40A1b:
Each partnership has a duty to make available its partnership understandings to opponents before commencing play against them. The Regulating Authority specifies the manner in which this shall be done.
requires the full set of partnership understandings to be given. If your full understanding for an opening 1NT is "strong if double is penalty; weak if double is not" then you simply have no agreement for an opening 1NT bid should the opponents' defence be "penalty if 1NT is weak or artificial; (something else) if 1NT is strong." If you now choose to open 1NT then it is effectively a psyche - if you have done it before then you need to disclose this. If your (default) agreeement here is either then this is functionally identical to weak or strong (12-17 or whatever) which is perfectly ok providing that this is an accurate description (you do not later vary according to what double of this meaning would be) and that you fully inform the opponents.
This has been covered over and over and I do not understand why it is so difficult for you to grasp. One could almost believe that you are knowingly and willfully misreading the Laws and Regulations here.
The Loop raising the deads
#102
Posted 2013-March-01, 05:11
GreenMan, on 2013-February-28, 13:06, said:
What I meant was, you can't change your system just because you've changed table opponents. Or to put it another way, "opponents" meant "the people and their bidding agreements".
In which jurisdictions is this prohibited?
I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones -- Albert Einstein