As South, vulnerable against not vulnerable opponents, you hold:
KQ865
J64
KJ6
KJ.
Partner opens 1 and you respond...
Pass
1
1NT
2
2
2NT
3NT
Other
Partner rebids 2 and now you bid...?
Pass
2
2
2
2NT
3
3
3NT
Partner bids 2, typically showing 3-card support. And you?
Pass
2NT
3
3 (Stronger than 4, looking for a possible slam).
3NT
4 (Weaker than 3, enough only for game).
Other
A diamond is led. What is your plan?
Win in dummy and play a club.
Win in dummy and play more diamonds.
Win in dummy and play a heart.
Win in dummy and play a spade.
Win in hand and play a club.
Win in hand and play a diamond.
Win in hand and play a heart.
Win in hand and play a spade.