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Unbiddable? a hand from Shangai

#1 User is offline   nikos59 

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Posted 2007-October-13, 15:39


Scoring: IMP


West North East South

1 Pass 1NT 2
3 3 Pass 4
Pass Pass Pass


The auction comes from Japan v Germany for the Venice Cup (Round 11). At the other table, East raised to 2H and Auken-vonArnim went all the way to 5S, but stopped there. So the board was flat at 480.

Actually, this was the _flattest_ board in the whole round robin: out of 66 tables, the score was 480 in 63 of them! Only two pairs bid the slam: the SouthAfrican women and the open pair of Trinidad (the other non-flat score was a 450).

Still, the slam is laydown. Is it as unbiddable as it seems?
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#2 User is offline   hatchett 

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Posted 2007-October-13, 15:47

Well I'm not surprised that it wasn't bid at this table after south started with 2
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#3 Guest_Jlall_*

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Posted 2007-October-13, 15:48

2S is very bad but even after a X I can't see getting to slam.
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#4 User is offline   jdonn 

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Posted 2007-October-13, 15:52

nikos59, on Oct 13 2007, 04:39 PM, said:

Is it as unbiddable as it seems?

I believe it is. I credit the German ladies for even reaching 5.
Please let me know about any questions or interest or bug reports about GIB.
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#5 User is offline   Halo 

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Posted 2007-October-13, 17:23

The facts overwhelmingly say it is unbiddable.

Still seems weird when South is not far off being able to just bid it on their own.
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#6 User is offline   mr1303 

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Posted 2007-October-14, 12:22

I wouldn't be raising on the North cards. 3 low and only 1 trick is not a raise to the 3 level, no matter how you play it.
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#7 User is offline   kenrexford 

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Posted 2007-October-14, 12:46

2 is an amazingly weak call.

Once that occurs, and 3 is bid, Advancer would have to be very trusting to cue 4 after a 4 call. If he were to do that, the five-level would be safe, but finding the doubleton club would be extremely difficult.

Just some rambling before my conclusion -- not biddable.
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#8 User is offline   Fluffy 

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Posted 2007-October-14, 13:56

Congrats nikos, I think its first time ever where forum posters don't find a double dummy slam.
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#9 User is offline   Codo 

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Posted 2007-October-15, 02:31

Fluffy, on Oct 15 2007, 04:56 AM, said:

Congrats nikos, I think its first time ever where forum posters don't find a double dummy slam.

IF he had written: 63 out of 66 pairs FOUND the slam, the comments had been:

Obviously this slam must be bidden because... :)

No, North has 3 trumps an ace and a shortage, not enough for slam. And South has no convincing way to ask for this stuff before they are too high, so I would be happy to reach 4 (or 5) Spade as anybody else did.
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