4th Suit Forcing by Matthias Huberschwiller

In this quiz we will learn about Fourth-suit-forcing.

What is it?

When your side has bid three suits, bidding the last suit is not a natural bid. It shows strength (game values) and says "Partner I need further description of your hand to conclude".

There are two types of hands with which you use it:
- Game hands when you don't know which game you should be in.
- Slam hands, to be able to make a forcing fit bid.

Question 1

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

Q: 1 - What do you bid as South?

South	West	North	East
-	-	1♣	Pass
1♥	Pass	1♠	Pass
?

A: 2♦ - Bidding Hearts again would show six of them and a weak hand.

You belong in game, but which one? You could play 4♥ (if you partner has three), 3 NT (if he has a Diamond stopper), or even 5♣ if he has neither.

Fourth-suit-forcing will help you find out.

Your result so far:

Open Question

Question 2

Your Hand
♠ A 9 5 2
♥ 8 4 2
♦ A 3
♣ K Q 6 2

Q: 2 - What do you bid as South?

South	West	North	East
1♣	Pass	1♥	Pass
1♠	Pass	2♦	Pass
?

A: 2♥ - When you have three cards in your partner's suit you need to show them. If he has five Hearts he'll know you have a Heart fit.

Your result so far:

Open Question

Question 3

Your Hand
♠ 7
♥ A J 6
♦ A K Q 10 9
♣ 10 8 7 4

Q: 3 - What do you bid as South?

South	West	North	East
1♦	Pass	1♠	Pass
2♣	Pass	2♥	Pass
?

A: 2 NT - You must tell your partner that you have a Heart stopper by bidding 2 NT. He knows you are not balanced since you've already shown five Diamonds and four Clubs.

Your result so far:

Open Question

Question 4

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

Q: 4 - What do you bid as South?

South	West	North	East
-	-	1♦	Pass
1♥	Pass	1♠	Pass
2♣	Pass	2♥	Pass
?

A: 4♥ - Your partner has three Hearts. You have found your fit and you belong in game. Let's bid it.

Your result so far:

Open Question

Question 5

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

Q: 5 - What do you bid as South?

South	West	North	East
-	-	1♦	Pass
1♥	Pass	1♠	Pass
2♣	Pass	2♦	Pass
?

A: 3♠ - The reason you used Fourth-suit-forcing was to agree Spades as trumps and show slam ambitions.

If you had bid 3♠ directly over 1♠, you would have been inviting game. Bidding 3♠ now, after Fourth-suit-forcing shows a Spade fit and slam ambitions. Partner will cue-bid a control or bid Blackwood if he has all the suits controlled.

Your result so far:

Open Question

Overall Results

Your results: out of Average:

What next? You may enjoy playing our prepared hands series.
More informations on our website: www.VuBridge.com

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