Double Dummy Corner

Competition Problem 31

composed by Vincent Labbé
presented for solving in September, 2007

 DR3 ♠ 862 ♥ Q42 ♦ AKJ832 ♣ 7 ♠ none ♥ J1098 ♦ Q109 ♣ KQJ1098 ♠ 107543 ♥ 653 ♦ 7654 ♣ A ♠ AKQJ9 ♥ AK7 ♦ none ♣ 65432

Successful solvers:  Robin Adey, Steve Bloom, Ian Budden, Clint Fyke, Mike Gallagher, Birol Güvenç, Carolus Hooijman, Mike Hou, Leigh Matheson, Andrew Rollo, Steve Rose, Igor Vorozheykin, Pengcheng Wu, Dick Yuen, Wim van der Zijden.

Thanks for all the DR suggestions, ranging from 1 to 5.  The average of those to the nearest whole number is 3.

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Solution

A club lead followed by a high (!) heart is best, South winning and North playing the 4.  South plays four rounds of spades.   West does best to discard three clubs and a heart and East does best to drop the 10 (otherwise two more rounds of hearts and a spade to East give North the last four tricks in diamonds).  The 9 now triple-squeezes West out of a heart.  North discards a diamond.  A heart to the Q is followed by a top diamond on which South jettisons the A.  Now East is thrown in with a heart and North takes the last three tricks in diamonds.

Vincent Labbé and I would be most pleased to hear of any precedent for the ending on which this problem is based.  The composer points out that it is a kind of jettison squeeze, only here the jettison is made from the same hand as the squeeze card!

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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