Blackjack Should You Split 10s

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.

Double Exposure Blackjack (Face Up): In this blackjack variation both dealer’s cards are exposed which gives us additional information on whether we should split, double, stand and so forth. In Face up blackjack you should split tens vs. Dealer’s 13, 14, 15 and 16. Tips For Splitting 10s In Blackjack – Exceptions The blackjack strategist went on to describe a few very rare occasions when he himself felt it was in his best interest to split 10s in a blackjack game. The first is during a game of Face-Up 21, a blackjack variant in which both of the dealer’s cards are exposed. Presuming that you have not been Counting Cards splitting 10’s is beyond self-destructive against any dealer ‘up-card.’ However, if counting cards, and you have a sufficient surplus of unplayed Aces and Tens, it can be a profitable play, if facing. Blackjack Variants which Call for Players to Split 10’s The only blackjack game variant which is going to have a perfect playing strategy that will occasionally see you being able to split a pair of 10’s as the correct playing decision is the game of Double Exposure Blackjack.

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.

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

Blackjack Never Split 10

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.

Never Split 10s

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