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Doubling of a suit overcall of partner's weak 1NT


Liversidge

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I'd tend to agree it should be takeout. However, I am not sure that you can be certain without partnership discussion as several players I've known assume it is penalty.

 

It certainly used to be assumed to be penalty.

 

It's playable either way, you just need to know what you're doing.

 

Whatever you play 1N-(2x)-X as, 1N-(3x)-X should be takeout

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Penalty is very reasonable if playing weak nt:

 

- The weak nt "forces" opps to enter the auction with strongish hands even if they don't quite have the shape or suit quality for doing so safely

- The weak nt opener is less likely than a strong nt opener to reopen so it is not so attractive to "trap pass" when playing weak nt.

 

That said, if you don't play any "sohl" convention you really need the negative double here, otherwise too many hands become unbiddable.

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As Cyber says is playable either way as long as both of you on same page.

 

However, if people are overcalling indiscriminately over your 1N it may be a good idea to have a penalty double in your arsenal.

 

Note: it is still possible to collect a penalty playing negative doubles but is a more advanced topic.

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That said, if you don't play any "sohl" convention you really need the negative double here, otherwise too many hands become unbiddable.

 

I thought at first that 'negative' was an error and you meant 'penalty'. Until now I have never come across the negative double used after partner's 1NT has been overcalled, but having googled it I have found it on Larry Cohen's site, in the 'advanced' section!

 

As partner and I are just getting the hang of the standard negative double and have Rubensohl in sight for the future, I think it is probably better to agree for the double to show penalty based on what I have been picking up from answers so far.

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I thought at first that 'negative' was an error and you meant 'penalty'. Until now I have never come across the negative double used after partner's 1NT has been overcalled, but having googled it I have found it on Larry Cohen's site, in the 'advanced' section!

 

As partner and I are just getting the hang of the standard negative double and have Rubensohl in sight for the future, I think it is probably better to keep the double for penalty or takeout - tending towards penalty from what I am reading.

Negative or takeout mean the same thing in this context, or at least people use them that way.

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I mean, you could argue that after

1NT-(2H)-x

 

The takeout X would just show shortish hearts and 3+ in the other suits, while a negative X would specifically promise 4 spades saying not much about the other suits, but in practice nobody would play this second method, because opener hasn't promised a suit yet.

 

Plus, it's common to call doubles like

1D-(3S)-x as negative, even though it doesn't promise 4 hearts unconditionally.

 

So takeout doubles and negative doubles are the same here. I don't think it matters how you call them.

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From a weak NT (in a world of 15-17) standpoint, we switched from penalty to takeout doubles.

 

The penalty double is nice and gets great results when it comes out. However, the many -5s and 25%s we got when they bid and "we have a fit, we just don't know where" ...and the strong NTers are having auctions like 1m-(1)-X instead of 1NT-(2)-? convinced us that we needed a takeout call, and double it was. Just on sheer frequency, we're doubling at least 3-4 times as often as we used to, and not feeling like our hands are tied. Yes, it's frustrating when we have a penalty double and partner doesn't cooperate (and it's frustrating when we don't have a penalty double and partner *does* cooperate), but that's rare.

 

In a world where "the field" isn't 90% strong NT, the arguments may change.

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This auction isn't terribly different than:

 

1C 2H X.

 

I suppose you don't have to play negative doubles here but why wouldn't you?

 

It's extremely different. You can know you don't have game on and have at least 6 trumps between you with your nice 4 card holding sitting over at least 5 of them with dummy guaranteed to hold 2 at most.

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It's extremely different. You can know you don't have game on and have at least 6 trumps between you with your nice 4 card holding sitting over at least 5 of them with dummy guaranteed to hold 2 at most.

 

I don't know. A 1C opening is, what, equivalent to a weak NT something like 65% of the time?

 

When partner opens a weak NT and holds a doubleton heart, reopening seems pretty obvious.

 

The only time I'd want to play a penalty x is either when 1) we have so many trumps and opener cannot reopen, or, 2)we don't have a tremendous trump stack but we everything covered but trump and they are vul..

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I don't know. A 1C opening is, what, equivalent to a weak NT something like 65% of the time?

 

When partner opens a weak NT and holds a doubleton heart, reopening seems pretty obvious.

 

The only time I'd want to play a penalty x is either when 1) we have so many trumps and opener cannot reopen, or, 2)we don't have a tremendous trump stack but we everything covered but trump and they are vul..

 

Depends to some extent which hands you open 1 and which 1 for the %.

 

So holding Q109x and a 3433 10 count, it's easy if you have a penalty double available.

 

You could find pd has a 3334 12 count where he probably passes, or a bigger hand with short hearts where he reopens with a double and you should have been bidding 3N/5m rather than taking an inadequate penalty, or a weak NT with a doubleton heart where pass is right, but you have no way of knowing what's right.

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Seems to me it depends on what the 2 bid is?

Natural? DONT? CAPP?

 

Against Natural or CAPP, my partnersip agreements are the X is a "stolen bid", that is, a transfer to spades.

 

Against DONT it is penalty.

 

This is one of those areas where only detailed partnership agreements will prosper.

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We play the doubles as negative here in a strong notrump structure and the flip side is that the 1nt opener (after an overcall has been passed back to them) has to re-open with double on many hands to protect a possible penalty pass from 3rd position.

 

Opening a weak notrump and going through the fear and loathing of when to re-open when the overcall is passed back to you is something to be avoided so penalty is a good choice.

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Edgar Kaplan advocated for takeout doubles of suit overcalls of a weak NT to collect more penalties. The NT opener is known to be balanced and is more likely to have four cards in the enemy suit than responder. Plus some of the lost penalties when responder does have the length come back when opener reopens with a takeout double after responder's pass. This last part happens even more frequently after a strong NT, as opener is able to reopen more often. I have been in this camp ever since I read the KS system book back in the 70's, and it has paid well.
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1NT (2) X (P) ? Penalty or takeout? (We aren't yet up to taking on Rubensohl)
IMO this double should be competitive: a willingness to compete, with coresponding values, usually including 2+ cards in opponent's suit; but you can have a singleton if you are 4441. You might even have 3+ cards, as the first move with a good hand. Opener will usually remove the double unless he has 4 cards in opponent's suit. This is consistent with double by the 1N opener being for T/O, which seems to be a good idea.
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It matters very little technically IMO (there are significant pros and cons but they probably roughly even out). This means that it is best just to play whatever is easier.

 

You may decide to player whatever your partner plays in other partnerships so he is less likely to forget.

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