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Blackjack is a game that may look simple on the outside, but beneath the surface, you’ll find that it’s all about odds and making the correct mathematical decisions. It’s easy to let your intuition take over and base your decisions at the table on that. To be able to play perfectly and master blackjack, it is, however, crucial to understand what the odds are for every scenario you face and only base your decisions on those odds.To master house odds in blackjack it’s important to be aware of how the house is getting an edge in the game and what advantages us players have to our disposal, which can be used to lower the house edge.

In the following article, we’ll be covering the basics for the optimal blackjack strategy, known as basic strategy, which makes it possible to lower the house edge a great deal. We’ll take a look at how the house is getting its edge; what our own advantages are; give a few examples on the odds on certain outcomes and show you how basic strategy is applied at the tables. The goal is to create a good understanding of the importance of odds and how the use of basic strategy can help you improve your game when you’re playing for real money.

The house edge in blackjack

As with all online casino or live casino games, it’s inevitable to get away from the fact that the house has an edge on us players. Even if you master blackjack and learn how to make all the right decisions using basic strategy, it’s important to be aware that the house will still have an edge and win in the long run. The exception would be if you played perfectly and also learned how to count cards as you actually could get a slight advantage.

The reason that the house always has an edge on us players in blackjack is the simple fact that we have to act first at the table. Every time we hit a card and bust, which happens about 28% of the time, we will lose even though it turns out the dealer busted as well. This is the huge advantage the house has on us, which is that big that we normally can’t beat it.

Even though we can’t beat the house, we have all the tools needed to drastically lower its edge. As a starting point, the house has an edge of 8% on us players, but by using the blackjack optimal strategy and the blackjack basic strategy, we’re able to lower this down to as little as 0.2-0.5%, depending on what the rules are at the table. This is done by using the advantages that we players have at the table in a mathematically correct way.

Find out about even money strategy, another blackjack playing strategy and when to use it.

The player's advantages in blackjack

In online blackjack even though the dealer has a huge advantage by always acting last, we players do after all have a lot of alternatives that can be used to our advantage, which the dealer doesn’t. It’s these alternatives that make it possible for us to perfect our game so that the blackjackhouse edge can be drastically lowered.

Every time we manage to hit 21 and get a blackjack, we get paid extra as this pays 3:2 (2.5 times the stake), as long as the dealer doesn’t also have 21 as we would then just get our stake back.
We have a lot of options with our hands as we’re always allowed to choose if we would like to stand or hit, whereas the dealer is extremely limited and forced to hit on all card combinations up to a value of 17, no matter if the dealer has us beat with a lower hand value.
We’re able to use a double down feature that allows us to double our stake at times when it’s to our advantage, hence being able to maximize our winnings from those moments.
We can choose to split pairs, which makes it possible for us to improve weaker hands and also take advantage of the dealer’s weak ones.
Even if it’s not always offered, we sometimes have the possibility to blackjack surrender strategy our starting hand and get half our stake back. In the long run, this can save us money and the dealer never has this option.

The importance of odds

The key to becoming a successful blackjack player involves understanding the odds of winning, as well as considering the probabilities of blackjack. No matter what cards you have been given and what situation you face at the table, it’s incredibly important to be aware of the chance of winning and probability of busting.

The key to becoming a successful blackjack player lies a lot in the understanding of odds and probabilities. No matter what cards you have been given and what situation you face at the table, it’s incredibly important to be aware of the chance of winning and probability of busting. Let’s start off by looking at the blackjack odds table to see what the probabilities are to bust when you hit an extra card to your starting hand:

Probability to bust on an extra card
Hand value	Probability
11 or lower	0%
12	31%
13	39%
14	56%
15	58%
16	62%
17	69%
18	77%
19	85%
20	92%
21	100%

As you can see in the table above, the probability to bust becomes higher the higher the hand value you got. Perhaps we’re stating the obvious, but what’s not as clear is how big or small the probability actually is, which is important to be aware of. The importance of this becomes very clear when we also take a look at what the probability is for the dealer to bust depending on the first card shown. Please note that the probability for this varies depending on what the rules state; if the dealer has to stand or hit on soft 17 (17s). See the table below:

The dealer’s probability to bust
Dealer’s card	Probability when standing on 17s	Probability when hitting on 17s
Ace	17%	20%
2	35%	36%
3	37%	38%
4	40%	40%
5	42%	42%
6	42%	44%
7	26%	26%
8	24%	24%
9	23%	23%
10	23%	23%

Without any deeper understanding of odds in blackjack, it’s easy to believe that hitting on a hand value of 12 would always be the right decision. This is because 12 is a very low value and the fact that more than two-thirds of the cards in the deck(s) would improve the value of it. Even though you got a weak hand, the dealer could also have a weak one (i.e. a six), which means that the dealer would have a high probability of busting. Only focusing on your own hand is a very common mistake as the dealer’s probability of busting is just as important to have in mind.

As you can see in the table above, the dealer has a 42-44% probability of busting when being dealt a six, which is very high. Because of this, it’s actually always the mathematically correct decision to stand if you have a hand value of a hard 12 (12 without an ace in the hand) when the dealer’s showing a six unless you’re looking down at two 6s as a split would be better. In the long run, you’ll unfortunately always lose money in an scenario like this as you have the odds against you, but by choosing to stand you’ll lose fewer hands than you would by hitting.Being aware of these fundamental Blackjack odds statistics is a valuable skill when playing blackjack..

Blackjack FAQ - Frequently Asked Questions

Can I/should I double down my hand?

If the odds of winning the hand are on your side doubling down is a great decision to make. The feature is however not always available for all hands, but the rules can vary from one table to another. Nevertheless, this is the question you should ask yourself and if the answer to it is no, you should then ask the following.

Should I stand or hit another card?

It’s very easy just to focus on whether or not you should hit or stand, but this is always the last thing you should think of, after asking yourself all of the above questions. To be able to play perfectly by using basic strategy, your last decision should always be if it’s to your advantage to hit an extra card or if it’s better to stand.

What are the blackjack odds of winning?

Looking to see if you can beat the dealer’s hand on Blackjack? The aim is simple: get to 21 without going over.

The typical hand of Blackjack gives you a 42.22% chance of winning, while the tie stands at around 8.48%.

Before taking your seat at the table, check out the importance of Blackjack odds and find out the probabilities you and the dealer face of busting when deciding whether to go for an extra card.

How is the blackjack odds payout being done?

Blackjack payouts are pre-determined and are done automatically on the result of each hand. Most Blackjack online games see a winning hand pay 1:1 and Blackjack pay 3:2.

Different Blackjack tables also give you the chance to play a range of side bets. Some tables feature the Perfect Pairs and 21+3 bets. If you play the Perfect Pairs, payouts can reach 25:1, while the 21+3 payout can reach 100:1.

What are the odds of being dealt 20 in blackjack?

With the random nature of the deal in Blackjack, your initial two cards can vary. There’s a 30% chance that you’ll be dealt a Standing Hand, where the two cards are worth between 17 and 20, while a Natural Blackjack is rated at 4.8%.

How is house advantage calculated?

The house edge or house advantage is calculated based on the percentage the casino will win over the long-term of a game.

The house advantage can vary on the Blackjack table depending on several factors, including the number of decks used, the payouts and whether the game features a soft 17.

Blackjack Odds

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