Keycard Blackwood by Matthias Huberschwiller

This is the second quiz on the theme of slam bidding.

After you have confirmed that your side controls all the side-suits, you can bid Blackwood. This convention is used to check that you don't have two immediate losers (Aces).

There are five keycards: four Aces and the King of trumps. If you are missing two of them, it's over, a slam is not possible.

When bidding 4NT, when you have a fit, you are asking your partner how many of those keycards he has.

The answers are the following:
5♣ - 3 or 0 keys
5♦ - 4 or 1 keys
5♥ - 2 keys, and I don't have the trump Queen
5♠ - 2 keys, and I have the trump Queen

Good luck!

Question 1

Your Hand
♠ 8
♥ K 7 5 2
♦ A Q 9 6 2
♣ A K 3

Q: 1 - What do you bid as South?

South	West	North	East
1♦	Pass	1♥	Pass
3♥	Pass	4 NT	Pass
?

A: 5♣ - You have three keys: the ♥K, ♦A and ♣A. You need to respond 5♣, showing 3 or 0.

It will be easy for your partner to know you have three and not zero, since you have shown a good hand.

Your result so far:

Open Question

Question 2

Your Hand
♠ A Q 6 2
♥ 8 3
♦ J 9 6
♣ A K 9 6

Q: 2 - What do you bid as South?

South	West	North	East
1♣	Pass	1♠	Pass
2♠	Pass	4 NT	Pass
?

A: 5♠ - You have two keys: two Aces. When you are responding to Blackwood with two keys, you also need to tell your partner about the Queen of trumps.

You would bid 5♥ to show two keys without the Queen. Here, you need to bid 5♠ to show two keys and the Queen of trumps.

Your result so far:

Open Question

Question 3

Your Hand
♠ A K Q 2
♥ J 6 2
♦ 7
♣ A Q 10 9 2

Q: 3 - What do you bid as South?

South	West	North	East
1♣	Pass	1♠	Pass
3♠	Pass	4♣	Pass
4♦	Pass	4 NT	Pass
?

A: 5♣ - You have three keys (therefore 5♣). When showing 3/0 or 4/1, you don't care (yet) about the trump Queen.

Your result so far:

Open Question

Question 4

Your Hand
♠ Q 9 6 2
♥ 5
♦ A K 6 2
♣ A Q J 4

Q: 4 - What do you bid as South?

South	West	North	East
-	-	1♥	Pass
1♠	Pass	3♠	Pass
4 NT	Pass	5♥	Pass
?

A: 6♠ - You are missing only one key. Having one loser is alright for a small slam.

Your result so far:

Open Question

Question 5

Your Hand
♠ K 6
♥ K 10 4 3
♦ A J 7
♣ K Q 6 2

Q: 5 - What do you bid as South?

South	West	North	East
-	-	1♣	Pass
1♥	Pass	3♥	Pass
4 NT	Pass	5♥	Pass
?

A: Pass - You are missing only one key, but you are also missing the ♥Q. That's two losers, one too many for a slam.

Your result so far:

Open Question

Play this Hand

Now that you've bid five hands, let's see how your play goes.

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Overall Results

Your results: out of Average:

What next? You may enjoy playing our prepared hands series.
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