# Texas Hold 'em quiz time

**URL:** <https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [April 26, 2005, 9:49pm UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254 "2005-04-26T21:49:17Z")\
**Posts on this page:** 12\
**Page:** 2

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**Author:** ![Giraffe](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/giraffe/32/129_2.png) [@Giraffe](https://boards.straightdope.com/u/Giraffe)\
**Post date:** [April 26, 2005, 11:23pm UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/21 "2005-04-26T23:23:47Z")

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> [@manhattan](#):
>
> 56s shows another tenth of a percent. Not sure why, though – I’d figure that killing off one of the AA guy’s straight possibilities would be overwhelmed by killing off two of your own.

I think it’s because you now win with a higher straight when the board is 2345, whereas before you would have lost. Otherwise you have all the same odds to a straight as with 78.

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**Author:** ![VarlosZ](https://avatars.discourse-cdn.com/v4/letter/v/d78d45/32.png) [@VarlosZ](https://boards.straightdope.com/u/VarlosZ)\
**Post date:** [April 26, 2005, 11:26pm UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/22 "2005-04-26T23:26:53Z")

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I get 56s going off at 3.35 **64** - 1, while 78s is 3.35 **94** - 1.

That makes sense as to why, Giraffe.

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**Author:** ![manhattan](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/manhattan/32/7_2.png) [@manhattan](https://boards.straightdope.com/u/manhattan)\
**Post date:** [April 26, 2005, 11:26pm UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/23 "2005-04-26T23:26:57Z")

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Good call. 56 basically kills all his low straights, not just one.

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**Author:** ![Bryan\_Ekers](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/bryan_ekers/32/183_2.png) [@Bryan\_Ekers](https://boards.straightdope.com/u/Bryan_Ekers)\
**Post date:** [April 26, 2005, 11:32pm UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/24 "2005-04-26T23:32:36Z")

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> [@VarlosZ](#):
>
> A2 only needs three cards to make a straight

Ah. I thought it was relatively rare to allow ace-low straights. No matter.

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**Author:** ![x-ray\_vision](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/x-ray_vision/32/351_2.png) [@x-ray\_vision](https://boards.straightdope.com/u/x-ray_vision)\
**Post date:** [April 26, 2005, 11:34pm UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/25 "2005-04-26T23:34:37Z")

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With 5,6 there are 3 staright on the board that wil tie A,A:  
6,7,8,9,10  
7,8,9,10,J  
8,9,10,J,Q  
and with 7,8, there are only 2:  
A,2,3,4,5,  
8,9,10,J,Q

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**Author:** ![VarlosZ](https://avatars.discourse-cdn.com/v4/letter/v/d78d45/32.png) [@VarlosZ](https://boards.straightdope.com/u/VarlosZ)\
**Post date:** [April 26, 2005, 11:41pm UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/26 "2005-04-26T23:41:53Z")

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> [@](#):
>
> Good call. 56 basically kills all his low straights, not just one.

Then again, why wouldn’t 67s (3.3585 - 1) be better if that’s the reason? It also kills AA’s low straights, but the low straights (which are wins for the suited connectors) are more likely to come up with 67 than 56.

I guess it is the likelihood of a tie that does it. 56s will tie .37% of the time, 67s will tie only .32%.

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**Author:** ![x-ray\_vision](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/x-ray_vision/32/351_2.png) [@x-ray\_vision](https://boards.straightdope.com/u/x-ray_vision)\
**Post date:** [April 26, 2005, 11:45pm UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/27 "2005-04-26T23:45:07Z")

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> [@](#):
>
> Originally posted by **VarlosZ**  
> I guess it is the likelihood of a tie that does it. 56s will tie .37% of the time, 67s will tie only .32%.

Yup. 5,6 has the exact same odds of winning as 6,7 does, but 5,6 ties a little more of the time.

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**Author:** ![Opus1](https://avatars.discourse-cdn.com/v4/letter/o/858c86/32.png) [@Opus1](https://boards.straightdope.com/u/Opus1)\
**Post date:** [April 27, 2005, 1:50am UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/28 "2005-04-27T01:50:52Z")

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Okay–new question here. What two hands, heads up against each other, are as close to a coin flip as possible (not counting hands that are identical except for the suits)?

I really don’t know the answer. So far I’ve found a pair of hands that produces 49.67 /49.78 odds, (with the residue being ties), and another that produces 49.77/ 49.60. These are both damn close to coin flips. Anything closer?

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**Author:** ![x-ray\_vision](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/x-ray_vision/32/351_2.png) [@x-ray\_vision](https://boards.straightdope.com/u/x-ray_vision)\
**Post date:** [April 27, 2005, 2:11am UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/29 "2005-04-27T02:11:17Z")

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That’s a good one **Opus1**. Don’t tell us what you’ve found yet.

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**Author:** ![manhattan](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/manhattan/32/7_2.png) [@manhattan](https://boards.straightdope.com/u/manhattan)\
**Post date:** [April 27, 2005, 2:45am UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/30 "2005-04-27T02:45:41Z")

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Using the twodimes site, I found a matchup which is 49.64 to 49.70.

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**Author:** ![Opus1](https://avatars.discourse-cdn.com/v4/letter/o/858c86/32.png) [@Opus1](https://boards.straightdope.com/u/Opus1)\
**Post date:** [April 27, 2005, 5:15am UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/31 "2005-04-27T05:15:43Z")

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> [@manhattan](#):
>
> Using the twodimes site, I found a matchup which is 49.64 to 49.70.

Just found a 49.58/ 49.54.

4s 4c vs. jd th

Anything closer?

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<div class="post-metadata">

**Author:** ![x-ray\_vision](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/x-ray_vision/32/351_2.png) [@x-ray\_vision](https://boards.straightdope.com/u/x-ray_vision)\
**Post date:** [April 27, 2005, 2:53pm UTC](https://boards.straightdope.com/t/texas-hold-em-quiz-time/301254/32 "2005-04-27T14:53:23Z")

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Nice job **Opus1**. I can’t see it getting any closer than that.

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