How To Double Down And Split In Blackjack

When playing blackjack at a physical or land-based casino, the most frequent decision you’ll have to make is whether to hit or stand. While you can gain a feel for this over time simply through experience, you can expedite the process by studying up on the best moves to make in any given situation. If you’re ready to win more cash during blackjack games, read our handy guide to learn when to hit and when to stand.

All basic blackjack strategy cards have information on when a player should double down and split their hand. This extra bet amounts will help players maximize returns and lower the house edge for the casino. Let’s first take a look at the hands a player should double down to maximize their return when playing blackjack using the basic strategy. Correct usage of double down won’t increase your chances to win, and still, it can increase your winnings. Moreover, combining double down with split can bring a cumulative positive effect. The only thing you need to consider – different casinos can have different rules and restrictions when it comes to double down. Allowed to split twice (up to three hands). You can split non identical 10 value cards. Splits Aces cannot be re-split. Split Aces receive only one card. You can hit and double down split hands. Let’s take basic basic Vegas Strip hole card blackjack rules and see how different splitting rules influence the house edge.

Master the Basics

Before we delve into strategies, we want to make sure that you have a firm grasp on the basics of hitting and standing. The main premise of blackjack is to get a hand whose total exceeds the dealer’s hand, but without going over 21. When you hit, this means that you want to draw another card to try to improve your hand’s total. Conversely, when you stand, you are satisfied with your hand’s total and don’t want to draw any more cards. If you signal to the dealer that you want to stand, your hand for the round is completed. If you hit and your hand exceeds 21, you’ve busted.

We have two important gambling terms for you to memorize before learning strategies: hard hand and soft hand. A hard hand is any hand that doesn’t contain an ace, or in which an ace’s value is only 1. A 10-8 and a 7-A-10 hand are both hard 18s. A soft hand contains an ace that’s counted as an 11. For instance, an A-7 hand is a soft 18. If one of the first two cards you are dealt is an ace, you have a soft hand. This gives you an advantage. The ace has a value of 11, but if you take a hit and go over 21, its value reverts to 1. This eliminates the risk of busting after that hit, thus giving you the freedom to make moves that would normally be risky.

Now that you know the basic definitions, we’ll go through the circumstances in which you should hit or stand. We’ll provide you with the best strategies, as well as blackjack hit/stand tables that you can save for future reference.

Hitting and Standing with a Hard Hand

When playing blackjack with a hard hand, we would recommend the following:

When you are dealt a total of 5-8, always hit.
When you are dealt 9, hit if the dealer shows a 2 or a 7 through ace.
If you have 10, hit if the dealer shows an ace or a 10.
If your hand is 11, hit only if the dealer shows an ace.
For a hand of 12, stand if the dealer shows a 4 through 6. If they show a 2, 3, or a 7 through ace, hit.
When you have a hand of 13 through 16, stand if the dealer reveals a hand of 2 through 6. Otherwise, hit.
When you are dealt 17 through 21, you should always stand.

Reference Chart

Blackjack hit or stand on a hard hand cheat sheet.

If you’re playing a multi-deck game and you have a hard 17, double down instead of taking a hit.

You’ll need to make some minor tweaks to our strategy, depending on the number of decks and rules you’re playing with. If you’re playing in a double-deck game, don’t hit when you have a 9 and the dealer has 2. If you have an 11 against the dealer’s ace, don’t hit either. In both cases, you should double down.

And lastly, if you’re playing in a single-deck game, double down under the following circumstances:

You have 8 and the dealer has 5 or 6.
You have 9 against the dealer’s 2.
You have 11 and the dealer has an ace.

Hitting and Standing With a Soft Hand

Remember, you can’t bust a soft hand with a one-card hit. Taking that into consideration, our strategy for playing with a soft hand is much simpler than our hard hand strategy. Keep the following moves in mind:

If you have a soft 19 or 20, you should always stand. You are unlikely to get a stronger hand than this.
For a soft 18 against the dealer’s 2 through 8, stand. If the dealer shows 9, 10, or an ace, hit.
If your total is soft 17 or less, you should always hit.

What Are Your Other Options?

Hitting and standing aren’t the only options available to you in a game of blackjack. The following moves are also possible:

— Split. If you are initially dealt two cards of the same value, you can split your hand. You’ll place an additional wager equivalent to your first one, and then manage two hands rather than 1.

— Double Down.Gamblers can increase their potential profits with this move, but it comes with some inherent risk. To use this move, you must double the size with your bet and then receive one more card. After that, you must stand.

— Surrender. If you are not confident with your chances of winning the round, you have the option to surrender. When you use this move, you will only lose half of your bet.

Where to Play Blackjack Online

Are you ready to put your newfound knowledge to the test? Check out Bob Casino! Our library of online casino games contains numerous varieties of blackjack. You can play for free until you master your hit and stand strategies. When you’re confident in your skills, you can even try your hand at winning real money. Come create an account at Bob Casino today for the ultimate gambling experience.

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Splitting is an interesting component of playing Blackjack that allows you to enter two hands in the same round if the first two cards in your initial hand are of the same value. So what is splitting, when can you do it and when should you? Read on to find out.

What is splitting in Blackjack?

A player can split in a round of Blackjack if their opening two cards are of the same value. This means any pair from Ace through to nine and any two cards valued at ten (for instance, a ten and a Queen).

If a player decides to split, they must place a second bet for that round of the same value as their original bet, essentially doubling their stake. The two cards are then treated as the first card of two new independent hands that are played out separately. Should one of these hands become a pair, the player is allowed to split again and enter a third hand whilst tripling their stake, and so on.

Generally, you are allowed to hit or double down on a split hand, with the exception of if you have split two Aces, in which case the two hands are often not allowed to consist of more than two cards. In some cases, a Blackjack achieved on a split hand will not count as such, and simply be valued at 21.

In a game of Blackjack, opportunities to split will likely be rare. You have an approximate 0.5% chance of getting any pair from Aces to nines in your opening two cards, and a 9.4% probability of getting two cards valued at ten.

When to split in Blackjack

It is arguably universally agreed that there are two scenarios in which you should always split: if you have a pair of Aces or a pair of eights.

You must carefully consider if you are going to split in Blackjack.

While you are likely to be prohibited to getting only one more card on two split Aces, this nonetheless presents two separate opportunities to get Blackjack. There will be an approximate 30.4% chance of a hand starting on an Ace getting Blackjack, equating to a 51.6% probability that at least one of your two hands will do so.

Meanwhile, a pair of eights presents a value of 16. This is widely considered to be the weakest opening hand in Blackjack, by virtue of the fact it is one beneath the minimum value of 17 that the dealer is required to finish on (meaning it is always likely to lose) but has a significant risk of going bust when hitting. Splitting a pair of eights averts this problem.

For a pair of nines, you should split in all circumstances unless the dealer’s face up card is a seven, worth ten or an Ace, in which case you should stand. If the dealer’s face up card is a seven, the most likely outcome is that their second card will be worth ten, meaning they will be forced to finish the round with a hand worth 17, less than your hand’s value of 18.

If the face up card is worth ten or an Ace then they have a chance to get Blackjack, meaning standing on a value of 18 is the option that presents the best chance of winning.

With the exception of pairs of fives, for pairs between two and seven you should look to split when the dealer’s face up card is certain values between two and seven and they are at the greatest risk of going bust. The information discussed in the last few paragraphs is summarised in the table below:

Blackjack splitting strategy

NB: This table assumes four to eight decks in play and that the dealer hits on a soft 17.

How to double down and split in blackjack machine

When not to split in Blackjack

Under no circumstances should you split on a pair of tens. An opening hand worth 20 is very strong and can only be beat by a Blackjack or a three-card hand worth 21, and the dealer has just an approximate 12.2% chance of getting this in any given round. When splitting a pair of tens, you are likely to end up with two separate hands both worth less than 20, essentially spurning a strong opportunity to win the round by putting yourself at risk of doubling your losses.

You should also never split on a pair of fives. In this situation, the best approach is to double down, as this will provide an approximate 53.8% chance of finishing your turn with a strong hand containing a value of 18 or higher. The exception here is if the dealer’s face up card is worth ten or an Ace and they therefore have a chance to get Blackjack, at which point you should hit.

For pairs of twos, threes and sevens you should not split if the dealer’s face up card is at least an eight, and for pairs of fours and sixes you should not split if the dealer’s face up card is at least a seven. For pairs of fours, you should also never split if the dealer’s face up card is beneath five, at which point they have a plausible opportunity to build a high value hand via three cards.

Enhance your Blackjack strategy

If you’re looking for general advice on how to play Blackjack, read our guide to Blackjack. If you want to learn more on how to inform your Blackjack strategy, remember to read our articles on how to double down and surrender, alongside how to place a side bet and insurance bet.

We also have an article outlining an advanced Blackjack strategy. If you want to learn more about Blackjack beyond how to play the game, you can read about the history of Blackjack.