Join Bridge Winners
All comments by Helene Thygesen
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I assume that all 5332 always open the 5 card suit. This may not be the optimal agreement.
After a 1nt rebid, responder can sign off in 2. But not with only four of them. Opener could easily have a doubleton diamonds and 4414 is also possible.
March 11
Helene Thygesen edited this comment March 11
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Small heart. Diamonds probably are 3-6-3-1 while the black suits are less friendly for declarer. So we need to attack dummy's entries.

Small club could work if partner has the jack. Big club could work if dummy has jack singleton but that is a bit speculative
March 11
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If you play multi as in the SC long time ago published by Jansma/Verhees, this a 2 opening an a 3NT rebid. The same hand with clubs would open 2 and rebid 3NT. I think the IMP25 system uses the same treatment, maybe someone can confirm.
March 6
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Even if playing forcing freebids and weak notrump, opener would still have to rebid 2NT with x-AJxx-AQx-Jxxxx so presumably 2NT would still be natural and nonforcing.
Feb. 24
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4 must be an error. If he was aware what 3 means, he would never bid 4. The way to show a super hearts fit is 4. He isn't going to confuse us even if he found he has six spades and/or 28 points.

So I think he either forgot the system or made a mechanical error.
Feb. 18
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Well, it should be, of course, it's just my impression that most people consider take-out doubles to be “natural”. No particular logic to it.
Feb. 11
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In practice, it is often used somewhere between the two options given in the poll, with some natural or quasi-natural agreements called “conventions” if they are non-standard, whatever that means. But the word “artificial” is often used the same way. So therefore I think it's reasonable to say it's just another word for an artificial call.

- All artificial calls (maybe except for negative doubles?) are conventions
- “Purely” natural calls such as a 1nt opening showing a balanced hand in a particular range, or jumps showing just length in the named suit and an agreed range, are not conventions, even if non-standard. But not everyone agrees with this: many call Inverted Minors a convention. OTOH, I don't think many would call WJS or the non-forcing shifts in Vienna “conventions”.
- Natural calls that provide some inference other than strength and length in the named suit, are a bit murky. A 1NT response to a minor suit, showing club length but not necessarily balanced, is never called a “convention”, but Muiderberg is. I think the criterion is something like “it is not a convention if the extra inference is negative inference”, but I am not sure if this is well defined enough for legal purposes. For example, the agreement that a reverse shows 5+ in the opening suit even if the opening suit could in first instance be 3+, could be either positive or negative inference depending on how it is described.

So Walsh and Inverted Minors are not conventions. Majors-always-first openings are not but I am not sure about Canape openings.
Feb. 11
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A direct 2 as natural is ok. You can probably live without Michaels. The problem is if you can live without an unassuming cuebid. If you like transfer responses to overcalls, after (1)-1 you could play
1NT: natural, could have a 6 clubs or a modest 5 diamonds
2/: transfer
2: good hand, ostensibly spade tollerance
3: natural, invitational
Jan. 20
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Without the 2 bid, 2 would be NF since you play XYZ so invitational hands go through 2.

After the intervention, 2 is weak. 3 is any GF, and some invitational hands could double. 3 is 5-5 and could be played as either invitational or forcing. I think my preference is forcing since it is awkward to have to bid 3 followed by 4 both with mild and serious slam interest.
Dec. 9, 2018
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Partner would have shown K but could presumably still have K. Otherwise maybe he has a void in spades. I am gambling on that and bidding 6.
Nov. 26, 2018
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Looks like he should just have bid 4 instead of torturing us.

Edit: sorry, I somehow thought it had 7 spades. I suppose the bidding is OK, then.
Nov. 21, 2018
Helene Thygesen edited this comment Nov. 21, 2018
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Kxxxxx and out. Or some such.
Nov. 20, 2018
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We probably have some way to show a weak hand with spades immediately, so maybe this should be a hand that would have penalized 3. Without discussion, though, it sounds like a weak bid. Partner could have doubled 2NT, or bid one of opps suit either then or now, if he had values. So “pass” it is.
Nov. 19, 2018
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The auction suggests that we don't have a fit and there is no reason to think we can make 2NT. I think defending 2 undoubled should be an option.
Nov. 19, 2018
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Why does the double promise four spades?

The agreement was that it is take-out of clubs. So presumably spades could be a 3-card suit. So I pass.
Nov. 18, 2018
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What does take-out mean? Short clubs? Or both majors?
Nov. 18, 2018
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What does the double show? If it shows club I obviously raise.
Nov. 18, 2018
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I am not sure. My guess would be that people first played 4/5 majors either way, found out that it led to too many suboptimal 4-3 or even 4-2 fits, and then figured out that the K2 openings work better.
Rosalind plays this so she may give a better answer.
Nov. 15, 2018
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In the Netherlands, the new trend is to play 2 as 5,3+. I have never tried this but it might be fun. You could play 2NT as 5,5m then.

What you can also do is, if you would otherwise play 2 as Precision or Flanery, to open 2 as Precision or Flanery.

I usually play 2 multi as weak only, or with GF diamonds as the only strong option (or maybe also a rare 25+ balanced). If partner passes your 2 opening, they should have long diamonds, which is unlikely if you have the GF with diamonds yourself. Of course, some weak-only multi players like to pass 2 with all kind of random hands also. You lose that option, then, unless you can smell that one of the opps has a monster hand.

If you play weak-only multi, you can agree to pass the 2 opening with very weak hands with long hearts also. Subsequent 2 (after they double 2) is then to play, while rdbl shows 5,5.
Nov. 14, 2018
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Maybe. However, for almost everyone there is no ambiguity wrt gender. So this is a non-problem.

My dad had a colleague with two different birth certificates. Since it was not known whether his original birth certificate was issued using the Gregorian or the Julian calendar, it was no known exactly how old he was. Should we abandon age discrimination because of such cases? Maybe we should abandon age discrimination for other reasons. But not for that reason.
Nov. 13, 2018
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