Hou Yifan is a Chinese chess grandmaster, four-time Women's World Chess Champion and the second highest rated female player of all time. Once a chess prodigy, she was the youngest female player ever to qualify for the title of grandmaster and the youngest ever to win the Women's World Chess Championship.
This text and the image thumbnail are from Wikipedia, where you can read more about the player.
You can add the player to the filter, and play puzzles based on the player's games.
A list of these puzzles is below, with the most difficult puzzles first.