The players come from 32 countries and organizers say it's the strongest matchup attracted to the tournament within the last twenty years.
Matches will start on Tuesday at the Radisson Blu Hotel Latvija.
The top 50 match-ups from the tournament, featuring 12 grand master players, 32 international masters and 30 women's grand masters will be broadcast live, presumably on the championship's official website.
Latvia's Finance Minister Dana Reizniece-Ozola, who toppled the world's chess number one last year, won't partake in the championship, meaning Latvia's top seed will be Ilze Bērziņa, a women's grand master.
Here's the full list of participants.