Remark (Trick 6).—The queen of hearts must be in Z's hand, as A returned the four and now plays the two, and Y renounces.

Trick 7.

Tricks AB, 6
YZ, 1
7. Z A Y B↷
3♣ Kg♣ A♣ 2♣

Trick 8.

Tricks AB, 6
YZ, 2
8. Z A Y↷ B
7♣ 5♣ Qn♣ 6♣

Trick 9.