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What happened to the killing return?

#1 User is offline   SimonFa 

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Posted 2012-February-22, 05:53

I'm not complaining because for once I was a beneficiary of GIB's seemingly random play, but I was surprised to find only one GIB found the killing return in this tourney:

Regards,

Simon
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#2 User is offline   Bbradley62 

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Posted 2012-February-22, 07:02

I appears that West believed North when he said that he had help in diamonds.
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#3 User is offline   SimonFa 

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Posted 2012-February-22, 11:58

View PostBbradley62, on 2012-February-22, 07:02, said:

I appears that West believed North when he said that he had help in diamonds.


But even on hands without the diamond help suit bid GIB missed the play.
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#4 User is offline   jamegumb 

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Posted 2012-February-22, 12:11

Maybe GIB read declarer for:

Kxxxx
K
Jx
KQJxx ?


(or

Kxxxxx
K
x
KQJxx)?

The one time it got it right was when Blackwood was used. So maybe it believed (in cases without Blackwood) that two aces might be out.
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#5 User is offline   Bbradley62 

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Posted 2012-February-22, 17:22

View Postjamegumb, on 2012-February-22, 12:11, said:

Maybe GIB read declarer for:

Kxxxx
K
Jx
KQJxx ?

That would make the ♦Q lead pretty strange.
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#6 User is offline   jamegumb 

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Posted 2012-February-22, 21:17

View PostBbradley62, on 2012-February-22, 17:22, said:

That would make the ♦Q lead pretty strange.


Which leads itself to the question of what inferences GIB makes off the opening lead. (As well as what inferences it makes from the bidding - does GIB just assume that North would never drive to slam with a useless doubleton)?
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