[lycier]

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3♠ said 3-h,5+S,11hcp+,12-16 total points.
it was very ridiculous explanations and descriptions,so I ask a question that we lost slam,whose helpless?

[johnu]

When I clicked on 3♠, I see "Support, possibly a strong hand -- 3+S;". The explanation you posted is what I see for the 4♠ bid. Both explanations seem reasonable for GIB.

North has an almost perfect minimum, both outstanding spade honors, and controls in the unbid suits, but from North's standpoint, the lack of a diamond honor is a big minus and this still falls in the minimum opening bid for GIB.

I would give serious consideration to an immediate Soloway jump shift of 3♦ and then supporting spades. As to who is helpless, I would give South more of the blame.

[iandayre]

I don't understand why GIB does not rebid 2NT rather than 2S with hands like this. What is 2NT supposed to show if not this hand??

[johnu]

iandayre, on 2014-January-02, 11:29, said:

I don't understand why GIB does not rebid 2NT rather than 2S with hands like this. What is 2NT supposed to show if not this hand??

IIRC, 15-17, but my memory is foggy on the range.

[cloa513]

johnu, on 2014-January-02, 10:01, said:

When I clicked on 3♠, I see "Support, possibly a strong hand -- 3+S;". The explanation you posted is what I see for the 4♠ bid. Both explanations seem reasonable for GIB.

North has an almost perfect minimum, both outstanding spade honors, and controls in the unbid suits, but from North's standpoint, the lack of a diamond honor is a big minus and this still falls in the minimum opening bid for GIB.

I would give serious consideration to an immediate Soloway jump shift of 3♦ and then supporting spades. As to who is helpless, I would give South more of the blame.

Its a useless description. North has great slam potential more than South has reason to expect. Soloway is stupid- GIB doesn't know what to do with Soloway bids so its waste of bidding space.

[johnu]

cloa513, on 2014-January-02, 20:06, said:

Its a useless description. North has great slam potential more than South has reason to expect. Soloway is stupid- GIB doesn't know what to do with Soloway bids so its waste of bidding space.

If a Soloway jump shift is "stupid", then so is a 2/1 response since GIB doesn't know what to do with that response either. You've got a lot better chance of getting GIB to cooperate with an immediate jump shift with the expected minimum opening hand.

[lycier]

cloa513, on 2014-January-02, 20:06, said:

Its a useless description. North has great slam potential more than South has reason to expect. Soloway is stupid- GIB doesn't know what to do with Soloway bids so its waste of bidding space.

I agree,it is used rarely nowadays in the world.

[johnu]

lycier, on 2014-January-03, 05:30, said:

I agree,it is used rarely nowadays in the world.

There are a lot of things that GIB plays that aren't played much. You have a limited number of bidding sequences so if you choose to not use part of the GIB system, you are intentionally limiting your options.

[iandayre]

I may be true that Soloway SJS are not played that widely, but they should be. They are excellent for describing strong responding hands. I haven't used them enough with the bots to judge their usefulness here, but they are great with a solid human partner.

[1eyedjack]

Contrary it seems to the flow of modern trends I quite like strong jump shifts (when not abused), but I think that their merits are diminished where the suit is lower ranking than opener’s so that a simple change of suit would already be GF. Was not one of the main reasons for development of 2/1 GF in order to ditch the GF jump shift?

[iandayre]

That is exactly correct Jack, I don't play SJS into lower suits at the 3 level.