The heart king now came from West, who was permitted to win.

West led the heart king, which was allowed to win.

So most experts would lead the heart king, as West did in practice.

The obvious play was to lead to the heart king at this point.

South had to score the heart king later for down one.

He then led the heart king and West took his ace.

He hoped that West would win and have to lead from the heart king.

East won with the 10 and shifted to the heart king.

South took East's ten with his queen and led the heart king.

West has opened three hearts and led the heart king.