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Suit combination doh I cannot sleep

#1 User is offline   Fluffy 

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Posted 2009-July-12, 19:45

Very simple, but I would probably miss it at the table. I didn't see this one written anywhere yet.

Q874


AK53


Self explanatory, so a simple "I knew it", "I solved it" or "obv" (if you are Jlall) should be enough.
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#2 User is offline   benlessard 

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Posted 2009-July-12, 20:04

all i see is K (J,T or 9 drop from RHO) and low to Q hoping LHO insert an honor you win and have and endplay position on LHO
From Psych "I mean, Gus and I never see eye-to-eye on work stuff.
For instance, he doesn't like being used as a human shield when we're being shot at.
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#3 User is offline   mikeh 

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Posted 2009-July-12, 22:00

I know how to guarantee 3 tricks
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#4 User is offline   Stephen Tu 

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Posted 2009-July-12, 22:20

Lead low from dummy to exploit RHOs who put in the 9 from J9xx too often?
(playing you for AKtx plus guessing wrong next)
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#5 User is offline   jdonn 

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Posted 2009-July-12, 22:24

Stephen Tu, on Jul 12 2009, 11:20 PM, said:

Lead low from dummy to exploit RHOs who put in the 9 from J9xx too often?
(playing you for AKtx plus guessing wrong next)

That's a good thought. I knew it involved a defensive error on some 4-1 break, but for some reason it just wouldn't come to me.
Please let me know about any questions or interest or bug reports about GIB.
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#6 User is offline   Cascade 

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Posted 2009-July-12, 22:37

mikeh, on Jul 13 2009, 04:00 PM, said:

I know how to guarantee 3 tricks

There is a safety play for four tricks guarding against a 3-2 break.
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#7 User is offline   gnasher 

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Posted 2009-July-13, 03:34

If this is a side suit in an elimination position, you should cash the ace before endplaying them, gaining when either opponent has a singleton honour.
... 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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#8 User is offline   Fluffy 

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Posted 2009-July-13, 04:05

If you have

Q873

AK102

And cash the ace and RHO puts the 9, restricted choice against an expert says 9 is not singleton (1/3 vs 2/3).

It looks right to play low from dummy so you can trust more RHO's 9, but when it appears, what are your chances now, I can't get any real %.
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#9 User is offline   benlessard 

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Posted 2009-July-15, 08:48

Quote

Lead low from dummy to exploit RHOs who put in the 9 from J9xx too often?
(playing you for AKtx plus guessing wrong next)


Good answer
From Psych "I mean, Gus and I never see eye-to-eye on work stuff.
For instance, he doesn't like being used as a human shield when we're being shot at.
I happen to think it's a very noble way to meet one's maker, especially for a guy like him.
Bottom line is we never let that difference of opinion interfere with anything."
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#10 User is offline   benlessard 

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Posted 2009-July-22, 07:41

Ive calculated that holding J9xx RHO neutral strategy is to put the 9, 1/3 of the time.

As declarer if you believe RHO will falsecard more than 33% and you hold AKTx you should play the Q at trick 2 (pay the stiff 9 protect against j9xx falsec) otherwise cash the K and protect against a stiff 9 and pay to the falsecard.

So the gain from playing low from dummy is 33% of j9xx and stiff T on the other side = slighlty less than 1%.

This is always a gain unless RHO never falsecard (wich is a bad strategy)
From Psych "I mean, Gus and I never see eye-to-eye on work stuff.
For instance, he doesn't like being used as a human shield when we're being shot at.
I happen to think it's a very noble way to meet one's maker, especially for a guy like him.
Bottom line is we never let that difference of opinion interfere with anything."
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#11 User is offline   sfi 

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Posted 2009-July-23, 03:51

When you have the 10, you want to lead from dummy for the first trick in the suit. It makes it harder for RHO to falsecard with J9xx, since they might be giving up a natural trick in the suit by playing the 9.
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