He will then have to guess when East leads a low club.

But East put up the ace and led a low club.

East won with the queen, and led a low club.

East led the ten, covered around the table by the jack, queen and king.

East won and led a low heart to his partner's 10.

As expected, East could not lead a heart so he led a club winner.

East then led a club and South eventually lost a heart trick for down one.

East put up the king and led a low diamond.

East took the king and led a low club, an error.

East therefore led the heart queen but that was no better.