Chess: Schoolboy Vincent Keymer secures shock triumph at Grenke

The 13-year-old, seeded 99th at the event in Karlsruhe, won €15,000 by scoring 8/9 to finish ahead of 49 grandmasters and more than 1,400 other players in first place

13-year-old steals the spotlight from Carlsen and co.

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GRENKE Chess 5: 14-year-old Keymer grabs 1st win

13-year-old steals the spotlight from Carlsen and co.

GRENKE Chess 5: 14-year-old Keymer grabs 1st win

Vincent Keymer, 14, gives chess great Magnus Carlsen a scare

13-year-old steals the spotlight from Carlsen and co.