[blml] ABF seminar - Law 27C

[Eric Landau]

On Feb 2, 2008, at 2:57 AM, Stefanie Rohan wrote:

> TM:
>
>> They bid    1C (1S) 1H (insufficient).
>>
>> I find out that the 1H bidder did not see the intermediate 1S.
>> The previous correction to 2H would show 10+ points and
>> 5+hearts, so I do not allow it (it gives more information than
>> the 1H would have).  However, I can offer the perpetrator
>> a negative double if it means (in their system) 'I would have
>> bid 1H).
>
> I don't think so. Surely a negative double does not deliver an  
> ironclad
> guarantee of four hearts.

Some do, some don't.

> Also the 1H response normally promises diamonds no
> longer than hearts, information that is not normally incorporated  
> into the
> negative double.

I suppose it's a legitimate question of interpretation whether the  
"information" in L27C1 includes those troublesome "negative  
inferences".  But ISTM that if we go down that road, we will discover  
that L27C1 will almost never apply.

>

Eric Landau
1107 Dale Drive
Silver Spring MD 20910
ehaa at starpower.net