[Antrax]

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Now South has no good bid. 4♠ shows 3 for some reason, 5♣ shows four of them (!) and bidding a red suit had one of those 6+ suit, rebiddable suit, 4 card suit explanations and made GIB support it with its singleton.

a) Why can't GIB just bid 2/1 with its GF 6-5 hand?
b) Why does 4♣ show such modest lengths in the description? Presumably GIB wouldn't really remove 3NT to show a four-card suit. Which brings us to:
c) Why on earth would 5♣ require four of them? What is opener's rebid here that says "leave me alone, we're in a misfit auction"? 4NT was blackwood, of course.

[Bbradley62]

Are you sure alternatives to 3N "didn't matter"? It would be nice to see the actual descriptions provided by GIB. Does 3N show at least a partial club stopper? Hopefully it denies 3 spades. It might even deny 5 diamonds or 6 hearts. I wonder whether 4N would have been 4-ace Blackwood over 3N; that would be nice, since you very likely want to be in a club slam. Certainly, 5♣ requiring 4-card support is directly tied to GIB's thinking that 4♣ only shows a 4-card suit.

[steve2005]

south bids 3♠ not 3N at last turn with 3♠, so 4♠ now should be like Qx


what's south's hand?

[cloa513]

GIB does an awful job with reverses always underbidding- I bid 3NT showing 18-20HCP and it holding 13 HCP passes.

At least with this hand it gave you more information though the TP is not useful should be just HCP- now bid 6NT or ask for aces along the way.

[Antrax]

steve2005, on 2014-April-11, 20:00, said:

4♠ now should be like Qx

That's one of my points, yes.

steve2005, on 2014-April-11, 20:00, said:

what's south's hand?

I didn't include it because it wasn't relevant to the thread. If memory serves it was 2=5=4=2 with good hearts, lousy diamonds and ♣Kx, something like ♠xx ♥AKQxx ♦xxxx ♣Kx.

[Lord Molyb]

Antrax, on 2014-April-11, 21:50, said:

That's one of my points, yes.
I didn't include it because it wasn't relevant to the thread. If memory serves it was 2=5=4=2 with good hearts, lousy diamonds and ♣Kx, something like ♠xx ♥AKQxx ♦xxxx ♣Kx.

But not exactly like that since north has ♣K

[AK1Aleen]

I think your (everyone's!) knowledge is way above mine... but here I go anyway: WHY OH WHY does GIB bid 4NT, in a perfect progression to Blackwood, I bid 5 spades (2 aces) and GIB PASSES. We should have been at 6 or 7 NT. I love the title of this thread. Torture, indeed!