_hand_value(cards): """Get the value of a hand based on the rules for Black Jack. Step 2. The basic premise of the Advanced Omega II system is the same as other methods. This will pop a Card right out of our stack and will sum the Card value to the current users Total score. The payout for this will be 3:2 or 6:5, depending on the particular blackjack rules of your table. The Ace complicates issues since it can assume a value of 1 or 11, but. Another way to model this is 'A' in {card. It is also the only card with a value of zero. The iterations value will determine the number of times I’ll test each scenario, currently set to 1 million. Step 1: Card Values. All 8s are 0, 9 is valued at -0. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this siteIf the value of the hand with an ace puts it over 21, the ace is valued at 1. It is more complicated than the conventional values of +1, 0 and -1. Every card in the deck has a specific value. Blackjack Rules. Accordingly, cards from 2-6 are assigned +1, cards from 7-9 get a 0, and the rest of the cards in the. You get a blackjack. Blackjack Rule #1 | Card Values. a 2 is assigned a value of 2, a 3 is counted as a 3, and so on, all the way up to 10. Then there is the ace. blackjack: is a two-card hand where one card is an ace and the other card is any face card. Deck is definitely not a Card child, Deck is sort of collection of cards. The ace has a value of either 1 or 11, depending on the player’s choice. The blackjack card values are: Cards from 2 to 10 are counted at their point value - i. They’re easy to remember and retain the same value in nearly all the Blackjack variations. The Uston APC works just like other card counting methods. If the dealer goes bust, all players still in the round will be paid out according to their bets. Card counters do not require exceptional mtal skills; They do not track or remember specific cards. Here are the values of different cards: Cards 2-10: The card number is the value; Jack, Queen & King: All are worth 10; Ace: It can be either 1 or 11, whichever is better for you; Card value is the key factor in card counting. The fewer decks used, the higher the player’s advantage, as more decks mean more advantage for the dealer. For example, if the first two cards have the same value, a player can split them into two hands and wager on them separately. Player’s Turn: Draw Option: Player can draw additional cards. Any player that goes past 21 loses the game. e. However, face cards or picture cards have different values. Here are the values of different cards: Cards 2-10: The card number is the value; Jack, Queen & King: All are worth 10; Ace: It can be either 1 or 11, whichever is better for you; Card value is the key factor in card counting. Getting a blackjack (a natural total of 21) results in a 3 to 2 payout, which makes a big difference in the player edge. All card values are their actual values with the exception of face cards which are valued at 10 and Ace cards which are valued at either 1 or 11. A two-card 21 wins over a multi-card 21 in all circumstances. The value used for each ace is whichever puts the hand's score closest to 21 without busting. Face Cards. It uses decks of 52 cards and descends from a global family of casino banking games known as " twenty-one ". The above function is used to calculate the score of a hand. For instance, if you get a seven and an eight, your hand total is 15. e. Aces can be worth either 1 or 11 points, depending on what is most advantageous for the player‘s hand. However, if the dealer’s upcard is a 10-value card, you will surrender (if available) when the dealer stands on soft 17, otherwise hit. Card suits have no meaning in blackjack. This is a valuable bonus that occurs about every 20 hands. 5 and the 9 is worth -5. Start by assigning cards a value of either +1 (cards 2-6), 0 (cards 7-9), or -1 (cards 10-Ace). In Blackjack, the card values are the foundation of the game’s simple yet intriguing math. These cards are worth exactly what their face indicates. They’re easy to remember and retain the same value in nearly all the Blackjack variations. Bust Losing hand. The dealer must always hit on 16 or less and stand on 17 or more. If the dealer’s hand is a Blackjack, the game is a Standoff. This Blackjack Card Counting method tells the player what cards are predominantly remaining in the deck, High cards or Low cards. Finally comes the ace. Many players assume free bet blackjack is a free version of the popular casino table game. That hand makes 18, not 21. Your goal is to draw cards with a value as close to 21 as possible without going over. What you need to do is ‘keep the count’ by adding up all of the cards that have been dealt using the point system. The goal of Blackjack is to have one's cards add up to 21 without exceeding it, which if so, is referred to as "going bust. Blackjack can be played with 1 to 12 players. Face cards are valued at 10 points each. The most common card counting system is the Hi-Lo system, which assigns a value of +1 to cards 2 to 6, a value of 0 to cards 7 to 9, and a value of -1 to cards 10 to Ace. The higher the positive count on the table the lower the likelihood of a low. -The object is to draw cards to get as close to 21 as possible. That's a pretty high percentage of hitting a 10-value card when you draw in blackjack. The running count is your signal to increase or decrease your blackjack bets. preferred card counting system for many card counting professionals and teams such as the M. You should understand right from the beginning that the Hi-Opt II system is more complex than most counting methods. Blackjack is a popular card game played in casinos around the world. The dealer’s first card faces up, the second faces down. Card Values. Card Values: In blackjack, the suits of the cards have no significance. function card = dealcard; %This program will allow someone to draw a card at random from a full deck. Jack: 10. See the card values in blackjack below: Numbered cards (2 to 10) retain face value. Learn how to count cards with these 4 simple steps: 1. A card counter will first assign card values to each of the cards. You can find single shoe blackjack in smaller casinos off the Vegas Strip if that is what you are looking to play. The objective of Blackjack is for the Player to have the total of his/her cards as close to 21, without exceeding 21, while also beating the Dealer’s hand. Blackjack Card Values. Cards two through ten are worth their face value. The first step on your way to learn blackjack is memorising the game’s specific card values: Cards from 2 to 10 are taken at face value. e. Keep a running count with each card the. Another containing a queen-5 totals 15. Fortunately, the card values when playing blackjack are simple and easy to understand as they are more or less face value. In the game of blackjack, face cards, which include kings, queens, and jacks, all have the same value. Blackjack at Sycuan is played with 2-8 decks. The dealer "busts" which means their point value exceeds 21. [4] Deal 1 more face-up card to the players and yourself. Now, let’s talk face cards. That means each card has a value based on the number of the card. [1] Cards 2-6 have a value of +1. Getting an ace and a 10-point card (blackjack/natural) is the best possible hand and usually pays out at. The value of the ace will be 1 instead of being 1 or 11. The Hi-Opt II method of card counting takes the Hi-Opt I as a foundation but introduces new point values in an effort to increase the accuracy and efficiency of the count. The “can you change the value of an ace in blackjack” is a question that has been asked many times before. A card with the number four, for instance, has a score of four, while a card with the number six provides a score of six. Cards one through 10 are called “face cards”. Blackjack Card Values. Cards 2 – 10 = Their face value (a 2 is worth 2, 3. To start a hand,. Pay close attention to this call. Face cards (jacks, queens, and kings) are all value 10 factors every. Card values: numbered cards worth their number, 10-K worth 10 points, Aces worth 1 or 11. Each player can take a seat and make one bet or make three bets and get. Number cards 2 to 10: face value. The blackjack card values are: Ace = 1 or 11 2-9 = Face Value 10, J, Q, K = 10Blackjack uses standard 52-card decks. The Ace is unique in blackjack as it is the only card that can assume two values. EV. Regardless of the suit, the King of diamonds, the Queen. 7: Effect of card removal; 8: Analysis of blackjack side bets; 9: Composition-dependent expected returns for 1 to 8 decks; 10: Continuous shuffling machine vs. Aces are worth 1 or 11, whichever value gives the best score without busting. How could this be better?A blackjack game in progress. When it comes to values, there are three things you should know: Ace has two values – “1” or “11. Players are dealt 2 cards. Card Counting – This is a way of keeping track of which cards have been dealt by memorizing. Players with a blackjack win a bet plus a bonus amount, which is normally equal to half their original wager. A blackjack hand beats an ordinary 21 hand of three cards or more. As for the game’s flow, the dealer deals two cards to the player facing the clock. The dealer will begin by dealing two cards to themselves and two cards to you. " Screenshot from game: Ibb. The cards from 2 through 9 are valued at their face value. Aces can either be 1 or 11 points. Blackjack is scored, on a hand-to-hand basis, by the numerical value of the cards in one’s hand. If a card has the value 10-A then assign a -1 to them. Step 6: learn the dealer’s hand. The Ace has a dual value – 1 point or 11 points. Face cards (Jack, Queen, King): all worth 10 points each. In fact, it's a real money blackjack game with some 'free' side bets. An Ace with any 10, Jack, Queen, or King is a “Blackjack. Blackjack is played with one or more standard 52-card decks, with each denomination assigned a point value. The first player counts the two cards dealt face-up and adds the values to get a hand total. Description# Card Values: Face cards (Jack, Queen, King) have a point value of 10. The goal of blackjack is to get a hand as close to 21 as possible, while achieving a high-value card than the dealer, all without going over 21, which is known as going 'bust'. Each player receives two face-up cards, while one of the two dealer’s cards is dealt face down. Their numerical value equals their blackjack card values meaning that the card value of 2 is 2, and the card value of 3 is 3 and so on. With blackjack, calculating this house edge is harder. self. The distinction between cards and their values begin on picture cards. Winning or Losing a Blackjack Hand Online. Blackjack is played with 1 to 9 decks of 52 cards each. Assign a value to every card. Also known as Pontoon, 21, and Vingt-et-Un, blackjack continues to be a widely played card. The blackjack hand beats all others, and blackjack vs. When playing Blackjack the numeral cards 2 to 10 have their face values, Jacks, Queens and Kings are valued at 10, and Aces can have a value of either 1 or 11. You. In this article, we will discuss the. Blackjack uses a full deck of 52 cards, however, some games can use more than one deck. The values of the cards in blackjack are therefore: Ace: 1 or 11 points. Don’t forget that with blackjack card values, Aces can count as 1 or 11. Ace card is counted as 1 or 11 points, numbered cards (2 to 9) are counted at face value. 2. See, also, Up Card. Blackjack is played with a conventional deck of 52 playing cards and suits don’t matter. Set 1 card face-down in front of you. cut card; 11: Value and strategy for 678 and 777 bonuses; 12: Risk of ruin statistics; 13: Probabilities in the first four cards; 14: Value of each initial player card10, J, Q, K – Value of 10. The Ace is always valued at 11 unless that would result in the hand going over 21, in which case it is valued as 1. The range of these values is a function of the number of decks in the Blackjack shoe, which is commonly six. Finally comes the ace. Step 5: click ‘stand’ Click 'stand' when you are ready to play your hand. Blackjack is only made with 2 cards. Blackjack can be played with one or more decks. Blackjack Card Values. Number cards = Face value of card; Blackjack: One Ace and any card with a 10-point value; You can keep score according to wins, and determine the winning player by the number of games won. But, calculating a hand's value is hard. The hand doesn't need to know its owner, the logic for which Cards in the Hand to show should be in the Player. Card values in Blackjack . So an ace and a six would give you a soft seventeen. Is the joker card used in blackjack? A: The Joker card is a wild card in blackjack. The number of decks might be different in various version of the game, but one to eight decks are generally used. 3. cards. At most casinos, blackjack plays 3:2. 2. Face cards (J, Q, K) have a value of. Instead, all numbered cards (2-10) are worth their numeric value, all face cards are worth 10, and Aces are worth either 11 or 1 - whichever gives you the highest value without busting. In blackjack, the card values are as follows: Number Cards. (1) As you've discovered it ends up mapping the Jack, Queen & King to all be 10's when you try to reverse the mapping from int to Value.