Poland's chess-player beats world champion at Norwegian tournament

The 22-year-old Polish player defeated the leader of the FIDE ranking and the World Champion. It was Duda's first victory in this event. Koen Suyk/PAP/EPA

Polish chess-player Jan Krzysztof Duda on Saturday defeated the world champion, Magnus Carlsen, in the fifth round of the Altibox Norway Chess tournament in Stavanger, Norway, that featured the world's leading players.

The Pole put an end to Carlsen's 125-game undefeated streak in classic games.

The 22-year-old Polish player defeated the leader of the FIDE ranking and the World Champion. It was Duda's first victory in this event.

Prime Minister Mateusz Morawiecki congratulated Duda on Twitter. "What a great day for Polish sport!" he tweeted.