Double Dummy Corner

 

Competition Problem 126a

composed by Sebastian Nowacki
(presented for solving in August, 2015)

DR5

♠ A865

 A1092

 Q3

♣ AK5

♠ KQ74

 5

 A109876

♣ QJ

♠ 102

 QJ876

 J2

♣ 9876

♠ J93

 K43

 K54

♣ 10432

South to make four no-trumps against any red suit lead by West.

Successful solvers:  Steve Bloom, Ian Budden, Wing-Kai Hon, Radu Mihai, Zoran Sibinović, Andries van der Vegt, Dick Yuen, Wim van der Zijden      Tables

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Solution

A.      If West leads the 5, North plays the 9 and Eastís J is allowed to hold!  East does best to switch to the J, which runs to Northís Q.  North cashes the top clubs and then leads a spade, South finessing against Eastís 10.  West does best to win this trick and return the K, taken by Northís A as South drops the J.  South comes to hand on either a heart or a club to lead a spade, North finessing the 6.  Northís last spade forces East to discard the 2, whereupon South comes to hand on the remaining heart or club and throws East in on the last club so that Northís A10 take the last two tricks.

B.      If West leads a low diamond, North wins with the Q and East drops the J.  North leads a low spade for the finesse and West wins.  West does best to return a club to North, who leads the 10 to the J and K.  The J goes to the K and A, whereupon North cashes the 8!

1.       If West plays the 4, North cashes the other top club and throws West in with a spade.  If West now plays the A and another diamond, East is squeezed, whereas a low diamond lets South win with the K and play the 10 and another club.

2.       If West drops the 7, North cashes the 6, South throwing a heart.  East also does best to throw a heart but in any case North can now underlead the K to throw West in for a diamond lead as in B.1.  Note, however, that when West now plays the A and another diamond, North must discard 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