[rpls]

Playing at IMPs, you are dealt:

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What are my options?

• 2NT invite+, with 3+ cards
• 2NT Lebensohl type

Usually responder has room to distinguish between 3 and 4+ card support, but not here; what do you recommend?

[awm]

The methods I like in this auction are:

2NT = either 6+♣ and roughly invitational, or 5+♣ and GF
3♣ = either 6+♦ and roughly invitational, or 5+♦ and GF
3♦ = invitational with 3+♥
3♥ = competitive with 3-4♥
3♠ = game force with 3+♥
3NT = to play
4m = fit-showing heart raise (4+♥, 5+ in minor, wide range of values)
4♥ = big fit, not forward-going

With these methods the given hand is a clear 3♦ bid.

Of course, if you don't have these options you might have to choose between a wide-ranging 3♥ and forcing to game. I think I'd take the conservative path since bad breaks are likely.

[rpls]

Nowadays transfers are more and more on the scene
Anyway I appreciated your scheme; thanks!

[pescetom]

If you play Rubensohl when RHO interferes over 1NT, then you can basically maintain the same responses here, just make the impossible transfer (3♥ ) a competitive raise instead of Stayman. Which gives you much the same scheme as illustrated by awm.