Challengers - players
Alexei Shirov is FIDE World Chess Championship and World Cup finalist, former World #2, and winner of many prestigious chess events.
David Antón Guijarro is 8-time Spanish champion, 2014 European silver medalist in both classical and blitz time controls and 2017 Tradewise Gibraltar runner-up.
David Paravyan is the 2016 Open Nana Alexandria Cup and 2017 Nona Gaprindashvili Cup winner, 2018 Russian Universiade silver medalist, and 2018 Russian Cup finalist.
Mateusz Bartel is 4-time Polish Champion, 2010 Chess Olympiad individual gold medalist and 2015 European Championship bronze medalist.
Jiří Štoček is a Czech chess grandmaster, 2011 Czech Chess Champion, and 2005 Rapid Chess Champion of Czech Republic.
Ju Wenjun is double Women's World Champion, 2017 and 2018 Women's World Rapid Champion, and Olympic, World Team and Asian Games gold medalist.
Jan Krejčí is a Czech chess grandmaster, 5th ranked chess player in Czech Republic, and 2017 Pardubice Open winner.
Peter Michalík is a Slovakian Grandmaster, 5-time Champion of Slovakia in youth categories, and 2017 European Blitz Chess Championship bronze medalist.
Thai Dai Van Nguyen is the youngest Czech Grandmaster, 2013 European Youth bronze medalist and winner of 2017 First Saturday Grandmaster tournament.
Praggnanandhaa is a chess prodigy, third youngest Grandmaster in history and 2013 and 2015 World Youth Chess Champion.