[blml] Can you create your own UI? [SEC=UNOFFICIAL]

[richard.hills at immi.gov.au]

Grattan Endicott:

>>+=+ This is a question that has lodged in my mind for over twenty
>>years. It happened that the bidding went
>>               1S - p - 2S - 3C
>>               p* - p - 3S - p
>>               4S     all pass.   Ten tricks.
>>(* ages )   The Director was not called. Perhaps he should have
>>been.
>>                                        ~ Grattan ~   +=+

Eric Landau:

>The notion that your actions may be constrained due to the fact
>that your partner is known to maintain an extremely high standard
>of ethics seems contradictory to common sense and absurd on its
>face.

Richard Hills:

But what may be commonsense in Poker may be an infraction in
Duplicate Bridge.  In Grattan's example, the extraneous information
transmitted by responder's 3S is not merely that responder has a
high standard of ethics, but also that responder holds maximum
values for a reopening bid (since with minimum values for a
reopening bid, responder had a logical alternative of passing which
Law 16 required responder to choose).

In effect, this debate is about the Principle of Restricted Choice,
and consequent deductions which can be made.  If opener had not
hesitated, responder's choices would not have been restricted, and
therefore opener would have less specific information about the
wide-ranging strength of responder's 3S reopening.

But is the extraneous information about responder's narrower range
unauthorised information?

Law 16:

"Players are authorised to base their calls and plays on
information from legal calls ..... "

If opener bases their raise to 4S on the assumption that their
partner's 3S call is a legal call, then it seems to me that that
use of the Principle of Restricted Choice is specifically permitted
by Law 16, as an exception to the general rule that extraneous
information is also unauthorised information.


Best wishes

Richard James Hills, amicus curiae
National Training Branch, DIAC
02 6225 6285

Important Notice: If you have received this email by mistake, please advise
the sender and delete the message and attachments immediately.  This email,
including attachments, may contain confidential, sensitive, legally
privileged and/or copyright information.  Any review, retransmission,
dissemination or other use of this information by persons or entities other
than the intended recipient is prohibited. DIAC respects your privacy and
has obligations under the Privacy Act 1988. The official departmental
privacy policy can be viewed on the department's website at www.immi.gov.au
See: http://www.immi.gov.au/functional/privacy.htm