(Photo taken from chess-news.ru)
Korobov was definitely the hero of the day as he won the mini match against Nakamura and will be playing Kramnik in round 5. So far, those who are to play in the 5th round are: Caruana, Kramnik, Kamsky and Korobov. Pairs who are playing tie-breaks are: Tomashevsky-Morozevich, Le Quang-Svidler, Karjakin-Andreikin and Gelfand-Vachier-Lagrave. There should be a very interesting tie-break day today!