Double Dummy Corner

 

Competition Problem 123b

composed by Paolo Treossi (after Alfred P. Sheinwold)
(presented for solving in May, 2015)

DR2

♠ K9

 K3

 Q

♣ A6

♠ Q7653

 Q5

 none

♣ none

♠ J

 92

 AJ

♣ K4

♠ 842

 8

 2

♣ Q3

With South on lead at no-trumps, North-South to take five tricks.

Successful solvers:  Jean-Marc Bihl, Steve Bloom, Ian Budden, Wing-Kai Hon, John Macmillan, Leigh Matheson, Radu Mihai, Sebastian Nowacki, Zoran Sibinović, Andries van der Vegt, Dick Yuen, Wim van der Zijden      Tables

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Solution

South leads the 8 for an avoidance play against West’s Q: North wins with the K only if West plays the 5.

A.      If West rises with the Q, winning the trick, the next two tricks are taken by the K and K, South discarding the Q!  North now leads the 9, on which East has to throw the J.

1.       If West wins, North discards the Q on the spade return to South’s 8 and East is squeezed in the minor suits.

2.       If West ducks the 9, North exits on the Q and East has to lead a club away from K4 into North’s A6.

B.      If West plays the 5, North wins with the K and can lose a heart to West either immediately or after cashing the K.  In either case South discards the Q on the second heart and we have the same endings as in A.

Trap: If South discards the 3 instead of the Q, A.2 fails when the Q wins the penultimate trick and South last card is a spade loser.

In the original problem by Alfred P. Sheinwold, which appeared as Problem 115 in George Coffin’s Sure Tricks (1948), North’s spades were KJ.  The above solution was the intended one but South could alternatively take the spade finesse at the first trick, North winning and cashing the K.

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