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How to bid this


dwar0123

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I think I would just bid 5C. I don't want to give the opps any room to discover how good their spade fit is. I think the standard meaning of 5C is "I want to play 5C."
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5c

 

 

I dont want pard to bid 3nt with Jxx of clubs and ace of spades which she will over 3c.

My "she" won't. 3C is not a probe for 3NT for us. If partner bids 3NT, she will have more than one stopper in both majors. Otherwise, she will start the probe, and I will never pass 3NT if that happens.

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My partnership has three options here:

 

1) 5 immediately

2) 2NT (Lebensohl) - 3 (relay) - 3 (declaring a stopper) - 3NT (if p has a stopper; if he has no stopper the I will be investigating a slam)

3) 2 (5+ and game forcing)

 

Personally I prefer the last option. I'm not too bothered if the opps come in with their spades as I will happily compete to 5. Bidding 2 establishes an early force and has the advantage of right-siding the contract.

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That problem happens every time you're dealt a long 1 suiter and pard opens 1NT: with the right cards across, you make 6 or even 7. With the wrong ones you go down in 5.

 

Still, the statistical bid is 5. I've run some sims on 6-carders and the standard deviation appears to be in the neighborhood of ~0.7 tricks. That doesn't seem to be large enough to steer away from the statistical bid. Unless you have good (i.e. non messy) methods, of course.

 

Gonna do some 7 and 8 carders now.

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My partnership has three options here:

 

1) 5 immediately

2) 2NT (Lebensohl) - 3 (relay) - 3 (declaring a stopper) - 3NT (if p has a stopper; if he has no stopper the I will be investigating a slam)

3) 2 (5+ and game forcing)

 

Personally I prefer the last option. I'm not too bothered if the opps come in with their spades as I will happily compete to 5. Bidding 2 establishes an early force and has the advantage of right-siding the contract.

I too was wondering about 2! showing and 2! showing being better than the forcing bids of 3C or 3D ( Lebensohl context ) .

For one thing, the contract may be right-sided .

Also, I guess you can have Opener make a pre-accept"... or not.

For example:

1NT - ( 2D! ) - 2H![] - ( p )

??

.. 2S! = accept

.. 3C = only 2 card support

.. 2NT = suggesting NT w/stop(s) in both majors

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I guess it depends on what your methods are; one thing I would not be concerned with, on this hand is right-siding. I have a void in one of righty's suits and a guarded king in the other. What I don't want is for lefty to get a cheap shot spade call in before establishing my G.F./slam interest.
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The sims are good for likelihood of game or slam. But, they don't account for system. If 3C will get us to slam when it makes and to only 5 when it doesn't, then the sim becomes just a good guide for those who have no methods.

 

Agree, of course. But how confident are you that you can sort it all out with little/no risk?

 

Anyway, for 7 carders the cover card expectancy lowers to ~3,5 cards, with slightly higher 0.75 deviation. The reason is probably the intuitive one: 7 carders need less cover cards across, but more pin-pointed ones. So it's natural to have lower expectancy and higher deviation.

 

EDIT: 8 carders have expectancy of ~3 cards and ~0.75 deviation.

 

Conclusion seems to be the longer the suit, the less cards you should play pard for. The suprise to me seems to be a somewhat constant deviation, though a considerable one. This deviation means the odds of getting 0.7 extra tricks is about 14% (1 out of 7 deals). A full extra trick should come up like 10% of the time. That's your odds of having a slam.

 

Note: I counted as cover card AKQ on a 3-7 card suit, AK on an 8 or 2 card suit and A on a singleton. Obviously this doesn't consider cases when opps make a bad lead and declarer has some quick discards.

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2/1 with a good pickup partner but nothing discussed...

 

 

...good guide for those who have no methods.

 

That was the context of the OP. Of course, if you have methods, use them.

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