Double Dummy Corner

 

Competition Problem 94a

composed by "Con Vention" (Saul Cass) in about 1940
(contributed by his son, Leslie Cass, who believes it was never published)
presented for solving in December, 2012

DR2

♠ 63

 K652

 AQ3

♣ A873

♠ AQ872

 87

 KJ862

♣ 2

♠ none

 QJ109

 1097

♣ QJ10965

♠ KJ10954

 A43

 54

♣ K4

South to make four spades.  West leads the ♣2.

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

Promotion:  Sebastian Nowacki became an Expert Problemist (100 D.D. Master Points) with his solution to Competition Problem 92.  Apologies to him for the delayed announcement.

"League Table" for 2012 (Wim van der Zijden has the best solving score, as Steve Bloom's score includes 12 for composing and Jean-Marc Bihl's includes 8 for composing)

MPs SPs

Name

44 6 Steve Bloom
43 2 Jean-Marc Bihl
37 0 Wim van der Zijden
28 9 Paolo Treossi
27 1 Ian Budden
27 0 Leigh Matheson
26 0 Sebastian Nowacki
11 2 Vincent Labbé
10 0 Abby Chiu
7 0 Daniel de Lind van Wijngaarden
5 2 Hugh Darwen
5 0 Dick Yuen
5 0 Radu Mihai
5 0 Kukuh Indrayana
3 1 F.Y. Sing
2 1 Con Vention
2 0 Ayhan Kök
2 0 Pavel Striz
2 0 Prahalad Rajkumar

 

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Solution

Declarer aims to lose just three trump ricks, the run of the trumps eventually squeezing East in clubs and hearts.  As West will be able to attack hearts twice and eliminate North’s entry in that suit, the A must be preserved for the squeeze to work.  South therefore wins the opening lead with the K but is now rather short of entries to hand, needed for repeated trump leads.  To avoid having to use up an entry for the second round of trumps, at trick 2 South leads a low spade!  West wins with the 7 and leads a heart, but North rises with the K and to lead a spade to South’s 9 and West’s Q.  West leads a second heart to South’s K and declarer continues spades.  West wins with the A and exits on a diamond.  North makes the Q and A and then leads the carefully preserved third diamond for South to ruff.  The KJ now draw West’s remaining trumps and squeeze East as planned at trick 11, South having the 4 and 4 opposite North’s A8.

Trap:  If South leads a high spade at trick 2, West ducks—of course!

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, 2012

Date last modified: 11 March, 2017