[StevenG]

Ok, may I ask?

Partner has opened and I have 10 points. Partner couldn't find a bid after the interference, so is weak. So it looks like the points split is something like 22-18 and we don't have much of a fit anywhere. They have at least 8 trumps, we have at most 8, possibly 7. I'm no great fan of the LoTT, but it seems to me that if they're making 2♥, we're unlikely to be making anything at the 3 level, so -110 is roughly par. If they're not, +100 is comparable to what we might get declaring, and +200 is a lot better.

Double might come off if partner has a second spade, but otherwise I fail to see its purpose.

[manudude03]

Why does partner have to be weak?. He might have some 1345 16 count and have no bid over 2H- take the actual West hand and give him the ace of diamonds (especially if double shows spade support). Now by passing, you are letting them play in 2H when you have 26 HCP combined. Now to mention the not-remote possibility that 2H can make, and you can make something. Also, if you open 1♦ with 4-4 in the minors, then East knows there is an 8 card fit.

[helene_t]

W doesn't even need to know if 2NT is scrambling or natural or even lebensohl since his hand would fit in any case.

[Cyberyeti]

 StevenG, on 2014-October-27, 06:41, said:

Ok, may I ask?

Partner has opened and I have 10 points. Partner couldn't find a bid after the interference, so is weak. So it looks like the points split is something like 22-18 and we don't have much of a fit anywhere. They have at least 8 trumps, we have at most 8, possibly 7. I'm no great fan of the LoTT, but it seems to me that if they're making 2♥, we're unlikely to be making anything at the 3 level, so -110 is roughly par. If they're not, +100 is comparable to what we might get declaring, and +200 is a lot better.

Double might come off if partner has a second spade, but otherwise I fail to see its purpose.

Not sure what NT OP is playing (I believe normally weak but not sure online), but if playing a weak one, you can pretty much guarantee at least 5 clubs and an unbalanced hand so very probably one spade.

Manudude also makes some very valid points.

Is partner expected to bid 3♣ over 2♥ with x, Qx, QJxx, KQJxxx btw where 3♣ and 2♥ both can easily make.

[Wackojack]

IMO West has a very tough decision. Assuming E-W are playing weak no trump then East can infer that west is unbalanced and likely has a 3 card heart suit. Thus likely 1345 and a min opener. What can West infer? East is 5233 or 5242 for the take-out double? Or have NS got a 9 card fit and so 5143? If 2♥is a make as is quite possible, then a making 3 level 8 card fit is unlikely. As west I would therefore go for 2N which I expect partner to take as natural, but if he pulls it to 3♣ I wont be upset.

[Wackojack]

BTW east not to blame.

[msjennifer]

west muust not pass this dbl.This is an action dbl.It shows tolerance for all remaining suits and at least two defensive tricks.Wests pass is therefore dubious.

[msjennifer]

West must not pass this dbl as he can not see any possibility of defeating two hearts contract.The dbl is Action Dbl and shows a good hand without six spades and hence tolerance for remaining suits.It also shows at least two defensive tricks and hence can stand a pass if partner decides to pass with a different hand.East knows that West does not have 3 card spades since he did not make a support dbl.

[helene_t]

It's a bit unlucky, though. Declarer has four heart tricks and ♦A. A fifth heart trick, ♣Q, ♦Q and a ruff in dummy are possible but mostly not three of them. At matchpoints I think defending 2♥X would have been a reasonable spot.

[aguahombre]

 helene_t, on 2014-October-28, 10:21, said:

It's a bit unlucky, though. Declarer has four heart tricks and ♦A. A fifth heart trick, ♣Q, ♦Q and a ruff in dummy are possible but mostly not three of them. At matchpoints I think defending 2♥X would have been a reasonable spot.

I would think most of us duffers sitting West would see that our ruffing value in Spades is counterfeited by our QJX in Hearts, go no deeper than that, and remove.