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Jan-Krzysztof Duda in 2021

Photo: Danuta Matloch / Ministerstwo Kultury, Dziedzictwa Narodowego i Sportu, Wikimedia Commons, CC BY 3.0 PL

FIDE World Cup Champion 2021

Jan-Krzysztof Duda

Born
26 Apr 1998
Country
Poland
Title
Grandmaster (GM)
Peak rating
2760 (Dec 2021)
Current rating
2743 (Sep 2026)
Current rank
#13 in the world

Biography

Jan-Krzysztof Duda was born on 26 April 1998 in Kraków, Poland. He earned the grandmaster title in October 2013 at 15 years and 21 days old, at the time the second-youngest Polish player ever to do so, after Dariusz Świercz. His rise continued through the junior ranks: in September 2015 he tied for first with Mikhail Antipov at the World Junior Chess Championship in Khanty-Mansiysk, taking silver on tiebreak, and on 1 July 2017 he became the first Polish junior to cross a 2700 FIDE rating, reaching 2707.

Duda's signature achievement came at the 2021 FIDE World Cup in Sochi, Russia (12 July–6 August 2021), a 206-player knockout. After beating Alexander Grischuk in a round-five rapid tiebreak and Vidit Gujrathi in the quarterfinal, he eliminated reigning World Champion Magnus Carlsen in the semifinal tiebreak before defeating former World Cup winner Sergey Karjakin 1.5–0.5 in the final to take the title — a result that also qualified him for the 2022 Candidates Tournament. Earlier that year he had already beaten Carlsen twice: in the Lindores Abbey Rapid Chess Challenge in May 2020, and in classical chess at Altibox Norway Chess on 10 October 2020, a win that ended Carlsen's 125-game unbeaten streak in classical chess.

Duda reached his peak FIDE rating of 2760 in December 2021, the highest ever recorded by a Polish player, the same month he also won the European Blitz Chess Championship in Katowice. At the 2022 Candidates Tournament in Madrid he finished seventh with 5.5/14. He remains Poland's top-ranked player and a regular for the national team at the Chess Olympiad and European Team Championship.

Key achievements

Ratings

2017 · 2707 2760 · peak (Dec 2021) 2743 · now (2026)
DateMilestoneRating
Oct 2013Awarded the grandmaster title (age 15)
Jul 2017First Polish junior to break 27002707
Dec 2021All-time peak rating — highest ever by a Pole2760
Sep 2026Current rating — #13 in the world2743

Titles

TitleYearsCount
GMGrandmaster, awarded Oct 2013 (age 15)
World Cup2021, Sochi — beat Karjakin 1.5–0.5 in the final
Polish Ch.2018 — 6½/9 (+4–0=5)
Euro Blitz2021, Katowice
Euro Rapid2014, Wrocław

Classical Tournaments

YearTournamentResult
2013First Saturday GM Tournament, Budapest1st
2015Lake Sevan round-robin, Martuni1st
2018Polish Chess Championship1st
2018Dortmund Sparkassen Chess Meeting4th (4/7)
2020Altibox Norway Chess — beat Carlsen, ending his 125-game unbeaten run
2021FIDE World Cup, Sochi1st
2022Candidates Tournament, Madrid7th (5.5/14)

Source: Wikipedia career section. Only individually verified classical (standard time control) results are listed; several rapid/blitz-only wins are omitted here.

Team Events

YearEventScore
2014Chess Olympiad, Tromsø (board 3)8½/11
2018Chess Olympiad, Batumi — 4th with Poland
2021European Team Championship — bronze with Poland

Source: Wikipedia; individual Olympiad board score cross-checked where available via olimpbase.org.