Double Dummy Corner

 

Competition Problem 130b

composed by Paolo Treossi
(presented for solving in December, 2015)

DR6

♠ 87

 A32

 K954

♣ J432

♠ Q

 K654

 QJ1083

♣ KQ7

♠ K10943

 1098

 76

♣ 1098

♠ AJ652

 QJ7

 A2

♣ A65

South to make three no-trumps.  West leads the Q.

Successful solvers:  Radu Mihai, Zoran Sibinović, Wim van der Zijden.  Others fell into one of the two traps mentioned below.      Tables

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Solution

South wins and leads another diamond, West’s 10 being allowed to hold.  West does best to lead the Q but this is allowed to hold.  A low heart is now the only lead that doesn’t concede a trick, but South wins in hand and leads a low club.  West has to win this but is well and truly endplayed, the best choice now being the K.  North wins with the A and cashes the K, on which East discards a heart, South a club.  This is what’s left, with North on lead:

♠ 8

 3

 9

♣ J43

♠ none

 65

 J8

♣ K7

♠ K1094

 none

 none

♣ 109

♠ AJ65

 Q

 none

♣ A

North leads the 8 which either holds or is covered by the 9 and J.  In either case, South’s Q squeezes East: a spade discard allows South to set up a long spade with A as entry, whereas a club discard allows South to cash the A and exit on a low spade.

Traps: 

1.       If South leads a low spade at trick 2, East overtakes West’s Q and leads a heart.

2.       If South leads a low club, West wins and returns a high diamond.  This is allowed to hold (best) and West switches to a low heart.  South wins and tries ♣A and another club, but West has a safe exit on the Q.

3.       If South wins the spade at trick 3, West wins the low club that follows (best) and exits on a low heart.  South tries ♣A and another club, but this time West has a safe exit in diamonds.

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