A really good book to read on the subject is playing blackjack as a business it has the gains and loses for splitting pairs and doubling down against all possible up cards. A believe that if you had a $100 bet and split two aces against a 5-6 it would be worth about $30 to you. If you doubled down with an 11 vs a 5-6 you should win 2 out of 3 doubles. So it should be worth about $15-$20 on a $100 bet. However I'm not 100% sure on these numbers because I'm not looking at playing blackjack as a business write now as I'm writting this. If you want a book that will tremendously improve your game playing blackjack as a business is it.
I appreciate that you took the time to respond. However I think there is something wrong with your math. When you say I would win 2 out of 3 doubles but the value is only $15-$20, this really seems wrong to me.
If I double down $100 three times and win twice, two times I win $200, and once I lose $200 for a total win of $200/3 hands. This would put the value closer to $66, but that is based on your initial statement that I would win 2 out of 3 doubles.
Can you please tell me how you came to figure I will win 2 out of 3 doubles?
Also any idea what the value of splitting aces is?
Even though you now have $200 on your bet you only added a $100 to your bet so your $66 should be reduced down to $33. I'm not sure how accurate I'm in saying that you will win 2 out of 3 but it is a close as I can come up with. I let somebody else borrow my copy of playing blackjack as a business so I can't look up the exact value of doubling an 11 vs a 5 or 6.
decimal number is expected return. I would *assume* that it is on your total bet, but it is possible that it is only on your initial bet. actually it is most lilkely to be on your initial bet.
assuming initial, then you win ~$60 for every $200 you wager (100+100dbl/spl)
assuming total, then you win ~$120 for every $200 you wager
which is it? it's initial isn't it......
where you can see your expected value for hitting vs standing etc. That way you know how many cents per dollar bet that hand would cost you if u misplayed it compared to playing it right.
All these are very positive hands for the player so I guess the more money you could get out, the better.
Last edited by Kasi; March 30th, 2007 at 12:57 AM.
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The value of doubling an 11 vs 5-6 when the dealer stays on soft 17. The value on a $100 bet for 5 is $36.10 The value for doubling on 6 is $36.20 I believe the value could be slightly higher for hit soft 17 but I'm not a 100 sure.
The value of splitting aces vs a 5 or 6 on a $100 bet is $55 against a 5 and $55.90 against a 6 these are when the dealer stays on soft 17 I believe the value might be more when the dealer hits soft 17. As you can see it is a big time gain even though drawing to split aces is prohibited. If you where allowed to draw than the gains would be even bigger!
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Value of splitting AA or doubling 11 vs a 6 or 5....
Values revised.
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