Posted 2015-August-05, 12:32
These types of deals are tough if you think sloppy/practical. Consider the problem from East's point of view. He has a run-of-the mill bare opening hand, scattered values. Looks like 3NT just makes sense.
The problem with that type of thinking is very similar to a problem with thinking that 15-17 is 15-17 is 15-17. East could look at the problem more empathetically. First, East should think about pure expected tricks. If Opener, for instance, as a boring A-Q-sixth in clubs and out, hardly an opening hand, there are 8 tricks that are clear, plus legitimate chances for a ninth to be handed to you. Add in another quick trick, and 9 tricks are easy, and you only get to about 9 HCP from Opener. One more key honor gets you to 10 tricks, with an 11th probably somewhere, and you are still in the minimum range for the 2♣ rebid. Thus, the club K-10-x is a huge value, as is Opener's now known long suit.
Think, then, about what might slow down Opener. The likely candidate for a slowed auction will often be shortness in Responder's suit (as illustrated by the actual deal). If East assumes this possibility, he knows that his hand is rather pure opposite the heaviest hand types Opener could have, as only the heart Jack loses value, and the spade Queen in that scenario would likely carry a lot of weight. In the strongest scenario (conservative because short in hearts), East has a likely pure 4-cover-card hand. A 5-loser hand might well rebid 2♣ because of the empathized shortness in hearts.
Bluhmers and Empathetic Splinters have this common theory, by the way. There are times when a pure holding (Aces and spaces) opposite hypothesized shortness that would be seen as a reason for caution by partner merits cause for aggression by the empathetic partner.
Because of this, East's 3NT bid seems sloppy/practical. "Practical" if you want to blast to conceal (or get the lead) rather than explore remote slams and/or avoid a running side suit. "Sloppy" if you don't spot the issue.
Tactically, sloppy is dumb, but practical is fair. But, if your tactics convince you to not be practical, then East, IMO, is who should act, perhaps with an artificial GF and then 3♣ to set trumps. If you even hint at slam, West will force the issue.
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-P.J. Painter.