The Harikrishna Variation

"TomCruise" on the Internet Chess Club (GM Pentala Harikrishna) analyzed the position after White's 44th move long before it occurred in the game.

Topalov-Anand

World Championship, Game 8, May 4, 2010

After 44.h5: Black to play

Black has two moves that don't lose material immediately: 44....Be8 and 44...gxh5.  Which move would you make?

Anand found the drawing move, but went wrong later.  This position may become a classic in endgame books.