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Rebids by 2C opener does it or doesn't it deny

#21 User is offline   thebiker 

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Posted 2009-May-04, 13:27

"North did fine too.
For a slam to make, he needs more then two tricks from partner. And running clubs won't be enough, so it was certanly reasonable to bid just 4 Heart. He had no tool avaiable to ask for all kings he needs"

Assuming that N is worth a 3H rebid, perhaps he could have had the appropriate tools to bid the slam:

2C 2D
3H Solid suit asks initially about Aces
so 3S No Ace but I have something else ie 1 or 2 Kings
3NT Ace of S
4C Ace of C
4D Ace of Diamonds

For the actual hand bidding would go
2C 2D
3H 3S No Ace
3NT Ok tell me about Kings
OPtions
4C K of Clubs
. 4D K of Diamonds
4H K of Spades (must have one K for the 2D bid)
4S K of Spades & K of Diamonds
4NT
5C K of Clubs & K of Spades
5D K of diamonds & K Of clubs

So for this hand
2C 2D
3H 3S
3NT 5D
6H Bingo!

regards
thebiker
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#22 User is offline   gnasher 

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Posted 2009-May-04, 13:42

thebiker, on May 4 2009, 08:27 PM, said:

[clever stuff]

2C 2D
3H 3S
3NT 5D
6H  Bingo!

Yes, a bit of sophistication in this area can be quite helpful. Now the only problem is remembering it until we need it again, probably in about five years' time (or longer if we wait for opener to actually have the right hand for his bid).

Of course, no amount of artificiality after 3 will get you to the 65% slam opposite xxx xx Kxxxx xxx. That's why it's better to rebid 2, to allow auctions like
  2C 2D
  2H 3D
  3H 4H
  4S 5D
  6H
on my example.

On the original hand, reaching slam should be trivial. It might go:
  2C 2D
  2H 3C
  3H 4D (the only slam try for hearts)
  4S 5C
  5D 6D
  6H
... that would still not be conclusive proof, before someone wants to explain that to me as well as if I was a 5 year-old. - gwnn
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#23 User is offline   MFA 

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Posted 2009-May-04, 13:56

Cascade, on Apr 30 2009, 05:18 AM, said:

I think ...

Opener has no spade control or no diamond control - easy!

I would say that 4 from opener would confirm a spade control but is unclear about a diamond control. As a default cuebidding principle.
Michael Askgaard
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#24 User is offline   pirate22 

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Posted 2009-May-05, 00:33

ref "Peachy" your comment is sarcastic,and show's your ignorance.

I think now the topic writer and their partner,should be using "NORMAN" responses to
a 2cl opener's which i used to play,and this has now reminded me,i must ressurect it, but mine was "Modified Norman" a King = 1/2 point, an A=1 point.

So 2cl opener 2d=0
2h=1K
2s=1A
2n/t=2 k (important if responder in high level n/t's)
3cl==1A and 1 K
3d==2 points either 4 K-or 1 ace and 2 K's(2cl opener can differentiate)
3h==2 1/2 (2A's and 1 king) and we have had this response several times so to bid the hand given 2cl--2sp! (2K)
3ht--4cl suit
go for it 6 hts pass

regards
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