Remark.—It is unlucky that A is obliged to win his partner's queen. The king of hearts is most probably in B's hand, as it is not likely that B has only one heart, and with queen and small ones B would pass.
Trick 4.
Tricks AB, 2
YZ, 2
4. Y B Z A↷
4♠ Kg♠ 2♠ 3♠
Remark.—This is an instructive trump lead. A, at the first start, with but four trumps, and only one heart, would not have been justified in leading a trump. But, his strong suit being established, and his partner having (probably) the best heart, his game is now to lead trumps. Consider carefully the Management of Trumps (pp. [119]-23), and apply the arguments there made use of to the present situation.
Trick 5.
Tricks AB, 2
YZ, 3
5. Y B↷ Z A
A♠ 7♠ 8♠ 10♠
Remark (Trick 5).—A finesses the ten (see pp. [93]-94).
Trick 6.