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Bidding problem From vugraph

#1 User is offline   Foxx 

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Posted 2007-June-27, 14:43

This hand came up on Vugraph recently, and none of the commentators could come up with a satisfactory solution. Indeed, as I see it, this problem could be considered worthy of the Master Solvers Club.

Scoring: IMP

 [space]W [space] [space] N [space] [space] E [space] [space] S

 [space] [space] [space] 1[di] [space]- Pass - 1[he]
3[sp] - Pass - Pass - ??


You play an ordinary, simple 2/1 system.
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#2 User is offline   Free 

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Posted 2007-June-27, 14:53

I like Dbl...
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#3 User is offline   mike777 

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Posted 2007-June-27, 14:54

Double.

The usual MSC solution bid. :)
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#4 User is offline   pclayton 

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Posted 2007-June-27, 14:59

mike777, on Jun 27 2007, 12:54 PM, said:

Double.

The usual MSC solution bid. :)

Yeah, double and cue bids guarantee you at least an 80 :)

Could 4N be natural? If so I like it. Otherwise, I'm a little torn between 3N and x.
"Phil" on BBO
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#5 User is offline   P_Marlowe 

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Posted 2007-June-27, 15:33

Hi,

I would say, it is simple, either make an
optional X, or bid 3NT, I would say, it depends
on the quality of the 3S overcalls, if the guy
is known to be agressive pass, else bid 3NT.

Most likely X is best, because, you may get
another chance to speak, after 3NT you wont.

With kind regards
Marlowe
With kind regards
Uwe Gebhardt (P_Marlowe)
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#6 User is offline   whereagles 

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Posted 2007-June-27, 15:34

sounds like a normal three no trumps bid ^^
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#7 User is offline   scoob 

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Posted 2007-June-27, 15:36

3NT for me
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#8 User is offline   Apollo81 

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Posted 2007-June-27, 17:02

I would bid 3NT, a contract I expect to make.
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#9 User is offline   hrothgar 

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Posted 2007-June-27, 17:06

I agree with the "panel". I am torn between X and 3NT.

At the table, I expect that I would bid 3N
Alderaan delenda est
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#10 User is offline   Cascade 

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Posted 2007-June-27, 17:10

Apollo81, on Jun 28 2007, 11:02 AM, said:

I would bid 3NT, a contract I expect to make.

If I double and partner bids 3NT then I would expect to make.

If I bid 3NT here then I would hope to make but I think it is far from certain - hearts might not run, partner might not furnish quick tricks.

And bidding 3NT makes it hard to get to 4.

I would double and see what eventuates.
Wayne Burrows

I believe that the USA currently hold only the World Championship For People Who Still Bid Like Your Auntie Gladys - dburn
dunno how to play 4 card majors - JLOGIC
True but I know Standard American and what better reason could I have for playing Precision? - Hideous Hog
Bidding is an estimation of probabilities SJ Simon

#11 User is offline   Echognome 

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Posted 2007-June-27, 17:12

I'm also doubling. So we probably won't get to 3NT. Wtp?

If we bid 3NT, we're probably not getting to slam when it's right. Our hand is prime and can certainly play well in diamonds or in hearts. Flexibility means we're doubling.
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#12 User is offline   foo 

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Posted 2007-June-27, 20:25

Foxx, on Jun 27 2007, 03:43 PM, said:

This hand came up on Vugraph recently, and none of the commentators could come up with a satisfactory solution.  Indeed, as I see it, this problem could be considered worthy of the Master Solvers Club.

North,N/S,IMP,

A3AKQT8832A64

N Opens
1-pa- 1-(3);
pa-pa-??

You play an ordinary, simple 2/1 system.

This is IMPs @ Unfavorable.

We have at least 12+17= 29 HCP between Us.

In order to beat Our >= 600 in 3N, We have to set 3X at least 4 tricks for 800.
IOW, we have to take 8 tricks vs 3X.

If pd had a big enough hand that slam was a reasonable possibility, does anyone really think it logical that they would pass an obvious WJO in a situation were We have !not! established a Forcing Pass?
Therefore, pd's hand is probably not that good...

Our hand does not have much defense vs 3X. pd isn't showing much in that regard either.

Given our hand and pd's 1 Opening, I think it's more likely that We will take 9 tricks in 3N than 8 tricks vs 3X. And the risk/reward ratio these colors playing IMPs gives even more reason to prefer Play vs Defend.
This is not an easy decision, but I think the logic and math supports

3N as my bid.
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#13 User is offline   mcphee 

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Posted 2007-June-27, 20:38

Looks like dble is a winner to me. It is true we will miss a good 3N , but maybe we'll find a good D slam even.
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#14 User is offline   jdonn 

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Posted 2007-June-27, 22:00

The longer I think about it this hand is waaaaaaaay too good for 3NT. If partner holds AQJxxx of diamonds and the heart jack, that alone is usually enough to make 7NT here, of course I'm not saying we would bid a grand slam but just to show the power of our hand. Alternatively it could be a hand where slam makes in a suit but 3NT goes down, like Qx x KQJxxx KQxx or something. I will double, if partner passes (unlikely) we should slaughter them, if he reopens with any suit I will probably bid 4 next and hope he isn't some ill fitting minimum.
Please let me know about any questions or interest or bug reports about GIB.
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#15 User is offline   kenrexford 

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Posted 2007-June-27, 22:07

4.
"Gibberish in, gibberish out. A trial judge, three sets of lawyers, and now three appellate judges cannot agree on what this law means. And we ask police officers, prosecutors, defense lawyers, and citizens to enforce or abide by it? The legislature continues to write unreadable statutes. Gibberish should not be enforced as law."

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#16 User is offline   P_Marlowe 

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Posted 2007-June-28, 01:14

foo, on Jun 27 2007, 09:25 PM, said:

Foxx, on Jun 27 2007, 03:43 PM, said:

This hand came up on Vugraph recently, and none of the commentators could come up with a satisfactory solution.  Indeed, as I see it, this problem could be considered worthy of the Master Solvers Club.

North,N/S,IMP,

A3AKQT8832A64

N Opens
1-pa- 1-(3);
pa-pa-??

You play an ordinary, simple 2/1 system.

This is IMPs @ Unfavorable.

We have at least 12+17= 29 HCP between Us.

In order to beat Our >= 600 in 3N, We have to set 3X at least 4 tricks for 800.
IOW, we have to take 8 tricks vs 3X.
<snip>

True, but only 50% of the truth.
If you beat them "only" -3, the IMP lose is minimal,
depends on the length of the match, 500 instead of 600
is not the end of the world playing IMP's.
3NT may or may not make, surely we expect 3NT to
make most of the time, but not always, but if you play
3SX, you will go plus.

In other words if you make arguments based on
a percentage anylsis, please include also 3NT-X,
and +300 or +500 beats -50 or -100 by a fair IMP
margin.

With kind regards
Marlowe

PS: most likely I bid 3NT, but I am also convinced, that
X is probably the better bid.
With kind regards
Uwe Gebhardt (P_Marlowe)
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#17 Guest_Jlall_*

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Posted 2007-June-28, 01:47

No offense but I would have thought this is the most obvious X ever. 3N is way too committal on both strain and level.
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#18 User is offline   paulg 

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Posted 2007-June-28, 02:09

I think double is clear too so unworthy of the MSC (need 3 options) but certainly a nasty hand.

It's unclear how to continue after partner's 4/4. Josh's 4 is getting us very high with no agreed fit so perhaps we need a natural 4NT at that point .. certainly testing our agreements!
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#19 User is offline   Fluffy 

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Posted 2007-June-28, 02:26

double and 3NT are appealing, I would bid 3NT if I was weaker (no club ace for example). now I'll try a double.
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#20 User is offline   FrancesHinden 

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Posted 2007-June-28, 04:07

I was commentating on this hand at the time, and I thought double was obvious, with a second choice a natural 4NT (but I wanted a second spade stop for that).

Sadly the player at the table (a better player than 99.9% of the posters here) disagreed.

Happily double has more chance of being successful than 3NT.
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