Double Dummy Corner

 

Competition Problem 71

composed by Ian Budden
presented for solving in January, 2011

DR2

♠ 6543

 AQ10

 A32

♣ J106

♠ Q

 K987654

 K765

♣ Q

♠ KJ10982

 J

 J109

♣ K87

♠ A7

 32

 Q84

♣ A95432

A. South to make five clubs.  West leads the ♠Q.
B. North and East exchange the 2 and 2.  The contract is still five clubs by South but  this time West leads the Q. 

Successful solvers:  Bob Bignall, Steve Bloom, Abby Chiu, Mohammad Haikal, Sebastian Nowacki, Satyanarayana, Sylvain Schwartz, Rajeswar Tewari, Daniel de Lind van Wijngaarden, Dick Yuen, Wim van der Zijden

Promotion:  Congratulations to composer Ian Budden who with this problem becomes my ninth Grandmaster Problemist, with 750 D.D. Master Points and 38 Star Points.

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Solution

A.      South wins with the ♠A, leads the 4 to the A, then leads the ♣J which is ducked to the ♣Q.  West returns:

(i)      a diamond.  South wins with the Q, leads a heart for a finesse of the Q, then draws the remaining trumps by leading the ♣10 from North, eventually taking a second heart finesse and disposing of a loser on the third heart.

(ii)     a low heart.  North wins with the Q, and declarer plays four more rounds of trumps, leading the ♣10 from North.  West discards three hearts and a diamond, and North and East each discard two spades.  South then leads the last club.  If West throws a diamond, North throws a spade, and declarer leads a low diamond to West’s bare K to set up the Q.  So West does better to throw another heart.  North now throws a diamond, and declarer continues by finessing the 10 and cashing the A.  East must retain a spade and so is reduced to one diamond.  South throws his spade.  North leads a diamond to the Q and K to set up the 8 for the eleventh trick.

Trap: If South leads a low club at trick 2, East overtakes West’s Q to cash a spade.

B.      The layout is as follows: 

♠ 65432

 AQ10

 A3

♣ J106

♠ Q

 K987654

 K765

♣ Q

♠ KJ1098

 J

 J1092

♣ K87

♠ A7

 32

 Q84

♣ A95432

On the ♣Q North unblocks the ♣J and South plays low.  West switches to the ♠Q (best).  South wins, finesses Q, and plays four more rounds of trumps, leading the ♣10 from North.  West discards three hearts and a diamond, and North and East each discard two spades.  South must not now cash the last club (as West can spare another diamond), but finesses 10, East discarding a diamond, and then cashes A, throwing the ♠7 from hand (or a diamond if East throws a spade).  If East discards a spade, North leads a spade to set up the last spade, with the A as an entry.  If instead East discards a diamond, declarer cashes A and leads a diamond to the Q and K, making two more tricks with the last trump and the 8. 

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, 2011

Date last modified: 11 March, 2017