[nige1]

Local League Match (Aggregate).
Press Next to see the first two tricks.
After trick 2, you can make 3N
even if defenders make no more mistakes
Of course, I went down
Can you guess the winning line?

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[Cyberyeti]

Well the most obvious way of it making is for E to hold Kxxxx, AQ, x, xxxxx or similar, play off ♣AK and play a heart to the 9.

[nige1]

Cyberyeti, on 2019-February-09, 15:15, said:

Well the most obvious way of it making is for E to hold Kxxxx, AQ, x, xxxxx or similar, play off ♣AK and play a heart to the 9.

Cyberyeti's line seems sensible to me. -- In fact, that's what I did.
Unfortunately, as the cards actually lie, our line fails against best defence.

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[Cyberyeti]

nige1, on 2019-February-09, 15:58, said:

Cyberyeti's line seems sensible to me. -- In fact, that's what I did.
Unfortunately, as the cards actually cards lie, our line fails against best defence.

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it does ? how ? or are you saying the cards actually lie differently and another line works ?

I can see that if W has Jxx(x), A(Q), QJ10xx, 10xx(x) that line will also work.

[nige1]

Cyberyeti, on 2019-February-09, 16:25, said:

it does ? how ? or are you saying the cards actually lie differently and another line works ?I can see that if W has Jxx(x), A(Q), QJ10xx, 10xx(x) that line will also work.

CyberYeti guessed the actual layout almost exactly and his line has excellent practical chances.
Unfortunately, if I unblock ♣ and lead a ♥, West defeats me by exiting with ♦J to end-play me in ♦s. I get 4 ♦ tricks but end up a trick short
All a bit double-dummy, but a pretty defence.

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[Cyberyeti]

nige1, on 2019-February-09, 18:31, said:

CyberYeti guessed the actual layout almost exactly and his line has excellent practical chances.
Unfortunately, if you unblock ♣ and lead a ♥, West can defeat you by exiting with ♦J to end-play you in ♦s. You get 4 ♦ tricks but end up a trick short
All a bit double-dummy, but a pretty defencce.

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Well if you weren't up to disposing of the ♦8 at trick 1 and winning trick 2 with the 9 so W can't unblock admittedly he should return the 7 not the 4 to prevent this, but this is difficult to envision at trick 2.

And E has to discard correctly so he retains his 4th heart to give you the ♥J but no 9th trick.

[nige1]

For completeness, given Cyberyeti;s 3rd suggested layout, after the first 2 tricks, GIB demonstrates that defenders can defeat 3N, at double-dummy, on a similar defence, end-playing declarer in ♦s.
Against this distribution, GIB shows that, declarer succeeds, at double-dummy, only on a ♣ lead.
IMO, like Géza Ottlik and Hugh Kelsey, GIB can reveal fascinating opportunities in seemingly hum-drum deals.
Some have practical application, once you are aware of such possibilities.
Thomas Andrews has discovered wonderful deals, using GIB

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[pescetom]

nige1, on 2019-February-09, 15:58, said:

Cyberyeti's line seems sensible to me. -- In fact, that's what I did.
Unfortunately, as the cards actually lie, our line fails against best defence.

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I sympathise with both defence and offence, but unless I am mistaken 3NT is impossible as the cards lie: even 2NT will fail against a ♠ lead, or if S ducks the ♦ lead like nige1 did and W then switches to ♠.
.

[Cyberyeti]

pescetom, on 2019-February-10, 15:51, said:

I sympathise with both defence and offence, but unless I am mistaken 3NT is impossible as the cards lie: even 2NT will fail against a ♠ lead, or if S ducks the ♦ lead like nige1 did and W then switches to ♠.
.

How does NT play if you play low on the spade lead in dummy, win the A, cash one diamond and two clubs then lead a heart ? (on the layout you posted this against, not the original)

[nige1]

Cyberyeti asks "How does NT play if you play low on the spade lead in dummy, win the A, cash one diamond and two clubs then lead a heart ?
+++++++++++++++++++++++++++++++++++++++++++++++++

If declarer tries that line against this layout, East can play ♠K and another, Gib tells us that declarer still ends up a trick short.

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[Cyberyeti]

nige1, on 2019-February-11, 13:29, said:

If declarer tries that line against this layout, East can play ♠K and another, Gib tells us that declarer still ends up a trick short.

In 3, the post I replied to implied you couldn't make 2.

[nige1]

CyberYeti surmised that this was the actual layout.
Pescetom assessed prospects as hopeless against perfect defence.
But, after the actual defence (see OP) of
♦Q lead, ducked; and a small ♦, won by declarer's ♦8,
GIB tells us that declarer can succeed by cashing ♣AK and ♦A
Please press Next to play those cards and arrive at this position..
Now, LHO can save the overtrick by
-- carefully unblocking a ♦ honour on ♦A and then
-- playing low on declarer's ♦K continuation
Finally, declarer leads ♥2 to endplay whichever opponent wins the trick
Double-dummy but pretty stuff

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