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4 spades double dummy

#1 User is offline   Lord Molyb 

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Posted 2013-October-02, 13:29

Came up with this problem today, please enjoy :)


1. Make 4 spades on the lead of the ♦7

2. Find all 4 pairs of consecutive cards (two cards that are one apart from value in the same suit, such as a ♠10 and a ♠jack) that, when switched, makes the contract unmakeable against best defense. For example, if one switched the ♥KQ, giving north the ♥Q and west the ♥K, but this does not defeat the contract.


Don't open the spoiler until you figure out problem 2.
Spoiler


just for kicks:
4. Defeat 5♥ in the south.
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#2 User is offline   Fluffy 

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Posted 2013-October-02, 17:32

I didn't work it out, but I have a big feeling that ♠32 is an answer.
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