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...toil and trouble

#1 User is offline   uva72uva72 

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Posted 2014-July-29, 16:22

My link

Match points, ACBL robot individual

I'm puzzled as why a double of 3 by South in this auction is defined as "take-out." We've reached our limit at 2NT, don't have a major suit fit, and East has now generously put his neck on the block, red vs. white no less. But when I checked the system notes, I found I could only double for take-out. How could I have been content to play 2NT but now force partner to bid at the 4 level? I'm also perplexed by North's decision to bid 3NT over 3 holding the same hand that resulted in a pass of 2NT the previous round.
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#2 User is offline   Bbradley62 

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Posted 2014-July-29, 17:37

North and East deserve each other.
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#3 User is offline   steve2005 

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Posted 2014-July-29, 19:15

GIB thinks 19-21 hcp opposite 3 hcp gives 50.00001% chance for 3N
Sarcasm is a state of mind
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#4 User is offline   1eyedjack 

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Posted 2014-July-29, 19:26

View Poststeve2005, on 2014-July-29, 19:15, said:

GIB thinks 19-21 hcp opposite 3 hcp gives 50.00001% chance for 3N


Then why did it pass 2N? Has the subsequent auction increased the odds of success?
Psych (pron. saik): A gross and deliberate misstatement of honour strength and/or suit length. Expressly permitted under Law 73E but forbidden contrary to that law by Acol club tourneys.

Psyche (pron. sahy-kee): The human soul, spirit or mind (derived, personification thereof, beloved of Eros, Greek myth).
Masterminding (pron. mPosted ImagesPosted ImagetPosted Imager-mPosted ImagendPosted Imageing) tr. v. - Any bid made by bridge player with which partner disagrees.

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#5 User is offline   Bbradley62 

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Posted 2014-July-29, 20:47

That's not the logical sequence GIB should be working. First, he decides that playing 2N is better than playing 3N, so it passes. One round later, he decides that playing 3N is less bad than defending 3, so he bids again. That's not necessarily internally inconsistent.
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