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Sipke Ernst, born in 1979,
is a Dutch chess grandmaster and FIDE Trainer.
He earned the grandmaster title in 2007 and reached his peak rating of 2606 in January 2012.
Ernst won bronze at the Dutch Championship on three occasions and finished runner-up in 2017 after a play-off.
He also represented the Netherlands at the 2002 Chess Olympiad and the 2009 European Team Chess Championship.
Today, he works primarily as a professional chess coach.
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