Wizard of Odds » BlackJack The ultimate source for casino game analysis, odds, and strategy. 2b: Probabilities of dealer blackjack before peek; 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. 26928% added to the House Edge for the double-deck game. One of the dealer's two cards is face up and visible to the player. If the dealer’s upcard is a 4, 5, or 6, players need to double down. 13%. Add those two probabilities together, and you have the probability of getting a blackjack. If you follow the basic strategy, you can cut the house edge down to around 1. To get the probability of drawing a blackjack from a single deck, we multiply the chance of drawing an Ace by the chance of drawing a ten-value card. Double-Deck Blackjack. Also, please note that it is a standard blackjack rule that split aces get one card each. It plays pretty much the same as the single deck blackjack game but does require its specific chart. 6 Deck, Hit17, Double after Split, Re-split Aces : Game: 6 deck: 6. 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. Some use a different number of decks, some offer higher or lower payouts for making a blackjack, and some have rules where the dealer stands on soft 17 instead of the dealer hitting on soft 17. For double deck variations, hit when the true count is -1 or lower. Just go through the deck as fast as possible and keep a running count in your head. When the counter knows the odds are in his favor, he will bet more, and adjust his playing strategy to stand, double, and split in some plays where basic strategy says to stand. Let’s look at some different examples: Example #1. Otherwise, stand. First off, counting the Buster side bet requires a different count system than the main game of BJ. Use this information to calculate the count per deck or “true count”. The difference between five decks and two decks, all other rules being equal, is 0. - all the usual Strip rules), dictates that an A,2 against a dealer 5 is a double-down. Introduction. Online casinos and land-based. Step 1: Basic Strategy for Blackjack - Table. The slots club at the casino isn’t just for the slot machine players. Both double deck and 6 deck games have great penetration…85% plus, no surrender but double on anything, split up to 4 times. Basic Strategy Blackjack Double Deck - When playing any online casino game for the first time, it is best to start simple and then progress to more complex versions. These are usually triggered when three or more “scatter” symbols appear on the reels. Can you send me. ) lie mainly in splitting pairs and, since pairs are the. #56 Tip — Check the Number of Players. Under the 'adjust rules' menu you may select the rules of the game,. Fine points include whether the dealer hits soft-17 and allows double after splits. Best slot games. Double Deck Blackjack game is almost as good as Single Deck Blackjack, and in the case of our casino, it’s even better. How Card Counting Works. However the actual probability is much less, because as the player gets each blackjack the ratio of aces to cards left in the deck decreases. If the count is higher than 0. • Double down hard 11 against a dealer ace. 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. If you are new to this variant, you’ll find the BestCasinos team’s carefully crafted. 5 & 6, otherwise hit. Basic Strategy Video Flashcards. However, some games in some casinos offer a miserly 6-to-5 return for blackjack. 20%. How much over 50% depends primarily on the rules. Basic strategy is an absolute must because it drastically reduces the edge of casinos. Memorizing basic strategies can also help you improve your chances of winning in Double Deck Blackjack and other variations of blackjack. As a bonus, we can group A-2 with A-3 since the play for each is identical. Step 1: Choose the correct strategy card. However, that is a basic strategy exception. This is not only because of fundamental. dealer's 9 upcard or less. 67%: Eight Decks: 0. 810 Yonkers Ave, Yonkers, NY 10704-2099, USA. 5 & 6, otherwise hit. Single deck requires adding five additional indexes. dealer's 9, 10 or Ace upcard. 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. In a double deck blackjack chart, the player’s hand is located along the left vertical edge of the chart, while the dealer’s up card is located along the top. Single: House edge of 0. Free daily Sweepstakes Coins. It tells you whether you should hit or stand, double down or split your hand. Traditionally blackjacks will pay 3-2 on your wager, meaning our example $100. 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. When combined with basic strategy, card counting gives players a 1% advantage over. . The fundamentals of how to play double-deck blackjack have been covered. Standard six-deck Blackjack has a $500 max bet, while double-deck has a $250 max, and single-deck has a $300 max. Here’s the detailed two-deck blackjack cheat sheet: The Dealer Stands on Soft 17. From top to bottom are the hard totals, soft totals, and splittable hands. Double Deck Blackjack or “Pitch” is a 2-deck variant allowing participants to pick up cards dealt face-down. The probability of a blackjack in a single deck game is 4*16/combin (52,2) = 64/1326. NOTE: These charts do not take into account any composite dependant decisions or index deviations. Ones that pay 3:2 or 2:1 for a blackjack are the best possible option. Doubling down is permitted on any two cards. Hard 11 will always double down. The Buster count system usually has the 7,8,9,T labeled as +1 when removed, and cards like A,2,3 labeled as -2. If the player holds a hard-13 through to a hard-16, it is advisable to stand if the dealer’s up-card is a Six or anything below, and hit if the dealer has a Seven or any card higher. The total value of that hand is 16 and that is considered the worst blackjack hand. For online blackjack click 'bet', or 're-bet' if you want to duplicate your last wager. If the table doesn’t allow surrendering, then hit. Split a pair of 8s & Aces. The house edge depends on a variety of things, including. 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. Number cards (2-10) count as face value, Aces count as either 1 or 11, and Kings, Queens, and Jacks count as 10. 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. The first of these is pretty easy to understand. Blackjack Pays: 3:2. Tables usually hold 2-7 players max. Single deck. First off, counting the Buster side bet requires a different count system than the main game of BJ. From 2 to Ace. Double soft 18 vs. Player should Double Down. Factor in the following changes: Double 11 vs. 2 If you have a hand of 12 against the dealer’s 2 in double-deck games, you should stand at. The most important blackjack rule is simple: beat the dealer’s hand without going over 21. Note, this is an ‘all things equal’ equation so differing house or specific game rules can and will slightly alter the house edge. Picture cards count as 10 and the ace can count as either 1 or 11. Another good one to remember is to surrender 14 against a 10 at a true of 3 or more. Blackjack expected Returns for eight decks and dealer stands on soft 17. A 2-card 21 is known as a "blackjack" and is the highest ranking hand. Then locate your total in the first vertical row of the table. Shuffle-tracking: An advantage play strategy for hand-shuffled games where you compose the decks for the next shoe, steering slugs of high-cards towards the front of the deck and betting big from the start. Perfect Pairs – bet pays out if the player is dealt two of a kind. Player may split only once. Let’s compare a 5-deck continuous shuffler game to a 4-deck hand shuffled game. The payout varies depending on the combination. 18%. You can see how that hits a player’s bottom line. If you get 21 points exactly on the deal, that is called a “blackjack. 5% in standard blackjack. The player receives a bonus for having a blackjack. Our basic strategy test covers things like – how to play your hand with specific dealer up-cards, single versus double versus multi-deck games, standing, hitting, doubling, splitting, insurance, surrender and a couple of odd questions. That’s 4X better odds than 6 or 8 deck games. Wizard’s Simple Strategy ; Basic Strategy ; Blackjack FAQ ; Bad Strategy ; View All. If you are dealt a pair, always double down on your first two cards. . 2 If you have a hand of 12 against the dealer’s 2 in double-deck games, you should stand at a count of +4 or higher; Double-Deck Blackjack Strategy Tips. These variations all include different rules, different side bets, and cater to different play styles. For a bet spread of 1-8 units, the player should bet 1 unit at a true count of +1, 2 units at +2, 4 units at +3 and 8 units at +4 or higher. For comparison, here’s our standard blackjack strategy guide: Now, in double deck blackjack, we want to double down on soft totals of 13 to 18 if the dealer is showing something. In addition to basic strategy and card counting, there are other advanced blackjack techniques that can be employed by skilled players:. Title: Blackjack Basic Strategy Author: Subject: Blackjack Basic Strategy - Keywords: Blackjack Basic Strategy, Basic Strategy for Soft. After splitting, doubling down is permitted and there is no surrender. This is for 8 decks which is the standard for online casinos. While 3:2 is a very common payoff, 2:1 is a rare find these days. If you are not sure, just ask the dealer. 1 Single-Deck Blackjack Game The accurate basic playing strategy for a single-deck game contained in color-coded blackjack charts and white tables, for different rules. Players. 67%: Eight Decks: 0. Blackjack (formerly black jack and vingt-un) is a casino banking game. So if you’re looking for a 4-deck blackjack chart, 6-deck blackjack. There are tons of blackjack variations available, especially in online casinos. Double down on soft 18 if dealer up-card is 2. Therefore if a casino’s double deck game has the exact same rules as their 6-deck game, the double deck game has better player odds. (Use your back button to get back here. The Basic Strategy for Double Deck Blackjack. Blackjack pays 3 to 2. 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. If the dealer has less than 21, you win. If you’re playing multiple decks, just hit here. 05 billion hands the loss of the first player was 0. PH = Split if double after Split is Allowed, otherwise Hit. HIT STAND DOUBLE SPLIT NEVER TAKE INSURANCE . For example, in double-deck blackjack, we play the first game. 2. Basic Strategy Audio Flashcards. The best, smartest and mathematically correct strategy for playing blackjack. Despite popular belief, the Dealer standing on a soft total of 17 is actually better for the player than when the dealer must hit soft 17. With a single deck, you should double down in this situation. For example, you may be allowed to. The same chart is also available in the. My Reply. If you’re playing multiple decks, just hit here. ) If you’ve read any of my posts about counting cards, you know that 10s are some of. Our double deck blackjack has the Dealer stand on soft 17—a rule that benefits the player. 61%: Six Decks: 0. 5%. Finally, always double down on a soft 18 if the dealer has a 2. If. 1: Total dependent expected return table for an infinite deck; 2a: Probabilities of dealer blackjack after peek; 2b: Probabilities of dealer blackjack before peek; 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. an ace. The game’s object is to create a hand with a value equal to or closer to 201 than the dealer’s hand without busting. It all comes down to knowing when you should double down. If you are looking for a simple lite app to practice Blackjack basic strategy for a variety of deck counts and table options, look no further. The right two columns represent a dealer ace according to whether the. ENCYCLOPEDIA ENTRY. That is: 4 – (4 x 8) = 4 – 32 = -28. To use the basic strategy, look up your hand along the left vertical edge and the dealer's up card along the top. We’ve created a simple quiz here so you can put your knowledge to the test and determine whether you truly know perfect basic strategy. For example 5,3 v 6 represents a true count of +3 and hence a basic strategy double. With all other hands of 11 or less, hit. This is just one among the 18 basic strategy variations, which experts recommend. 511734%. Doubling down is permitted on any two cards. Note: While the basic single-deck blackjack strategy and double-deck blackjack strategy are. 05%. The problem that beginning Spanish 21 players run into is using a regular blackjack strategy chart on this game. Handy blackjack reference resource. ) lie mainly in splitting pairs and, since pairs are the. P = Split. The cell where these meet will show you what action you need to take. Keep a “Running Count” based off of the values of the card dealt. This card is easy to use and durable, and it can help you reduce the house edge and win more at blackjack. Appendix 7 :Effect of card removal. The biggest difference between Spanish 21 and regular blackjack is the deck. The purpose of blackjack basic strategy is to lose the least amount of money in the long run. Double Deck Blackjack. But if the true count is +3 or higher, you should stand instead because of the excess high cards in the remaining deck. This is good news for card counters as they will be able to apply their chosen system successfully and keep track of the cards easily. Note that the second line reduces the number. It uses decks of 52 cards and descends from a global family of casino banking games known as "twenty-one". The bust percentages for a dealer holding a 6 are 43. If your card total is higher than 21 you’re out and you’ll lose your bet. , for all ten dealer’s upcards. Double Deck Blackjack or “Pitch” is a 2-deck variant allowing participants to pick up cards dealt face-down. Dealer peeks for blackjack. Firstly, you can’t surrender. Jack, Queen & King count as 10. Introduction. 86 per hour. Red Numbers indicate the index that the true count must meet to deviation from basic strategy ` + ` after the index number indicates the deviation happens at that true count and above ` - ` after the index number indicates the devation happens at the. 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. Memorize a basic strategy. However, some games in some casinos offer a miserly 6-to-5 return for blackjack. Another good one to remember is to surrender 14 against a 10 at a true of 3 or more. Basic Strategy Changes: 16 vs 10 = Stand Soft 18 vs A = Stand Exceptions: 16 (6+6+4) vs 10 = Hit 16 (7+6+3) vs 10 = Hit 16 (8+6+2) vs 10 = Hit 16 (9+6+A) vs 10 =. The aim of the game is to beat the dealer by getting as close to 21 as you can, without going over it. Failing that, you can always have a chart handy at the games table. • Double down. Blackjack Basic Strategy Introduction Decks: Soft 17: Double After Split: Surrender: Dealer Peek: Finally, never take insurance or "even money. There are two charts depending on whether the dealer hits or stands on soft 17. So, first things first. Online Blackjack Strategy: Basic and Advanced. Order it. Most casinos. 13%. dealer’s 2. Players may double their bet and stand or play normally. " The nal player on the dealer’s right is the last to get his cards, and is said to be on hird base. The Illustrious 18. 5 SC. For online blackjack click 'bet', or 're-bet' if you want to duplicate your last wager. The house edge for games where blackjack pays 6 to 5 instead of 3 to 2 increases by about 1. This chapter contains the complete, accurate basic blackjack playing strategy in color coded charts and white tables for single-, double-, and four-or-more-decks blackjack games. The house’s approximate advantage is 0. Single-Deck Blackjack. Player blackjack beats dealer blackjack. Our strategy cards come in 1 deck, 2 deck and 4/6/8 deck versions. 5-5: Double if the dealer shows 2-9, Hit on aces and 10♠. Using the tables, find your hand total on the left, and the dealer’s up card along the top. Table pays 3-2 when hitting a blackj. Download the Blackjack Strategy Chart. Doubling down is allowed on any 2 cards, double down after split is permitted (DAS) and there is no surrender. This can lower the house edge to less than 1 percent. Except, a "blackjack" is the highest hand. ”. Double Deck Basic Strategy Variations. But there are some exceptions. 77%) and lowering the house advantage. Multiple deck blackjack basic strategy chart from Blackjack Review. WHAT IS THE CORRECT BLACKJACK BASIC STRATEGY? There is only one correct basic strategy for this game given a set of established rules. The following tables display expected returns for any play in blackjack based on the following rules: dealer stands on a soft 17, an infinite deck, the player may double after a split, split up to three times except for aces, and draw only one card to split aces. Blackjack may be played with one to eight decks of 52-card decks. 21 Card Game Explained. The payout varies depending on the combination. ENCYCLOPEDIA ENTRY. 39702%, if we compare that to single-deck with the exact same set of rules, the single deck game would have a House Edge of 0. Of the 48 squares in blackjack charts which advise you to double, 38 occur when the dealer has 6 or less. For the scope of this project, we only consider the dealer and a single other player. (The jacks, queens, and kings are still in the deck. In both cases, an A stands for ace. ) A. Late surrender means that the player may surrender his hand and lose half his bet only after the dealer checks for blackjack. As a rule of thumb, the player should stand in that situation. The double-deck basic strategy is rule dependent, meaning it’s slightly different depending. It is the most popular table game in the United States, and is easily found in casinos throughout the world. Each 3. For example a single-deck S17 game with NDAS and doubling on any 2 cards has a house edge of just 0. Also double down with 9 if the dealer up card is a 3, 4, 5 or 6. Obviously, if you can only double down on hard 10 or 11, as opposed to any two cards, your doubling opportunities are reduced. 83%. you need to follow basic strategy. For example, in a single-deck game you always double down with hard 10 (and 11) no matter what the dealer’s upcard is; you split 9s against a dealer ace. If you are looking for physical strategy cards instead of using our strategy engine, the BlackjackInfo Store has wallet-size basic strategy cards, and an advanced strategy set that includes card counting indexes right on the card. Double after split allowed. The only exception to the basic strategy, when the dealer hits a soft 17, is to hit a suited 6 and 7 against a dealer. Double Down/Doubling: Doubling down or doubling is when a player places an additional bet equal to his original bet and then receives just one additional card. 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:. Martingale (Betting Strategy) | Playing Double Deck Blackjack. The playing strategy changes that you should make when switching from a six- or eight-deck game to a double-deck game with the above rules are as follows. This is because the dealer has two chances to make a stiff hand of 17 or better. Download the Blackjack Strategy Chart. 18%. Even without card counting, knowing the correct basic strategy surrender moves will help to reduce the house edge. Lesson 18 : Advanced Single-Deck Blackjack - Part 1; Lesson 19 : Advanced Single-Deck Blackjack - Part 2;. dealer’s Ace. The chances of landing a low value card if you hit are minimal. Step 2. All 9’s and 10’s have been removed from the playing deck and you can Double, Triple, or Quadruple your bet after the first two cards have been dealt. In a. Some examples: 5 + 7 + 9 = 21, so this hand has a value of 21. edit: if you're an unfortunate bastard playing European no-hole card blackjack (ENHC), you'll always hit. Single Deck Blackjack Basic Strategy Double Deck Blackjack Strategy Shoe Games Blackjack Strategy. Choosing 6-Deck Blackjack Strategy Charts. That’s because our Double Deck Blackjack requires the dealer to stand on soft 17 – a rule. When the count is +3 or higher, you’ll bet $20. HITTING SOFT 17. Blackjack Training Simulator Practice Optimal Strategy. A blackjack strategy chart is the easiest way to quickly learn the best decisions in each scenario. Help others learn more about this product by uploading a video! Upload your video. 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. BlackjackInfo's Blackjack Strategy Cards. Unless you understand the math, and have a computer to work it out, you’ll have to accept basic strategy on faith. Split aces get one card only. Basic Strategy Blackjack Double Deck. Double on 9, 10 or 11 when the dealer’s up card is the same or lower than yours. You need to pick the blackjack basic strategy chart you need to use according to these options. The Blackjack trainer will develop your playing acumen, and enable you to optimise your. 1: Total dependent expected return table for an infinite deck; 2a: Probabilities of dealer blackjack after peek; 2b: Probabilities of dealer blackjack before peek; 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. Dealer deals 2 cards to the players and two to himself (1 card face up, the other face down). But you can learn the basics of the game with our free. Practice Blackjack basic strategy before playing for real money. The formula is: average bet ($100) X hands played (700) X house advantage (0. 2b: Probabilities of dealer blackjack before peek; 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. Videos. 3%, or 0. First, hitting a 2 or a 3 provides a good chance of receiving a hand to double down against the dealer's weak up-card. As my blackjack calculator show difference in house edge between four decks and five decks is 0. We start with a bankroll of $500 at this blackjack table. At most blackjack tables, there is one dealer and from one to six players. That is how blackjack is usually played. Ed Thorp was the first to devise a system for beating casino blackjack, by simulating millions of deals on an IBM computer and turning the results into a card counting system. With multiple decks, hit. It uses one deck and the dealer hits soft 17. Dealer stands on soft 17. In single-deck blackjack, it may even be lower. Rules. A Blackjack Strategy Chart is a tool that incorporates these probabilities and provides players with the optimal play based on basic strategy, taking into account all possible combinations of player’s hand and dealer’s up card. SINGLE-DECK GAME. Hard 12 will stand against 4-6, hit against everything else. * Choose Number of. Ace, you’ll stand as long as the count is 0 or less. So the two-deck game without a shuffler would be much better. So, the starting count is 0 for a single-deck game, -4 for a double-deck game, and -20 for a six-deck game. 8. ) They also offer an 8-deck game where the house edge for a basic strategy player is 0. Basic Strategy for Double Deck Basic strategies have some minor differences depending on the variant being played. 341% compared to a six deck game’s . 1: Total dependent expected return table for an infinite deck; 2a: Probabilities of dealer blackjack after peek; 2b: Probabilities of. The formula is: average bet ($100) X hands played (700) X house advantage (0. That’s why it’s basic strategy to make the play. 6: House edge of . Double deck blackjack features a tempting 0. To make it as simple as possible to count cards, put the cards in the deck into three groups and assign them the following values: 2-6: +1; 7-9: 0; 10-Ace: . It tells the player when the appropriate time to stand, hit, double down, split and if applicable when to surrender (this where the player surrenders half of their initial bet to the casino). Another. In addition an infinite deck model was created in Excel, of which the basic strategy nearly agreed with that of the combinatorial model. Learn how much money is needed to make money with card counting and how many betting units are recommended for your blackjack bankroll to keep risk low? Tour Membership. 59%. However, since all casinos. That’s also the same as saying you’ll get a natural one time out of every 20. Starting from their left, the dealer gives one upcard to each player and themselves. This is meant as an advanced tool, for those who have mastered basic strategy and are looking to perfect their card counting skills. Blackjack Strategy Adjustments When the Dealer Hits Soft 17 - Tunica. Current counts indicate a value of +4, but because we still have two decks less a few cards, we have to divide +4 by. The player cards in blackjack are usually dealt face up, but in single-deck and double-deck games, they are dealt face down. Double soft 19 vs. Blackjackinfo Store. Hard nine vs. Double-Deck Blackjack. Change your bets as the true count rises. 09%; Players may not double down after splitting: +0. The dealer stands on Soft 17, doubling down is allowed on any 2 cards, double down after split is permitted (DAS) and there is no surrender. If the casino has an edge over the basic strategy player of . Basic strategy is just the rocket booster. Our example will be the procedure for the most common blackjack game played with 6 decks. To use the basic strategy, look up your hand along the left vertical edge and the dealer's up card along the top. Learning the basics of Blackjack is your first step to beating the dealer. Click here to download the Blackjack Deviations Chart for 4 to 8 Deck – Dealer STANDS on Soft 17 (245kb) There is no such thing as an all-encompassing chart. Using the ordinary total-depenendent basic strategy the player advantage under the Boss Media rules is 0. Of the 48 squares in blackjack charts which advise you to double, 38 occur when the dealer has. Much harder for casinos to detect this. With this lesson, I’m going to unwrap the veil of mystery which seems to surround the concept of card counting. Players have the ability to re-split up to three hands, double after a split and double down on any two cards. Hard 11 vs. For the purpose of this test, we are going to use common rules which are: 6 Decks. Pair Splitting in Blackjack. Still, you can improve your odds of walking away a winner by using the proper strategy as shown in an. 0329%. Blackjack House Edge. The rocket booster never makes it to space. The dealer peeks. The house’s approximate advantage is 0. Learn how to play blackjack like a pro with this handy chart that shows you the optimal strategy for any situation. The traditional blackjack basic strategy takes into account only the total of the. Multi-deck blackjack, also known as 4-8 deck blackjack, is the most common way to play blackjack today – with 6-deck being the most popular variant. 2b: Probabilities of dealer blackjack before peek; 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. 22%. • Double down hard 9 against a dealer deuce. Counting Cards Can Be Broken Into 4 Steps: Step 1. With Hi-Lo card counting, the player’s advantage goes up by about . 126 for doubling). The most important blackjack rule is simple: beat the dealer’s hand without going over 21. 4%, though. Stand on 14, 15, and 16 vs dealer 2. However, players can double any two cards and double down after a split.