At Mainz 2001, Adams took a win with a very good display of patient technical exploitation of blacks structural weaknesses. For me the lesson of how Adams carry's through the methodical build-up of pressure is excellent, yet an even more important lesson is how black should avoid creating unnecessary structural weaknesses in the first place.
SP811: Adams takes a win
The standout lesson for me is that Leko probably should have avoided creating a weakness on e6 at move ten with more dynamic and creative play:
A creative alternative to 10...d5