[manudude03]

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MPs scoring, weak field. For better or worse, you decided not to double 1NT. Partner surprises you by doubling 2D (lead directing), how do you respond to this?

[diana_eva]

I'd bid 3D now and pass them if they compete upper.

[MrAce]

I bid 2 NT. I use it like a cue bid.

3♦ is competitive.

3 NT at IMPs.

[ggwhiz]

I voted for 3nt but was taught as a rookie to play mp's like it was imps (bidding wise) and hope for the best.

I agree with MrAce that 2nt is a strong positive with at least playable diamonds

[gszes]

If p has x with KQJx !D and out this will not fare well but even 1 more dia and we might be able to put intolerable pressure on rho by running the diamonds. 2N is just too tiny a target and how will you ever convince p that Kxxxxx and out in diamonds is probably enough to bid 3n? Our initial decision to pass helps us tremendously since p might start to think slam with Axxx x KQxxxxx x knowing that we must be near the top of our pass to bid 3n.

[Tramticket]

I prefer to play that the double shows strength (a penalty double of 1NT) rather than just showing diamonds.

If I do play it as lead directing it will partner will be prepared for me to bid diamonds with a suitable hand, so will have some values or a good diamond suit.

[Winstonm]

I think 17 total tricks, 8/9. Vul vs NV I bid 3D then double 3H. I think there will be a substantial difference between +100 and +50, we might collect +300, and my partner has helped me avoid a disastrous lead and make a constructive lead I would not otherwise have made.

[helene_t]

If p has ♦KQxxx and ♣Q, we need the two kings to be onside (or LHO might lead away from ♥K). So 3nt is not crazy. Agree with Timo that 2NT is enough at matchpoints, though. This obviously shows a diamond fit.