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All comments by Stefan Olausson
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What exactly do you mean by “strictly-situational” here?
Nov. 19
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>“Even if North has 2 spades and 4 hearts, spades is probably the best strain.”

“Traditional wisdom” is that 4-4 will often/sometimes give you an extra trick… but not on this one?

Why exactly is that?
Under which circumstances is that not true?

Just hoping to learn something…. :)
Nov. 10
Stefan Olausson edited this comment Nov. 10
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Never use 2-2NT as natural, it's only silly.
Reply 2 and let opener describe.
Nov. 5
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The other example, xxx Ax AQJx AQJx, is a really tricky one – fortunately very rare in real life – hope I never get that one :)

Having opened 1, for lack of better, I would probably rebid 2 and see what might develop…… if lucky, on the next round I can cuebid s, asking pd for a stopper.
Oct. 15
Stefan Olausson edited this comment Oct. 15
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>“Say you pick up Kxx Ax AQJx KJ10x and opened 1m.
1m (Pass) 1♥ (1♠) ? I would double (wouldn't you?)”

What is the reason for doubling with this hand, if you play support-doubles?

If LHO passes and pard bids 1NT or 2, you still need to show your 18hcp with 2NT, I suppose?

If LHO raises to 2 or 3 you might prompt pard to compete with s thinking you have have 3-card support….

I think, in most cases, you are better off just bidding 2NT directly over 1 to avoid ambiguities.
Oct. 15
Stefan Olausson edited this comment Oct. 15
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If they bid 2 of responder's suit, X could also be a 4-card support (with an honor) in a minimum hand, I would suppose?

Thus, stricly not support-doubles (meaning 3-card support).
Oct. 15
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Support-doubles apply if *OUR* suit is still biddable at the 2-level.

Thus, as long as RHO bids a lower bid than 2 of responder's suit.

Wether it applies after RHO's 1NT is a matter of agreement.
I think the default is: NOT over 1NT?
Oct. 15
Stefan Olausson edited this comment Oct. 15
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>“ When I cashed dummy's ♦Q…”

From the diagram, looks like South, holding Q, is declarer…
Sept. 27
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a) I have asked BBO to remove that annoying 2NT bid (just answer 2 instead and let opener describe)
since there is no possible way to locate a 4-4 fit in any suit after that.
All 3-level bids after 2NT show 5+suit.

b) The other issue “everything is natural and shows 4+suit”
yes, it's a disease seriously contaminating the whole GIB-system.
Particularly, after a 1-level opening, there are tons of GF situations
where new-suit bids stupidly just show “4+suit”,
even when in the earlier bidding, you have already denied that suit.
I don't believe this will ever be fixed in the current robot implementation.
Sept. 23
Stefan Olausson edited this comment Sept. 23
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Thinking again, the first double should not be garbage-stayman after overcall, so then shows invite+.

Then pd denies 4-card major, so we can just pass 3.

Still not sure I will have an easier decision next round, though… :)
Sept. 23
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:)

What distribution did west have for “rescue”?
Sept. 23
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but in imps-pairs, this tactic would then seem to come in only in the later stages of the event, when you know you “need swings” to win —- same as in normal MP-tourneys, if you are ONLY interested in winning, rather than placing in the top-X, or so.

Otherwise, if you start bidding “mildy anti-percentage” from board one, odds probably are you have rather destroyed your chances during the first half of the tourney or so, and will just have to suffer through….
Sept. 21
Stefan Olausson edited this comment Sept. 21
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I agree with that!

And since you should not mix them,
the rest follows….. ;)
Sept. 20
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Your Q was just whether it was NT only – that's what I answered to.

When do you think udca gains?
And when does it lose?
Sept. 20
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Not necessarily.

In a suit-contract, for example, pd might lead K from KQTx and declarer ducks from Axx in dummy.
I play low from from Jx, but high from xx.
Sept. 20
Stefan Olausson edited this comment Sept. 20
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Ok, I'll try a more generalized argument :)

Given a 2-card suit, if your top-card is “useful” (i.e. helpful to pd), it's usually OK to encourage by playing the lowest (UDCA).

If the top-card is not “useful” you can usually afford to throw it away and discourage (UDCA).

if you play std-carding, you will mostly be restrained to playing your lowest card regardless of what you have (2 might mean 32 or H2, you play the same card from both – while in UDCA I play the 3 from 32 and pd might notice the 2 is still out).
Therefore, less information transmitted in the signal.

How abt that? :)
Sept. 20
Stefan Olausson edited this comment Sept. 20
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“What about when it's H9? Isn't that just the same thing problem in reverse attitude?”

Well, you can never play other cards than the ones you were dealt.

In UDCA, you play your LOWEST card to encourage (not necessarily a LOW card, if you havent got one). Pard will see some (but usually not all) of the remaining cards, and needs to make his conclusions/probability-estimates regardless of what method you use.

So playing “std signals”, 9 (lowest card) from H9, technically still means “discourage”.
Sept. 20
Stefan Olausson edited this comment Sept. 20
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Either that…. or they might figured out something I didn't :)

I would still think, if you are not world-class, one does well not to mix.

By the way, what percentage of world-class pairs play such mixed approach?
Sept. 20
Stefan Olausson edited this comment Sept. 20
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Your friend couldn't motivate WHY this was so?
Might be easier to discuss if we knew what the supposed reason would be?
Sept. 20
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>I have always played Normal Count and Reverse Attitude signals

They don't mix well.
Either you should play both “std”.
Or both UDCA.
Sept. 19
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