Russian chess champion Yuri Yeliseyev, 20, has died after apparently plunging from a balcony on the 12th floor of a Moscow apartment block.
A fellow chess grandmaster, Daniil Dubov, said Yeliseyev had been trying to reach another balcony but slipped.
Yeliseyev reportedly practised parkour, an urban challenge which involves climbing or leaping across roofs, fences or other man-made obstacles.
He became world junior chess champion in 2012 and was a grandmaster aged 17.
He won the Moscow Open 2016 chess tournament and ranked 42nd among Russian grandmasters. His world ranking was 212.
Police quoted by news website said the marks on his body pointed to his having plunged from the 12th-floor balcony on Saturday night.
“Tonight my close friend died – an outstanding chess player and analyst, one of the most talented people I know, Yura Yeliseyev,” wrote Daniil Dubov on Facebook.
“He was trying to climb from the window onto a balcony on the …