gambit21
gambit21
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January 18th, 2011 at 7:49:17 AM permalink
A friend of mine likes to play a Gameking version of video blackjack at the bar. It is stand 17 but does not allow double down and no splits and BJ pays even money. He said it doesn't make much different on the odds. I am thinking it' s got to have a -5% edge. Does anyone know how to figure out the house edge on this bad game?
toastcmu
toastcmu
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January 18th, 2011 at 7:54:44 AM permalink
Wiz's complete list of rules affecting house edge

The even money is a -2.27% house edge itself. While not listed, I believe no doubling any cards adds about another -.8% to the house edge right there.

I've never seen not allowing splits at all either. I think your 5% edge is probably pretty close.

If you have the shufflemaster electronic blackjack machines, those are the ones to play....

-B
FleaStiff
FleaStiff
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January 18th, 2011 at 8:06:36 AM permalink
Quote: gambit21

A friend of mine likes to play a Gameking version of video blackjack at the bar.
Does anyone know how to figure out the house edge on this bad game?


Is it a bad game because all such video blackjack games on bar-tops are worse than table black jack or is this particular video game worse than the various other video blackjack games commonly found in bars?
gambit21
gambit21
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January 18th, 2011 at 8:10:50 AM permalink
Wongs basic blackjack list no splitting as -.4. so if your numbers are correct. We are talking about -3.5%.
miplet
miplet
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January 18th, 2011 at 8:19:54 AM permalink
Proper doubling down is worth about 1.5% according to Blackjack Bluebook II by Fred Renzy.
“Man Babes” #AxelFabulous
gambit21
gambit21
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January 18th, 2011 at 8:29:34 AM permalink
thanks miplet
rdw4potus
rdw4potus
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January 18th, 2011 at 8:46:39 AM permalink
So, .4+1.5+2.27+about .6? That's getting pretty close to that 5% ballpark. If your friend doesn't think that 1:1 BJ pays, no splits, and no doubles affect the EV, you should probably take the opposite side of any action that he's willing to give:-)
"So as the clock ticked and the day passed, opportunity met preparation, and luck happened." - Maurice Clarett
miplet
miplet
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January 18th, 2011 at 9:28:09 AM permalink
4.6756352057706% infinite deck using Wizards infinite deck spreadsheet I just changed bj pays=1 and the ev's of doubling and splitting to -2 so the basic strategy for that game won't split or double.
“Man Babes” #AxelFabulous
ahiromu
ahiromu
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January 18th, 2011 at 1:19:15 PM permalink
To answer your question: every single e-BJ machine I've seen has been worse than a corresponding table game. They prey on idiots like your friend :).
Its - Possessive; It's - "It is" / "It has"; There - Location; Their - Possessive; They're - "They are"
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