restricted choice question
#1
Posted 2012-April-29, 11:09
bd 7 all red
you hold
KQ864
QT4
83
JT8
the auction proceeds
you lho rho cho
- 1♥ X P
1♠ 2♥ P P
P 2♠ all pass
dummy flops with
932
K5
QT92
AK96
opening lead is 2♣
play proceeds
trick1 ♣2A78
trick 2 ♠25QA
trick 3 ♦A263
trick 4 ♦K978
trick 4 ♥2KA4
trick 5 ♣3T ♠J6
trick 6 ♦4Q5♥T
trick 7 ♠37
Now can anyone come up with a reason why restricted choice does NOT apply?
the Freman, Chani from the move "Dune"
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#2
Posted 2012-April-29, 11:33
a.k.a. Appeal Without Merit
#3
Posted 2012-April-29, 11:57
Thus,
you LHO partner RHO
TWOferBRIDGE
"imo by far in bridge the least understood concept is how to bid over a jump-shift
( 1M-1NT!-3m-?? )." ....Justin Lall
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#4
Posted 2012-April-29, 12:51
Restricted choice undoubtedly does apply, but it might be overridden by these two other inferences:
- Adam's point that LHO might have bid ♦AKJx instead of rebidding ♥J987xx.
- If RHO has a finessable trump, LHO could have beaten this by playing a second heart.
We should also, of course, find out what their carding is, because that may tell us how the diamonds break.
#5
Posted 2012-April-30, 01:27
#6
Posted 2012-April-30, 15:47
#7
Posted 2012-April-30, 17:34
mycroft, on 2012-April-30, 15:47, said:
I would assume that in the expert forum most would know that CHO usually sits between LHO and RHO...
...which appears to be not the case in the OP.
pooltuna, on 2012-April-29, 11:09, said:
Or maybe RHO had taken the seat before CHO could. And now CHO's choice was restricted to the other 2 seats?
Rik
The most exciting phrase to hear in science, the one that heralds the new discoveries, is not “Eureka!” (I found it!), but “That’s funny…” – Isaac Asimov
The only reason God did not put "Thou shalt mind thine own business" in the Ten Commandments was that He thought that it was too obvious to need stating. - Kenberg
#8
Posted 2012-May-01, 11:13
#9
Posted 2012-May-01, 11:35
In the classic example of AKTxx to xxxx suit initial holding of J/Q/QJ are more or less equally probable (1/3, 1/3, 1/3) so seeing J gives us: 1/3 - 1/6 (1/6 = 1/3*1/2) or 66%-33% for stiff J.
Here if your estimation was say 60% for AJT and 20% for AJ/AT each it still gives 30-20 or 60-40 for LHO holding AJT after applying restricted choice.
#10
Posted 2012-May-01, 11:36
That wasn't so hard was it?
trick 1 ♣2A78
trick 2 ♠25QA
trick 3 ♦A263
trick 4 ♦K978
renumbering...
trick 5 ♥2KA4
trick 6 ♣3T ♠J ♣6
trick 7 ♦4Q5♥T
trick 8 ♠37
So I suppose the question boils down to:
Is LHO
a) AJ, J9xxxx, AKJx, x
or:
b) AJT, J9xxxx, AKx, x
(Which would you rather lead the stiff club on - "a" or "b"?)
There's a huge clue in the opponents carding. Do you see it?
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#11
Posted 2012-May-02, 08:29
mycroft, on 2012-May-01, 11:13, said:
You weren't trolled. Read the OP again. The OP put CHO on the right of RHO...
That could also be a fun game, but in bridge CHO is sitting on the left of RHO.
To the OP I would say: If you want to be funny and use terms like "CHO", then at least make sure that your post is still readible.
Rik
The most exciting phrase to hear in science, the one that heralds the new discoveries, is not “Eureka!” (I found it!), but “That’s funny…” – Isaac Asimov
The only reason God did not put "Thou shalt mind thine own business" in the Ten Commandments was that He thought that it was too obvious to need stating. - Kenberg
#12
Posted 2012-May-03, 00:43
George Carlin
#13
Posted 2012-May-03, 12:03