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Black Jack School

Double Down

Doubling Down in Blackjack
by Jason Green of Predictem.com

In Blackjack one of the best, and many times most profitable, situations is when you can double down. Doubling down allows you to double the bet you have made after you are dealt your first two cards. Then you will get one more card in your hand to try to get the best hand possible. Many casinos will let you double down on any two cards you get, but there are some casinos that only allow you to double down if you have a starting hand of either 10 or 11.

If you use the basic Blackjack strategy you can find out when you should double down. Doubling down can be profitable to you because you are doubling the bet you made when you have the best chance of beating the hand the dealer has. For example, if you bet $10 and decide to double down, doubling your original bet to $20, and then win the hand you will win $40. But you also have to remember that if you lose you will also lose double your original bet, which will be is $20 (your original bet of $10 x2).


You should take advantage of doubling down when you have a good hand and the dealer shows a weak up card, which may cause them to bust. The best cards for you to double down on is when the dealer is showing a 2-6 with their up card, as the dealer will bust more often when they have these cards. Doubling down should also be done if you have a total of 10 against a dealers showing card of 8 or 9 or if the dealer is showing a 10 and you have a total of 11. But you must remember you only get one more card so, many times you have to get a face card or a 10 to beat the dealer. Even though these are tricky situations and you may be hesitant to double down, in the long run, if you do decide to double down in these situations you will win more often than you lose.

Here is the dealer bust percentage based on what up card they are showing.

- 2 – 35%
- 3 – 37%
- 4 – 40%
- 5 – 42%
- 6 – 42%
- 7 – 26%
- 8 – 24%
- 9 – 23%
- 10 – 23%
- Ace – 17%

Don’t Be Afraid to Double Down

Many Blackjack players are afraid to double down, as they do not want to lose double their bet. If you are a little hesitant to double your bet than maybe you are playing at a table that is above your limits. Doubling down can be very profitable to you and you should take advantage of the situation when it comes along.

You have to realize that you will run into some bad luck whenever you play Blackjack, which is just the nature of playing the game. But even if this is the case you should still double down when the odds are in your favor. Many novice players are hesitant to double down after losing a few double down hands, but you should never disregard the strategy you use, because doubling down in the right situation will win you more money in the long run.

Doubling down can be very profitable to you if you look into the figures of how often the dealer should bust. When you double down in situations that do not give you good odds you are deviating from basic Blackjack strategy and the house edge will increase. Take advantage of doubling down when you can, as it will pay off.

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Interesting Facts

Did you know... that the chances (probability) of being dealt a blackjack is .024%, which equates to one BJ approximately every 42 hands dealt?