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Are we skipping six card majors now?

#1 User is offline   daveharty 

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Posted 2013-May-17, 20:21

http://tinyurl.com/alof9gw
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#2 User is offline   Lord Molyb 

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Posted 2013-May-17, 20:41

Limit raise!!!

yes it is presumably unintended
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#3 User is offline   Antrax 

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Posted 2013-May-17, 23:46

Well, GIB plays forcing NT even by a passed hand, so presumably it planned to bid 3♥ over your rebid, showing its 3 card limit raise. No?
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#4 User is offline   Stephen Tu 

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Posted 2013-May-18, 12:13

This bug has been around for years. GIB for whatever reason skips spades to bid a forcing NT with 3 cd limit raise, but *doesn't* skip spades to raise 1H to 2H holding 3 cd heart support and less than limit raise values. This is opposite of what most books recommend.
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#5 User is offline   Antrax 

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Posted 2013-May-18, 21:03

Are you sure it's not a feature though? Because it's consistent and also matches those bids' descriptions (for instance, the forcing 1NT says nothing about spade length - theoretically GIB could have a 10=3=0=0 hand)
I mean, it's legitimate to want to change the system, but I don't think you can call it a bug.
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#6 User is offline   FM75 

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Posted 2013-May-18, 21:44

GIB has this same hand posted on RobotVHumans.com forum, questioning human's pass of forcing 1NT.

Unfortunately, the Robot forum requires entering 65535 character password, no more than 32767 of which can be alphanumeric characters. Good luck finding his post.
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#7 User is offline   Lord Molyb 

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Posted 2013-May-19, 10:38

View PostFM75, on 2013-May-18, 21:44, said:

GIB has this same hand posted on RobotVHumans.com forum, questioning human's pass of forcing 1NT.

Unfortunately, the Robot forum requires entering 65535 character password, no more than 32767 of which can be alphanumeric characters. Good luck finding his post.

I got this guys, the password is

(DON'T OPEN IF YOU DON'T LIKE LONG PASSWORDS)
Spoiler


What is the title of the thread?
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#8 User is offline   georgi 

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Posted 2013-May-19, 16:18

Would be avoided in next v27. Having 5+ spades and fit in hearts with invitational hand would go through 1♠ then 3♥.

#9 User is offline   Lord Molyb 

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Posted 2013-May-19, 16:59

what if it has 4 ♠s?
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#10 User is offline   Stephen Tu 

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Posted 2013-May-20, 11:42

View Postgeorgi, on 2013-May-19, 16:18, said:

Would be avoided in next v27. Having 5+ spades and fit in hearts with invitational hand would go through 1♠ then 3♥.


Did you also fix the non-invitational 6-9 pt hand bidding 2♥ instead of 1♠ holding say 4-5 spade and 3 cd heart? This is what is recommended by nearly all SA & 2/1 experts, but GIB likes to bid 1♠ for whatever reason.

Also, there is some variance in opinion over what 1h-1s-1nt-2h shows. My book references interpret this as 3 cd hearts, inv, (so 1h-1s-1nt-3h is forcing), on the theory that 6-9 with 3 cd support raises directly not bidding spades, and that one doesn't pull 1nt to 2H on a doubleton. But from a thread last year this seems to vary. Currently GIB plays 1h-1s-1nt-2h as 3 cd 6-9 since it is not raising directly on those.

What I think should be std:
http://www.bridgebas...post__p__628971
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