Deal 4	♠   ♥   ♦   ♣		WEST   NORTH   EAST   SOUTH 1♠ pass 2NT pass 3NT pass 4♥ pass  BID      Your partnership plays Jacoby 2NT convention, so partner's 2NT shows a game-forcing raise in ♠s. Your 3NT bid indicates a 5-card suit and "extra values". Partner's 4♥ is a control-bid showing the ♥A. Decide what you would say next, then click on BID above.
	♠ A J 9 7 2 ♥ K Q 5 ♦ K 5 ♣ A K 6

 

Deal 4	♠   ♥   ♦   ♣		WEST   NORTH   EAST   SOUTH 1♠ pass 2NT pass 3NT pass 4♥ pass 4NT pass 5♠ pass  BID    Your partnership plays Jacoby 2NT convention, so partner's 2NT shows a game-forcing raise in ♠s. Your 3NT bid indicates a 5-card suit and "extra values". Partner's 4♥ is a control-bid showing the ♥A. Decide what you would say next, then click on BID above. What you need to know now about partner's hand is Key-Cards so you bid 4NT. He answers 5♠. What is your bid?
	♠ A J 9 7 2 ♥ K Q 5 ♦ K 5 ♣ A K 6

 

Deal 4	♠ K Q 8 4 ♥ A J 6 ♦ J 3 ♣ Q J 8 3		WEST   NORTH   EAST   SOUTH 1♠ pass 2NT pass 3NT pass 4♥ pass 4NT pass 5♠ pass 6♠ pass pass pass Your partnership plays Jacoby 2NT convention, so partner's 2NT shows a game-forcing raise in ♠s. Your 3NT bid indicates a 5-card suit and "extra values". Partner's 4♥ is a control-bid showing the ♥A. Decide what you would say next, then click on BID above. What you need to know now about partner's hand is Key-Cards so you bid 4NT. He answers 5♠. What is your bid? Partner's response says 2 Key-Cards and the ♠Q. So you are missing either the trump King or the ♦A. So you shouldn't bid 7, but you will almost surely make 6. You bid 6♠.  Deal 5
	♠ A J 9 7 2 ♥ K Q 5 ♦ K 5 ♣ A K 6