Double Dummy Corner

Competition Problem 101b

composed by Hugh Darwen
presented for solving in July, 2013

 DR2 ♠ J106 ♥ Q542 ♦ AJ32 ♣ AJ ♠ KQ9 ♥ 109 ♦ K1097 ♣ Q1098 ♠ 87 ♥ 876 ♦ 8654 ♣ 7654 ♠ A5432 ♥ AKJ3 ♦ Q ♣ K32

South to make five no-trumps against any defence.

Successful solvers:  Steve Bloom, Ian Budden, Leigh Matheson, Sebastian Nowacki, Radu Mihai, Daniel de Lind van Wijngaarden, Dick Yuen, Wim van der Zijden

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Solution

West's best lead (by far) is the K, which North must duck.  West continues with the 10, taken by North, South discarding a spade.  The 4 to South's A is followed by a club finesse, a second club, and the 5 to South's K.  The J now subjects West to a seesaw squeeze.  If West discards:

A.      a spade, declarer gives up a spade and makes the rest.

B.      a club, North plays low.  South cashes the K, North discarding a diamond, and plays a heart to North.  As a spade discard still allows the suit to be set up, West is squeezed again and has to part with a diamond; but this allows North to cash the A and run the J to West, who has to lead into the split tenace at trick 12.

C.      a diamond, North overtakes, cashes the A and leads the 2 to South's 3 to squeeze West again.  When West discards a club, South cashes the K and endplays West by leading a low spade.

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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