Double Dummy Corner

 

Competition Problem 148a

composed by Stefan Ralescu
presented for solving in June 2017

DR3

♠ K107

 A

 J654

♣ AK876

♠ Q92

 Q1032

 32

♣ 9543

♠ 6543

 54

 10987

♣ QJ10

♠ AJ8

KJ9876

 AKQ

♣ 2

South to make six no-trumps against any defence.

Successful solvers:  Steve Bloom, Ian Budden, Johnson, Leigh Matheson, Radu Mihai, Sebastian Nowacki, A.V. Ramana Rao, Zoran Sibinović,, Rajeswar Tewari, Andries van der Vegt, Dick Yuen, Wim van der Zijden   Tables

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Solution

West does best to lead a club to North.  Three diamond winners follow and West does best to throw a spade—otherwise either the hearts or the clubs can be established with an entry (though this needs a second squeeze when West discards a heart, in which case North is entered on a club to cash the J).  North is entered on the A and then the J, South throwing a heart, wrings another spade from West.  This allows South to overtake North’s K, score the K, then lead the 8 to subject West to a seesaw squeeze in this position:

♠ 107

 none

 none

♣ A87

♠ none

 Q10

 none

♣ 954

♠ 654

 none

 none

♣ QJ

♠ J8

J98

 none

♣ none

A.      If West discards a club North overtakes and has an entry in spades when South jettisons the J on the next club.  North can play a low club next or the A and another to establish a club trick.  East then has to give North the lead on the 7.

B.      If West discards a heart, North plays the 7 and South gives up a heart to establish the suit with J as entry.

On the lead of the 9 North must play the 10, South the J or 8.  Then, when West discards two spades on the diamonds, South comes to hand on a spade, keeping hold of the best spade, squeezing West without the count.  If West discards a heart, South sets up the suit with a spade entry.  If West discards a club, declarer cashes the K and then sets up the clubs, discarding that spade so that East has to give North the remainder.

Similar endings can be obtained by a variety of plays against other opening leads.

See the solution to Competition Problem #4 for the recommended tabular format if you prefer not to write in English prose.

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© Hugh Darwen, 2017
Date last modified: 28 August, 2017