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Annoying Pre-Empt #80000

#21 User is offline   whereagles 

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Posted 2009-May-06, 15:36

655321, on May 6 2009, 02:31 PM, said:

Whereagles, my point was that your chain of reasoning, without numbers, proves nothing.

Sorry, I'm not still at the point where I can crunch the numbers real-time at the table. But I'm working on it :rolleyes:

Agree that the conclusion of short (0-2) diamonds may be a bit too strong, but I would insist the odds are good pard has club or heart length. Since he didn't overcall, he's prolly broke.

Keep in mind you have 16 hcp and LHO is unlimited. Assuming LHO to be 11+, RHO 3+ and distributing the rest of hcps evenly, we come to something like

LHO pard RHO we
14 .... 4 .... 6 ... 16
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#22 User is offline   gwnn 

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Posted 2009-May-06, 16:22

Whereagles, it is not a good idea to just "distribute the rest of hcp evenly" for the same reason you shouldn't say that when LHO opens 1, his average heart length is 7
... and I can prove it with my usual, flawless logic.
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#23 User is offline   655321 

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Posted 2009-May-06, 16:46

Trumpace, on May 6 2009, 04:23 PM, said:

How many 2524 hands will partner have, where he won't overcall 1H (or something else other than pass) over 1D and we have a 3NT?

Probably none at all for me.
But do you see the difference between "Partner's shape is 2524" and "2524 is his single most likely shape, amongst the many possible shapes he can hold"?
That's impossible. No one can give more than one hundred percent. By definition that is the most anyone can give.
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#24 User is offline   Trumpace 

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Posted 2009-May-06, 17:00

655321, on May 6 2009, 05:46 PM, said:

Trumpace, on May 6 2009, 04:23 PM, said:

How many 2524 hands will partner have, where he won't overcall 1H (or something else other than pass) over 1D and we have a 3NT?

Probably none at all for me.
But do you see the difference between "Partner's shape is 2524" and "2524 is his single most likely shape, amongst the many possible shapes he can hold"?


Yes.. so?

I am not saying that 2NT is incorrect, just that I haven't seen any compelling reason for it (apart from maybe the below)...

(Sorry for the basic question:) does 2NT show a balanced 15-18 count?
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#25 User is offline   cherdanno 

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Posted 2009-May-06, 17:32

Trumpace, on May 6 2009, 06:00 PM, said:

(Sorry for the basic question:) does 2NT show a balanced 15-18 count?

Yes. More like 16-18 I guess.
"Are you saying that LTC merits a more respectful dismissal?"
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#26 User is offline   Trumpace 

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Posted 2009-May-06, 17:39

cherdanno, on May 6 2009, 06:32 PM, said:

Trumpace, on May 6 2009, 06:00 PM, said:

(Sorry for the basic question:) does 2NT show a balanced 15-18 count?

Yes. More like 16-18 I guess.

Ok. Thanks.
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#27 User is offline   whereagles 

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Posted 2009-May-07, 01:02

gwnn, on May 6 2009, 10:22 PM, said:

Whereagles, it is not a good idea to just "distribute the rest of hcp evenly" for the same reason you shouldn't say that when LHO opens 1, his average heart length is 7

If you got 7 as average heart length, you probably did something wrong :) It's more like 6, and that's not even discounting the hands that have 7+ hearts and appeal for a different opening (e.g. 4, 2, namyats, etc).

Anyway, as to the hcp, got any better ideas on how to evaluate the averages? :D
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#28 User is offline   gwnn 

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Posted 2010-May-01, 16:19

whereagles, on May 7 2009, 07:02 AM, said:

gwnn, on May 6 2009, 10:22 PM, said:

Whereagles, it is not a good idea to just "distribute the rest of hcp evenly" for the same reason you shouldn't say that when LHO opens 1, his average heart length is 7

If you got 7 as average heart length, you probably did something wrong :) It's more like 6, and that's not even discounting the hands that have 7+ hearts and appeal for a different opening (e.g. 4, 2, namyats, etc).

Anyway, as to the hcp, got any better ideas on how to evaluate the averages? :o

Yes I agree, I did something wrong, I applied your method for hcp to count hearts.

LHO has 5+
We have (say) 2
There are 6 more hearts in the deck which we distribute evenly

Therefore LHO has, on average, 7 hearts.

Just because I don't have a better method to make an estimate than a quick and wrong one, it doesn't mean I should use the quick and wrong one.
... and I can prove it with my usual, flawless logic.
      George Carlin
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#29 User is offline   Jlall 

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Posted 2010-May-01, 16:35

I'd still bid 2N. We make 3N very often opposite random hands because we can shut RHO out and own lefty.
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#30 User is offline   whereagles 

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Posted 2010-May-01, 16:38

are we into necromancy now, reviving old threads? LOL
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#31 User is offline   gwnn 

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Posted 2010-May-01, 16:42

Can you defend your reasoning or is it proven right because of some statue of limitations on BBF that I am unaware of (2 weeks?) ?
... and I can prove it with my usual, flawless logic.
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#32 User is offline   Phil 

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Posted 2010-May-01, 17:49

Jlall, on May 1 2010, 05:35 PM, said:

I'd still bid 2N. We make 3N very often opposite random hands because we can shut RHO out and own lefty.

Yes - I saw this and thought 2N - wtp? and then I read my old answer lol.
Hi y'all!

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#33 User is offline   the hog 

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Posted 2010-May-01, 18:24

I saw this and realised it is even a more clear cut pass than I originally thought. From where are your tricks coming?
"The King of Hearts a broadsword bears, the Queen of Hearts a rose." W. H. Auden.
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#34 User is offline   jjbrr 

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Posted 2010-May-02, 00:30

I'd pass.

Looks like I should be bidding though!
OK
bed
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#35 User is offline   MickyB 

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Posted 2010-May-02, 02:56

Hang on - how many points are the yanks expecting for 2? On this side of the pond, "weak" means 4-7 or 5-8 in this position, over which I wouldn't have considered 2NT. If it is 0-5 then sure, I'd probably bid 2NT. Or do you think 2NT is right over any of these ranges?
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#36 User is offline   Jlall 

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Posted 2010-May-02, 03:13

MickyB, on May 2 2010, 03:56 AM, said:

Hang on - how many points are the yanks expecting for 2? On this side of the pond, "weak" means 4-7 or 5-8 in this position, over which I wouldn't have considered 2NT. If it is 0-5 then sure, I'd probably bid 2NT. Or do you think 2NT is right over any of these ranges?

Weak here usually means "less than a 1S bid" which is pretty lol to me but that's how most people who play weak play them ime. Maybe the good pairs don't but I don't know many good pairs who play weak.

To mean something like 5-8 is more like constructive. I would pass over 5-8 for sure.
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#37 User is offline   jdonn 

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Posted 2010-May-02, 10:04

I can't believe my answer remains unchanged. That I would have passed without thinking about it, that seeing the 2NT reasoning gives me good pause, and that I would still end up passing but seeing how 2NT could easily be right.

I'm not sure I have come up against a single weak jump shift since the last time I answered. Do I not have normal opponents?
Please let me know about any questions or interest or bug reports about GIB.
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#38 User is offline   hanp 

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Posted 2010-May-02, 12:56

I'd pass without thinking too much about it.
and the result can be plotted on a graph.
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#39 User is offline   aguahombre 

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Posted 2010-May-02, 13:06

How does Justin decide what name to use?
"Bidding Spades to show spades can work well." (Kenberg)
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