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5+Ds 4+Hs 18+HCP...and 18-TP?

#1 User is offline   hevnandhel 

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Posted 2015-October-01, 08:07

{comments}


6♥ is explained as 5+♦s 4+♥s 18+HCP 18-TP.

How can you have 18+HCP, 5+4+ shape, and yet no more than 18TP?
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#2 User is offline   1eyedjack 

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Posted 2015-October-01, 09:15

View Posthevnandhel, on 2015-October-01, 08:07, said:

http://www.bridgebas...4545-1434390058

6♥ is explained as 5+♦s 4+♥s 18+HCP 18-TP.

How can you have 18+HCP, 5+4+ shape, and yet no more than 18TP?
Some of your HCP may be tied up in doubletons. In that case the shortage points get discounted.

Presumably the 18- Total points is the upper limit of a 2D overcall, and the 18+ HCP is the requirement to punt 6H opposite the values shown by North.

Whether it would still do this type of explanation where there is clearly no possibility of overlap, that is an interesting one.
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#3 User is offline   iandayre 

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Posted 2015-October-02, 11:37

I think Jack is right. Wildly distributional hands are hard for human players to evaluate, much more so for GIB. Veterans here will recall a hand GIB held with 7-6 in the minors, both headed by the AKJ I believe. And GIB allowed the opponents to play in 4 of a major!
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#4 User is offline   Bbradley62 

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Posted 2015-October-03, 15:10

Jack is correct that the upper limit for 2♦ is 18 total points. Michaels does not appear to have an upper limit.
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#5 User is offline   lycier 

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Posted 2015-October-03, 18:35


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#6 User is offline   Bbradley62 

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Posted 2015-October-03, 18:45

I'd like to suggest that West should bid 4♠, not 3♠. I wonder what that would show in GIBberish.
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#7 User is offline   lycier 

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Posted 2015-October-04, 06:43

View PostBbradley62, on 2015-October-03, 18:45, said:

I'd like to suggest that West should bid 4♠, not 3♠. I wonder what that would show in GIBberish.

After 2♦,if West bid
3♠ = Free jump raise -- 4+♠,8-hcp,7+total points.
4♠ = Preemptive raise -- 4+♠,9-hcp,6+total points.
How many differences are there between 3♠ and 4♠ ?
I think even advanced robots are difficult to deal with properly the selection between 3♠ and 4♠.
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