Trick 4.
Tricks AB, 4
YZ, 0
4. Z A Y B↷
7♥ Knv♥ 5♥ 3♥
Remark.—It is probable that A is weak in trumps, as he refused to force his partner in diamonds. Nevertheless, B leads a trump, as he is well provided in spades, and has some defence in the club suit.
Trick 5.
Tricks AB, 5
YZ, 0
5. Z A↷ Y B
8♥ 4♥ 6♥ Kg♥
Trick 6.
Tricks AB, 6
YZ, 0
6. Z A Y B↷
10♥ 2♥ 4♠ A♥