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GIB inexplicably takes false preference

#1 User is offline   wbartley 

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Posted 2018-January-25, 16:19

Just play bridge robot. Human South.


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#2 User is offline   virgosrock 

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Posted 2018-January-25, 18:37

View Postwbartley, on 2018-January-25, 16:19, said:

Just play bridge robot. Human South.




what was the description of 2H? just curious

vrock
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#3 User is offline   steve2005 

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Posted 2018-January-25, 22:59

View Postvirgosrock, on 2018-January-25, 18:37, said:

what was the description of 2H? just curious

vrock

Unless it was a self-splinter (lol) it's just another bizarre preference by Gib
Sarcasm is a state of mind
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#4 User is offline   wbartley 

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Posted 2018-January-26, 18:34

The description of 2 was 5+; 4+, of course.
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#5 User is offline   zhasbeen 

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Posted 2018-January-26, 19:15

View Postwbartley, on 2018-January-25, 16:19, said:

Just play bridge robot. Human South.




One of GIB's most serious problems, IMO, and it seldom gets the attention it deserves. GIB seems to have a magnet that pulls it to the 2-card preference, especially if the opening bid is a major. Although your example is extreme, I wouldn't call it rare.
I don't even bother to look for a 4-4 major fit any more when a known 5-3 exists.
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#6 User is offline   johnu 

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Posted 2018-January-26, 22:57

Another unlucky guess by GIB. 50% chance of spade preference, 50% chance of heart preference. There's also probably a non-zero chance of a cue bid or new suit.

On another day, you would have gotten to hearts.
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#7 User is offline   zhasbeen 

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Posted 2018-January-27, 09:30

View Postjohnu, on 2018-January-26, 22:57, said:

Another unlucky guess by GIB. 50% chance of spade preference, 50% chance of heart preference. There's also probably a non-zero chance of a cue bid or new suit.

On another day, you would have gotten to hearts.


Why would it be a guess? Is it because GIB is not sure whether the 2H rebid is a cue bid or real suit?
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#8 User is offline   gwnn 

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Posted 2018-January-27, 10:01

View Postzhasbeen, on 2018-January-27, 09:30, said:

Why would it be a guess? Is it because GIB is not sure whether the 2H rebid is a cue bid or real suit?

He is just joking :) We are all a bit traumatised by GIB, we sometimes use humour to cope.
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#9 User is online   pescetom 

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Posted 2018-January-27, 11:27

I'm not sure he was joking. GIB does now seem to randomise between some possible responses, at least when it bids in the solitaire Free Weekly Tournament - you can see this by comparing the bidding in multiple plays of the same hand.
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