Objective Joe is wondering if there is much truth in the rumor that the A7 is the most misplayed pair in blackjack. Hit A7 when the dealer's Show card is a 9.

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I'm guessing yes, but one of the hardest plays in BJ is splitting eights vs a ten. As a side note, In your blackjack strategy you surrender 16 against A,10,9. You say to A7, , , , ,

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Does anyone one know at what count you stand with A7 vs 9/10/Ace. I am talking about a 6 deck, DAS, game. Also what is the EV loss if.

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Ace-seven is by far the most difficult hand for the professional blackjack player to handle. Playing A7 in Blackjack In this case, you count the hand as an 8 and pray for a 9 or 10, or you count it as an 18 and hope for an Ace through 3. vs 9 Β· Playing 17 vs A Β· Playing Ace Seven in Blackjack Β· Playing Two's in Blackjack.

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Industrious 18 for Level-One Players Hitting/Standing A7 versus AceβHit if the versus 10βHit (don't double) if the true count is less than -4 10 versus 9βHit.

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You don't hit your 12 vs dealer 2, costs. %. You don't hit your A7 vs dealer 9, costs. %. You don't hit your 16 vs dealer A, costs. %. You double your.

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Industrious 18 for Level-One Players Hitting/Standing A7 versus AceβHit if the versus 10βHit (don't double) if the true count is less than -4 10 versus 9βHit.

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The Hard DoublingRules 9. Double downon10 and 11 versus 2 through8. Double downon9 versus 6 The Soft Doubling Rules Doubledown onA6and A7.

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Does anyone one know at what count you stand with A7 vs 9/10/Ace. I am talking about a 6 deck, DAS, game. Also what is the EV loss if.

Enjoy!

I'm guessing yes, but one of the hardest plays in BJ is splitting eights vs a ten. As a side note, In your blackjack strategy you surrender 16 against A,10,9. You say to A7, , , , ,

Enjoy!

Overall hitting is better of two bad plays. Even if you can't double after a split you should still decline to surrender. Following this rule will result in an extra unit once every hands. Single deck blackjack rules are usually tight. In an actual game with a finite number of decks the odds are even better since one 10 is already out of the deck in your hand which lowers the dealer's probability of having a blackjack. About your other question, yes in a 4-deck game the player should hit a 10,2 against a 4, but only if the dealer stands on a soft Following this exception will help you win more unit every hands, or lower the house edge by 0. So, the player can expect to win an extra 8. Millions of hands must be played both ways and the results tabulated to truly know the best play. It took me years to get the splitting pairs correct myself.{/INSERTKEYS}{/PARAGRAPH} It is actually composition dependent in both single and double decks, in other words depending on which two cards that total 11 determines how to play the hand. Based on a two-deck game, where you can not double after splitting, the expected value of splitting 8,s against a 10 is Contrary to their claim of having the "World's Most Liberal Blackjack Rules" there are better single-deck games right across the street at the Horseshoe or the Golden Gate. If the dealer gets a blackjack, then you push. You have to consider everything that could happen and weigh every outcome by their probability. You have to consider everything that can happen, weight it by its probability, and take the sum. If not, then you win 1. The fewer the decks and the greater the number of cards the more this is true. {PARAGRAPH}{INSERTKEYS}Thanks for the kind words, Jim. Following is the expected return by hitting each way to compose a In other words the odds just barely favor surrendering a 10,5 and 9,6 but the odds favoring hitting 8,7 by a much wider margin. Appendix 1 is based on an infinite deck. This is another way of looking at the decision to take insurance. Hitting has an expected loss of However, standing has an expected loss of There is no easy explanation I can give why hitting is better. For example, A-4 against a 4 favors doubling with 26 decks and hitting with 27 decks. It would take about 5 years playing blackjack 40 hours a week before this piece of advice saved the player one unit. Thanks for the compliment. A 17 is not a good hand and motivates the player to hit and try to beat it. Yes, this does override my advice to hit 14 against a I don't like that expression either. The expected return by splitting in this situation is 0. This is the correct play in all my single-deck blackjack strategies. With the low hope of beating a dealer 20, it is better to hit, or surrender if you can. For example, my blackjack appendix 9B shows the return both ways by playing 10 and 6 cards against a dealer 7. To illustrate why you should split 8's against a 10, check my blackjack appendix 9b. Lets assume an infinite deck of cards for the sake of simplicity. In blackjack there are seldom simple answers. Yes, you should keep splitting as long as you keep getting tens. Cards are dealt face down. I took great pains to create my blackjack appendices 9A-9H to answer these kinds of questions. According to my blackjack appendix 9b , the expected return in a double deck game of hitting a soft 18 against an ace is So hitting is just a hair better. This is true whether or not the dealer hits a soft If the dealer stands on a soft 17 the expected returns against a 5 are. So you lose less on average by hitting. I hate to give sound bite answers to the basic strategy because there are numerous ways the cards can play out. Expected Values for 3-card 16 Vs. So standing is the marginally better play. Don't pay much stock in what other players say or do at the blackjack table. Both hands you mention are borderline plays and the number of decks affects which play is better. The table shows that splitting 8's against a 10 in double deck has an expected return of In other words, you can expect to lose If not allowed to double after a split, then the rate of return is Splitting 8's against a 9 or ace has an even greater return. Not worth the bother of memorizing the exception in my opinion. However if you can you should double on the 6 only. There is no simple rule of thumb that works in all situations. The maximum applies to the initial bet. This is greater than the expected value of Based on one deck the expected value of each hand considering the possibility of a dealer blackjack is Splitting is also better for the 4-deck game, which no Microgaming player should be playing since a 1-deck game with the same rules is available. Yes, I made a couple changes to the two-card list. Using my blackjack appendix 9G we can find the following expected returns: Stand -. You can always see the relatively current blackjack rules in Vegas at my Wizard of Vegas site. Thus declining insurance, or even money, and playing the hand is the better bet. There you can see the expected return by standing on two 10's against a dealer 6 is 0. Doubling is usually restricted to 9 to 11, or 10 to The dealer will hit a soft 17 and double after a split will probably not be allowed. To test the most likely case to favor hitting, 8 decks and only 3 cards, I ran every possible situation through my combinatorial program. There are no exceptions to the Unified Gaming basic strategy when the dealer has an ace showing. Please see my page on rummy , which is the blackjack variant popular in Costa Rica. For example, in a six-deck game where the dealer stands on soft 17, you would use blackjack appendix 9G. The best play is the one with the greatest expected return. At best it is a memory device to help people remember to hit a stiff hand if the dealer has a 7 to 10 showing. Be sure to NOT play if blackjack pays less then 3 to 2, which is usually the case with single-deck games. The following table displays the results. The expected returns for doubling and splitting are based on the total return for that hand relative to the initial bet. A-2 against a 5 also crosses over somewhere between 8 and an infinite number of decks. This shows expected return for any initial situation for any given play. However as you said the dealer is also more likely to get a 17 with a 6 showing than a 5. You can see these numbers for yourself in my blackjack appendix 9e. This would be a bad play. The expected return of taking even money is obviously 1. Although this is a close play, standing is the third worst option. However if you don't wish to memorize the composition-dependent basic strategy exceptions , then you should double on 11 against an ace in single and double deck and hit with four or more decks. You are much better off at any ordinary game, which are easy to find elsewhere. It is the six decks at the Las Vegas Club which work against the player. Whoever told you to surrender two 8's gave you incorrect advice, assuming American late surrender. So doubling is the better play. You should use appendix six only if the dealer is showing a ten in a Unified Gaming blackjack game. Yes, you still want to split eights, even if late surrender is offered. This is an interesting situation. Don't feel badly about falling for their marquee, I fell for it myself in my younger days before I knew the effects of rule variations. The expected value of hitting would be 0. Against a 6 the expected returns are. Playing one hand and losing does not disprove anything. Yes, you could double or split in those situations.