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6 Clubs What's the best line?

#1 User is offline   Hanoi5 

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Posted 2011-May-12, 14:46

Say you got to 6 with no interference from the oppoenents in the bidding:

K8742
A842
K6
A9

3
K96
AJ
KQT8654

Let's say they lead the J (even though dummy mentioned the suit). Let's say it's not a singleton, though that may spoil the fun. What is the best route to 12 tricks:

a. Duck a spade and trump two of them, expecting to win when the spade Ace is singleton, doubleton or tripleton.
b. Play a spade to the K and if it loses try to set up spades using the club finesse (small to the 9) as an additional entry.
c. Something else?

 wyman, on 2012-May-04, 09:48, said:

Also, he rates to not have a heart void when he leads the 3.


 rbforster, on 2012-May-20, 21:04, said:

Besides playing for fun, most people also like to play bridge to win


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#2 User is offline   gnasher 

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Posted 2011-May-12, 16:24

Line A works when A is singleton, doubleton or trebleton, which is
(1/7 * 7 + 2/7 * 30 + 3/7 * 62) = 36%

Line B works when LHO has K, plus half of the time that spades are 4-3 with K offside, and gets a bit more for accidentally picking up 4=0 trumps
Since the finesse is 50%, it's clearly better.

If Line A allowed you to pick up Axxx, I think it would be slightly better.

This post has been edited by gnasher: 2011-May-12, 16:31

... that would still not be conclusive proof, before someone wants to explain that to me as well as if I was a 5 year-old. - gwnn
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#3 User is offline   Fluffy 

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Posted 2011-May-12, 16:44

spade to the king also gives you squeeze chances when hearts are 5-1. But a spade ducked gives them an inmediate ruff
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#4 User is offline   cloa513 

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Posted 2011-May-12, 18:01

Supposing you win the J in hand, what does RHO play? Obviously the J can't be from 6 cards otherwise your most likely down on the lead.

The odds would be to eliminate at least one club and not even consider finessing to the 9- someone want to confirm that. 5-1 break in hearts isn't that unlikely- if its 5-1 then chances are that you'll pick up the Q and decide to finesses in hearts. This discounts the unlikely lead of Jxxx without the 10 and RHO dropping the Q to confuse things.

If you pick up the Q, you certainly have to eliminate all defence's trumps.
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#5 User is offline   menggq 

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Posted 2011-May-12, 18:10

line b for me
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#6 User is offline   benlessard 

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Posted 2011-May-16, 22:13

i dont think its easy for west to play low when i play low to king at trick 2. Does my bidding show a S control or a H fragment ?

If its a pure math problem low to K win, but IRL its a different story. 1 - the lead is fishy 2- West going to hop a fair amount etc
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#7 User is offline   han 

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Posted 2011-May-21, 00:21

Play the spade first, then think.
Please note: I am interested in boring, bog standard, 2/1.

- hrothgar
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