[blml] Insufficient rebid [SEC=UNOFFICIAL]

[Matthias Berghaus]

Hello Richard,

if all these things happen to you... never a dull moment, eh?

richard.hills at immi.gov.au schrieb:
> You and your partner have agreed to play a
> weak notrump and the lebensohl convention.
>
> Matchpoint pairs, South dealer, none vul.
>
> You, South, hold:
>
> Q63
> 93
> KJ53
> AK87
>
> The bidding has gone:
>
> WEST      NORTH     EAST      SOUTH
> ---       ---       ---       1NT
> 1H        1S        Pass      ?
>
> What call do you make?
>   

2S

> What other calls do you consider making?
>   

None, but....
It seems to me that I may be under different sets of UI restrictions if 
a) partner bids 1S without a care in the world or b) the TD is summoned, 
the options and the consequences are explained and partner now bids 1S.
If partner seems to have missed (or misread, written bidding?) my 1NT , 
I may have UI because of systemic information from 1 minor - 1H - 1S 
showing 5+ (for example). If, on the other hand, partner knew what he 
was dealing with he may well have only 4 spades (John`s two-suiter is a 
different logical explanation), since this is the hand type he cannot 
get across if no negative double of 2H is available (if he has limited 
values, with a stronger hand he has a cue available). Since partner will 
have a 4+card minor most of the time (if holding only 4 spades) a bid of 
2C seems suggested (certainly debatable whether 2C is a LA at 
matchpoints). Is this AI or UI? I think it is AI, but I am not 
completely sure.

At matchpoints I would always bid 2S. If partner now bids 3 of a minor 
(probably John`s two-suiter) I raise the minor.

>
> Best wishes
>
> Richard James Hills, amicus curiae
> National Training Branch
> 02 6225 6285
>
>
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