Single deck blackjack strategy card. Step 3. Single deck blackjack strategy card

 
 Step 3Single deck blackjack strategy card 19% with basic strategy

Ten-cards are extremely common in a blackjack deck. The epitome of classic Blackjack gameplay, single-deck Blackjack provides a level of simplicity that can be a breath of fresh air for those tired of the whistles and bells of multi-deck games. Double:House edge of 0. Here are the basics of this strategy: A to 9 = +4; J. If you have the same card total as the dealer, from 17 and up, you get your bet back in aIn single-deck Blackjack, the dealer must hit a soft 17, unlike other game versions where the dealer must stand. In a game with one deck, the probability looks like this: (4/52 X 16/51) + (16/52 X 4/51) = 32/663, which is the same as 0. In this situation, you will play against the casino where the dealer hits on Soft 17 and uses a single deck. That is why the strategy for single-deck blackjack is bolder, suggesting more cases when doubling down is the optimal decision. Counting cards is most effective with fewer decks in the shoe. His or her running count is currently “plus-one” (+1) + (+1) + (-1) = +1). For the uninitiated, basic strategy is a set of mathematically correct playing decisions based on the dealer’s exposed card and the player’s starting two-card hand. Of course, there are also other situations, as different blackjack variants may result in the house odds climbing to 1% or higher also. 9%) because there are fewer 10s. Introduction. Keeping track of the cards in multi-deck blackjack is a bit more difficult. 008%. 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. This means that the hand does not have to contain an Ace, but it can. The objective of the game is to collect the entire deck of cards. dealer’s 6. Don’t even consider playing a single-deck blackjack card game if it only pays out 6:5 against its old fashion 3:2 paid before. Max bet: $300 vs. Blackjack expected Returns for eight decks and dealer stands on soft 17. The odds of the croupier dealing you a blackjack are 4. Try your best to avoid 6:5, or even worse, blackjack that offers even odds. Their primary purpose is to help you predict the dealer’s. 2. Single deck – house edge of -0. The Blackjack trainer will develop your playing acumen, and enable you to optimise your. The dealer has a higher chance of busting when showing a small card (2 through 6), and a lower chance of busting with a strong card (7 through Ace). 65%. A gentleman knows the value of refinement, and the Blackjack strategy card is the epitome of this in the gaming realm. Splitting pairs can increase the player’s chances of winning and the overall money the player. Before you start playing, you have to place a bet. Once you’re doing two decks under 40 seconds, go to 6 decks. No Hole Card: Playing blackjack with no dealer cards face up can change basic strategy. 5% in standard blackjack. The Illustrious 18. Bust cards create the worst hands in blackjack. This side bet is mostly used only in single-deck games. Use these single deck blackjack strategy cards at the casinos where this game is available. Rather than teach you 9 different basic strategy charts for each variant of blackjack you will ever see, we decided to run our simulation against the games people will most commonly see and teach one basic strategy that is sufficiently effective. Therefore, we created a Blackjack Cheat Sheet PDF with the Basic Strategy Chart for single-deck blackjack. SINGLE DECK BLACKJACK SESSION!. 00, and the maximum is £200. 5 SC. This hand value can either help or go. 4% probability). It will be easier for most. Blackjack is an exciting card game in which card-counting techniques are applicable. 96% with four, and so on. The peek is in place on both ten-value cards and aces. Hi-Lo. Basic Strategy for Single Deck Blackjack. This article tells you why and gives you some tips to get more winning chances than most other players. 12144% for a difference of 0. The effectiveness of a card counting strategy with eight decks deteriorates greatly, though. With Single Deck Blackjack, you get: One deck-shoe vs. We mentioned that the house edge for blackjack in at around 2%, but with the basic blackjack strategy, you can take it down to 0. House edge: 0. 57%, and the bet sizes range from $10 to $100 dollars. The dealer will hit a soft 17 and double after a split will probably not be allowed. When playing with a single deck, card counting can still be a viable strategy. 83%, provided you are playing. The Vegas Single Deck Blackjack Online Game Overview. Control any change in tactics and bets based on proving you are not counting cards (even if you are). 527%. 4. a two. Of course, these small edges also make it disliked by casinos. But with so few. However, if you are visiting the best online gambling sites that use RNG software, the blackjack probability remains fixed at 4. Having a hand value equal to 21 from the first two. Ultimately, there’s a lower house edge in multideck. This applies to both live dealer blackjack and regular. You have to use the best strategy to start with the lowest house edge possible. Factor in the following changes: Double 11 vs. So, the player decides that the minimum bet will be $1, and the maximum bet will be $10. 13%. Here is an example blackjack strategy card for a multi deck game where the casino rules state that the dealer must hit soft 17. Be sure to NOT play if blackjack pays less then 3 to 2, which is usually the case with single-deck games. ”. Split A’s and 8’s. If you haven’t had the chance to try it yet, now is the time. For example, his playing budget is $100. 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. 50, which adds 1. Single deck blackjack can be a great game if you’re getting the full 3:2 payment on your blackjacks. 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. Start the count after a shuffle. Only one of them is worth 10 points, so the remaining cards have 15 cards valued at 10. The basic blackjack strategy for hard hands would look like this: Player’s Hand: Dealer’s hand (2-6) Dealer’s hand (7-A) 4-8: Hit: Hit: 9: Double: Hit:. This is the blackjack cheat sheet single deck. 17% for a single-deck game and around 0. 87 in the long run. In a single deck game, you start your count at 0. ) lie mainly in splitting pairs and, since pairs are the. Single Deck vs. Step 2. If you’re playing multiple decks, just hit here. com Learn how to play blackjack well with perfect blackjack strategy, a set of rules that minimizes the casino's advantage. The player can split a hand up to three times. If you wager $10 on a 6-to-5 table, you’d only get $12 back. There are two charts depending on whether the dealer hits or stands on soft 17. . the Dealer’s 5. 44% Pure) The KO Strategy is one of the very easiest Blackjack card counting strategies, contained in the book Knock-Out Blackjack--The Easiest Card Counting System Ever Devised by Olaf Vancura and Ken Fuchs. In a double deck game, you start your count at -4. Multi-deck blackjack offers a 3:2 payout while single-deck blackjack usually offers 6:5. The next puzzle piece to blackjack strategy is choosing the games with the best rules. 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. Step #5: Pick the right table Blackjack works the same wherever you are in the world, but because of small variations in rules, games can pay out very different percentages. Drawing a hand of higher value than the dealer’s hand, without going over 21. For. I organized the table this way to illustrate the effect of the number of decks. (or higher. T. Similarly to single-deck games, double-deck blackjack in most casinos pays 6:5, giving the house a greater edge. Standing on a hand that is 21 or lower, while the dealer goes over 21. 46% and 0. I organized the table this way to illustrate the effect of the number of decks. Step 2: Counting Cards. The casino has an inherent increased advantage as more decks are used. If the third card is 8, the running count remains a “plus 2,” as the tag for 8 is 0. Note: While the basic single-deck blackjack strategy and double-deck blackjack strategy are different, the latter works well for all multi-deck BJ games. Single Deck Blackjack Strategy Chart. Casinos that offer single-deck Blackjack games are very aware that it can easily be beaten by a counter who uses a big bet spread, so trying to play the game with a 1-12 spread like I recommend for 6-deck games will likely get you a one-way ticket out of the casino, pronto. 16. Blackjack Strategy Card - Large Edition: 4/6/8 Decks, Dealer Stands on All 17s. 03%. Player Draws Closer to 21: If the player’s hand is closer to 21 than the dealer’s hand, the player wins. 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. Rather than teach you 9 different basic strategy charts for each variant of blackjack you will ever see, we decided to run our simulation against the games people will most commonly see and teach one basic strategy that is sufficiently effective. This variation has only one deck and features Auto-Rebet or the Quick Deal options. ) lie mainly in splitting pairs and, since pairs are the. Each suit has 13 ranks, beginning with the number two and culminating with the Ace, a card often associated with prominence and authority. Your 12-Point Hand vs. up to three hands per round with Six-Deck Blackjack. An 8-deck game paying the full 3:2 on blackjack is far better than a single deck blackjack game paying only 6:5. Do I have a hand that could be Split, and does the dealer have a hand I should split against?. The Blackjack Basic Strategy Engine above provides a simple way to memorize a variety of different profitable decisions, such as when to split, double, surrender, hit, or stand. 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 side bets; 9: Composition-dependent expected. In single-deck Blackjack, one standard deck of 52 cards is used. Imagine playing with a single deck and knowing that an Ace had been removed. This is a strategy that tells you the mathematically best decision to take in any situation and when properly followed, it means that Atlantic City Blackjack has a. While the Hi/Lo card counting method works great for multi-deck games, Hi-Opt 1 is better for single-deck games. As the name suggests ‘’Single Deck Blackjack’’ is indeed played with one single deck of cards, which is shuffled after each and every round. The probability of getting a natural blackjack (an ace and a ten-value card) is approximately 4. Card counting involves keeping a basic running tally of which cards have come out of a shoe so far during a blackjack game. The basic rules of the game are as follows. Double-Deck Blackjack Strategy Tips. Split 7’s vs dealer’s 2-7. Having a hand value equal to 21 from the first two cards dealt to the player. Single Deck Blackjack Double Deck Blackjack 4-8 Deck Blackjack; 52 cards used: 104 cards used: 208 to 416 cards used: House edge of 0. Yes, land-based and online casinos allow players to use blackjack strategy cards to help them play better and increase their chances of. Step 2: Start with a "Running Count" of zero at the start of the deck/shoe. The minimum betting limit is £1. A single standard deck of 52 cards are shuffled before each hand. Single-deck blackjack has simpler basic strategy charts compared to multiple-deck variants. 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. The reKO Blackjack Strategy (99. Using the ordinary total-depenendent basic strategy the player advantage under the Boss Media rules is 0. In single deck blackjack every card that is played has a considerable impact on the distribution of the remaining cards. This is due simply to the effects of removal. The dealer will hit a soft 17 and double after a split will probably not be allowed. Counting Cards Can Be Broken Into 4 Steps: Step 1. See other listings for 4-8 Deck Dealer Hits on Soft 17, the Single Deck and Double Deck variants, as well as the 6-pack, which contains all six. Once you’ve placed your bet you. 6: House edge of . This is correct for 7-5, 8-4, and 9-3, but when your 12 is made up of 10-2, you are slightly better off hitting against a dealer’s 4 up card in single- and double-deck games, and in 4-, 5-, or 6-deck games with s17. The difference between five decks and two decks, all other rules being equal, is 0. (Opposite if you’re left. If you are looking to win, your chances are better with single deck games of blackjack, check the strategy available at . In the good old days when single deck was plentiful and rules were great, these non-counting strategies could actually give the. In this situation the incorrect basic strategy adds 0. 5%. 88 and is a level I strategy, meaning that it is quite simple. The basic rules of the game are as follows. Our advanced algorithm allows you to customize different table rules so you. . Single Deck Strategy Cards. Split aces get one card only. , A ♥ 9. Blackjack Challenge. The rules of the single deck variant are the same as those of multi-deck versions with the only difference being that 52 cards are used. 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. Double after split allowed. A simple calculation can get you the true blackjack odds – divide all winning scenarios by all possible outcomes. In a six-deck shoe game, you start your count at -20, and in an. 4. 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 side bets; 9: Composition-dependent expected. A six-deck blackjack game is ideal for card counting, while single deck games limit the usefulness of this strategy. It allows gamers to track cards that are left in the deck while playing the blackjack game. Step 3 – Calculate the True Count. 8% lower than the single deck game. Lesson 3 – Counting Cards, The Basics. Read our basic single-deck blackjack strategy to know when to hit or stand, and use the single-deck blackjack strategy chart to get more winning odds when you. Blackjack optimal strategy; How to count cards in blackjack; Switching to the True Count; Proper bet amount; Professional card counting;. Single deck. The web page explains the basic terms, rules and strategy of blackjack, and provides 15 charts to help you choose the best play in different situations. The charts cover hard and soft hands, hits, doubles, splits and more. Then, the dealer hands out two cards to each player, face-up on the table. 827% vs. 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. The standard deck contains cards of thirteen possible values, so the odds of receiving a single card of any given value the same: there is a 1 in 13 chance (7. Six decks – starting count is -12. 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. Classic Blackjack is played with a standard 52-card deck. As a result, there is something called Perfect Blackjack Strategy. Blackjack Strategy Cards. The value of the ace will be 1 instead of being 1 or 11. The Vegas Single Deck Blackjack Online Game Overview. 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. For example, assume the first player card is any 10-value card. Hit when your hand is 12-16 when the dealer has 7-Ace. From top to bottom are the hard totals, soft totals, and splittable hands. There are two charts depending on whether the dealer hits or stands on soft 17. With this lesson, I’m going to unwrap the veil of mystery which seems to surround the concept of card counting. It is also known as classic blackjack cheat sheet, because this is the most basic variant of this game. 53% to the house edgeCards are re-shuffled after each round. Consequently, where the house edge against the perfect basic strategy player. The game was released in 2006 and has an RTP of 99. Among the four main strategies of Blackjack, splitting a pair is a game-changing move. Vegas Single Deck Blackjack is a variation developed by Microgaming. Getting a 10-point card and Ace is a Blackjack, which pays 3-2. Cryptologic and Microgaming composition dependent exceptions follow. Six decks – house. Their primary purpose is to help you predict the dealer’s hole card. Shuffle tracking for beginners. In both cases an A stands for ace. T. Before you begin playing, choose a single-deck blackjack game with advantageous rules. Split up to two hands vs. Playing blackjack using a single deck with 52 cards places the odds of being dealt blackjack (21) at 32/663 or 4. It plays pretty much the same as the single deck blackjack game but does require its specific chart. The number of cards, though, is 52. If you find a single-deck game, it’s likely to have poor rules. A single standard deck of 52 cards are shuffled before each hand. The insurance bet is optional and it is only available when the dealer’s upcard is an ace. With 14 cards played, the deck has a total of 38 cards. This blackjack calculator will help teach you the correct play to make for every scenario possible. The correct basic strategy is a proven winning system for the game of twenty-one. To use the basic strategy, look up your hand along the left vertical edge and the dealer's up card along the top. 5 and 10, J, Q, K, A are -1. 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. Almost all single and double deck Blac. Player may only double on hard totals of 9-11. According to the basic single deck blackjack strategy, we should always stand if the sum of cards is between 12 and 16. Blackjack pays 6:5 – this is typical for a double deck or single deck blackjack. Basic strategy advises to split in almost every scenario, expect for 5’s and 10’s. $10 minimum. In single deck games, hit if the count is +1 or lower. Once you’re doing two decks under 40 seconds, go to 6 decks. And unfortunately, many casinos have implemented single-deck games with the 6-5 blackjack payoffs. Under the 'adjust rules' menu you may select the rules of the game,. Based on the odds, there are only a few hands you should play differently with a single deck blackjack strategy. Single Deck Blackjack. If you have a hand of 17 or more, you can also use the same move. So, the player decides that the minimum bet will be $1, and the maximum bet will be $10. Like the ‘Soft 17 Rule’, basic blackjack strategy is also affected by the number of decks used in a blackjack game. 038% to the house edge. The composition-dependent strategy is a slight deviation, which works best in blackjack single deck odds since it makes the biggest impact on each hand. 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. For example, a two-card 21 pays only $6 for a $5 bet instead of the usual $7. 14%). Unfortunately a new trend in many casinos is to only pay 6:5 on single deck games. 80% is pretty pointless. A Royal Match bet pays out 25:1 while the payout for a suited pair is 5:2. Every blackjack game is different. Only the most success at blackjack is going to happen at a 3:2 table. 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. For all practical purposes, an even gamble, but still the slightest bit in favour of the player. It begins before the cards are dealt, which is the point when you have to place your bet. Running Count to True Count Conversion. First, by knowing the “depth” of the tracked cards in the deck, the player can cut the cards so that they will be kept in play by making sure that, after the cards are cut, these cards are in front of the cut card when it is reinserted into the stack. Level 2 and 3 systems assign more. The dealer takes cards once the player has their chance or turn. Once you become. Players usually focus on how. Each 3. 50 you once received. That means for every $100 you wager, you can expect to win back $99. The card counting system is a crucial strategy at single deck blackjack. Hit on a Soft 17 Surrender Is Not Available. 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. It will be easier for most. A single-deck game with h27 and RSA or just h27 has the lowest house edge of any blackjack game (0. Players can only draw one card after the deal; a combination of ten is considered a score of 21, not a blackjack. In single-deck blackjack, it may even be lower. The theoretical return to the player in this blackjack is 99. Card counting is not the same as memorizing the deck. Card Counting Potential. A Blackjack pays out at 3:2 in all ways, although there are some 6:5 payout single-deck Blackjack versions. Dealer must hit soft 17. You can split ace pairs, and get an additional card for each but aren’t allowed to split the hands further. Once you do, you will probably. You start with 0 and you count what cards are out of the deck. For example a single-deck S17 game with NDAS and doubling on any 2 cards has a house edge of just 0. 749%. I don't suggest simulating playing/counting 8 decks of cards at home as that is just excessive arm tiredness. The Wizard of Odds Blackjack Strategy Cards Professional blackjack players know that there are vastly different strategies for single deck, two deck, and multi deck blackjack. The casino has an inherent increased advantage as more decks are used. Therefore, if the strategy charts below tell you to Double, but the rules don’t allow it (too may cards), Stand instead. The following charts are based on statistical calculations for single-deck blackjack, and present you with the smartest mathematical choice. The rules of the single deck variant are. Split 7’s vs dealer’s 2-7. Cards are dealt face down. Single Deck versus Multi-deck: All else being equal, the house edge on Blackjack gets higher for every deck you add to the game. Enjoy the video. 13% and 0. The following charts are based on statistical calculations for 4-8-deck. You gain valuable information about the remaining deck by keeping. Single-deck blackjack is going extinct and double-deck blackjack is becoming the norm. Order it. Some might offer less favorable payouts like 6-to-5. BLACKJACK BASIC STRATEGY TEST. The master chart used for learning blackjack basic strategy was developed for a multiple-deck game in which the dealer stands on a soft 17. That means that if you bet $5 and get a blackjack, you get only $6 instead of the $7. For each individual hand you play against the dealer, you’re dealt two cards from the deck (face-up). Find your hand down the left-hand side, and then the dealer’s up card. 2% lower probability of getting 10s in a 6-deck version. Blackjack's house edge is usually around 0. His book contains a strategy for what card to declare the joker as, according to your other card(s), and the dealer’s up card. Blackjack strategy chart ace guide double whenOur simple blackjack strategy chart Free blackjack basic strategy chart 21b « spela online kasino spelBlackjack encyclopedia of casino twenty-one: basic strategy. You. The reason for counting cards in blackjack is based on the fact that a deck of cards with more high cards (tens and aces) is. As a bonus, we can group A-2 with A-3 since the play for each is identical. Because blackjack rules can be different from one blackjack game to the next, it’s important to pick the right blackjack strategy chart for the game you’re playing. That means if you get a blackjack on a $50 bet you’re going to be paid $60 rather than the traditional $75. In both places the A stands for ace. Looking at our blackjack. Card counting gives players an estimate of the high-value and low-value cards already dealt and those that are remaining in the deck. com. Blackjack Challenge. 83. The key at the bottom explains in full. The most important blackjack rule is simple: beat the dealer’s hand without going over 21. At the beginning of each round of Double Deck Blackjack, two 52-card decks are shuffled together. The 21 DVD reopened the huge gambling appetite for the so-called sure-fire strategy of counting cards at blackjack. Analysis. The basic strategy is adjusted based on the variant in order to produce the best results. It could help you with making decisions about your game because, as we said earlier, blackjack shouldn’t be a. 5% to the house edge; 5 decks will add 0. Aces can be split and the player gets only one card to each Ace. 83% with two decks, 1. 15%. The basic strategy chart displays the recommended move for every possible combination of player hand and dealer up-card. If you don’t hit Blackjack, your card total must exceed the dealer’s to win. Advanced Blackjack Strategy. 83%. Single Deck. It’s better to start the count after the dealer has shuffled the deck and a new round begins. Means you either miscounted a 789 into one of your "High value" numbers, or that you forgot to count 2 of (23456) cards. In case you participate in a single-deck game, the potential profit, you could achieve by changing basic strategy plays based on the count with perfect play, could be 66%. 50, which adds 1. You can calculate this number by subtracting 1 (any card) from 52 (the total number of cards). Single Deck Basic Strategy Chart. The dealer must hit on soft 17 (a 17 with an 11-point Ace). So, the table gives you a very good idea of how to act in certain situations. three hands. Ideally, you’ll want the dealer to use a minimum of 1 full deck to get an accurate. 5% house edge with perfect play. Single Deck. 13%. 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. How to use this blackjack calculator. It should not be applied in all. When this happens, the player would raise their bets. This blackjack strategy is based on the fact that, before the game starts, the player determines the size of the smallest and largest bet on one hand. In many blackjack games, if a player achieves a Six Card Charlie, it automatically wins regardless of the dealer’s hand. Probably the best choice, if there’s a soft 17 or less, is that you still hit. 5 & 6, otherwise hit. The most important blackjack rule is simple: beat the dealer’s hand without going over 21. I suggest you go buy another deck of cards to simulate how a blackjack 2 deck card is played/counted. Using the tables, find your hand total on the left, and the dealer’s up card along the top. ”. Pursuit Strategy. If you get 21 points exactly on the deal, that is called a “blackjack. The following strategy charts are designed for single deck blackjack. Hard Hand – When playing blackjack, players will hear the term Hard Hand. the free-play mode will also help you prepare your blackjack strategy in advance, without worrying about losing your initial bets. Just remember that many casinos — both online and traditional — frown upon card counting, so it could get you banned from future games. 16%: House edge of 0. Single Deck Blackjack Strategy Single Deck games are the Eldorado of Blackjack. The odds of the croupier dealing you a blackjack are 4. That means for every $100 you wager, you can expect to win back $99. Double down on soft 18 if dealer up-card is 2. The initial running count will start with zero and players will then add or subtract a value based on what cards are in play. The probability of a card being an ace is 4/52, or 1/13. These charts slightly vary for optimum performance on a game to game basis. 25%. In other words, trying to card count an eight-deck shoe is largely seen as a waste of your time.