Double Dummy Corner

 

Competition Problem 158b

composed by Tim Bourke and Hugh Darwen
presented for solving in May 2018

DR3

♠ A765

 A54

 543

♣ A43

♠ J1098

 KQ

 KJ106

♣ KQ2

♠ none

 J109876

 97

♣ 98765

♠ KQ432

 32

 AQ82

♣ J10

South to make three spades.  West leads the K.

Successful solvers:  Steve Bloom, Ian Budden, Ed Lawhon, Radu Mihai, Sebastian Nowacki, A.V. Ramana Rao, Zoran Sibinović, Rajeswar Tewari, Andries van der Vecht, Wim van der Zijden

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Solution

The K is allowed to hold and West does best to switch to a trump.  Declarer wins in hand and leads a club, letting West hold the trick.

A.      If West leads another spade, South wins, leads a club to the A, ruffs a club, leads a heart to the A and ruffs a heart.  West must overruff and lead a trump, to avoid being thrown in via the A and another spade.  North wins and plays out the last trump.  This subjects West to a one-suit squeeze in diamonds.  West either discards the 2 and is endplayed by a diamond ducked round, or discards the 10 and is endplayed when South just covers Eastís card, winning the last two tricks with the AQ or A8.

B.      If West leads the K, North wins with the A and South ruffs a club.  After the K, the A and a heart ruff (or A, heart ruffed and overruffed, spade to the K) the position is as in A.

C.      If West leads the Q, North wins with the A and South ruffs a heart.  Again West must overruff, but in some order the K, A, club ruff and a spade to the A give the same position as before.

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, 2018
Date last modified: 10 September, 2018