[bluecalm]

Playing 2/1 (yeah !)

♠3 ♥J53 ♦AJ8762 ♣AQ8

1♦ pass 1♠ - 2♥
pass pass 3♥ pass
?

What does 3♥ shows ?
What now ?

[MFA]

Like a fourth suit forcing bid. I'm used to 3♠ forcing in this sequence, so for me a gameforcing 1-suiter in spades is impossible, but that is not standard. A gameforcing raise in diamonds is possible, though, since 3♦ and 4♦ would be NF.

X would have been take-out as I play it, so the actual hand is not suited for a take-out double. Too much offense but too little defense, usually.

[ArtK78]

Like all nebulous cue bids, it says essentially "Do something intelligent." Bid 3NT with a heart stopper, bids spades with some support, or otherwise make a descriptive bid.

On this hand, 4♦ is the only reasonable call, although 3NT might be the winner.

[jdonn]

3NT is not even worthy of much consideration in my mind, given partner choosing cuebid instead of double which would be his more likely choice on hands that aren't short in hearts (unless he is just forcing to game in spades or diamonds anyway).

[Phil]

Partner didn't double, so I would expect a very offensive hand that can't handle 2♥ x'd. It could be something like a SJS in spades, or a hand with some great diamond support. Could it be a ♦/♣ two suiter?

Isn't there some doubt about whether or not 3♣ is a forcing call by pard?

3♠ is wrong and 3N is out. 4♦ is normal but 4♣ would allow pard to show the diamonds at a lower level.

[MFA]

3♣ instead of 3♥ is nonforcing as I play it. I play all responder's simple balances in a new suit as nonforcing. But a jump to 4♣ would be forcing with a black twosuiter. All those bids are a grey area in standard.

3♥ is often an "ugly" hand with no clear direction.

4♦ is clear now. I then pass 4♠ and cooperate if partner bids 4♥ which would then be a slam try in diamonds.

[peachy]

If partner was interested in penalizing them or interested in 3NT, he would have doubled or bid NT. Particularly playing support doubles, it is not quite mandatory but close to it, to double with the 1S bidder's hand. Whatever else one might think about its meaning, it says "I don't want to defend". 4D now.

[whereagles]

Since I play that the cue asks for stop here, 4♦ is obvious.

I would also bid that opposite a random pard, but with some trepidation.