Double Dummy Corner

 

Competition Problem 121a

composed by Jean-Marc Bihl
(presented for solving in March, 2015)

DR6

♠ AK52

 J1062

 Q52

♣ 102

♠ J7

 83

 J108743

♣ K94

♠ 1083

 KQ97

 96

♣ AJ63

♠ Q964

 A54

 AK

♣ Q875

South to make four spades.  West leads the ♠J.

Successful solvers:  Steve Bloom, Ian Budden, Leigh Matheson, Sebastian Nowacki, Alexey Pavlov, Zoran Sibinović, Wim van der Zijden     Tables

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Solution

North wins the opening lead and South comes to hand on a diamond to lead the 8, covered by the 9, 10 and J.

A.      If East returns a spade, South wins as cheaply as possible and leads a higher club.  To prevent declarer from setting up a club trick, West must rise with the K.  This is now the position with West to lead:

♠ A5

 J1062

 Q5

♣ none

♠ none

 83

 J10874

♣ 4

♠ 10

 KQ97

 9

♣ A6

♠ Q6

 A54

 A

♣ Q5

West does best to lead the 3 (not the 8), North and East playing low.  Declarer scores the red suit aces, plays a spade to the A and discards a heart on the Q.  The lead of a high heart from North now endplays East in a 3-card ending where North and South both have a trump.  Whichever top card East plays is ruffed in one hand leaving the other with a ruff and a master.

B.      If East returns a diamond, South leads any club.  To prevent line A, West must win and lead a diamond to kill North’s Q.  East ruffs, but South overruffs, ruffs a club, comes to hand on a trump and ruffs another club.  South now plays low on the lead of the J to guarantee two heart tricks in addition to the last spade.

Trap:

If North plays high on the 3 in A, play follows the line given but East discards a club on the Q and plays the 7 when North exits with a low heart, letting West in with the 8.

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, 2015
Date last modified: 11 March, 2017