The most interesting game of this round was the match between the leader Magnus Carlsen and the world champion Vishy Anand. Anand won because of his cool positional play, and Carlsen lost because he engaged in a risky variation that eventually cost him the game. You can see a video of this game here:
The following are a few tactical positions in the game that you might find interesting to resolve:
White to Move and Sacrifice Two Pawns for a Kingside Attack, Carlsen-Anand
White to Move and Sacrifice a Piece: Carlsen-Anand
White to Move and Attack the King:
Carlsen-Anand
White resigns here because black has an obvious positional and material advantage after Kg1 Rxg6 Rxg6 Qxg6+
