Unless you've been under a rock, you know that GM Hikaru Nakamura has been playing on Chess.com for a few weeks. Today his games are front and center, as he takes on all challengers while IM Danny Rensch commentates live. In this highlights section, you'll see the quickest-calculated positional queen sac in history. Really, it probably is! Then the grudge match between Naka and Rensch. Number one player in America versus number one talker on Chess.com. Let's get ready to rumble!