Tigran L. Petrosian won Chess.com's qualifier and earned a quarterfinal match against Magnus Carlsen in their GM Blitz Battle event. The other quarterfinals have finished, with wins by Alexander Grischuk (over Levon Aronian), Hikaru Nakamura (over Pentala Harikrishna) and Maxime Vachier-Lagrave (over Fabiano Caruana). The winner of Carlsen-Petrosian will face Grischuk in one semi-final, and the other will be Nakamura-MVL.