She won her first world title at the age of 17.

However, he had to fight from 4-1 down to win his 11th world title.

In more than half a century no woman has ever won an open world title, and very few have come close.

With any other lead they would have lost the world title by 3.

It was not a return series for the world title.

At 26, she is trying to win her second world title, under difficult conditions.

A year later he won the world title in the same event.

After that he would go on to win the world title in 1934.

He is, for many people, the best player never to win a world title.

Two years earlier, she won the world title in the same event.