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GIB inexplicably takes false preference


wbartley

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Just play bridge robot. Human South.

 

[hv=pc=n&s=skqt95hkj62dack73&w=sj43h43dk653cqt96&n=s76ht9875dq987ca8&e=sa82haqdjt42cj542&d=n&v=n&b=5&a=p1d1s2dpp2hp2sppp]399|300[/hv]

 

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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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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