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Double Deck Blackjack Betting Strategy

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Wino
  • In case you are playing live blackjack over the internet then you should just click on Double Down and the bet is going to be placed. The strategy of Double Down in Blackjack. Blackjack players strongly believe that you have to double down a total of eleven. With this, there is a good chance that you will get 10 with 21 as total.
  • While double-deck Blackjack gives the player an opportunity to play deck composition strategy, it does not grant the same opportunities that a game such as single-deck often will.
My question relates to the Basic Strategy chart for double deck where it says to split 6s against dealer's 7 if double after split is allowed otherwise hit. And in the same way to split 7s against dealer's 8. Does card composition make so much of a difference in double deck and if so how/reasoning? Would the computer not worry about player getting two 16s and losing against dealer's 17 or two 17's and dealer getting 18 rather than hitting in both situations as in 6 deck basic strategy instead? I have been searching the internet without success. Thank you for your help.

For example, you may be allowed to double after the split, while in other cases, you won't be. Also, some variants are dealt with one deck (see single deck blackjack strategy) while others use multiple decks. The basic strategy is adjusted based on the variant in order to produce the best results. The Double Deck blackjack basic strategy uses. There are also slight variations in strategy when you play a 6 deck game versus a single deck game. Rather than teach you 9 different basic strategy charts for each variant of blackjack you will ever see, we decided to run our simulation against the games people will most commonly see and teach one basic strategy that is sufficiently effective.

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Wanda Wilcox: 'I can't stand people. I hate them.' Chinaski: 'Oh, yeah?' Wanda: 'You hate them?' Chinaski: 'No, but I seem to feel better when they're not around.' Barfly, starring Mickey Rourke
RS

My question relates to the Basic Strategy chart for double deck where it says to split 6s against dealer's 7 if double after split is allowed otherwise hit. And in the same way to split 7s against dealer's 8. Does card composition make so much of a difference in double deck and if so how/reasoning? Would the computer not worry about player getting two 16s and losing against dealer's 17 or two 17's and dealer getting 18 rather than hitting in both situations as in 6 deck basic strategy instead? I have been searching the internet without success. Thank you for your help.


Perhaps I'm wrong. But my intuition:
66v7: Because your hand is composed of two 6's..it is now that much harder to get another 6, thus making 18, which should be a winning hand against a 7. In multi-deck, you have a much better chance at getting another 6, for 18, for a winning hand.

Double Deck Blackjack Betting Strategy Tactics

77v8: Same thing, another 7 gets you to 21, which is an awesome hand.
You could get dealt a T on both of your splits, which would suck. But you could also get dealt a 3-5 (4,5 for 66v7, or 3v4 for 77v8) which would mean you'd double down, since you'd have 10 or 11 vs 7 or 8.
Ultimately, I've come conclude: Trust the math & The math is right.
If you're able to simulate the situation, go ahead.
I've always wondered about certain hands, but as of yet, I have never found a fault in a proper strategy (ie: their math was wrong) from a recognized source. Although, it can be useful and nice to know the math behind it.
Some plays are borderline and really don't make a difference, while others have a significant difference. The stupid rarities, like splitting 99v7 or 99vA (at a true 2 or maybe 3?) or doubling 10vT or 10vA (true 4?) occur so infrequently and have such little value...it doesn't matter what you do! Other hands, like insurance...those have a big impact on your expected win/loss.
Wino
Thank you RS. That helps a lot.
Wanda Wilcox: 'I can't stand people. I hate them.' Chinaski: 'Oh, yeah?' Wanda: 'You hate them?' Chinaski: 'No, but I seem to feel better when they're not around.' Barfly, starring Mickey Rourke
Greasyjohn

Double Deck Blackjack Betting Strategy Odds

My question relates to the Basic Strategy chart for double deck where it says to split 6s against dealer's 7 if double after split is allowed otherwise hit. And in the same way to split 7s against dealer's 8. Does card composition make so much of a difference in double deck and if so how/reasoning? Would the computer not worry about player getting two 16s and losing against dealer's 17 or two 17's and dealer getting 18 rather than hitting in both situations as in 6 deck basic strategy instead? I have been searching the internet without success. Thank you for your help.


To clarify, you would split in DD and SD. Rmemeber each 7 is .3 in count. This makes more difference in 2 or less decks than more decks. Same for 6,6. The TC is higher in SD & DD than 4-8 D; so when you split you're even more likely to double down.
Wino
Nice. Thanks Greasyjohn for helping me see that. Regards.
Wanda Wilcox: 'I can't stand people. I hate them.' Chinaski: 'Oh, yeah?' Wanda: 'You hate them?' Chinaski: 'No, but I seem to feel better when they're not around.' Barfly, starring Mickey Rourke
Dieter

my intuition:
66v7: Because your hand is composed of two 6's..it is now that much harder to get another 6, thus making 18, which should be a winning hand against a 7. In multi-deck, you have a much better chance at getting another 6, for 18, for a winning hand.


My intuition says otherwise.
You're looking to draw a (A, 2), 3, 4, or 5 and double. (A & 2 in parenthesis, because that's not really BS, but .. well, I see quite a few gambler types do it.) None of these draws are particularly helpful to the 12. The ability to double on a (9 or) 10 or 11 vs 7 makes it worthwhile to split.
If you do draw a 6, you resplit. (At this point, you've used at least 3/8ths of the 6's, and the second resplit is increasingly unlikely.)
Since the dealer is showing a 7, you're somewhat less likely to draw a 7 for 19 up front.
May the cards fall in your favor.
Wino
Dieter. Thank you for the explanation. Very much appreciated.
Wanda Wilcox: 'I can't stand people. I hate them.' Chinaski: 'Oh, yeah?' Wanda: 'You hate them?' Chinaski: 'No, but I seem to feel better when they're not around.' Barfly, starring Mickey Rourke
Greasyjohn
A little more information about 7,7. In SD you stand vs dealer 10 up. Part of the reason why is because drawing to a powerful hand by getting another 7 is lessened (only 2 more in the deck). In DD you stand when the TC is +4 in this same scenario. Same reasoning. So if 7,7 is weaker in 1 or 2 decks than it is in 6 or 8 decks you're more likely to split. Splitting 7,7 vs dealer 8 if DAS is a very close play. On the face of it you would think the deck is neutral. But remember that each 7 is + .3 so the count is +.6. Splitting 7,7 vs 8 if the TC is +1 or greater is a rough approximation. And it is BS when 7,7 vs 8 in SD & DD if DAS.
Wino

Double Deck Blackjack Betting Strategy Poker

Interesting. Thanks again Greasyjohn.
Wanda Wilcox: 'I can't stand people. I hate them.' Chinaski: 'Oh, yeah?' Wanda: 'You hate them?' Chinaski: 'No, but I seem to feel better when they're not around.' Barfly, starring Mickey Rourke

Double Deck Blackjack Betting Strategy Games

Those of you who are new to the game of blackjack may have noticed that some blackjack games are played with one deck of cards while others are played with 2, 4, 6 or even 8 decks of cards. What's the difference between single and multiple deck games and what are the advantages or disadvantages?

Single deck blackjack has often been looked at as the holy grail of the game because it offers players the best chance to win profits. In fact, the house edge is just 0.15% when players stick to blackjack games with a single deck.

Long ago, single-deck blackjack was the standard and the only game in town. In recent years, however, casinos have moved towards multiple deck games to make it harder for players to count cards, a strategy which has gained popularity over the past few decades. Not only is it more difficult for players to count cards with multiple decks in use, but using multiple decks also increases the house edge slightly.

Many casinos have reintroduced the single-deck blackjack game, but don't be fooled into thinking that playing a single-deck game will give you better odds. In fact, you will notice that when playing a single-deck game of blackjack many casinos only offer a 6:5 payout for blackjack, while multi-deck games offer 3:2.

If you placed a $10 bet and got blackjack on a multi-card game with 3:2 payout you'd walk away with $15, whereas you'd only get $12 for a single-deck game with a 6:5 payout. The slight increase in the house edge isn't worth the decrease in the blackjack payout that the house gives for a single-deck game. Therefore, unless you can find a casino that offers a 3:2 payout for single-deck blackjack it is a wise decision to stick to multiple deck games.

Casinos also often enforce disadvantageous rule variations on single-deck and double-deck games in order to give the house more of an edge. These variations can include requiring the dealer to hit on soft 17, not allowing players to double down after a split, not allowing the resplitting of aces and a number of other variations.

Card counter have tried to employ their strategy even when using multiple decks, even though it involves more calculations and a greater risk of losing the correct count. Casinos have developed an arsenal of tactics to disrupt counters who try to count multiple decks. Many have decided to use continuous shuffle machines which shuffle the cards back into the shoe with every hand.

With this being the case, you'd think that finding a single deck blackjack is the greatest thing ever. However, there are actually some disadvantages to the subject as well, which is covered below along with single deck blackjack advantages.

Advantages

The obvious advantage to playing single deck blackjack is just as we stated before in that you're getting the absolute lowest house edge. Facing a 0.15% house edge puts you on nearly a level playing field with the casino, and makes your chance of profiting seem like a coin flip. Of course, to take advantage of the low casino edge, make sure that you understand good basic blackjack strategy first – otherwise, it doesn't really matter how many decks you're dealing with.

There is another big advantage for card counters. Usually, card counters these days are dealing with six and eight deck shoes, which means they have to wait longer for favorable counts. But with single deck blackjack, card counters don't have to wait nearly as long to get a favorable count, thus letting them bet big much sooner.

Disadvantages

Double Deck Blackjack Betting Strategy

Based on the aforementioned advantages, you wouldn't think there'd be much downside to single deck blackjack. But the problem is that casinos often advertise single deck games, yet offer unfavorable rules to increase the house edge. And what's bad about this is that the house edge can actually end up being higher than with six or eight deck blackjack.

In the worst case scenario, casinos will only make 6:5 blackjack payouts instead of 3:2 payouts. This one rule alone will bring the house edge from 0.15% all the way up to 1.45%. Considering the fact that you can still keep the house edge at around 0.5% with both six and eight deck blackjack, it's sometimes not even worth the effort to search for single deck games. Casinos might put other unfavorable rules in the single deck games too, so watch out for this.

Single and double deck games are generally dealt with the cards face down. This is another tactic that casinos use to thwart counters. Players who stand before your turn will place their cards face down on the table. Since no one has no idea what they are holding, counters not value those cards in the count.

Another disadvantage to single deck blackjack is that you're very unlikely to earn many comps with this version of the game. After all, if it's true single deck blackjack you're playing, the casino won't make much money off you in the long-term. That said, they aren't going to be generous with comps either.

Casinos usually offer a few lower limit single deck games to entice players to visit their casino. It is the old bait and switch technique that often works. They know that if the table is full or the betting limits are severely restricted, players will move to higher earning tables.

Learn about the other tricks by reading 'How Casinos Cheat.'





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