lamford, on 2015-August-02, 12:30, said:
I agree, but we have to make do with that. In the case of a psyche, in the most egregious of cases we can rule "red" based on one hand and adjust the score because we deem a CPU. Should it not be a similar principle here?
Absolutely not.
lamford, on 2015-August-02, 12:30, said:
- the combination of the double and pull is evidence of a CPU from previous experience. We have South making a slow takeout double, and North not passing with a balanced hand with an ace. Given that South had 4NT available, and on the card, that would make the double likely to be passed more often than not. A slow double suggests that South does not want the auction to end, and that is the UI. It suggests not passing with a balanced hand. One could even rule that Double was a psyche, because 4NT was available, and North fielded it by bidding 5H. But that would not be my approach. I would rule that "not passing" was demonstrably suggested by the BIT.
Objectively, the BIT tends to suggest either a minimum double or a big balanced hand. Either way, that would suggest pass over any bid.
Your reasoning that the BIT must have suggested a twosuiter since that was what South held, is circular.
What do you suggest an ethical North would do?
- He knows that the agreement is that double is takeout.
- He has the UI that the double was slow, which may well suggest that it is "not as takeout as it should be". This suggests a pass over any LA.
- North decides to take the ethical route and bids 5♥.
By coincidence, this turns out to be the correct action on this hand, since this time partner doesn't have what the UI suggested most (i.e. a big balanced hand or a minimum), but a two-suiter.
You cannot use the circular reasoning of:
I don't believe in coincidence.
Therefore, North would probably use the UI.
Therefore, South's BIT will have suggested a hand that fits the 5
♥ bid better than the double does.
Therefore, North used the UI.
Now, let's put all theory aside and get real. This North was not so much ethical. He was simply clueless. The BIT didn't mean anything to him. By accident, he took the ethical actin of not passing. And, by accident, he got lucky. Tough luck for EW.
Rik
I want my opponents to leave my table with a smile on their face and without matchpoints on their score card - in that order.
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