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Many of my auctions start with me opening 1 of a major.
These two auctions happen a lot.
1♥ - 3♥
4♦
1♠ - 3♠
4♦
3 of a major is a limit raise and 4♦ is a cuebid, showing a diamond control and, theoretically, denying a club control. GIB will bid 4NT with both of the following hands:
♠ AQxx ♥ Qxxxx ♦ x ♣ QJx
♠ AQxx ♥ Qxxxx ♦ QJx ♣ x
This has gotten me to a lot of slams with my ♣s being something like xx opposite QJx, and they always lead a club on this auction no matter their cards.
However, only the second hand is suitable for blackwood in this scenario, since I denied a club control. We don't want to be in a slam off two top losers, do we? The problem is, GIB will push for slam in hearts with both hands opposite something like
♠ Kx ♥ AKJxx ♦ AKx ♣ xx
once I bid 4 diamonds.
My question is: should and does the system have 4♦ denying a club control?
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Slam bidding?
#1
- Slightly less bad player
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Posted 2013-April-30, 18:40
Become yourself.
#2
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Posted 2013-May-01, 02:18
In the gib system, it only denies a first round control in clubs. Second round control is possible. Should it be like that, imo no, but some pairs do play that.
Wayne Somerville
#3
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Posted 2013-May-01, 03:01
Note that for GIB a cue bid shows extra strength beyond the control. So it's possible it simulates you've very likely to have filler in clubs and trots out BW.
#4
- Csaba the Hutt
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Posted 2013-May-01, 03:26
I thought GIB's 4m here was length/strength showing (help suit slam try) as opposed to just a cue. In that case it shouldn't deny a cue in lower suits per se (I'm not even sure if it should show a control, wouldn't it be nice to be able to bid it sometimes on QJxx? I guess that hand is just about impossible though if you have a slam try opposite 10-11). Has this changed?
... and I can prove it with my usual, flawless logic.
George Carlin
George Carlin
#5
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Posted 2013-May-01, 03:45
Yeah, it changed in version 24: http://www.bridgebas...post__p__674933
#6
- Csaba the Hutt
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Posted 2013-May-01, 05:28
thanks for that. Too bad, I think HSST is a better method (although they shouldn't cater to my preferences since obviously I don't use robots).
... and I can prove it with my usual, flawless logic.
George Carlin
George Carlin
#7
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Posted 2013-May-01, 13:34
manudude03, on 2013-May-01, 02:18, said:
In the gib system, it only denies a first round control in clubs. Second round control is possible. Should it be like that, imo no, but some pairs do play that.
shouldn't GIB bid 4♠ with both after 1♥ 3♥ 4♦ ?
Become yourself.
#8
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Posted 2013-May-02, 10:30
It felt it had enough information I guess. I really don't like how often it takes control.
Wayne Somerville
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