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All comments by Cornelia Yoder
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Yes, Jim, of course. But if asked for an explanation, that explanation should include that it can contain a singleton or void. That is simply full disclosure, given that the usual common meaning for the 2N bid denies that.
Sept. 10
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Yes, Peg, Jacoby 2N “tends” to show no shortness, worded that way because of the more recent corruption of the original meaning of J2N.

Knowing that you bid 2N with shortness when the meaning of Jacoby 2N includes “tends to show no shortness” is information your opponents are entitled to know.

I believe you are a pretty ethical player, so if you make that bid with shortnesses, I suggest you start including that fact in any explanation of your 2N forcing raises.
Sept. 9
Cornelia Yoder edited this comment Sept. 9
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Thanks, Peg, but you're probably too young to remember Jacoby 2N as it really was invented. I'm completely aware that many people now play 2N differently, but nevertheless, it is still alertable and should be FULLY explained.


Just for reference, I looked up Jacoby 2N on some reputable websites, and here is what I found:

https://en.wikipedia.org/wiki/Jacoby_2NT: “If the partnership plays splinter bids, the Jacoby 2NT response tends to deny the shape for a splinter (i.e., no singleton or void).”


https://www.bridgewebs.com/porthcawl/JACOBY%202NT%20RESPONSES%20TO%201%20MAJOR.htm: “It basically can be used as a flat game forcing hand in the major..”


http://web2.acbl.org/documentLibrary/play/Commonly_Used_Conventions/jacoby2NT.pdf: “..many players prefer to use Jacoby 2NT with hands that do not have shortness (singletons or voids). This helps opener evaluate his hand better.”


Historically J2N and Splinters worked together. With 4 card support and GF values, you either bid a splinter with a shortness or J2N without. But once splinter bids got reduced to minimum game hands, thereby causing a terrible problem for strong hands with a shortness, people apparently decided they might as well screw up Jacoby 2N as well, so they started using 2N even with shortness. However that is NOT Jacoby 2N, it's a different forcing 2N bid and should be fully explained.


Even wikipedia notes this, https://en.wikipedia.org/wiki/Jacoby_2NT: “However, it might be the best alternative as prelude to possible slam exploration with unbalanced support in a holding stronger than the agreed range for a splinter bid.”


Personally, I find it much more useful to specifically deny a shortness, so I use the real Jacoby 2N as it was intended – I can always use a 2/1 bid for a very strong hand with a shortness.
Sept. 8
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Jacoby 2N officially denies a singleton or void, so if they did not include the possibility of a void in the alert/explanation, they are concealing a private understanding.
Sept. 8
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Michael, I recommend you just drop this whole line of thinking and move on. Worrying about what people think of you is useless, just worry about what YOU think of you. The rest will fade into the past very quickly.
Sept. 8
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Because of the general anonymity of the internet, people tend to be more of what they really are IRL.

If they are generally kind, they will be even more so online, because they don't have to worry about overdoing the kindness or being misinterpreted.

If they are generally nasty, they are usually more nasty online, because they don't ever expect to actually meet the person they are being nasty to IRL, so they feel free to indulge their mean nature.
Sept. 8
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Both N and S are at fault for playing Goulash. Bridge is a much better game. :)
Sept. 6
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After a 2/1 GF, 2N still shows 18-19, you don't need to jump to 3N. So 3N is a mistake by someone who doesn't know the previous sentence.
Sept. 4
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Steve, you are completely right, but the crux of the problem is that whichever is YOUR preferred learning method is the method you tend (and sometimes can only) use teaching.

It is very difficult for someone who learns by repetition to teach someone intuitive, simply because they don't have any intuitive sense of the topic.

And conversely, it's very difficult for an intuitive person to teach without explaining the underlying theory to someone, even if that student has no interest in theory at all, just in knowing what actions they need to take.

And so on.
Aug. 30
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David, you should read a book on cognitive styles in learning. You'll find that there are several and none of them are wrong, just different.

The biggest problem in learning is when there is a mismatch between the cognitive style of the teacher and the student.

In your case, the teacher was an intuitive and thus he taught that way, whereas you are apparently a different cognitive style for which intuition isn't important but repetition is. Neither of your styles is bad or good, just different, but it's no surprise that you cannot relate to each other well.

No matter what part of bridge you try to teach, if you cannot teach in ways that adapt to all the different cognitive styles, there will be some students that you lose.
Aug. 30
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Yes, Peter, Drury was actually discussed as being an illegal convention, but enough people at high levels like to be able to field psyches that they lobbied for it to be allowed.
Aug. 30
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It's like Christmas … opening a hand is like opening a present … it's an unexpected surprise or an interesting adventure, always new and always fun!
Aug. 29
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Drury is the second-worst convention ever invented. Thank you, Randy, for enumerating many of its stupidities.
Aug. 29
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I despise 1N 2N being anything other than a natural invitation, so I play this:
—————-
This convention uses 2S bid for either

(1) sign off in a long minor weak hand, or
(2) to investigate for minor suit slam.

Opener:
1N

Responder:
2C Stayman (shows at least one 4 card major)
2D Jacoby transfer to hearts
2H Jacoby transfer to spades
2S asks for better minor
2N simple natural invitation to 3N

Opener rebid after 2S:
2N = better diamonds
3C = better clubs
(either of these may be a 3 card suit)

Responder rebids:
With weak hand and long minor, sign off in 3 of desired minor
Any bid higher than 3D is a slam try:
– 3 of major is control-showing bid
– 4 of minor sets the trump suit (opener can control-bid or RKC)
– 4N is RKC in the shown minor
– 3N is to play (implies slam interest in the other minor, so with both minors, opener can still make a slam move)


Over 2N openings, Minor Suit Stayman is better.
Aug. 28
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Tournament bridge got too expensive to bother with many years ago. First it was the cost of hotels, then table fees kept rising to the stratosphere, now parking is just another drop in the bucket on the way to the cosmos with prices.

What amazes me is that ANYONE still goes.
Aug. 23
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What is wrong with being at the 3 level with an invitational hand? If you try to stop at 2, the opps will push you anyway, so better to just bid it.
Aug. 23
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The answer to your “what to do” question is simple. Don't say, “You're in your hand”. Immediately say in a firm loud voice, “Director, please”, and then be silent until the director arrives.
Aug. 19
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@Bill .. Active and Passive are two different defense strategies, appropriate in different situations, not mutually exclusive.
Aug. 16
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From (unbid) Jxxx or 10xxx, I find another suit to lead.
Aug. 15
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I dislike them all equally!

What's wrong with 2 = spades + minor?
July 30
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