hrothgar, on 2011-July-14, 10:36, said:
This hand is really pissing me off.
My gut reaction is to open this 1♣ (and then rebid 2♣)
However, if I switched a single card from clubs into either red suit, I'd open 1NT in a heart beat.
This doesn't feel at all consitent, hence my annoyence
That doesn't really seem inconsistent, 6322 and 5332 are very different.
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If you have a way to show a 6 card minor suit after 1NT opening, it is certainly fine to open 1NT IMO. Otherwise, you should ask yourself do you feel bad if parnter holds something like Axx AKxx xx Kxxx, after a simple stayman, he bids 3NT, you go down after a normal D lead, if you open 1C and rebid 2C, you stop at 5 C later after a few cuebids because you miss DAK. If you don't mind, certainly, you can open 1NT IMO.
Do you also not open 1N with KQx Qxx Jx AQJxx because partner might have the same hand and the same thing might happen? Not opening 1N because of one possible bad scenario seems silly. Of course there are arguments for and against 1N, and the main one against it is it will be hard to find clubs when you belong there, but evaluating only one scenario does not seem good.
Luckily in real life the opps have read david birds recent article about always leading majors and have led a spade from 3 small isntead of from AQxx of diamonds so you make a lot of NT for a good MP score!
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Does that mean all 15-17 (or whatever is the specified range for 1NT ) semi balanced hands (5-4-2-2 or 6-3-2-2) should be opened 1NT?
No, my general guideline for whether to open 1m or 1N is if I am happy to open 1m and rebid 3m (on both suit quality and strength), I will open 1m. I might also use positional considerations (eg Jx Qx is good for 1N).
With 5422 it would depend on which suits I had, if I had hearts and a strong enough hand to reverse I would do that, if I had spades I would often open 1m. With 5M 4m I would rarely open 1N.
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Do we have to specifically alert ops to our somewhat unusual possible shapes?
No, semi balanced hands are not unusual for 1N.
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Do you open 1 NT with a singleton if the singleton happens to be a high honor?
With the death shape, 1435 I would often open 1N with a stiff honor (especially king) and 16-17. Other than that I would rarely do it, maybe 3145 with 16-17 and stiff K.