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[hv=pc=n&s=sahajt8632dajcaj3&n=skt7532h94dqt2ct2&d=s&v=0&b=11&a=1hp1sp4hppp]266|200[/hv]

West leads 5 [edited after a wholly justified complaint from matmat], four, queen, ace.

 

Neither of your opponents has six cards in any suit. Therefore, claim your contract before you make a mistake. But just in case, state your line of play.

 

Not sure whether this is really BIL material, but it was actually dealt at the Young Chelsea this evening, and it is a cute hand.

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For the first hand, declarer simply ducks the club exit, and LHO is still endplayed.

 

If they return a spade, we duck from dummy, and ruff in hand, draw the last trump, and have to guess which minor to exit I believe.

 

Nice to see a textbook one come up... Shame I don't read lol

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Here are two hands for East:

1. x KQx Kxxxx 9xxx

2. x KQx Kxxxx Qxxx

 

For the first hand, declarer must play a club before touching trumps. For the second hand, declarer must NOT play a club before touching trumps.

I also don't see a line that handles both of these.

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Unblock A (as well as A of course) immediately. Exit with trump, if they play a trump back play a diamond and overtake with the queen. Next thing: whoever wins the diamond trick will have to put dummy on lead or break the club suit.

Can't they cash the K before playing back a trump?

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Unblock A (as well as A of course) immediately. Exit with trump, if they play a trump back play a diamond and overtake with the queen. Next thing: whoever wins the diamond trick will have to put dummy on lead or break the club suit.

I think Helene got it !

 

Opps' only get 1h, 1d, 1c

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I still don't understand how it is 100% if you just play on trumps. Say you do and RHO wins the trick. He returns s, which you have to duck to prevent them setting up a stack of clubs. After winning, LHO plays a spade to your ace. You draw more trumps if you like but eventually play A and . RHO wins this and plays another which means you are going down with LHO having KQ and RHO K and KQ.

 

You could still make it on this layout by cashing the A before exiting in trumps. Then LHO is endplayed as soon as he gets in with the first . So it looks like it is 100% as long as there is no ruff?

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Right, that's where I got also, Jorrit. As long as spades are no worse than 4-2, it's always home I believe. If spades are 5-1, then you have to duck the eventual spade return and guess which minor to endplay someone with, although a diamond is more likely to work.
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Perhaps David couldn't imagine a singleton trump lead. Indeed if it was a singleton trump lead the opening leader perhaps should be immediately shot?

 

Clearly all 2-2 trump breaks have a 100% line. So do all LHO-RHO 3-1 trump breaks. It appears to me that not all LHO-RHO 1-3 trump breaks are a 100%. So I will wait for David to explain why those are 100%

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Right, that's where I got also, Jorrit. As long as spades are no worse than 4-2, it's always home I believe. If spades are 5-1, then you have to duck the eventual spade return and guess which minor to endplay someone with, although a diamond is more likely to work.

 

If East has x KQx Kxxxx 9xxx there is no endplay.

A A

heart to Q

club return ducked to west.

spade return ducked and ruffed in hand.

West comes down to all clubs, East just matches your pattern. You're hosed. If you exit a diamond East wins and pushes another club through you. If you exit a club West just continues clubs.

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We can't see a 100% line. We're obviously not good enough for the B&I forum.

Is that the royal "we"? I shall have a go. Cash ace of spades and exit with a heart.

a) If East wins and plays a heart, play ace and another diamond.

b) If East wins and plays a club, play low

c) If East wins and plays a diamond, rise, draw the trump if there is one and exit with a diamond

d) If West wins he has to play a heart, and now play ace and another diamond.

 

No doubt I am missing something.

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No, it's not the royal "we" because I'm not royal.

It's "we" in the usual sense of the word: I am posting on behalf of at at least two people, of whom I am one, who cannot see a 100% line under the original conditions given by dburn.

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No, it's not the royal "we" because I'm not royal.

It's "we" in the usual sense of the word: I am posting on behalf of at at least two people, of whom I am one, who cannot see a 100% line under the original conditions given by dburn.

So, the fact that neither opponent has six cards in the suit was added after you answered? I don't think one can tell on here what the original was.

 

And sorry for the confusion over "we"; it could have been the authorial "we" as in "we should consider several possible scores in making an adjustment". And I think I should have used the "editorial we" to be more precise.

 

But I am more interested in what line is actually 100% as the OP reads now.

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