West therefore threw a diamond, and South led that suit.

If she threw a diamond, that suit would provide South's 12th trick.

He threw a diamond, giving up one trick, while anything else would have cost two.

He threw a diamond on the third club, and played the fourth round.

But on the third club East threw a diamond and discovered the error too late.

Then his plan was to throw a diamond from dummy and win with the king.

South won and tried another club, which revealed the bad break when West threw a diamond.

He therefore threw a diamond from the dummy and East gave up a heart.

He could win in dummy, lead the heart jack and throw a diamond.

Another club was taken by the ace, with West throwing a diamond.