[gambolero]

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2♠ shows heart support
2♦ is not forcing (should it be?)
3♦ is weak (good? bad? whatever?)
double shows both minors

What's your call?
More generally I'm trying to suss out which responses after an overcall are forcing.

[helene_t]

2♦ is forcing for most. Somewhat depending where you live. Nonforcing (so-called "negative freebids") is popular in Poland and has some followers in the Netherlands.

If you play 2♦ as nonforcing I think it is best to play 3♦ as forcing.

Otherwise you can double with this hand. It suggests both minors, but it can also be a single-suited hand with the wrong strength for bidding 2♦. The "wrong" strength means "too strong" in this case because you play 2♦ as non-forcing.

What you certainly should not do is to bid 2♠ but you probably know this

[Endymion77]

If you play Negative Free Bids (so 2♦ is not forcing), all forcing hands without heart support start with a double. So you have to double and then bid diamonds.

[P_Marlowe]

If you play 2D as nonforcing, all strong hands without a fit go through X.
This is similar to T/O, initially a T/O promises a given hand type, like the neg. X promising
both majors, but the X can include hands, that are too strong for immediate action, like strong
1-suiter.

3D can be played in various ways, in general, I would avoid jumping around in a new suit as a
response to an opening bid.
If you need a meaning for the bid, play it similar to the meaning with no intervention, what ever
this would be.

With kind regards
Marlowe

[1eyedjack]

What would 3S show? One suggestion might be a source of tricks for 3N if partner can bid it to protect Spade holding.

Might be missing a slam on this hand, though.Perhaps without those other two Kings. Or just one of them.

[spadebaby]

Why would they think 3D is a "weak " bid....

It's a jump shift showing a strong hand with 13 + hcp

[PhilKing]

You should go back to basics and play 2♦ as forcing. This is the standard treatment of the bid at all levels of the game.

Making fundamental changes such as introducing negative free bids can only be achieved with extreme care. For instance, you have adopted them here without thinking through what to do when you are dealt a real hand, such as agreeing to play double followed by diamonds as forcing. Playing both 2♦ and 3♦ as weeak is crackers.

[ggwhiz]

PhilKing, on 2013-November-16, 07:56, said:

You should go back to basics and play 2♦ as forcing. This is the standard treatment of the bid at all levels of the game.

I agree and especially because any casual partner should take it this way without discussion.

It's forcing just for 1 round and most lesser hands can bid a forcing 2♦ then rebid the suit or pass and bid them next time. Not 100% but with a high frequency of success.

[akwoo]

PhilKing, on 2013-November-16, 07:56, said:

You should go back to basics and play 2♦ as forcing. This is the standard treatment of the bid at all levels of the game.

Please do not assume that your local standards are universal. I believe this is NOT the standard treatment in many parts of continental Europe.

In any system I know of where 2♦ is non-forcing, double followed by a diamond bid (or a cue in the unlikely event partner shows diamonds) shows this kind of hand.