AlexJonson, on 2011-March-07, 18:28, said:
Such certainty.
In this thread it is said that:
A
1. North definitely can't bid 3H with an invitational hand (OP advice)
2. North almost certainly can bid 3H with an invitational hand (Hotshot)
I do not know - it is a judgement call that must be made. Clearly the UI suggests bidding (partner thinks I have a 0-5-count, and I have 11); also, North showed an invitational hand last time (I assume - question: what did North think 2H showed? We've never really asked), and she doesn't have anything more than that (does she? we still haven't seen the hand). Clearly again, making the call suggested by the UI led to a more successful result than passing (the call *not* suggested by the UI). So, is passing 2S (in a live auction, remember; partner gets to call) a logical alternative (the question HotShot asks, and attempts to answer)?
I disagree with HotShot that it is not, because *my* opponents are idiots (except when they're brilliant, of course), and *my* partner is the best player in the room (besides myself, of course) - if he wasn't, why am I playing with him (and frankly, after I mastermind Yet Another Hand, implying that partner can't bid, why is he playing with me)? *If* North thought 2H showed this hand (maximum pass with hearts, whether or not it also showed diamonds (fit J/S by PH)), then assuming that South both decided not to even try for game with a real opener, knowing he's facing a maximum pass and good hearts, *and* that we can trust E-W bidding to be at all sane (and not, say, a "they don't play at the 2-level" balance with 4=4=3=2, hoping this is their fit), seems like a huge breach of partnership trust, especially since partner actually gets another call.
Of course, if North mispulled and meant to bid 1H, maybe that's different. I haven't analysed that.
That's why it's a "judgement call" - because we should use bridge judgement. Some people's bridge judgement is different from others'. It does strongly depend on what North thought 2H meant/why North bid 2H, I will admit.
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B
1. South definitely has AI that North has an invitational hand (OP advice)
2. South doesn't have AI that North has an invitational hand (Mycroft)
Well, it is possible that my example hands may not be reasonable for this North/South - notice how in both cases, I had to impose something on their system that made the hands unsuitable for an opening bid. If nothing like those are the case, then of course South would know that North can't have a long zero-count or the like. We have to check. But so many people have limits on what their 2 or 3M openings look like that it is quite likely that North could have a weak hand suitable for 2H WJS and 3H "please don't double 2S, partner".
But, of course, what AI anyone has is *irrelevant*, in the face of "has no UI" - which is what OP has implied by not providing any. Even in the face of "has UI", AI means little, except to make illogical alternatives that would otherwise be logical (and less successful than 3H). Please note, this is the key that many people do not understand, and therefore try to argue "I have this information and this that is authorized to me; from that, <call suggested by the UI> is reasonable". That doesn't matter; what matters is whether all the not suggested ones are *not* reasonable.
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C
1. South doesn't have any UI (large majority)
2 South might have UI though not stated in the OP (Mycroft) - happens to be my personal view.
It is quite possible; it frequently is. But without evidence of it (and trust me, the opponents are *going to tell me* about hitches, gasps, hesitations, or whatever from North that provide UI to South), *the TD must rule as if there is no UI*.
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Blackshoe, the reason I don't like what South did is that I believe it was affected by UI when his partner bid 3H. My evidence is scant - just that South bid 4H in this auction, which I think needs investigation.
Believe what you will; but the Rule of Coincidence doesn't exist, and we've spent the last 20 years stamping out the belief that it does. Without any UI (or unexpressed relevant non-"just bridge" partnership knowledge, of course - that is worth investigating, as I said before), you Just Can't rule it back because "there had to have been UI" or "there might have been UI". Which is what Ed is saying with "so, what law did South infract?" - it's not rhetorical, unless you believe that the answer is guaranteed to be "no"; in which case, even then, the law denies restitution for non-infractions.
When I go to sea, don't fear for me, Fear For The Storm -- Birdie and the Swansong (tSCoSI)