Score: AB, three; YZ, one.

Five of diamonds turned up.

THE PLAY.

Trick 1.

Tricks AB, 1
YZ, 0
1. B Z A↷ Y
Knv♦ 5♦ 6♦ 3♦

Trick 2.

Tricks AB, 2
YZ, 0
2. B↷ Z A Y
2♦ 2♣ A♦ 7♦