When West covered with the queen, he was permitted to win.

West covered the back door, and after several minutes of silence she came around to the front.

But when the ten was led West covered with the queen.

West covered with the queen, and was allowed to win the trick.

Without giving the matter enough thought, West covered with the queen and that was fatal.

His next move was to lead the club ten, and West routinely covered with the jack.

He then led the club jack, and this won when West did not cover.

When West covered with the king he took the ace and returned a club.

South led the heart jack, in the faint hope that West held the king and would cover.

If West had not covered the jack, there would have been a similar problem.