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GIB goes off the rails Low-level uncompetitive auction

#1 User is offline   smerriman 

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Posted 2017-January-01, 00:15



Having shown 4 spades, GIB proceeds to cuebid 3♣, showing the club Ace and 18+ total points, then passes a cue bid in hearts.

Second time in a row something like this happens in the last round of a survivor tournament :(
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Reverse engineering GIB, part 1: A treatise on the insanity of bidding simulations
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#2 User is offline   lycier 

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Posted 2017-January-01, 07:43


Result: 4♠S-3


Result: 3NTS-2
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#3 User is offline   smerriman 

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Posted 2017-January-01, 13:15

Lycier, neither of those have anything at all to do with what I posted. Please stop cluttering threads if you have nothing useful to add.
A better handviewer
Reverse engineering GIB, part 1: A treatise on the insanity of bidding simulations
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#4 User is offline   Bbradley62 

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Posted 2017-January-02, 23:13

Is it possible that following the 3♥ bid North ran some simulations and determined that, based on what he knew about South's hand, it was best to stop bidding and play in the known Moysian fit at the 3 level? Of course, this wouldn't explain the 3♣ bid.
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#5 User is offline   jdonn 

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Posted 2017-January-05, 11:11

Obviously lots of problems. I am focused on the first one, bidding 2!S instead of 3!C. My usual hope is fixing an early problem might prevent the later ones from ever occurring.
Please let me know about any questions or interest or bug reports about GIB.
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#6 User is offline   iandayre 

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Posted 2017-January-07, 16:22

View Postjdonn, on 2017-January-05, 11:11, said:

Obviously lots of problems. I am focused on the first one, bidding 2!S instead of 3!C. My usual hope is fixing an early problem might prevent the later ones from ever occurring.


Not unreasonable, but 2S isn't that far off. Bigger problem is South not then bidding 2NT. There are so many situations where GIB does not appropriately focus on reaching 3NT in minor suit auctions.
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