Kacper Piorun
Kacper Piorun is a Polish chess grandmaster and a five-time world champion in chess problem solving.Career
In 2007 Kacper Piorun won the Polish under-16 chess championship in Łeba. In 2009 he finished third in the World Youth Chess Championship.
In 2010 he won the Rubinstein Memorial in Polanica-Zdrój. In 2013 he won the Polish Blitz Chess Championship in Bydgoszcz. In 2015 Piorun took clear first place at the 17th Open of Sants, Hostafrancs & La Bordeta in Barcelona and at the 19th Open International Bavarian Chess Championship in Bad Wiessee. He has also competed successfully in several Polish Team Chess Championships.
Piorun played for Poland in the European U18 Team Chess Championship in 2008, winning two gold medals, and 2009, winning the team silver. He took part in the 2013 European Team Chess Championship in Warsaw, playing on board 4 for Poland's second team.
Piorun is an excellent chess problems solver. In 2011 he won the individual World Chess Solving Championship in Jesi and became an International Solving Grandmaster as a result. Piorun won the world individual title also in 2014 in Berne, 2015 in Ostróda, and 2016 in Belgrade.
He won team gold with Poland at the World Chess Solving Championship in Jesi 2011, Kobe 2012, Batumi 2013, Berne 2014, Ostróda 2015,, Belgrade 2016 and Dresden 2017 events.
In March 2017 he won the Polish Chess Championship.
During the 2018 Chess Olympiad in Batumi, he defeated the thirteenth best player in the world, Hikaru Nakamura, and claimed fourth place overall with the Polish team.
