Dou­ble-dummy prob­lem

The Hazleton Standard-Speaker - - ENTERTAINMENT - Steve Becker

This dou­ble-dummy prob­lem was com­posed many years ago by Sid­ney Lenz. The ob­ject is to make Seven Hearts against the queen-of-clubs lead. Best de­fense is as­sumed, and, of course, de­clarer is al­lowed to see all 52 cards.

Win the queen of clubs with the king, dis­card­ing a di­a­mond, and con­tinue with the ace of clubs. Then:

1. If East ruffs, over­ruff, cash the ace of spades and lead the queen through West’s king. West must play the king of spades on this trick or the next one, where­upon you ruff in dummy and fi­nesse the 10 of trumps to score the rest of the tricks.

2. If East dis­cards a spade on the ace of clubs, trump the ace, play the A-Q of spades as be­fore and take a trump fi­nesse.

Then cash your re­main­ing spade or spades, en­ter dummy with a di­a­mond to the king and ruff another club, re­duc­ing your hand to the A-K-J of trumps and nine of di­a­monds.

Lead a di­a­mond to the ace, lead any­thing at all from dummy, and East’s Q-7-6 of trumps suc­cumb to your A-K-J.

3. If East dis­cards a di­a­mond on the ace of clubs, dis­card your nine of spades and take a trump fi­nesse. Then en­ter dummy with a di­a­mond and re­peat the trump fi­nesse. Af­ter you cash the A-K of trumps, this be­comes the po­si­tion:

When you now play the four of hearts, West can dis­card the 10 of clubs as dummy also dis­cards a club, but when you next play the three of hearts, West is caught in a three-suit squeeze. No mat­ter which suit he dis­cards, the rest of the tricks are yours.

To­mor­row: Now you see it, now you don’t.

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