West won with the jack, and a second club lead would have made matters easy.
After South won the club lead with the ace over the king, he led a heart.
A club lead was more attractive, but would have given South some help.
At that point, he would be able to deal with a club lead.
The club lead did the job and was the only one to do it.
After a club lead to the king, East can shift to a low heart.
And he thought that South must be prepared for a club lead.
South held up once, and won the second club lead with the king.
But the club lead turned out to be the winner for a quite different reason.
A club lead scored the king when East played low.