Double Deck Blackjack Betting Strategy
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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:
Double deck blackjack follows standard blackjack rules for the most part. Players and dealer are still required to reach a hand total as close to 21 are possible without exceeding 21. Only two major differences occur with double deck blackjack, which includes double down only on hand total of 10 or 11 and the dealer stands on a soft 17. There are indeed only a handful of changes in strategy between the 6-deck and the 2-deck game. In a 2-deck S17 game: Split 77v8, Split 66v7, and Double 9v2. If the game is H17, also double A3v4. Home » Blackjack Betting Strategies » Oscar System for Blackjack Oscar System for Blackjack The Oscar system, or otherwise known as Oscar’s Grind uses a positive progression style of betting and the aim is to win one unit per cycle, and once the profit is achieved, the cycle ends.
Double Down Strategy for Blackjack Another advanced blackjack strategy is the double down, which gives you a chance to double your wager and potential winnings after the initial deal. The idea is for you to lay an additional wager, but you can only get one more dealt card. 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.
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.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.
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.
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.