Xuanxuan Qijing Problem 84 / Attempts

White to play  

Tapir: Trying to resist... at , B0 at . If Black let white capture the four stones, he can take the corner. ( at ... and this line don't work. :/)

White to play II  

Malcolm Black plays differently:

White to play  

White wins this race.
If you want the solution, there's an sgf file referenced at XuanxuanQijing.