# Puzzle This

Dlr:
South
Vul:
N-S
North
♠ 10 4 2
A Q 7 4
A Q 5
♣ A 7 6
South
♠ —
K J 10 9 2
K J 10 6 3
♣ J 4 3
 West North East South 1♥ 1♠ 2♠ 3♠ 4♦ 4♠ 6♥ Pass Pass 6♠ Pass Pass 7♥ Dbl All Pass

Opening the South hand is aggressive but would be the choice of many experienced players. The 2♠ cuebid shows a good hand, typically with support for opener’s suit. At favorable vulnerability, West decided to sacrifice in 6♠ after North’s leap to slam. Notice North’s pass over 6♠:
This action is forcing because after North–South freely bid a vulnerable slam, the opponents cannot logically be allowed to declare undoubled. The pass asks South to double with one or more spades, but to consider bidding on with first-round control (the ace or a void). South bid the grand, and West doubled.
How would you play 7 on the lead of the ♠A?

View Solution
Dlr:
Vul:
North
♠ 10 4 2
A Q 7 4
A Q 5
♣ A 7 6
West
♠ A Q 9 8 7 6 3
8
9 2
♣ K Q 10
East
♠ K J 5
6 5 3
8 7 4
♣ 9 8 5 3
South
♠ —
K J 10 9 2
K J 10 6 3
♣ J 4 3

At first glance , it seems as if you have 11 top tricks: five hearts, five diamonds and the ♣A. How can you take two more tricks?

Ruff the opening lead, cross to dummy with a trump and ruff another spade. When you play the K, the 3–1 split is revealed, West showing out. Cross to dummy with a high diamond, and ruff the last spade with your remaining trump. East still has a trump left, so cross to the ♣A, draw the enemy trump with the Q, and run the diamonds for 13 tricks. Altogether you score three spade ruffs in your hand, four trumps in dummy, five diamonds and the ♣A.

This tactic, in which you take several ruffs in the long hand and finish drawing trumps with the short hand, is called a dummy reversal.

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