Quiz - Rebid NT as Opener

This quiz was written by Oren Lidor to accompany the article 'Rebid NT as Opener'.

Have a go at trying to rebid as opener. Your overall score will be displayed, along with the correct answers once you’ve complete the exercise.

Learn Bridge #6 - Rebid NT as Opener

Learn Bridge #6 - Rebid NT as Opener


1) What's your rebid?

Correct Answer: 1NT

Bid 1NT - your partner changed suit at the 1 level (showing 6+ points) so 1NT shows 12-14 points, a balanced hand and stopper(s) in Spades, given right hand opponents overcalled 1♠. Bidding Double would be a support double, and would show 3 cards in Heart.


2) What's your rebid?

Correct Answer: Pass

Your partner changed suit at the 1 level so 1NT would show 12-14 points, a balanced hand and stopper(s) in Spade, given your right opponent overcalled 1♠. As you don’t have a stopper in Spades, 1NT isn’t the right bid. Double wouldn’t be right either as it would show 3 cards in Hearts; and you don’t that have either.
You need to PASS. Be aware that when partner changes suit and opponent passes you must respond as his hand in not (points) limited. BUT, if opponents overcalls, you can pass, as bidding returns to partner and they can continue bidding. Your pass tells partner that you’ve a minimum opening without 3 or 4 cards in Hearts and likely no stopper in Spades (with 4 cards in Hearts you’d bid 2 and with 3 you’d Double, which would be a support double).


3) What's your rebid?

Correct Answer: Pass

Your partner changed suit at the 1 level so 2NT would show 18-19 points, a balanced hand and stopper(s) in Spade as right hand opponent overcalled 1♠. You have a stopper in Spade but you only have 12-14 points. So 2NT is not the right bid. Double wouldn’t be right either as it would show 3 cards in Spades; and you don’t that have either.
You need to PASS. Be aware that when partner changes suit and opponent passes you must respond as his hand in not (points) limited. BUT, if opponents overcalls, you can pass, as bidding returns to partner and they can continue bidding. Your pass tells partner that you’ve a minimum opening without 3 or 4 cards in Spades (with 4 cards in Spades you’d bid 2♠ and with 3 you’d Double, which would be a support double)
A common mistake would be to bid 2NT because of Heart stoppers. That could be too high if partner has a minimum hand; if partner has 6-7 points, opponents will have more points than you, and 2NT would probably fail. If partner has more points, when the bidding returns to them they’ll be able to bid on. For example, partner might choose to Double which would be a ReOpening Double; and then you can bid 2NT showing your Heart stopper (bidding pass on your second bid showed minimum points, meaning this bid doesn’t show extras).


4) What's your rebid?

Correct Answer: Pass

Bidding 1NT after partner passes requires 18-19 points. So in this case you should Pass.
Bidding 1NT here is a common mistake as you’ve a good Spade holding. But partner promised nothing and opponents clearly have more points that you do, meaning 1NT will fail (you’ve 13 points and partner has a maximum of 5 meaning opponents have 22 points or more between them).


5) What's your rebid?

Correct Answer: 2NT

Your partner changed suit at the 1 level so 2NT would show 18-19 points, a balanced hand and stopper(s) in Spades as right opponents overcalled 1♠. 2NT is the right bid as you’ve a stopper in Spades and 18-19 points. Bidding Double would be a support double, showing 3 cards in Hearts, which you don’t have.


6) What's your rebid?

Correct Answer: 1NT

Bidding 1NT after partner has passed, requires 18-19 points and stopper(s) in Spade. You’ve got it – bid 1NT.
A common mistake would be to bid 2NT as you’ve a strong hand. But, as partner passed your opening bid, you don’t have game; partner has a maximum of 5 points so you have no more than 23 points combined) and 2NT could be too high if partner has only 0-1 points.


7) What's your rebid?

Correct Answer: 3NT

Your partner changed suit at the 2 level (showing 10+ points) so 2NT would show 12-14 points. But as you have 18-19 points and as right opponents overcalled 2♠, you should bid 3NT – your hand is balanced and you have stopper(s) in Spades.


8) What's your rebid?

Correct Answer: 2NT

Your partner changed suit at the 1 level so 2NT would show 18-19 points, a balanced hand and stopper(s) in Heart as right opponents overcalled 2. That is exactly what you have, so bid 2NT. Double would be a support double, showing 3 cards in Spades.


9) What's your rebid?

Correct Answer: Pass

Your partner changed suit at the 2 level so 2NT would show 12-14 points, a balanced hand and stopper(s) in Heart as right opponents overcalled 2. But as you don’t have Stopper in Heart, you need to pass. This shows you have a minimum hand. The bidding will return to partner and they will likely bid on as the points are clearly in your hands. If partner Doubles (Re-opening double), then you can continue and bid 2♠.
Note that a direct 2♠ rebid is a 2 over 2 reverse, which would need 15+ points.


10) What's your rebid?

Correct Answer: 3NT

Rebid 3NT, which shows (after partner has changed suit in 1 level) an unbalanced hand with a long solid Diamond suit (if you open 1♣ and rebid 3NT, it would show a long solid Club suit). This bid shows the same shape as a 3 rebid (15-17 and 6 cards in Diamond) but with a better hand; either stronger by points (as in this case) or with longer Diamonds. As opponents bid 1♠, it also shows stopper in Spades.
Note that this bid is not sign off.
Partner can pass with a weak hand, leaving bidding at 3NT. But they can also try a Diamond slam if they have a good hand and fit (or correct to 5 if they think it’s a better contract than 3NT).

About the Author

Oren Lidor is considered one of the best bridge teachers in Israel, is the author of 5 bridge books, and teaches bridge to people from all over the world on BBO.

5 comments on “Quiz - Rebid NT as Opener”

  1. I didn't bother to read the article, so perhaps it mentioned that Standard American bidding was to be assumed, in which case in hand 7 the rebid would indeed have to be 3NT as responder, if minimum, would correctly pass 2NT. If, however, one was playing 2/1, I would bid only 2NT which partner cannot pass. It strikes me that this increases the odds of finding slam when one exists as it gives partner more room to describe his as yet unlimited hand. If he bids 3 NT we give up. This seems right unless we have the agreement that a jump shows extras, but I don't see the logic in that. I would think that 3NT if anything would be a case of fast arrival, showing a minimum hand in context.

  2. I hadn't appreciated before this that the NT rebid level is based on the responders last bid so this insight can only help my bidding accuracy going forward. Its like a dance, knowing the steps keeps the rhythm.

  3. In hand 9, opener is in 2/1 sequence in which here are no reverses , so would not a rebid of 2 spades be OK ??

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