You can achieve a very low house edge but only if you learn the basic playing strategy. For all practical purposes, an even gamble, but still the slightest bit in favour of the player. This is a very. 17% for a single-deck game and around 0. This only works if the dealer has a 4, 5, or 6. Details Directions. 16. Hard nine vs. The cell where these meet will show you what action you need to take. Lots of old-school guys are going to tell you that a single-deck blackjack game is the one with the best chance of winning, and that you should only ever play single deck. The player edge in single-deck blackjack on my site is based on otherwise multiple deck rules, which rarely exist in single deck. 13%. Players take turns flipping one card at a time into a central pile. Hit when your hand is 12-16 when the dealer has 7-Ace. Try your best to avoid 6:5, or even worse, blackjack that offers even odds. As you can probably guess, this version of blackjack is played with a single deck, or 52 cards, making it easier for players to remember the cards that came out and the ones that are left. Possible hand values lie on the vertical axis while the dealer’s upcard is on the horizontal axis. The innovative Advanced Blackjack Strategy Cards from BlackjackInfo provide a first-ever pairing of the best possible basic strategies, with optimal card counting index numbers right on the card. In double-deck blackjack, hit when the count is 0 or lower. Appendix 6 :Fine points of when to surrender. For example, a two-card 21 pays only $6 for a $5 bet instead of the usual $7. Before you begin playing, choose a single-deck blackjack game with advantageous rules. Keeping track of the cards in multi-deck blackjack is a bit more difficult. 45% to the house edge; 4 decks will add 0. Split A’s and 8’s. High-Low Point Values. Blackjack is all about control. El Cortez; Double-deck games. In double- and multi-deck games, you never double down with a two-card 8; however, in a single-deck game, the odds of blackjack shift to make doubling down the superior strategy over hitting. For example, if you have hard 11, and the dealer’s up card is a 5, the tables show a D – meaning you. ”. 19% respectively). We start with a bankroll of $500 at this Blackjack table. 26928% added to the House Edge for the double-deck game. 9% compared to 5. A single deck blackjack chart features one deck but two sets of instructions. There are some good double-deck blackjack games with a very low house edge against a basic strategy player (as low as 0. Double-Deck Blackjack. This means that the hand does not have to contain an Ace, but it can. dealer’s Ace. Cards are then dealt from a single deck or from multiple decks. Blackjack expected Returns for eight decks and dealer stands on soft 17. Unfortunately a new trend in many casinos is to only pay 6:5 on single deck games. The proper Basic Strategy for a double-deck game closely resembles that of a four- or six-deck game, much more so than a single-deck game. Check the blackjack strategy card for the correct play. Before you start playing, you have to place a bet. ”. It plays pretty much the same as the single deck blackjack game but does require its specific chart. Some might offer less favorable payouts like 6-to-5. It usually comes in the form of a chart that contains the optimal ways to play each hand, assuming you do not count cards and have no. They are El Cortez and Silverton. But don’t be fooled; single-deck games require a certain kind of finesse. The house edge in 3:2 double-deck blackjack varies based on the. Take Down Double Deck Games with These Charts. This Blackjack Card Counting method tells the player what cards are predominantly remaining in the deck, High cards or Low cards. In Spanish 21, there is the added bonus that you can double down on any hand, even after splitting. Double at -1. Start the count after a shuffle. The difference between five decks and two decks, all other rules being equal, is 0. Other basic strategy rules. But, it isn't necessary to. Accordingly, cards from 2-6 are assigned +1, cards from 7-9 get a 0, and the rest of the cards in the. This process involves making intelligent. So, the table gives you a very good idea of how to act in certain situations. So we end up with a rule like this “A-2 , A-3; double vs. Blackjack Challenge. 4% probability). ) lie mainly in splitting pairs and, since pairs are the. ”. For Single Deck Blackjack with a dealer hitting on soft 17, the house edge is lower than in Double Deck Blackjack with the dealer standing on soft 17. Otherwise, stand. Dealer peeks for blackjack. No double down after splitting. A 3:2 single-deck game is the best type of blackjack you can find — depending on the rules. The probability of being dealt a card worth 10 is 16/52, or 4/13. In most varieties of blackjack, the rules allow playing with 2 to 8 decks of cards, with no joker. The player is mentally keeping track of the ratio of high to low cards. Single-Deck Basic Strategy Chart. The player edge in single-deck blackjack on my site is based on otherwise multiple deck rules, which rarely exist in single deck. 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. The probability of this is 4/13, regardless of the number of decks. The basic rules of the game are as follows. 8% lower than the single deck game. Also, use this move when you have a high hand of 17 or more, while a hit is a suitable choice for a soft 17 or less. There are only two Las Vegas casinos that offer single deck blackjack with a 3:2 payout in 2023. The Hi-Lo system is the most popular and prominent card counting system that is also easy to learn and widely practiced by blackjack players in casinos. Optimal Blackjack Strategy - Tricks of the Trade Check DetailsInsurance provides some protection when the dealer shows an ace — the strongest card in blackjack. Blackjack pays 6:5 – this is typical for a double deck or single deck blackjack. Card counting is an advanced technique that enables blackjack players to identify the instances when the odds shift in their favor. As cards are revealed, keep adding or subtracting from the Running Count, according to the point system in step 1. However, you can further improve your blackjack strategy single deck. Single Deck Blackjack Rules. It is a strategy which maximizes the player’s expectation given only knowledge of the player’s hand and the dealer’s up-card. Double down on a hard total of 10 or 11 if the dealer’s upcard is less than your total. Vegas Single Deck Blackjack is a variation developed by Microgaming. Very similar to the game of blackjack above with the following exceptions. Means you either miscounted a 789 into one of your "High value" numbers, or that you forgot to count 2 of (23456) cards. Single deck blackjack can be a great game if you’re getting the full 3:2 payment on your blackjacks. The player can split a hand up to three times. Learn how to play blackjack like a pro with this handy chart that shows you the optimal strategy for any situation. You hit your two-card soft 18 against a dealer who reveals more powerful cards like a 9, a 10, or an Ace. However, after hitting or splitting the deck composition has changed and the basic strategy may have changed. Single Deck Hit on a Soft 17 Surrender Is Not Available. I had a reference to it being offered in the olden times, just can't track it down right now. As the name suggests ‘’Single Deck Blackjack’’ is indeed played with one single deck of cards, which is shuffled after each and every round. Standard BlackjackNo. You can achieve a very low house edge but only if you learn the basic playing strategy. Basic strategy says DOUBLE A-2 against a 5, but if the count is at all negative, just hit it; double only when the count is 0 or higher. Classic Single Deck Blackjack is the variant that has the highest theoretical RTP rates. SINGLE DECK BLACKJACK SESSION!. This means that the hand does not have to contain an Ace, but it can. Blackjack's house edge is usually around 0. Single-Deck Card Counting. If you happen to play classic blackjack with a single deck of cards, there may be some merit in this strategy, but it is minimal. ”. They cannot be re-split. The odds of a No Bust, a Standing Hand (17-20) and a. In Blackjack, splitting is a move that allows a player who received a pair to split it into two separate hands with their own lifecycle. Player can play up to three hands simultaneously in multi-hand game. Player may split only once. Classic Blackjack is played with a standard 52-card deck. It’s better to start the count after the dealer has shuffled the deck and a new round begins. 87% using basic strategy (even higher using complete strategy with exceptions). The basic strategy is adjusted based on the variant in order to produce the best results. The limited number of cards in play makes single-deck blackjack more susceptible to card counting techniques, where. After placing your bet, you and the Dealer are dealt two cards each; your cards are placed face up in front of you, while the Dealer’s are arranged with one card face up and one face down; the face down one is referred to as the. Card counting involves keeping a basic running tally of which cards have come out of a shoe so far during a blackjack game. Before you begin using these charts, make sure that you are playing in a single deck game. This technique was used most notably by the MIT Blackjack Team, throughout the 80s and 90s. 5 and 10, J, Q, K, A are -1. If you can find a place to play one deck blackjack, I will teach you the rules and strategies which you can implement to give yourself the best chance at winning and reduce the house edge to as low as 0. Counting cards is a strategy where players track the relative abundance of high and low-value cards in a deck. One for when the dealer must stand on a soft 17 and another for when the dealer is supposed to hit on a soft 17. Split 4’s vs dealer’s 5-6. So if you’re looking for a 4-deck blackjack chart, 6-deck blackjack. The 21 DVD reopened the huge gambling appetite for the so-called sure-fire strategy of counting cards at blackjack. While there may be other players at the Blackjack table, your only goal in Six Card Charlie Blackjack is to beat the dealer with. It will help you learn how to play blackjack smartly by eliminating potential errors. ”. The Blackjack trainer will develop your playing acumen, and enable you to optimise your. You can’t split and then double either – you must make your decision before splitting the cards. Online Casino Games Blackjack Single Deck Last Updated on December 12, 2022 by Chief Editor Jayson Peter Fact checked by Sadonna Price Single Deck. The side nearest to 21 wins—without going over. 64% and 10. Single deck blackjack is the game in its most natural form and so in the list below we start from double deck blackjack where the additional decks adds 0. As long as the count remains above -1, you’ll double; once it goes lower than -1, you’ll just hit — then hopefully leave the table if the count doesn’t improve. Single-deck blackjack has simpler basic strategy charts compared to multiple-deck variants. This guide provides the essential double deck basic strategy charts and pro tips to memorize. You gain valuable information about the remaining deck by keeping. Hard 11 vs. The game features a dealer and multiple players, all of whom receive cards at the beginning of each round. The dealer must hit on soft 17 (a 17 with an 11-point Ace). It also makes it much easier to count cards. A single-deck game with h27 and RSA or just h27 has the lowest house edge of any blackjack game (0. With standard blackjack games, you can surrender your first two cards. Getting a 10-point card and Ace is a Blackjack, which pays 3-2. If the total of your hand is over 21, you'll bust and lose your bet. Drawing a hand of higher value than the dealer’s hand, without going over 21. Blackjack Appendix 9 — Six deck, dealer stands on soft 17, no hole card. . Dealer’s Up-CardBlackjack Bust Cards. Most of the cards that are counted will be worth +1, which will create the unbalance. To correctly count cards in blackjack, whether online or at a casino, you must maintain a running total based on the face value of any cards shown. With Single Deck Blackjack, you get: One deck-shoe vs. In this strategy, you would count cards 3-6 as +1, 2,7,8,9, and Ace as 0, and 10 as -1. In other words, trying to card count an eight-deck shoe is largely seen as a waste of your time. 65%. By applying basic strategy, you can reduce the house edge to 0. With a single deck, double down against a two. Learn the basic strategy rules and tips for single-deck blackjack, a variant of the popular card game. The key at the bottom explains in full. Most blackjack players are likely familiar with multi-deck games, but it’s. Using the KO / Knock Out System. Blackjack pays 6-5: Common on single-deck games on the Las Vegas Strip, this game is a bankroll breaker for players. For basic strategy players, penetration really doesn’t matter. Split 2’s and 3’s vs dealer’s 4-7. 80% in the single-deck version of the game; If the dealer’s up card is an Ace, the chance of them getting a first-hand blackjack are 1 in 3; The dealer is expected to bust 28% of the time, while the player usually busts 16% of the time when playing basic blackjack strategyNov 10, 2023 / 3 min. You can split ace pairs, and get an additional card for each but aren’t allowed to split the hands further. Counting cards is most effective with fewer decks in the shoe. Here is a quick step-by-step example of how you can read the blackjack strategy chart efficiently: Step 1. 8%), but insurance is a wrong move, so this should not be a concern. Cards are dealt face down. the Dealer’s 5. The following basic strategy table is appropriate for European blackjack, at least the variation I saw played in Berlin and Hamburg, and specifically excepting the United Kingdom. Single Deck. reKO (ridiculously easy KO) is a substantially simplified version. Don Schlesingers Ultimate Blackjack Strategy Card (single deck) feature Don’s easy-to-use basic strategy and his cutting-edge ultimate strategy for use with either casino or online play. Under the 'adjust rules' menu you may select the rules of the game,. The key at the bottom explains in full. To maximize your potential winnings, following a basic strategy explicitly tailored for single deck blackjack is essential. Card counting is not the same as memorizing the deck. With a single deck, double down against a two. Single deck; Blackjack pays 3-2 (of course) Dealer hits soft 17; Double any first two cards; Double. *FREE* shipping on qualifying offers. The few differences between a two-deck and six-deck game with the same rules (dealer hits or stands on soft 17, double after split is allowed, etc. Players should consider this wager only on 6-8 deck blackjack games — more cards mean more opportunities, and a smaller casino advantage. Hard nine vs. Of course, there are also other situations, as different blackjack variants may result in the house odds climbing to 1% or higher also. Remember that probabilities and odds are not the. Card counting is not the same as memorizing the deck. 1. Double down on a hard total of 10 or 11 if the dealer’s upcard is less than your total. Blackjack Challenge. Here are a couple of rules to follow regarding basic strategy for single-deck blackjack: Do not opt for the insurance bet as it raises the house edge to a high 5. Enjoy the video. Doubling is usually restricted to 9 to 11, or 10 to 11. The following lists will show exactly how to play your cards immediately after a shuffle in a single deck game where the dealer hits a soft 17. Hit on a Soft 17 Surrender Is Not Available. The movie, in turn, takes a lot of poetic license from the book. I suggest you go buy another deck of cards to simulate how a blackjack 2 deck card is played/counted. When you’re dealt a blackjack 21, it’s customary to pay out 3:2 or 2:1. Blackjack Cheat Sheet PDF by Blackjackchamp. How to Read Basic Blackjack Strategy Card. For example, avoid blackjack games that pay out 6 to 5, and instead play single deck blackjack, which pays 3 to 2. This is the test for card counting accuracy. 23 Nov 2023 Practice blackjack with our free blackjack trainer and learn optimal blackjack strategy! Menu. His or her running count is currently “plus-one” (+1) + (+1) + (-1) = +1). The Dealer Hits on Soft 17 They can use a single deck or up to 8 decks. The dealer takes cards once the player has their chance or turn. 96% with four, and so on. A single-deck countdown is your “speed bag”; try to get through it as quickly as possible while maintaining your accuracy. The probability of getting a natural blackjack (an ace and a ten-value card) is approximately 4. When you are ready to test your skills and have some fun, join our #1 blackjack casino site below:. The theoretical return to the player in this blackjack is 99. Some inexperienced blackjack players know that single deck games are better than 6 or 8-deck tables. 13% and 0. 0483 or 4. The following rules apply in a single-deck blackjack strategy: The dealer shuffles a 52-card deck once at the beginning of the game. The following charts are based on statistical calculations for single-deck blackjack, and present you with the smartest mathematical choice. Add those two probabilities together, and you have the probability of getting a blackjack. Another notion that has to be taken into consideration when playing with a higher number of decks is that the cards will be distributed more evenly, which makes the card counting much more difficult. That’s 4X better odds than 6 or 8 deck games. Now that you know the value of the cards it’s time to count them. Accordingly, the odds of being dealt blackjack for the player are about 4. Step 2: Start with a "Running Count" of zero at the start of the deck/shoe. Details Directions. Split 7’s vs dealer’s 2-7. Single-deck Blackjack is also offered at MGM, and here the betting starts at $15, whereas the maximum amount is $5,000. 80% in the single-deck version of the game; If the dealer’s up card is an Ace, the chance of them getting a first-hand blackjack are 1 in 3; The dealer is expected to bust 28% of the time, while the player usually busts 16% of the time when playing basic blackjack strategyNov 10, 2023 / 3 min. One of the fundamental joys of blackjack – aside from its simplicity to play – is that it has one of the lowest house edges in the casino, meaning your chance of making a profit in a given session is better than other games. The most common version is a six-pack blackjack. It will be easier for most. Like the ‘Soft 17 Rule’, basic blackjack strategy is also affected by the number of decks used in a blackjack game. 11%, and under the Microgaming rules the house edge is 0. 5% of all the money you bet, just by playing basic strategy and varying your bets according to the count. No mid-deck entry: players must wait until the shuffle to join the game. Advanced Blackjack Strategy. For instance, Single Deck Blackjack may have a house edge of. Conclusion. Once you become. It is shuffled before the beginning of each gaming session. Dealing 4. But with so few. 2. Double after split allowed. SP (Split): Turn your initial pair into two hands, double your initial bet, receive two more cards (dealt from the right). Our blackjack calculator will calculate the best possible option for winning, by telling you what your next move should be. The strategy involves looking for signs in the dealer’s facial expressions and behavior. 19% respectively). In a single-deck blackjack game with 52 cards, getting any card has a 1. Proper basic strategy says to double against 5 and 6 and hit it against everything else, so our rule for A-2 is “Double vs. Always ask if you can reserve a table. 2 decks will add 0. This sounds obvious, but removing an Ace from a single deck game of 21 has a bigger effect on the casino's edge than multi-deck versions. Players are allowed to double down regardless what are their two cards and they can double after a split. 6: House edge of . A six-deck blackjack game is ideal for card counting, while single deck games limit the usefulness of this strategy. The game was released in 2006 and has an RTP of 99. These flashcards will make it easier for you to learn the blackjack strategy card for when you're playing on a single deck, when the dealer hits on soft 17 and there's no surrender. Blackjack Training Simulator Practice Optimal Strategy. Additionally, the dealer receives two cards,. The deuces, 3s, 6s and 7s are worth +1, while 4s and 5s are worth +2. Split 2’s and 3’s vs dealer’s 4-7. We are proud to present our second online blackjack trainer with the added ability to assist in learning the art of card counting, this is our first. If you get 21 points exactly on the deal, that is called a “blackjack. Your wins are smaller, meaning that you’re possibly going to lose your overall bankroll faster, giving that money back to the house. Using the KO / Knock Out System. Use these single deck blackjack strategy cards at the casinos where this game is available. Let’s compare a 5-deck continuous shuffler game to a 4-deck hand shuffled game. 16. We run through 6 shoes in this blackjack session. Blackjack Appendix 9 — Five decks, dealer hits on soft 17, no hole card. You could lose 70 out of 100 hands you play at a casino, which would not be in check with the house edge in the long. If the dealer overshoots, he turns the first two player’s cards. Card counting is a game strategy used to track the ratio of high cards to the ratio of low cards in blackjack. 1 Deck, Dealer Hits Soft 17. A single-deck countdown is your “speed bag”; try to get through it as quickly as possible while maintaining your accuracy. Card Counting. Just download the black & white or color Blackjack Cheat Sheet PDF to your computer, or open it in your browser and click on print. And unfortunately, many casinos have implemented single-deck games with the 6-5 blackjack payoffs. The house edge is ridiculously high at these tables, or 1. The most important blackjack rule is simple: beat the dealer’s hand without going over 21. 3a: Exceptions to single-deck S17 basic strategy; 3b: Exceptions to double-deck S17 basic strategy; 3c: Exceptions to single-deck H17 basic strategy; 4: Blackjack standard deviation details; 5: Infinite deck expected return by player hand and dealer upcard; 6: Fine points of when to surrender; 7: Effect of card removal; 8: Analysis of. Single deck blackjack basic strategy charts. Ships from Bakersfield, CA. While an 8 deck game will have a higher house edge than a single-deck game, you won’t have the same options. unless if the game is played with only a single deck of cards, and the player happens to be an expert at counting cards. If you decide to use the Hi-Opt II system, you will have to spare a bit more time to study the values used in this method of card counting. Double down on soft 18 if dealer up-card is 2. Using the ordinary total-depenendent basic strategy the player advantage under the Boss Media rules is 0. Each suit has 13 ranks, beginning with the number two and culminating with the Ace, a card often associated with prominence and authority. y describes casino blackjack rules with emphasis on de ning terms and on various options for pair splitting. All other cards are worth face value and Jack, Queen and King are worth 10. 2% lower probability of getting 10s in a 6-deck version. 5″ by 5″ tri-fold card contains four charts of the most scientifically advanced blackjack strategies available to the traditional player. . 15%, whereas multi-deck games have a house edge of between 0. At NetEnt, we offer a few of them in an online variant. A single-deck game with h27 and RSA or just h27 has the lowest house edge of any blackjack game (0. g. Keep in mind that a casino’s mathematical advantage against you can change, depending on the number of decks they use and the rules of the game they offer. Beating the double-deck Blackjack game requires that you first find a game that offers decent penetration and a minimum bet that will allow you to spread your bets from 1 to 8, yet still stay within reasonable money management principles based upon your total bankroll. Best of all, single. Another “arrow in your quiver. The basic rules of the game are as follows. They are shuffled together and dealt at the beginning. Let’s take a look now at a 12 that comprises 10-2. Blackjack used to be played with one single deck, which gave the players the lowest house edge. Single Deck Blackjack Strategy Single Deck games are the Eldorado of Blackjack. Blackjack can be played with a single deck of cards, or you can sit at tables that use multiple decks of cards. We usually see this situation in the so-called "pitch games", which are mostly hand-held single or double-deck blackjack. This hand value can either help or go. Card 9: -1 Points. Single-deck basic strategy, S17. 16 Against a Dealer 10 You might be holding 16 made up of two cards (10+6 or 9+7), three cards (4+5+7), or even more, and it will make a difference on your blackjack casino odds and. With multiple decks, hit. 80% is pretty pointless. Plus, some rules are good for you (dealer stands on. There are two charts depending on whether the dealer hits or stands on soft 17. Blackjack strategy cards to use in single deck games. , [2, 5]). The deck is shuffled before each hand is dealt. Multi Deck Blackjack Strategy ChartThe catch, though, is that Ten Count is designed specifically for single-deck blackjack games. It’s important to note that this Blackjack Strategy Calculator is for single-deck Blackjack. Blackjack Pays: 3:2. $2,500. In single-deck blackjack, it may even be lower. You can flip the tables and enjoy a profit margin or edge of up to 5% when you apply the Hi-Lo card counting system. 30 HIGH ROLLER. Playing blackjack using a single deck with 52 cards places the odds of being dealt blackjack (21) at 32/663 or 4. 34% to the house edge; 3 decks will add 0. With these rules, the basic strategy player has a positive expectation of 0. The following charts are based on statistical calculations for 4-8-deck. This is not only because of fundamental. For example a single-deck S17 game with NDAS and doubling on any 2 cards has a house edge of just 0. Each 3. Based on the odds, there are only a few hands you should play differently with a single deck blackjack strategy. Only the most success at blackjack is going to happen at a 3:2 table. dealer’s Ace. Split 6’s vs dealer’s 3-6. Single-deck games are sought out religiously by many players, and for a good reason. 65%. dealer’s 2. So, the player decides that the minimum bet will be $1, and the maximum bet will be $10. Our blackjack charts tell you how to play your hand based on the rules and options of the game and the Dealer’s up card. Some critical elements of this strategy include: Always hit on a hard total of 5 to 8. When this happens, the player would raise their bets. 11%, and under the Microgaming rules the house edge is 0. Note that the house edge with insurance bets is higher (5. Blackjack basic strategy chart: 4/6/8 decks, dealer hits soft 17Wizard of odds blackjack strategy cards single deck dealer Simon’s free online blackjack section – click to play online – simon'sStrategy basic blackjack chart dealer decks hits soft amazon cards. Once you do, you will probably. In single-deck Blackjack, one standard deck of 52 cards is used. Action: H = Hit S = Stand D = Double P = Split. 749%. The odds of the croupier dealing you a blackjack are 4. Basic strategy advises to split in almost every scenario, expect for 5’s and 10’s. 3a: Exceptions to single-deck S17 basic strategy; 3b: Exceptions to double-deck S17 basic strategy; 3c: Exceptions to single-deck H17 basic strategy; 4: Blackjack standard deviation details; 5: Infinite deck expected return by player hand and dealer upcard; 6: Fine points of when to surrender; 7: Effect of card removal; 8: Analysis of blackjack. The most important blackjack rule is simple: beat the dealer’s hand without going over 21. This makes single-deck games better for counters. At this point, a gambling strategy with a house edge of 1. As its name may suggest, Single Deck Blackjack is played on one deck. 5 & 6, otherwise hit. How to use this blackjack calculator. 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. mychoice LOUNGE. 5, cards 3, 4 and 6 are +1, cards 2 and 7 are +0. Most of the cards that are counted will be worth +1, which will create the unbalance. A single-deck game just like any other Blackjack game includes 2s to 10s with their respective value, face cards (Jacks, Queens, and Kings) which are also worth 10 as well as Aces which can either show a value of 1 or 11. Single Deck Basic Blackjack Strategy Chart. 50 you once received. You can calculate this number by subtracting 1 (any card) from 52 (the total number of cards). The number of the deck (s) affects the profitability of each variant, and having only one is incredibly beneficial to the player. 5 decks out of 6 before shuffling would be “average penetration”. Your strategy cards for Blackjack I presume is basic strategy for the initial cards (player's first two cards and dealer's up card). There 6 one-deck tables and they all pay 6 to 5 for a Blackjack, which makes the house edge. Additional decks make busts less likely, since one can draw to hands like 2,2,2,2,2,2,2,2,2 (for 18) which are improbable/impossible in single deck. Number cards 2, 3, 4, and especially 5 and 6 alternately go by the name 'bust cards' because players usually go over 21 when they hit for a third or fourth card with these in their hands. Pursuit Strategy.