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Play trumps for one loser


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Ususal opponents or not

low from dummy (intending to play the 9) allows us

to pick up 15 of 16 potential trump positions though

two of those 15 (rho K8 or K5) will require us to guess

well when we continue the suit. We for sure lose out

only to stiff J with lho and we will probably lose out to

Jx with lho because it's tough to give rho credit for

being able to duck with Kx. The net yield of this

play is at worst 13 of 16. As shown below the worst

this LOP can yield >= the best of the other choices.

 

playing the A and toward the Q loses to lho

KJ8

KJ5

KJ85

net yield at beat 13 of 16

 

starting with Q intending to take double finesse

loses to rho

KJ8

KJ5

KJ85

net yield at best 13 of 16

 

leading low towards the T intending to double finesse

loses to tho

 

KJ

KJ8

KJ5

void

net yield at best 12 of 16.

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How about starting with the 9 from hand, intending to cover with the ace to read LHO's mind a bit?

 

Strictly speaking, this is inferior - only 12 for 16, losing against Lefty's KJ8, KJ5, KJ85 or void.

 

However, with KJx(x) LHO needs to smoothly play low under the 9... any hesitation on his part would mark him with something, and we could change our mind and let the 9 slide.

 

Not against the rules AFAIK, but is it ethical?

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However, with KJx(x) LHO needs to smoothly play low under the 9... any hesitation on his part would mark him with something, and we could change our mind and let the 9 slide.

 

LHO splitting with KJx would be a blunder (imagine stiff Q in pard's). OTOH, when RHO has Kx, in practice its very tough for him to duck in tempo unless youre playing against robots.

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LHO splitting with KJx would be a blunder (imagine stiff Q in pard's). OTOH, when RHO has Kx, in practice its very tough for him to duck in tempo unless youre playing against robots.

Opponents know declarer has the queen. I can update the OP...

 

But yes, dummy to the 9 and counting milliseconds before RHO's card falls seems like the way to go.

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A)low to the ten, then run the Q picks up all except KJ KJx off side = 13/16 holdings.

 

B)low to the 9 then low to the ten loses only to J-Kxx Jx Kx = 13/16 holdings. But its technically worse since 2-2 breaks are more likely.

 

C)Ace and low to the Q loses only to KJxx Kjx with lho = 13/16 holdings.

 

Generally, B is preferred as its not so easy to duck from Kx. Against genius card playing robots A and C are better.

 

If there is any inkling on the bidding about who has three hearts, you should choose between A and C though.

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A)low to the ten, then run the Q picks up all except KJ KJx off side = 13/16 holdings.

 

B)low to the 9 then low to the ten loses only to J-Kxx Jx Kx = 13/16 holdings. But its technically worse since 2-2 breaks are more likely.

 

C)Ace and low to the Q loses only to KJxx Kjx with lho = 13/16 holdings.

 

Generally, B is preferred as its not so easy to duck from Kx. Against genius card playing robots A and C are better.

 

If there is any inkling on the bidding about who has three hearts, you should choose between A and C though.

 

 

C > A by apprx %2

 

A loses %19.21, KJ offside( % 6.78) + KJx offside, happens 2 times with total of (%12.43) = % 19.21 ---> A wins %80.79

C loses %17.21 ,KJxx offside (% 4.78) +KJx offside, happens 2 times with total of (% 12.43) = %17.21 ----> C wins %82.79

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Cash A. This is a book position as they say in chess. Small to A is psychologically better, but you might not be bothered to do that if you don't have an entry without risking a ruff.

 

Fails when KJx(x) is offside, but you need a suspicion of that to play for it.

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Bridgehands suit combos says running the Q then low to the ace is the optimal way for 4 tricks. It seems logical that it be included in the comparison.

Bridgehands appears to be wrong. This line loses with KJx(x) offside (the other way), as well as when RHO has a stiff King.

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Bridgehands suit combos says running the Q then low to the ace is the optimal way for 4 tricks. It seems logical that it be included in the comparison.

 

They are wrong. Running the Q is the optimal way for 5 tricks, not 4.

 

Starting with A is the max % to make 4 tricks

 

Running the Q loses to ( i am assuming you will go with double finesse)

 

KJ offside OR K stiff offside if you are planning to cash A in 2nd round

KJx offside

KJxx offside

 

Starting A loses to

 

KJx offside

KJxx offside

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