iviehoff, on 2012-July-03, 01:45, said:
3N is unauthorised panic.
UI doesn't prevent one from using AI and playing bridge, nor does it allow us to assume that anything that works must be UI-based.
Why can't West think: LHO has a six card major and I have a 20 count. Even allowing that Stayman, if that's what it is, will keep us out of the suit that may break 6-0, do we even want to be in the other suit, with potential ruffs lurking? Partner's 3 club call, whatever it may mean absent the alert and explanation, has to show something, that something likely to be some decent stuff in clubs (because I have the decent stuff in everything else) and this is probably the last chance we're getting to bid 3NT. Partner can correct to clubs if that seems appropriate.
Why does North need to know what 2NT is before passing with his minimum? What possible answer will convince him to try a vulnerable three-level call on his junk? Apparently "both minors" without any indication of strength didn't do it. I wonder what will.
"In the continuing play, declarer miraculously led the ♣Q from hand, King, Ace, Jack. Making 12. Now NS are VERY unhappy."
Maybe, but in the same manner as a football star trying to induce a penalty. 20 opposite 6, all suits well-stopped, don't you think most pairs will be in 3NT and make 12 tricks with the KC onside? But look at what happens now: the TD asks West some questions as N-S glare with arms folded...and we expect a pair who has no agreement about what is on over Multi to give coherent responses. I wonder if N-S feel that using Multi carries with it the right to lead opponents who know little about the convention into confusion by forcing explanations when no likely answer will affect your action, then reap the benefit by calling the TD after misdefending the hand for a normal result.
Score stands. E-W should get a later discussion about proper alerting procedures and what to say before the opening lead when partner's explanation doesn't match their agreements or lack of them. I suspect this N-S will demand it be done it now, in front of them, so they can express their displeasure once more through the rest of the round. If so, N-S get the lecture: on etiquette, asking questions when the answer will not affect your action, and how all this combines to destructive use of a convention.