[Antrax]

Matchpoints, all vul. RHO (I'm east) deals and opens 1♠, opponents silent after that.

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Our auction:

Spoiler

X-2♠, 4♥ (undiscussed, I felt this would show a "big double" type of hand with a good heart suit, 3H could conceivably be 5H and 12 HCP) - 5♣ (intended as natural, I took it as a cue in support of hearts), 5♦ - 5♥, 6♥
AQ of spades with RHO and hearts 4-1, spade lead

[aguahombre]

Maybe, you should; but I am pretty sure we wouldn't (reach slam). Some kinda MamaPapa auction to find the 6-2 heart fit and game...regardless of whether we start with double or with 2H.

[Zelandakh]

I would responsd 3C with West after a double but then I do play 2S as game-forcing here. Then 3H from East gets most of the strength across but not the 6th heart. Probably next comes 3S - 3NT. West could move again over this if feeling good about life (or seeing partner's cards ) but it is MPs so...

[BunnyGo]

aguahombre, on 2011-October-11, 17:25, said:

Maybe, you should; but I am pretty sure we wouldn't (reach slam). Some kinda MamaPapa auction to find the 6-2 heart fit and game...regardless of whether we start with double or with 2H.

This.

Zelandakh, on 2011-October-12, 03:41, said:

I would responsd 3C with West after a double but then I do play 2S as game-forcing here. Then 3H from East gets most of the strength across but not the 6th heart. Probably next comes 3S - 3NT. West could move again over this if feeling good about life (or seeing partner's cards ) but it is MPs so...

This too.

[Antrax]

Thanks. 3NT+3 was the second-best result, with most pairs in 4H+2.

[aguahombre]

Antrax, on 2011-October-12, 03:51, said:

Thanks. 3NT+3 was the second-best result, with most pairs in 4H+2.

6 NT is interesting. Unless the defense is helpful, it seems we cannot untangle the club King for the 12th trick without losing to the club queen. "Helpful" would mean they would lead a spade at trick one, or pop the ace on the first lead if I have to break the suit.

[Antrax]

Good point. I don't see how to make 6NT on a diamond lead and RHO ducking when I lead the first spade from dummy.

[Cyberyeti]

Antrax, on 2011-October-12, 04:17, said:

Good point. I don't see how to make 6NT on a diamond lead and RHO ducking when I lead the first spade from dummy.

Hook ♥ 9 or find a stiff 10 ?

There is also be a squeeze if N has ♣Q and ♠AQ.

Win the diamond in the long heart hand, heart to A, spade to J, A♣, 5 more rounds of ♥:

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Now a diamond to the K fixes N, if he ditches a spade, playing a spade means he has to give dummy the ♣KJ, if he ditches a club, the Q♣ drops.

Even if N does not have Q♣ he's still in trouble. If he pitches a club from xx, K♣ and a spade fixes him, if he ditches a spade, leading a spade endplays him. the only way he can defeat you is to start with 3 or more diamonds and keep them.

[Antrax]

The problem with this layout is that you know N has the QJ♦ - only 11 HCP missing and he opened the bidding. Or is it okay if N has diamond honors?

[Cyberyeti]

Antrax, on 2011-October-12, 06:17, said:

The problem with this layout is that you know N has the QJ♦ - only 11 HCP missing and he opened the bidding. Or is it okay if N has diamond honors?

Diamond honours are irrelevant, as long as he has ♠AQ and ♣Q, he has to discard all his diamonds. You only fail to make 12 if he has something like AQxxxx, x, QJxx, xx and he keeps 2 diamonds and 2 spades in the end position.