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GIB lebensohl bug

#1 User is offline   Antrax 

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Posted 2014-May-15, 09:23


Holding this hand, GIB opened 1NT and E intervened 2, spades and a minor. I bid 3, which is the fast stayman, GF with four hearts and no spade stopper. GIB chose to bid 3NT, showing the stopper, rather than bid game in our 5-4 fit. I'm guessing this is a bug in the priorities, since clubs could be wide open so there's no reason to expect 3NT to be better.
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#2 User is offline   steve2005 

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Posted 2014-May-15, 14:57

View PostAntrax, on 2014-May-15, 09:23, said:


Holding this hand, GIB opened 1NT and E intervened 2, spades and a minor. I bid 3, which is the fast stayman, GF with four hearts and no spade stopper. GIB chose to bid 3NT, showing the stopper, rather than bid game in our 5-4 fit. I'm guessing this is a bug in the priorities, since clubs could be wide open so there's no reason to expect 3NT to be better.

I wonder if it's a bug? Would GIB bid 4 with 4 but not 5?

unfortunately you didn't display the actual hand so you cant see the bid explanations for GIB.




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#3 User is offline   Bbradley62 

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Posted 2014-May-15, 17:51

View Poststeve2005, on 2014-May-15, 14:57, said:

I wonder if it's a bug? Would GIB bid 4 with 4 but not 5?
I would call that a bug, just maybe not exactly the bug that OP specified.
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#4 User is offline   Antrax 

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Posted 2014-May-15, 21:07

I played this in "anonymous play" on the iPad, so you'll have to believe me regarding bid descriptions.
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#5 User is offline   georgi 

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Posted 2014-May-16, 04:31

Thanks for reporting.

It's bug due 5th major. Initially GIB used to open only with 4 cards and now since it was allowed to open with 5th balanced major it bid 3NT instead.

Fixed in next version.

4M is having priority , then comes 3NT.

#6 User is offline   Bbradley62 

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Posted 2014-May-16, 07:28

Good call, Steve!
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