Alexander Grischuk is a Russian super grandmaster who is consistently among the world’s best players. While he’s an elite professional chess player, Grischuk is well-known for being one of the top blitz players. He’s a three-time World Blitz Champion, making him only one of two players to have multiple world titles in blitz time controls. The other player is Magnus Carlsen (with four titles), who’s widely recognized as one of the best chess players of all time. Source: Chess.com