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All comments by Ivan Brajkovic
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July 11, 2016
Ivan Brajkovic edited this comment July 11, 2016
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July 11, 2016
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Exactly!

This is one of the reasons why we don't raise a 4 sign-off to 5. We use double as a raise, instead.

Although, to be honest, 2NT could be 6-5 in both ways.
July 11, 2016
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“Blocking” is maybe the wrong word, I intended “sign-off” for partner (it ‘blocks’ partner from making excessive unjustified bids).
July 11, 2016
Ivan Brajkovic edited this comment July 11, 2016
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K8
KQJ72
8
KQT76

1 (2) 3 (pass)
4 (4) pass (pass)
Dbl (pass) pass (pass)

is the hand and bidding we are talking about (for readers convenience).
July 11, 2016
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Huh!?! I don't understand what is going on. I only corrected your claim that you “bid 4 on my example auction”. Well, you could have not. Because you were the other line, EW.

And I just repeated one line of yours, since (by pure coincidence) I noticed what you created on the board given.

For what is worth, when you play X=encouraging in direct position (an excellent treatment!!!), you don't really need the artificial concept of forcing pass - at all. In the balancing position you just look at partner's perceived range (sorry if you hate that concept) and know if there's some equity to protect. Just like that, by heart.

How did you expect to set 4 with partner's superfitting 7-9 and your aceless hand, I don't have a vague idea. I find it funny. If I'd played that way I would certainly be Mr. -1.20, so there's really no reason to get upset. :-)
July 11, 2016
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July 11, 2016
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Are you sure you want to discard the 8 from T852?
July 11, 2016
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2NT is 5+5+ and doesn't deny anything particular except maybe total garbage (0-5, say). Continuous range, not polar. No need to alert.

However, overcaller's perceived range is not the same after:
1 (2NT)
and
1 (2NT) 3.
July 11, 2016
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Solution:

On the board where he discared the 2, responder's got only 3 diamonds.

His hand was:
x
JTxxxxx
852
Jx

Since he knew opener was perceiving his range as super-weak, he just tried to give count in the vital suits - hearts (3) and diamonds (2), as soon as he could, letting partner to figure out the proper defense.

Besides, why would the 1 bidder be so passive after his partner's super-strong sequence, if not being balanced (5323)?

The diamond underlead let an impossible game through.
July 11, 2016
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2s-(p)-3s-(4h) opener usually passes but may make an action double (is allowed to bid!)with a promising 6-4

When I ask you what does “allowed to bid” mean, I suppose both of us know that pass and double (and redouble) in this context are calls, not bids.
July 11, 2016
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So what would you bid here?
http://bridgewinners.com/article/view/bidding-problem-13004/
July 11, 2016
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Kevin, with 19 HCP partner will probably know to bid 3 over 3, on his way to 3NT/4/5. But if partner is weak (the most probable occurrence), you won't preempt anybody, putting opener in a good spot.

Paul, these bidding methods aren't mine. I just saw this board, but responder's action felt like entirely logical to me.

Double was a classic competitive TO double, showing:
- 5+4+,
- good values,
- 0-2 (no TO double after 1, 2 preferred).
July 11, 2016
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Yes, but unfortunately the goal of the bidding isn't to guess sometimes right, but to maximize your EV.

Opponents didn't bid 5 for 1100. Why wouldn't you play the double here with the meaning “I want to bid 5” and use it whenever you have only 5 spades with extra shape, dissecting partner's range in two classes?

Level 5 doesn't make very often. They will go down in 5 a lot, but if you go down in 5 instead of scoring +200 or +500, that's pretty bad.
July 11, 2016
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Oren found one class of hands matching the constraints and now we are discussing bidding strategies and styles.

I don't understand what question are you referring to exactly.
July 11, 2016
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OK. So what should the overcaller do with a decent looking 56m hand?

If he bids 5, he will often bury partner's effort to put them in 5 with a bad hand containing only 3 spades and heart length.

How can this be the best strategy when partner's range is wide (as it should be)?
July 11, 2016
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Why would responder with 54 and maximally 4 HCP bid 1 instead of 3, especially when holding a singleton spade?
July 11, 2016
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Teams. Favorable.

Let's say the bidding starts:
(1) 2 (3) 4

Kevin, can we agree that advancer has in his range a lot of various fitting hands where he doesn't want them to play a vulnerable 4 but he would be happy to defend 5 with?
July 11, 2016
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Does
3 (Dbl) 4
suggest “save with extra shape, pass otherwise” too?
July 11, 2016
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Maybe I don't understand what “allowed to bid” really means. Is opener allowed to bid after:
2 (pass) 3 (4)
or
2 (pass) 3 (4)
?
July 11, 2016
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