[mw64ahw]

This is one I got horribly wrong playing with no agreement over INT 15-17 interference going for 990
What's your bid?

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Spoiler

And with Transfer Lebensohl

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[DavidKok]

I think 5m will play at least as well as 3NT, and significantly better some amount of the time. I can bid 4♥ to show both minors, and possibly 4NT as well. I'll choose one of those two bids. Our Lebensohl agreements are not relevant on this deal.

[Cyberyeti]

The auction seems wrong on the spoiler, W opens 1N.

We play reverse leb outside the club suit, so our auction would go 1N-2♥-2N-4♥-P-P-5♣ Clearly we have a good hand with another suit and clubs and we haven't bid 4♠, so this shows the minors. Partner passes over 4♥ without a trump stack and not knowing if we had a strong hand, or a weak one with clubs.

[Cyberyeti]

 DavidKok, on 2023-June-09, 03:53, said:

I think 5m will play at least as well as 3NT, and significantly better some amount of the time. I can bid 4♥ to show both minors, and possibly 4NT as well. I'll choose one of those two bids. Our Lebensohl agreements are not relevant on this deal.

Not necessarily, but it's quite likely.

AQxx, Ax, AQxx, xxx 3N is solid, 5♦ isn't either to ♣A offside or a club ruffed by S.

Showing a good hand with diamonds through leb then bidding clubs is not unreasonable, although a slam is not likely, it's not impossible either, Axx, xxx, AQx, AQ109 is just cold.

[DavidKok]

3NT might be best, but this is a contested auction and the odds are slim. I meant to include that last message - while 3NT might be good, I don't think we have a great way to find out. Sure, transfer to diamonds into a stopper ask might get us to 3NT, or 3♠ 'transfer to 3NT without a stop' might also get us there, but it will often also get us to 3NT when that is significantly worse than 5m. Better to bid with the odds and show our hand on the first round.

I haven't checked the spoiler. If opener has got, say, a 3=5=(32), 4=5=2=2 or even a good 4=4=3=2 I'll pay up. One reason for choosing 5m over 3NT is that we have some shortness and weakness in both major suits. For 3NT to be clean we often need to find partner with a good heart stop, some values or length in spades, and also values in the minors to set up our drafty long suits. That's a lot of requirements.

[mw64ahw]

 Cyberyeti, on 2023-June-09, 04:09, said:

The auction seems wrong on the spoiler, W opens 1N.

We play reverse leb outside the club suit, so our auction would go 1N-2♥-2N-4♥-P-P-5♣ Clearly we have a good hand with another suit and clubs and we haven't bid 4♠, so this shows the minors. Partner passes over 4♥ without a trump stack and not knowing if we had a strong hand, or a weak one with clubs.

Thanks spoiler corrected

[jillybean]

3nt, fast denies?

[mw64ahw]

 jillybean, on 2023-June-09, 08:36, said:

3nt, fast denies?

That works here, but I think partner would have passed regardless of whether they had a stopper or not.

[Gilithin]

 mw64ahw, on 2023-June-09, 09:51, said:

That works here, but I think partner would have passed regardless of whether they had a stopper or not.

Without any Leb agreement, 3♥ should show the same as 3♠ Rubensohl or a slow shows 3NT.

[pescetom]

Late to this, see it much like DavidKok.

At MP playing Rubensohl I feel obliged to bid the exotic 3♠ 'transfer to 3NT without a stop', if not now then when?
Otherwise I would bid 4♥ which should show something like this.

[P_Marlowe]

Hi,

what is wrong with 3D? In the context of Lebensohl, this is forcing.
It is even your better suit, but I would still bid it, with the suits
switched.

This allowes to bid 4C / 5C, if you fancy it and cant stand to play 3NT,
I would pass, if partner bids 3NT, but this is a matter of judgment.

Given your kings, it is not really clear, if you want the NT opener to
declare.

Make it 65 in the minors, move the H2 to club, and now you have a problem,
the above plan does not work, since opener will assume, that the first bid
suit is longer.

I have seen the spoiler.

With kind regards
Marlowe